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Phaser 6250 Color Laser Printer Service Manual

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2. P J145 J232 LASER UNIT i ENGINE CONTROL Scanner BOARD P J15 P J151 Motor PL12 1 1 Mis XPDATA A Y pi XPDATA B M OTS XPDATA_C_C 18 gt gt K 75 XPDATA D K GC MOAY 8 MOBM C 15 gt PC HI MO_C_C ie MOD K os 13 gt gt VL1_A_Y KC p VL1 BM C nG VLCC C wp WIDK C 5VDC 9 PC Je s al 7 5VDC Interlock gt MC SCANNER MOTOR CLOCK 424VDC 6 gt MC SOS SENSED L 3 3VDC 5 gt i lt 5 L 24VDC Aa 3 RTN gt the gt SCANNER MOTOR ON L 5VDC gt OO SG DI tc PLATE ASSY DISPENSER L PL10 1 13 PWO on pug PZ JA P J710 1 gt _ gt lmgl 61 6 CRUM DATA 3 3VDC 2 GaN GLOGk 5 2 5 3 gt 3 3VDC Ha 4 3 5VDC 4 34 3 SG 1 m 5 T 25 2 ji 6 gt gt H 1 6 1 EEPROM BOARD P J140 EEPRONIDATA P Ji44 PL10 1 14 P J145 J232 3 3VDC 7 D O re EEPROM DATA G7 8 EEPROM CLOCK 3 3 EEPROM CLOCK 86 3 Ba seine cs 5 2 3 3VDC Bs 10 gt 1 1 B4 10 22 FUSER ASSEMBLY 6250 317 Phaser 6250 Color Laser Printer Service Manual Xerographics 1 ENGINE CONTROL BOARD PL12 1 1 5VDC
3. ENGINE CONTROL BOARD PL12 1 4 P J51 svog PAZ Pile NO TONER Y L 3 3VDC ne KOY TS m 3 23 De lt 8 8 2 1 2 m TAS C 3 SENSOR NO TONER Y PL10 1 5 P J51 svoo P702 PAN NOTONER M 33yo PAM e NOINA M Cl m 22 He AM 8 9 5 at a 1 C 2 fm 4 3 m SENSOR NO TONER M PL10 1 5 P J51 svoo PATO P J12 P J42 3 gt gt K 1 NO TONER C L 3 3VDC NOTNR_C 21 D lt lt 10 2 Ng KK 2 m 1 D lt 3 m SENSOR NO TONER C PL10 1 5 P J51 svog PHO P J12 P J42 12 gt K m NO TONER K L 3 3VDC NOTNR K 24 le 7 ne 2 10 3 m SENSOR NO TONER K PL10 1 5 CRUM READER BOARD P J12 P J42 P J51 Piggag PL10 118 o7 TCRU Y SENSED L 3 3VDC 4 14 RU Y 4 TCRU M SENSED L 3 3VDC 26 Det 5 15 3 TCRU C SENSED L 3 3VDC 25 SRU K SENSED avoe ja a 28 gt lt G 8 C 3 17 1 13 5 P J34 P3411 J3411 P J341 ANT_OUT 2 sai 2 gt 1 ANT IN 1 pk 21 2 6250 314 10 19 Developer Section 2 ENGINE CONTROL BOARD PL12 1 1 10 20 MOTOR DRI
4. PEP 0929 81 S d e1 NHNL ASSY HOLN19 E paaa la lt z fm ANO INLENI vL zz DK sv ohm ec sa ca ec s Laan 1 z mie ek 18rd 018P 018d ober Olzd bef id OaAvet TI szer SZ8d 28f d 4V 9 d 9G Abat en yoouayu 0334 GIONI10S z W lt a oz Die jv ev met sa ape KK reas ng p JON TUNG 10 aa eave lt u bas T m oler J K OGAve VI veer ve8d 28f d 99 S 1d oaaret E1 HOSNAS Yoo raju 3dVd MOT l gt K oL 84 oc ev ovim ea sa jm k 6 g 2 OGAe H GASNAS IdYd MOT BAYHL Ka gt a Ka E z gt Da L 6 18rd 018P Ol8d Ober Ol d Lfd e gt 8 me Dj oane e dn TINd E28f d 28f d 7YsHd E1 HOSNIS H3dYd ON Dane et L gt E e PC 94 gt K HY t bk e K m gt OGAE e H GASNAS HIdYd ON EAVHL RK v vvi a ca fm Ka mz zz 9 18rd 018P Ol8d Ober Old Zd mc Dk Ke Di s oane e dN TINd 228f d 0228d oeesr 28f d Dane 6t z gt E o 1 gt 2 gt K v et D kK ia eram iv eivi LK v 7 OGAE 1 NO HOLIMS 23ZIS EAVHL oo gt lt z z gt t za ara zy ziv IC s E d OGAE S 1 NO HOLIMS IZIS GAVEL ant u Loe ca wan ev uvi Le 91 ad OGAE E 1 NO HOLIMS 03ZIS GAVEL 128f d 28f d resina 8rd OI8r 018d ober Olzd bef id ge ShId A21L HO LIMS 3ZIS YAdWd quvog 4303
5. 4 P J140 Baa P141 J14 P J142 13 1 3 DAK 1 2 TONER FULL SENSED H 3 3VDC KC fm 12 Bk ka 2 2 le K E 1 D o 1 D 3 7 SENSOR TONER FULL PL5 1 13 CTD SENSOR ADC ASSY P J13 P1361 J1361 piae PE3111 ADC VOUT 12 gt I ape oT 5 1 gt L 5 13 Jm 4 2 D K 4 SG Ke pa ADC MONITOR a i 15 D 2 4 gt 2 GLED 16 DE 5 hk i P J24 SDG P2361 J2361 J231 2 EvU mi 4o g 3 SG 2 3 J 2 W 2 3 2 l gt kls 2 ENV TEMP KC 3 m 1 Dk 4 1 DC 4 SENSOR HUM TEMP PL3 2 2 6250 318 10 23 Xerographics 2 ENGINE CONTROL BOARD PL12 1 1 Interlock Sub HVPS 24VDC PL10 1 15 A P J13 ASANG P J5011 22 gt an AG 11 3 0V_REF 24 NG gt lt 9 25 HV_REF_BTR_P j 26 ai alc 7 HV REF BTR M 27 HV REF DTS PC 6 28 gt gt C 5 BTR_P ON L 24VDC 29 X ric 4 pi BTR M ON L 24VDC se 3 J A ap 32 De Sahai cl 1 P J702 IDT2 1 AR 1 P5030 1 P J5020 Pao IDT2 CLEANER 1D P J701 Hang 1D gian IDT1 CLEANER 1 Dj P J805 RFB 1 P J804 3g HTC o 1 wo z pu TRANSFER ROLLER PL8 1 12
6. gt K ia ca WK iy cv M aal vz C m C pm 2a1e 6 1 4dO ON I8r d 018P 0l18d OZF Ol d Laid kc ov uvi lt lt va org aE t gt _ lt ev Ziv i 6 1 9 alll a C I8r d 018P Ol8d oler Obed Le id Y ane et DeK Jere ta mi ie K lew tv mo HK 9g gt _ lt iy riy lt lt lt 19 call lt r L gt _ lt zig za W C iziv zy M E gz gt _ lt zy civi lt lt za zia Saba Kja ee m m OGAre VI ler d sor Ol8d oer Ol d Led OaAve pajul DiecClev ev mkt leva ae Ta LOWHG4 va 9 gt AX HOI 9 lonuo9 gt lt joia va Mi lt _ CJ olv wale mg TS ez s gt s 100W See 6a sa eI ey vie dl 4X a4 Jepee4 YX Hd4 NA quad Dj 39 99 M lt C 8v ov Mg C IZ L Y Ha L gt lt 29 Za lt ev wv lt a O oz 7 D v Led 018r OL8d Olgr Olzd Kard 6 I OaAvret VI p DA AbZ VI Lele 78f d SG 9 1d FTONIS ASSY INYO 430334 00 19ju 9 61 1d Guvod 30334 HIMOT FEZ d GHvod TOYULNOOD 3INI9N3 Phaser 6250 Color Laser Printer Service Manual 10 32 Paper Tray 3
7. 81 Engine Communication Failure 83 Engine NVRAM Failure 86 Cyan Toner Cartridge Failure 87 Magenta Toner Cartridge Failure 88 Yellow Toner Cartridge Failure 89 Black Toner Cartridge Failure 90 Replace Cyan Toner Cartridge 91 Replace Magenta Toner Cartridge 92 Replace Yellow Toner Cartridge 93 Replace Black Toner Cartridge 94 Non Phaser 6250 Fuser 95 Non Xerox Imaging Unit 96 Replace Non Xerox Cyan Toner Cartridge 97 Replace Non Xerox Magenta Toner Cartridge 98 Replace Non Xerox Yellow Toner Cartridge 99 Replace Non Xerox Black Toner Cartridge 102 Environment Sensor Failure 150 Close Front Door 151 Dusty Density Sensor 152 Jam at Fuser 153 Jam at Duplex 154 Jam at Registration Roller 155 Misfeed at Tray 1 MPT 156 Misfeed at Tray 2 157 Misfeed at Tray 3 158 Misfeed at Tray 4 159 Insert Tray 2 160 Insert Tray 3 161 Insert Tray 4 162 Out of paper Load Tray 1 MPT with size type 163 Out of paper Load Tray 2 with size type 164 Out of paper Load Tray 3 with size type 165 Out of paper Load Tray 4 with size type 166 Wrong paper size Load Tray 1 MPT with size type 167 Wrong paper size Load Tray 2 with size type 168 Wrong paper size Load Tray 3 with size type 169 Wrong paper size Load Tray 4 with size type 170 Wrong paper type Load Tray 1 MPT
8. ID No Part Number Qty Name Description 1 116 1622 00 1 Circuit Board Lower Feeder 2 116 1519 00 1 Assembly OPT Feeder Plug 3 116 1623 00 1 Assembly Harness Tray 3 4 116 1521 00 1 Assembly Harness Tray 4 5 116 1624 00 1 Assembly Drive Feeder 6 1 Gear Idler NS part of PL 3 3 99 7 116 1354 00 2 Sensor No Paper Low Paper 1 per order 8 116 1524 00 2 Lever Low Paper 1 per order 9 116 1525 00 Assembly Indicator 10 116 1526 00 Assembly Harness NPRSJ Parts List 9 43 Optional 500 sheet Feeder PL 15 1 Paper Tray 3 V 1 with 2 7 PL 15 1 Tray 3 Univeral Paper Service Parts List Table ID No Part Number Qty Name Description 1 116 1378 00 1 Universal Paper Tray with 2 6 2 116 1331 00 2 Paper Feed Roller Kit 2 interchangeable rollers per order 3 116 1332 00 1 Assembly Friction Clutch 4 1 Holder Retard NS 5 116 1632 00 1 Spring Retard 6 Bs 116 1490 00 Chute Guide Cover 9 44 Phaser 6250 Color Laser Printer Service Manual PL 15 2 500 sheet Feeder Covers 6250 427 PL 15 2 500 sheet Feeder Covers Service Parts List Table ID No Part Number Qty Name Description 1 1 Cover Left NS 2 1 Cover Right NS 3 1 Indicator Paper 1per order NS 4 2 Cover Front 1 per order NS 5 116 1626 00 4 Kit Feet 4 Feet and 4
9. PAPER FEEDER F 3 a J TIYAN CLUTCH TURN 4 GEAR MSI IDT2 I I Il 4 ROLL TURN ROLL ASSY FEED IDT1 2 I eae ME HOUSING ASSY RETARD HUTE ASSY OUT HOUSING ASS 1 CHUTEASSYOUT sane IMAGING UNIT TRANSFER ROLLER 6250 047 Theory of Operation 2 17 Gear Layout Print Engine and Tray 1 The drawing below shows the location of the various components specified in the Transmission Route Block Diagram on the preceding page xm Retard Housing Tray 1 Gear Registration Chute Assembly Registration Clutch Transfer Roller Chute Assembly Out Imaging Unit a AG Mm amp NG Main Drive Assembly 2 18 10 Gear Feed 1 12 13 14 15 16 11 6250 052 Turn Clutch Assembly Gear ldler Feed Gear Feed H1 Paper Pick Assembly Tray Gear Idler Gear Idler In Turn Clutch Phaser 6250 Color Laser Printer Service Manual Paper Tray 2 6250 055 1 Paper Retard Feed Roller The paper retard feed roller prevents more than 1 sheet at a time from printing The paper feed retard roller and the paper feed nudge roller are interchangeable parts in all trays 2 Side Guides Right and Left The side guides move against media to align or register the width of print media in the paper feed direction 3 Rear Guide The rear guide moves to determine the length of print media in the paper feed direction The paper
10. Steps Actions and Questions Yes No 1 Check the Fuser Assembly for evidence Replace the parts Go to Step 2 of fault or damage concerned 2 Remove the Fuser Assembly and check Replace the parts Go to Step 3 for broken or bent pins concerned 3 Does the error recur after the Fuser Go to Step 4 Complete Assembly has been replaced with a new one 4 Replace the Low Voltage Power Supply Go to Step 5 Complete page 8 99 Does the error recur after the LVPS has been replaced 5 Troubleshoot using the wiring diagram Complete Go to Step 6 Fuser Assembly on page 10 21 Does the printer function correctly after replacing any defective parts 6 Verify the voltage of P J61 4 on the Motor Replace the Go to Step 7 Driver Board is 2 8 VDC LVNC3 Harness Assembly PL 13 1 1 7 Verify the voltage of P J42 11 on the Replace the Motor Go to Step 8 Motor Driver Board is 2 8 VDC Driver Board page 8 101 8 Verify the voltage of P J12 20 on the Replace the Replace Front 1A Engine Control Board is 2 8 VDC Engine Control Board page 8 107 Harness Assembly PL 13 1 7 Error Messages and Codes 3 71 Fuser Failure cont d Fuser CRUM Failure Code 45 CRUM data revise failure Code 46 CRUM setting value failure Code 47 This is the generic fuser code displayed when the printer cannot generate a specific error This error code can represent any fuser error code from 40 through 46 In this in
11. 6250 229 Service Parts Disassembly 6 99 6250 230 Replacement Notes Note The self tapping screw goes in the upper left corner of the LVPS 8 100 Phaser 6250 Color Laser Printer Service Manual Motor Driver Board PL 12 1 12 Remove the Top Main Cover page 8 9 Remove the Front Right Cover page 8 15 Remove the Right Cover page 8 11 Disconnect all the connectors on the Motor Driver Board a fF Q N Remove the 4 screws securing the Motor Driver Board to the printer and remove the board 6250 232 Service Parts Disassembly 8 101 Rear Fan PL 12 1 2 1 Remove the Cover Rear page 8 12 2 Disconnect P J166 from the Low Voltage Power Supply board 3 Carefully shift the harness out of the 4 hooks on the Toner Cartridge Holder Assembly 4 Remove the 2 screws securing the Rear Fan to the printer and remove the fan Replacement Notes Note When replacing the fan note the airflow direction the label side should face out LEFT 6250 228 8 102 Phaser 6250 Color Laser Printer Service Manual Card Cage Note You do not need to remove the Laser Unit Caution Remove the Chute Assembly Registration and the Housing Assembly Bias PRIOR to removing the Card Cage to prevent damaging the Bias Springs Remove the Chute Assembly Registration page 8 71 Remove the Housing Assembly Bias page 8 69 Disconnect P J151 from the Las
12. Detack IMAGING UNIT PL9 1 3 6250 319 10 24 Phaser 6250 Color Laser Printer Service Manual Paper Feed ENGINE CONTROL BOARD PL12 1 1 3 3VDC i P J13 E T P139 J139 P J133 l3 43 199 tai Er Jm 101 51 3 m 10 2 C 2 fm DUP JAM SENSED L 3 3VDC Sk te o 3 DeK m 3 3VDC DUP JAM SENSOR PL6 1 4 P J13 KATE P139 J139 P J134 3 ST 38 Ha 5K 3 5 i 8 8 FULL STACK SENSED H 3 3VDC 3 py Hr 6 ce I1 E 3 3VDC FULL STACK SENSOR PL6 1 4 P J13 RE P139 J139 P J135 HO 2 gt SG Jm 5 7 DK 2 m 2 MSI NO PAPER SENSED H 3 3VDC toe KC 2 fm gt Hs 3 9 1 km TRAY 1 NO PAPER SENSOR Interlock PL6 1 4 24VDC 1 P J13 aoaiee P139 J139 P132 J132 10 gt SFE SOL ONE 24VDC Am 2 10 gt mei gt 43 3VDC gt Ly mit gt rm TRAY 1 FEED P J18 UESC P J181 SOLENOID 0 gt lt 3 m PL6 1 40 SG c2 hm REGI SENSOR REGI PAPER SENSED L 3 3VDC PL9 1 8 gt K 1 Interlock 24VDC CHUTE REGI ASSY A P J18 PL9 1 7 VL 24VDC s REGI CLUTCH ON L 24VDC Regi Clutch Interlock 24VDC g VL 24VDC TESS CLUTCH TURN MSI TURN CLUTCH ON L 24VDC TRAY 1 PL
13. 6250 270 Service Parts Disassembly 8 113 Tray 3 Harness Assembly PL14 5 3 Tray 4 Harness Assembly PL14 5 4 and HCF Plug Harness Assembly PL14 5 2 1 Remove both Paper Trays from the HCF Assembly 2 Remove the Front Covers page 8 111 3 Remove the Cover Right page 8 112 Z 6250 272 8 114 Phaser 6250 Color Laser Printer Service Manual Harness Assembly Tray 3 1 Disconnect P J82 gray from the HCF Circuit Board 2 Remove the Harness Assembly Tray 3 Harness Assembly Tray 4 1 Disconnect P J83 blue from the Power Feeder Circuit Board and remove the Harness Assembly Tray 4 Harness Assembly Feeder Plug Note The wide slot in the middle of the plug faces outward The tabs on the bottom of J810 can be easily damaged during the removal process 1 Disconnect P J81 yellow from the Power Feeder Circuit Board 2 Remove J810 by lifting out of the hole in the top of the HCF frame 3 Lift the entire Harness Assembly Feeder Plug through the hole in the top of the HCF frame Service Parts Disassembly 8 115 Circuit Board HCF PL14 5 1 Remove both Paper Trays from the HCF Remove the Front Covers page 8 111 Remove the Cover Right page 8 112 Disconnect P J81 from the Harness Feeder Plug Assembly Disconnect P J82 from the Harness Assembly Tray 3 Disconnect P J83 from the Harness Assembly Tray 4 Disconnect P J84 from the Drive Assembly O N
14. Applicable Parts Wiring and Plug Jack Map References Toner Low Sensor PL 10 1 5 Developer Section 1 on page 10 19 Motor Driver Board PL 12 1 14 Drive Section on page 10 18 Toner Cartridge Holder Assembly PL 10 1 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Verify replacement of the Toner Cartridge Go to Step 2 Complete for the problem color Does the error recur after the toner cartridge is replaced 3 50 Phaser 6250 Color Laser Printer Service Manual Troubleshooting Procedure Table Continued Steps Actions and Questions Yes No 2 Use service diagnostics to test the Toner Go to Step 3 Complete Low Sensor If the test fails check the sensor connector if the connector is ok replace the Toner Low Sensor for the problem color Does the error recur 3 Use service diagnostics to test the Toner Check the toner Go to Step 4 Motor stirring auger or Caution Run this test for ONLY 5 gear for damage seconds to avoid packing the toner Does the Toner Motor function correctly 4 Replace the Toner Motor Complete Go to Step 5 Does this fix the problem 5 Verify the auger tube of the problem color Go to Step 6 Inspect the toner is full of toner near the hopper end cartridge for dispense problems 6 Verify that the voltage between P J 51 21 Go to Step 7 Replace the Motor lt gt P J 60 2 on the Motor Driver Board is Driver Board
15. 6250 309 10 9 High Capacity Feeder Plug Jack Locator Table P J No Connect to Other end connected to 81 Circuit Board Lower Feeder Assembly Harness HCF PLUG 82 Circuit Board Lower Feeder Tray 3 Harness Assembly 83 Circuit Board Lower Feeder Tray 4 Harness Assembly 84 Circuit Board Lower Feeder Assembly HCF Motor Harness 810 Assembly Harness HCF Main Circuit Board HCF 821 Switch Paper Size T3 Tray 3 Harness Assembly 822 Sensor No Paper T3 Tray 3 Harness Assembly 823 Sensor Low Paper T3 Tray 3 Harness Assembly 824 Solenoid Feed Tray 3 Circuit Board HCF 825 Assembly Clutch Turn T3 Circuit Board HCF 831 Switch Paper Size T4 Tray 4 Harness Assembly 832 Sensor No Paper Tray 4 Tray 4 Harness Assembly 833 Sensor Low Paper T4 Tray 4 Harness Assembly 834 Solenoid Feed Tray 4 Circuit Board Lower Feeder 835 Assembly Clutch Turn T4 Circuit Board Lower Feeder 8220 Assembly Harness No Paper Circuit Board Lower Feeder Sensor 8220 Assembly Harness No Paper Circuit Board Lower Feeder Sensor 10 10 Phaser 6250 Color Laser Printer Service Manual Map 5 81 822 824 8220 810 832 6250 487 10 11 500 sheet Feeder Plug Jack Locator Table P J No Connect to Other end connected to 81 Circuit Board Lower Feeder Assembly Harness STF PLUG 82 Circuit Board Lower
16. CHUTE ASSY OUT 1 Chute Assy Out 4 Gear 40 42 2 Chute Assy Exit 5 Gear Roll 3 Gear 48 6 Gear Roll Theory of Operation 6250 050 ram gt 6250 066 7 Motor Duplex 10 Gear 42 8 Gear 48 9 Gear 40 42 11 Gear 30 2 31 Chute Assembly Registration REGI 5 6250 496 1 Registration Roller Rubber Receives drive energy from the main drive assembly through the registration clutch Works with the registration metal roller to correct media skew and transport the media from paper tray 1 or 2 2 Registration Roller Metal Works in conjuction with the rubber roller When the leading edge of the paper arrives at the registration rubber roller metal roller the rollers are not turning and the paper buckles against the rollers to correct any skew at the leading edge 3 OHP Transparency Sensor Paper reflects radiated light and the OHP sensor can sense reflected light and identify the print media as paper If the OHP sensor cannot sense reflected light it identifies the print media as OHP transparency 4 Registration Sensor Detects the when the print media leading edge has reached the Registration Chute 5 Registration Clutch Transmits the drive from the main drive assembly to the registration rollers once media skew has been corrected 2 32 Phaser 6250 Color Laser Printer Service Manual Transfer Roller and Fuser Assembly Stan W7 6250 061 1 Fuser Assembl
17. Bearing NS Assembly Duplex Motor NS CAN DB BB 3T Gear 42 NS ah gg Gear 40 42 NS _ Gear 48 NS pas na Grommet NS part of PL 7 1 99 ah brad Sleeve NS part of PL 7 1 99 116 1596 00 Kit Bushing with12 qty 3 13 qty 3 Parts List 9 23 PL 8 1 Transfer Roller amp Fuser Assembly RMIs P4 Ty a J LAG 4 My TLA LE SS Wa A 6250 295 9 24 Phaser 6250 Color Laser Printer Service Manual PL 8 1 Transfer Roller and Fuser Service Parts List Table ID No Part Number Qty Name Description i la 115R00029 1 110 V Fuser Phaser 6250 with 7 and 8 1b 115R00030 1 220 V Fuser Phaser 6250 with 7 and 8 T 116 1447 00 1 Actuator Exit 8 116 1448 00 1 Actuator Spring 10 cee nee 11 12 108R00592 1 Transfer Roller BTR 13 116 1449 00 1 Strap 14 116 1528 00 2 E Ring part of E Ring Kit 15 116 1450 00 2 Shaft Pivot 1 per order Parts List 9 25 PL 9 1 Xerographics V 6 with 7 10 and 12 EX Us ae QS i 332 V99 with 9 and 10 6250 296 9 26 Phaser 6250 Color Laser Printer Service Manual PL 9 1 Xerographics Service Parts List Table ID No Part Number Qty Name Description 1 116 15
18. _ Spring Retard 370 NS mb na Cap Retard NS pos Y Bearing Ground NS Parts List 9 15 PL 5 1 Chute Assembly In 35030 4 V 1 with 2 30 3 2 Yo 5020 YX ka ba 23 ba YM a Ke 6250 292 9 16 Phaser 6250 Color Laser Printer Service Manual PL 5 1 Chute Assembly In Service Parts List Table ID No Part Number Qty Name Description 1 116 1493 00 1 Chute Assembly In with 2 30 2 116 1381 00 1 Assembly Wiring 2nd BTR J5020 Transfer Roller 3 116 1382 00 1 Spring 2nd BTR 4 116 1383 00 1 Shaft BTR IN 5 116 1384 00 1 Assembly Wire Disk J5030 6 116 1385 00 1 Spring DTC 7 116 1386 00 1 Stud 2nd BTR 8 116 1387 00 1 Spring Holder BTR 9 116 1575 00 1 Assembly Harness Fuser FSR 4 J232 J233 J162 J138 J145 J2362 10 116 1390 00 1 Assembly Harness CTD ADC 11 116 1391 00 1 Assembly Sensor CTD ADC 12 116 1392 00 1 Spring ADC 13 116 1393 00 1 Sensor Toner Full 14 116 1394 00 1 Assembly Harness Toner Full SNS 15 116 1395 00 1 Spring IDT 16 116 1396 00 1 Stud IDT 17 116 1397 00 1 Holder IDT 18 116 1588 00 1 Assembly Drive Fuser 19 116 1399 00 1 Spring BTR 20 116 1400 00 1 Wire Assembly FSR Earth GRND 21 116 1401 00 1 Right Latch 22 116 1402 00 1 Spring Latch 23 1 Shaft Latch NS 2
19. Paper Tray 4 on page 10 30 Paper Tray 3 on page 10 29 or page 10 33 and Troublshooting Procedure Table Steps Actions and Questions Yes No 1 Check the following for evidence of fault or Replace the Go to Step 2 damage parts Paper Size Switch Tray 3 4 PL 14 3 6 or 15 3 6 concerned Actuators on the right side of the Tray 2 Use service diagnostics to test the Tray 3 4 Replace Engine Go to Step 4 Paper Size Switches Use the table below for Control Board reference page 8 107 Do the switches function correctly 3 Does the printer function correctly after replacing Complete Go to Step 4 the Engine Control Board 4 Verify the pertinent Tray 3 voltages on pins Go to Step 5 Replace the P J82 1 lt gt P J47 3 Paper Size P J82 2 lt gt P J47 3 Switch P J82 4 lt gt P J47 3 page 8 128 or Or Tray 4 voltages on pins page 8 146 P J83 1 lt gt P J47 3 P J83 2 lt gt P J47 3 P J83 4 lt gt P J47 3 of the Lower Feeder Circuit Board PL 14 5 1 or 15 5 1 correspond to the paper size switch position chart below Error Messages and Codes 3 65 Troublshooting Procedure Table Continued Steps Actions and Questions Yes No 5 Verify the pertinent Tray 3 voltages on pins Go to Step 6 Replace the P J81 11 lt gt P J47 23 Circuit Board P J81 12 lt gt P J47 23 Lower Feeder P J81 13 lt gt P J47 23 page 8 116
20. 6250 278 Service Parts Disassembly 8 123 Link Actuator PL 14 4 6 1 Remove both Paper Trays from the HCF 2 Remove the paper tray Rear Cover 3 Reach in through the rear of the printer and spread the tabs of the Link Actuator apart 4 Remove the link actuator from the bracket in the printer 5 Remove the actuator Note When replacing positon the Actuator so that the wider portion is on the right side viewe from the front Replace it after passing the tip of the Link Actuator into the hole in the HCF frame 6250 279 8 124 Phaser 6250 Color Laser Printer Service Manual HCF Paper Pick Assembly PL14 4 1 1 Remove the Right and Left Tray Guide Assemblies page 8 119 and page 8 122 2 Remove the Link Actuator page 8 124 3 Remove the 2 screws securing the Paper Pick Assembly to the right side of the HCF frame 4 Release 2 tabs on the Paper Pick Assembly from the 2 slits and window on the left side of the HCF frame 5 Disconnect P J824 P J8220 and P J825 6 Remove the Paper Pick Assembly through the window Note When removing or replacing the the screws be careful not to damage the Gear or Spring with the screwdriver When passing the Paper Pick Assembly through the window be careful not to damage the rubber parts 6250 280 Service Parts Disassembly 8 125 Idler Gear PL14 5 6 1 Remove the Tray 4 Guide Assembly Right and
21. Service Parts Disassembly 8 23 Temperature Humidity Harness PL3 2 1 and Sensor PL3 2 2 Remove the Top Main Cover page 8 9 Remove the Left Side Cover page 8 11 Disconnect P J2361 gray from the printer A Q N Remove the screw securing the Temperature Humidity Sensor item 1 and remove the sensor P J2361 6250 142 Replacement Notes Note Seat the sensor onto the Guide Pins with needle nose pliers then re insert the screw Reconnect connector P J2361 8 24 Phaser 6250 Color Laser Printer Service Manual High Capacity Feeder Harness PL3 2 3 1 Remove the Printer Chassis from the Feeder Assembly page 8 20 2 Carefully free the HCF Harness item 1 from the wire guides in the Right Housing 3 Release the 2 tabs securing the harness connector to the Right Housing 4 Pull the HCF Harness down from the Right Housing to remove Service Parts Disassembly 8 25 Paper Size Switch Assembly PL3 2 4 1 Remove the Printer Chassis from the Paper Feeder Assembly page 8 20 2 Discomnect P J471 from the Paper Size Switch item 1 3 Remove 1 screw securing the Paper Size Switch to the Right Housing 4 Rotate the front of the Paper Size Switch to free the tab and remove g 1 T 6250 144 8 26 Phaser 6250 Color Laser Printer Service Manual Low Paper Lever PL3 2 7 Indicator PL3 2 8 and Indicator
22. This page consists of four 25 tint primary color bands Analyzing the Test Print m Repeating defects m Missing Color s m Streaks m Voids m Banding S6200 222 5 4 Phaser 6250 Color Laser Printer Service Manual Test Print 2 RGB Test Print This page consists of 80 solid fill in RGBK Bands Analyzing the Test Print m Wrinkling m Creases m Roller marks m Scratches m Cold Offset Print Quality Troubleshooting 6200 224 5 5 Service Test Prints Test Print 3 Test Pattern Sample 6 5 T P6250 2400 x 600dpi P6250 2400 x 600dpi ABCDEFGHI JKLMNOPQR Y amp Z 6250 498 Analyzing the Test Print 1 Color Registration Horizontal The colored lines should match up as shown below Perform the color registration procedure See Horizontal and Vertical Color Registration on page 6 3 Good Good Bad 6250 501 5 6 Phaser 6250 Color Laser Printer Service Manual 2 Color Registration Vertical The colored lines should match up as shown below Vertical printing issues are corrected automatically when the Color Registration page is printed Good Good Bad 6250 502 3 Uniform RGB The secondary color squares should be uniformly colored with no mottling 4 Density The color bars should have even density from top to bottom 5 Margins Should be 8 mm from the edge of the paper to the line 6 Image Size the image height s
23. AC Switch Harness Assembly PL 12 1 11 1 Remove the Top Main Cover page 8 9 2 Remove the Right Cover page 8 11 3 Remove the screw securing the ground wire to the LVPS item 1 4 Release the tabs securing the harness cable guide item 2 to the AC Switch bracket and move aside 5 Disconnect P J161 from the LVPS 6 Press in on the tabs and push the AC connector to the rear then to the side through the notch in the chassis 7 Press in on the tabs and remove the Harness Assembly AC Switch item 3 from the printer 6250 231 8 98 Phaser 6250 Color Laser Printer Service Manual Low Voltage Power Supply PL 12 1 10 1 Remove the Imaging Unit Routine Maintenance Item and protect it from exposure to light 2 Remove the Top Main Cover page 8 9 3 Remove the Right and Left Side Covers page 8 11 4 Remove the Rear Cover page 8 12 Note Reinstall the toner cartridges to seal the toner system and prevent spillage 5 Remove 4 screws above the LVPS securing the Toner Cartridge Holder Assembly 6 Lift the Toner Cartridge Holder off the aligning tabs and move out of the way Disconnect P J162 P J163 P J164 P J165 P J166 and P J168 from the Low Voltage Power Supply Board mg Note P J167 and P J168 are not used 8 Remove the 3 screws securing the LVPS to the printer and remove the Low Voltage Power Supply 9 Remove the Harness Assembly AC Switch page 8 98
24. Does the printer function correctly after replacing any defective parts 3 62 Phaser 6250 Color Laser Printer Service Manual Wrong Paper Size Load Tray 2 with size type Note Remove Tray 2 and inspect the tray cavity of the printer to ensure that it is free of obstructions or debris Ensure that the tray is loaded with supported media Ensure that the media guides are properly adjusted Reinstall the tray Cycle printer power If the problem persists follow the procedure below This is a media SIZE mismatch error Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Paper Size Switch Assembly PL 3 2 4 Paper Tray 2 on page 10 17 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the following for evidence of fault Replace the parts Go to Step 2 or damage concerned Paper Size Switch Tray 2 PL 3 2 4 Actuators on the right side of Tray 2 2 Use service diagnostics to test the Tray Replace Engine Go to Step 4 2 Paper Size Switches Use the table Control Board below for reference page 8 107 Do the switches function correctly 3 Does the printer function correctly after Complete Go to Step 4 replacing the Engine Control Board 4 Verify the pertinent voltages on pins Go to Step 5 Replace the Paper P J47 1 lt gt PA 47 3 P J47 2 lt gt P J47 3 P J47 4 lt gt P J47 3 Correspo
25. In the following procedures diagnose the part that correlates directly to the Tray receiving the error Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Low Paper Sensor PL 14 5 7 or PL 15 5 7 Paper Tray 3 on page 10 29 or page 10 33 Low Paper Lever PL 14 5 8 or PL 15 5 8 Paper Tray 4 on page 10 30 Troubleshooting Procedures Table Steps Actions and Questions Yes No 1 Fill the tray with paper Go to Step 2 Complete Does the error occur if the tray is full 2 Check the following for evidence of faultor Replace the parts Go to Step 3 damage concerned Low Paper Sensor PL 14 5 7 or 15 5 7 Low Paper Lever PL 14 5 8 or 15 5 8 3 Use service diagnostics to test the Replace the Go to Step 4 Tray 3 4 Low Paper Sensor Engine Control Do the sensor and actuator function Board properly page 8 107 4 Does the printer function correctly after Complete Go to Step 5 replacing the Circuit Board Lower Feeder 5 Troubleshoot using the Paper Tray 3 4 Complete Replace the wiring diagrams Engine Control Does the printer function correctly after Board replacing any defective parts page 8 107 3 60 Phaser 6250 Color Laser Printer Service Manual Out of Paper Load Tray 1 MPT with size type Remove Tray 1 and inspect the tray cavity of the printer to ensure that it is free of obstructions or debris Ensure that the
26. Normal 0 C to 35 C 32 F to 95 F Severe 20 C to 40 C 4 F to 104 F Humidity Optimal print quality range 35 to 70 Operating 10 85 Transportation 30 85 Storage 5 95 Altitude Operating 0 2 500 meters 8 000 ft Transportation 0 6 092 meters 20 000 ft Acoustic Noise Idle Printing Printer Only With Feeder Option 35 0db or less 35 0db or less 55 0db or less Full Speed 55 0db or less Full Speed 52 0db or less Half Speed 53 0db or less Half Speed General Information 1 13 Media and Tray Specifications Specification Trays Printable Minimum margins 5 mm 0 2 in on all sides All Trays Area Maximum paper size 215 9 mm x 355 6 mm 8 5 in x 14 in Minimum paper size 88 9 mm x 139 7 mm 3 5 in x 5 5 in Supported Paper Type Size Media Sizes Letter 8 5 x 11 in All Trays Legal 8 5 x 14 in All Trays Executive 7 25 x 10 5 in All Trays Statement 5 5 x 8 5 in Tray 1 Only US Folio 8 5 x 13 in All Trays A4 210 x 297 mm All Trays A5 148 x210 mm Tray 1 Only A6 105 x 148 mm Tray 1 Only B5 JIS 182 x257 mm All Trays ISO B5 176 x250 mm Tray 1 Only Custom Size amp Banner 8 5 x 22 86 in Tray 1 Only Supported Type Weight Media Types Plain Paper 64 90 g m2 17 24 Ib Bond All Trays and Weights Heavy Plain Paper 85 130 g m2 22 28 Ib Bond All Trays Phaser 25 Series Premium Transparency Film Only Tray 1 amp 2 Thin Card Stock 100 163
27. Phaser 25 Series Premium Transparency 016 1949 00 Film A4 210 x 297mm 50 Sheets Phaser Premium Greeting Cards w 016 1987 00 Envelopes A 50 sheets Phaser Premium Greeting Cards w 016 1988 00 Envelopes A4 50 sheets Phaser Digital Photo Paper A 50 Sheets 016 2009 00 9 54 Phaser 6250 Color Laser Printer Service Manual Phaser Media Continued Description Part Number Phaser Digital Photo Paper A4 50 Sheets 016 2010 00 Phaser Premium Postcards Letter 8 5 x 11 103R01016 in 100 Sheets Phaser Premium Postcards A4 210 x 103R01017 297mm 100 Sheets Phaser Glossy Trifold Brochure Letter 8 5 103R01018 x 11 in 100 Sheets Phaser Glossy Trifold Brochure A4 103R01019 210 x 297mm 100 Sheets Phaser Weatherproof Paper Letter 103R01020 8 5 x 11 in 150 Sheets Phaser Weatherproof Paper A4 103R01021 210 x 297mm 150 Sheets Parts List 9 55 9 56 Phaser 6250 Color Laser Printer Service Manual Wiring Diagrams In this chapter m Plug Jack Locator Maps m Print Engine Wiring Diagrams m Printer Options Wiring Diagrams Chapter 10 Plug Jack Locator Maps Use the table and maps in this section to locate specific Plug Jack P J connectors within the printer To find the location of a P J within the printer 1 Locate the P J connector number in the first column of the P J Location table 2 Locate the corresponding map and location number such as
28. are trademarks of Xerox Corporation in the United States and or other countries Acrobat Adobe Reader Adobe Type Manager ATM Illustrator PageMaker Photoshop PostScript Adobe Brilliant Screens Adobe Garamond Adobe Jenson Birch Carta IntelliSelect Mythos Quake and Tekton are trademarks of Adobe Systems Incorporated in the United States and or other countries Apple AppleTalk Bonjour EtherTalk LaserWriter LocalTalk Macintosh Mac OS TrueType Apple Chancery Chicago Geneva Monaco New York and QuickDraw are trademarks of Apple Computer Inc in the United States and or other countries HP GL HP UX and PCL are trademarks of Hewlett Packard Corporation in the United States and or other countries IBM and AIX are trademarks of International Business Machines Corporation in the United States and or other countries Windows Vista Windows Server and Wingdings are trademarks of Microsoft Corporation in the United States and or other countries Novell NetWare NDPS NDS Novell Directory Services IPX and Novell Distributed Print Services are trademarks of Novell Incorporated in the United States and or other countries SunSM Sun Microsystems and Solaris are trademarks of Sun Microsystems Incorporated in the United States and or other countries SWOPO is a trademark of SWOP Inc UNIX is a trademark in t
29. on page 10 25 Board 1A PL 13 1 7 page 8 107 7 If possible print 1 sheet of paper in Replace the Chute Go to Step 8 Duplex Mode and check to see if the Assembly Exit sheet has reversed in the printer page 8 62 Error Messages and Codes 3 21 Troubleshooting Procedure Table Continued Steps Actions and Questions Yes No 8 Use service diagnostics to test the Duplex Replace the Chute Go to Step 9 Motor Assembly Exit Actuate the Interlock Switch during the page 8 62 test 9 Verify the voltage between Go to Step 10 Replace the P 50 1 lt gt P 60 2 on the Motor Driver Motor Driver Board is 24 VDC Board page 8 101 10 Check J 131 lt gt J 50 on the Duplex Got to Step 11 Replace the Harness for continuity Duplex Harness See Drive Section on page 10 18 Assembly PL 6 1 23 11 Does the error recur after replacing the Go to Step 12 Complete Duplex Motor 12 Check J 12 lt gt J 42 pins on the DRV2 Replace the Replace the Harness for continuity Engine Control Assembly See Drive Section on page 10 18 Board page 8 107 Harness DRV2 2 PL 13 1 3 3 22 Phaser 6250 Color Laser Printer Service Manual Jam at Registration A Jam at Registration message may indicate a dirty or blocked paper path or the failure of one or more components resulting in jams in the Registration Chute Assembly PL9 1 6 or it s proximity Due to the short paper path this
30. 1 Image Processor Board no configuration chip no memory no NVRAM no Hard Drive 4a 163 1459 00 IC Memory NVRAM Configuration Chip i button 4b 163 1500 00 IC Base Configuration Chip 163 1501 00 IC Network Configuration Upgrade Chip 163 1502 00 IC DP DX Configuration Upgrade Chip 4c Memory 156 4838 00 64 MB 8M x 64 PC 133 Memory DIMM 156 4837 00 128 MB 16M x 64 PC133 Memory DIMM 156 4663 00 256 MB 32M x 64 PC 133 Memory DIMM 4d 650 4281 00 Internal Hard Drive Phaser 6250 Service Part 5 1 Plate Rear Image Processor Board NS 6 2 Spring Ground Image Processor Board NS 7 1 Guide Right Engine Control Board NS 8 1 Guide Left Engine Control Board NS 9 saya Song 10a 116 1613 00 1 Low Voltage Power Supply 110 V 10b 116 1614 00 1 Low Voltage Power Supply 220 V 11 116 1496 00 1 Assembly Harness AC Switch 12 116 1615 00 1 Circuit Board Motor Driver 13 14 116 1498 00 1 Housing Assembly Contact Parts List 9 33 PL 13 1 Harness Assemblies P34 pia P38 P149 p311 PL12 1 10 PL12 1 12 PL12 1 1 J61 41 P210 J165 2 8 ina NA 342 gt ca 3 9 u12 J164 J168 J22 4 p71 144 J311 151 P141 10 5 dinaig P2361 X P2362 J60 12 P3411 6 324 J163 P139 P1361 51 3 13 7 ina M 35011 ng 6250 299 9 34 Phaser 6250 Color Laser Printer Service Manual PL 13 1 Harness Assemblies Service Pa
31. 106R00674 1 Yellow Toner Cartridge High Capacity 8 106R00669 1 Magenta Toner Cartridge Standard Capacity 106R00673 1 Magenta Toner Cartridge High Capacity 9 106R00668 1 Cyan Toner Cartridge Standard Capacity 106R00672 1 Cyan Toner Cartridge High Capacity 10 106R00671 1 Black Toner Cartridge Standard Capacity 106R00675 1 Black Toner Cartridge High Capacity 11 116 1606 00 1 Harness Assy TNR4 J51 J511 J432 J512 5513 J514 J701 J703 5704 J342 12 116 1467 00 1 Assembly Harness CRUM J71 J710 13 116 1633 00 1 Assembly Plate Dispenser 14 116 1468 00 1 Circuit Board EEPROM 15 116 1469 00 1 Sub High Voltage Power Supply 16 1 HSG Base CRUM NS part of item 21 17 1 HSG Assy Coil Reader NS part of item 21 18 1 Circuit Board CRUM Reader NS part of item 21 19 1 Harness Assy RF1D2 J341 J3411 NS part of item 21 20 1 Cover CRUM Holder NS part of item 21 21 116 1607 00 1 Box Assy CRUM Reader with 16 20 22 116 1605 00 1 Actuator Toner CTG IN 23 116 1630 00 1 Kit Rack V Gear Rack Note When a new EEPROM Board is installed in the printer the CRUM data written to the EEPROM makes it unique to that printer The EEPROM board cannot be re used in another printer Parts List 9 29 PL 11 1 Frame and Drive Assemblies V 98 with 11 and12 6250 297 Phaser 6250 Color Laser Printer Service Manual 9 30
32. 2 3 4 with size type 171 Wrong paper type Load Tray 1 MPT with size type A 3 172 Wrong paper type Load Tray 2 with size type 173 Wrong paper type Load Tray 3 with size type 174 Paper not available Load Tray 4 with size type 178 Output Tray Full 179 Cyan Toner Cartridge Empty 180 Magenta Toner Cartridge Empty 181 Yellow Toner Cartridge Empty 182 Black Toner Cartridge Empty 183 Replace Cyan Toner Cartridge 184 Replace Magenta Toner Cartridge 185 Replace Yellow Toner Cartridge 186 Replace Black Toner Cartridge 189 Replace Fuser 190 Replace Imaging Unit 191 Replace Transfer Roller 192 Install or Lock Cyan Toner Cartridge 193 Install or Lock Magenta Toner Cartridge 194 Install or Lock Yellow Toner Cartridge 195 Install or Lock Black Toner Cartridge 196 Install or Reseat Imaging Unit 197 Install or Reseat Transfer Roller 198 Install or Reseat Fuser 199 Remove Ribbon From Cyan Toner Cartridge 200 Remove Ribbon From Magenta Toner Cartridge 201 Remove Ribbon From Yellow Toner Cartridge 202 Remove Ribbon From Black Toner Cartridge 203 The Cyan Toner Cartridge is not a genuine Xerox product 204 The Magenta Toner Cartridge is not a genuine Xerox product 205 The Yellow Toner Cartridge is not a genuine Xerox product 206 The Black Toner Cartridge is not a gen
33. 24 VDC page 8 101 7 Troubleshoot using the wiring diagrams Replace the Complete See Developer Section 1 on page 10 19 and See Drive Section on page 10 18 Replace any defective parts Does the error still appear Engine Control Board page 8 107 Error Messages and Codes 3 51 Dusty Density Sensor m Cycle printer power Troubleshooting Reference Table If the problem persists follow the procedure below Applicable Parts Wiring and Plug Jack Map References CTD ADC Sensor Assembly PL 5 1 11 Xerographics 1 on page 10 23 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Clean the CTD Sensor to remove any Complete Go to Step 2 toner build up Does this fix the problem 2 Check the following for evidence of fault Replace the parts Go to Step 3 or damage concerned Transfer Roller Assembly PL 8 1 12 CTD ADC Sensor Assembly PL 5 1 11 3 Is the CTD ADC Harness properly Go to Step 4 Reconnect or connected to the CTD ADC Sensor replace the parts concerned 4 Replace the CTD ADC Sensor Go to Step 5 Complete Does the error still appear after replacing the sensor 5 Check the CTD ADC Harness for Go to Step 6 Replace the continuity CTD ADC See Xerographics 1 on page 10 23 Harness Assembly PL 5 1 10 6 Check the Harness Assembly Front 1A for Replace Engine Replace continuity Control Board Harn
34. 6 Remove the 4 screws securing the Right Plate Assembly item 1 7 Press on the aligning post in the upper left corner of the plate from inside the cavity of the printer to remove the Plate Assembly Service Parts Disassembly 8 9 8 Unhook the top end of each of the four lever springs item 2 from the arm of the drum lever where it extends through the lever link 6250 243 8 92 Phaser 6250 Color Laser Printer Service Manual 9 Carefully remove the Right Link lever item 3 from the printer chassis together with the springs and the drum levers item 4 INIS LT CI NG NG 6250 240 Note For reassembly ensure the drum levers are seated properly on the aligning posts Note When replacing the Lever Link ensure that the spring behind the Gear Press item 5 is aligned as shown in the figure on the preceding page when the Lever Link is at the bottom of its travel as shown in the same figure Service Parts Disassembly 8 93 Main Drive Assembly PL 11 1 14 Remove the Cover Top Main page 8 9 Remove the Cover Front Right page 8 15 Remove the Cover Right page 8 11 Remove the Link Right page 8 13 Disconnect the P J48 from the Motor Driver Board Free the harness from the clamp on the Main Drive Assembly Remove the grounding screw Remove the 3
35. Hard This test fails if the boot loader finds no RAM 1 present or faulty RAM Run prior to POST Boot loader posts the message RAM error to the front panel and blinks the front panel LED I O ASIC Hard This test determines if the I O chip is functioning 3 properly and also makes a preliminary check of front panel functionality Memory Soft Checks installed memory above diagnostics code 4 and data addresses Front panel displays Memory if a fault occurs P Button Hard This test checks to see if the i button Configuration 5 configuration chip is present If no chip is present the Chip test will fail and the front panel message Please Install i button will display Extended Memory 7 This test does a write compare test to each 32 bit word in extended memory EEPROM 10 Hard This test checks addressing of the EEPROM Ethernet 11 Hard This test checks the ethernet core CPU Interrupts 12 Hard This test checks that each interrupt source to the CPU is functioning USB 13 Hard This test checks that the USB core is functioning properly Real Time Clock 14 Soft The real time clock is tested RAM DIMM 15 Soft This test examines bad or incompatible RAM Presence DIMMs Minimum RAM 16 Hard Checks that there is at least 128 Mbytes installed Limits Front panel displays Install More RAM on failure Maximum RAM 17 Soft Checks that there is no more than 512 Mbytes Limits installed IDE Disk Soft
36. NS 8 1 Gear Feed 1 NS 9 1 Spring Feed 1 NS 10 1 Spring Feed H NS 11 1 Gear Feed H2 NS part of 99 12 1 Gear Feed H1 NS part of 99 13 1 Gear Feed 2 NS part of 99 14 1 Gear Idler Feed NS part of 99 15 1 Gear Idler NS part of 99 16 1 Clutch Stopper NS 17 116 1361 00 1 Feed Solenoid 18 116 1362 00 1 Assembly Turn Clutch 19 1 Gear Idler In NS part of 99 20 116 1363 00 1 Assembly Roll Turn 21 2 Bearing Black NS 22 1 Shaft Feed 2 NS 23 116 1331 00 2 Paper Feed Roller Kit 2 interchangeable rollers per order 99 116 1367 00 1 Paper Feed Gear Kit with 8 11 15 and 19 Parts List 9 49 PL 15 5 500 sheet Feeder Harness Board and Motor J8220 P8220 P825 3823 6250 430 PL 15 5 500 sheet Feeder Harness Board Motor Service Parts List Table ID No Part Number Qty Name Description 1 116 1622 00 1 Circuit Board Lower Feeder 2 116 1519 00 1 Assembly OPT Feeder Plug 3 116 1623 00 1 Assembly Harness Tray 3 4 116 1526 00 1 Assembly Harness NPRSJ 5 116 1635 00 1 Assembly Drive Feeder Single Tray 6 116 1354 00 1 Sensor No Paper Low Paper Ts 116 1524 00 1 Lever Low Paper 8 1 Assembly Indicator NS 9 50 Phaser 6250 Color Laser Printer Service Manual Xerox Supplies and Accessories Repair Kits World Kits and Repacking Kits Description Part Number Kit Gear
37. Phaser Glossy Trifold Brochures Letter 216 x 279 mm 8 5 x 11 in Tray 1 Only A4 210 x 297 mm 8 27 x 11 69 in Tray 1 Only Weather Proof Paper Letter 216 x 279 mm 8 5 x 11 in Trays 142 A4 210 x 297 mm 8 27 x 11 69 in Only Tray Capacity Universal Tray Tray 1 MPT Standard Paper 500 Sheets 100 Sheets Transparency 100 Sheets 50 Sheets Envelopes N A 10 each A5 paper is supported from all trays in Japanese models only Glossy paper can be used in all trays on the 6250 Tray 2 only Note For duplex configured printers auto duplex operation is available through Tray 1 MPT and Trays 2 3 and 4 Refer to the Paper Tips page for information on which paper types can be used for duplex printing General Information 1 15 Phaser 6250 Color Laser Printer Service Manual Theory of Operation In this chapter m Overview m Printer Controls m Paper Path of the Printer m Major Assemblies and Functions Chapter 2 Overview of the Phaser 6250 Color Laser Printer Theory of Operation Summary of the Printing Process The Phaser 6250 Color Laser Printer is a full color laser printer that utilizes electrophotographic recording principals to place a full color image onto the print media The system contains a drum and developing unit for each color yellow magenta cyan and black YMCK and places the toner image of each color onto print media producing full color prints through three transfer units primary transfer u
38. Remove the 5 screws securing the Left Tray Guide Assembly to the STF frame oa fF OW N Release the 6 tabs securing the Left Tray Guide Assembly to the STF frame 6250 419 Service Parts Disassembly 8 14 7 Remove the Guide Assembly by rotating the top inward 6250 420 8 142 Phaser 6250 Color Laser Printer Service Manual Link Actuator PL 15 4 6 1 Remove the Paper Tray from the STE 2 Remove the paper tray Rear Cover 3 Reach in through the rear of the STF and spread the tabs of the Link Actuator apart 4 Remove the link actuator from the bracket in the STF 5 Remove the actuator Note When replacing positon the Actuator so that the wider portion is on the right side viewe from the front Replace it after passing the tip of the Link Actuator into the hole in the STF frame 6250 279 Service Parts Disassembly 8 143 STF Paper Pick Assembly PL15 4 1 1 Remove the Right and Left Tray Guide Assemblies page 8 138 and page 8 141 2 Remove the Link Actuator page 8 143 3 Remove the 2 screws securing the Paper Pick Assembly to the right side of the STF frame 4 Release 2 tabs on the Paper Pick Assembly from the 2 slits and window on the left side of the STF frame 5 Disconnect P J824 P J8220 and P J825 6 Remove the Paper Pick Assembly through the window Note When removing or replacing the the screws be careful not to damage the Gear or Spring w
39. Solenoid Tests Tests the functionality of the clutches by giving service personnel the ability to energize de energize one solenoid at a time Audible verification of Clutch functionality You should hear the clutch engage and disengage click on and off continuously until test is ended by pressing Cancel 3 14 Phaser 6250 Color Laser Printer Service Manual Test Front Panel Display and Test Definition Tray 1 MPT Feed Solenoid Tray 2 Feed Solenoid Tray 3 Feed Solenoid Tray 4 Feed Solenoid Solenoid is ON Solenoid is OFF Maintenance Cleans the Intermediate Transfer Unit within the Imaging Unit Audible verification of the Solenoid function Clean Imaging Unit IDT 1 Clean Imaging Unit IDT 2 NVRAM Access Printing This menu lets you read set or reset t Printing is displayed on the Front Panel during the IDT cleaning cycle The test continuously cycles paper through the printer until the Cancel button is pressed he following values PostScript NVRAM Reset Resetting PostScript NVRAM Are you sure Yes NO Restores the Printers setup values to their factory defaults For more information on resetting NVRAM See Resetting NVRAM on page 6 4 MCU NAVRAM Save Engine NAVRAM Saves critical engine parameters Store Restore printer installation date printer page count imaging unit life count transfer roller life count to
40. aa 8 60 Tray 1 Bottom Plate PL 6 1 42 8 61 Chute Assembly Exit 00 c cece cece ene nnee 8 62 Chute Assembly Exit PL7 1 1 00000 8 62 ExitRoller PL P2124 se sana anna hp Dna 8 63 Mid Roller PL 7 1 5 2 0000 e cece eee eeeee 8 64 Duplex Motor Assembly PL 7 1 8 00005 8 65 Exit Actuator Fuser PL8 1 7 220005 8 66 Strap P813 ann oats a eas eee ee me 8 67 PTEI E AA 8 68 Laser Uniti PEINT i sia a NAA 8 68 Housing Assembly Bias PL 9 1 4 00005 8 69 Chute Assembly Registration PL 9 1 6 and Housing Assembly Elec trig PLO et ae Gade tee Khan maan 8 71 Registration Sensor Actuator PL 9 1 9 and Registration Sensor PL OTB Seco wate ee ke tae eae aa eit dade napa ie 8 73 OHP Sensor and Harness Kit PL 9 1 12 8 75 Toner Cartridge Holder Assemblies 0 0000s 8 77 Toner Cartridge Holder Unit Assembly PL 10 1 8 77 Toner Cartridge Holder Assembly a 8 80 Toner Present Switch Bracket and Actuator PL 10 1 6 and 10 1 22 8 82 Toner Low Sensor PL 10 1 5 000200 0000000 8 84 CRUM Reader Box Assembly PL 10 1 21 8 85 EEPROM Board PL 10 1 14 0 0c eee eeee 8 86 Sub High Voltage Power Supply Board PL 10 1 15 8 87 Frame and Drive Assemblies 2 000 cece eee ee eee 8 88 Left Lever Plate PL 11 1 1 Lever Bracket
41. c eee eee 1 13 Media and Tray Specifications 00 000 eee 1 14 2 Theory of Operation Overview of the Phaser 6250 Color Laser Printer Theory of Operation 2 2 Summary of the Printing Process 0 000 uae 2 2 Prot Modos oeeie raean Ga Mahe bbe MG DEL NG hee 2 5 Printer Controls eriti erosen a cae densa NG DAGANG 2 5 Paper Size Control 0 cee eee eens 2 5 Selective Control Paper Pick 0 00 00 cece eee 2 6 Laser Light Intensity Control a 2 6 Process COMO 3 ak oboe eda need echaeed dee leon 2 6 LED Light Density CTD ADC Control of Sensor 2 8 Color Registration Control 0 0 cece eee eee eee 2 9 Transfer Roller Assembly Control 000 eee 2 11 TONG Control KK cea KAG NA a 2 12 Fuser Control 2 13 Paper Path of the Printer 2 0 0 cece ccc eee eee 2 14 Paper Path Route 0 0 ccc cece eects 2 15 Service Manual xiii xiv Major Assemblies and Functions 20 0 0 0c ce eeee 2 16 Frame and Drive Assemblies 0 000 cece eee 2 16 Main Drive Assembly Transmission Route 2 17 Gear Layout Print Engine and Tray1 2 18 Paper TAY 2 abala a nan Aa eee 2 19 Paper Feed Tray2 eens 2 20 HCF Drive and Gears Transmission Route 2 25 500 Sheet Feeder Drive and Gears Transmission Route 2 26 Retard Housing Assembly 0 0 cece eee eens 2 27 Chute Assemb
42. immediately followed by a Jam at Registration error message This behavior indicates a Fuser stall condition A Fuser stall could result from the Fuser Drive s inability to provide enough torque to turn the Fuser rollers following a period of Power Saver mode or low ambient operating temperatures less than 20 C 68 F Start at Step 7 Note Snippets are available for download from the Partner s web site to correct Fuser Stalls caused by Fuser Drive ramp timing or low operating temperatures Indicate installation of the FMS snippet in the RID service history text field The leading edge is accordion folded at the Turn Chute Start at Step 12 Remember to remove replacement parts installed during troubleshooting that did not resolve the problem Troubleshooting Procedure Table Sieps Action and Questions Yes No 1 Check for paper jammed in the Registration Go to Step 2 Go to Step 4 Chute Assembly Does the leading edge extend approximately 1 to 1 1 2 inches through the assembly 3 24 Phaser 6250 Color Laser Printer Service Manual Troubleshooting Procedure Table Continued Steps Action and Questions Yes No 2 Use Service Diagnostics to test the following Go to Step 3 Complete parts within the Registration Chute Assembly m Registration Sensor PL9 1 8 m OHP Sensor PL9 1 12 m Registration Clutch PL9 1 6 Replace any defective parts Does the problem persist 3 Replace the Regi
43. installed in the printer verify against the concerned label on the Fuser Assembly Check the Fuser Assembly for evidence of fault or damage 2 Remove the Fuser Assembly and check Replace the parts Go to Step 3 for broken or bent pins concerned 3 Does the error recur after the Fuser Go to Step 4 Complete Assembly has been replaced with a new one 4 Replace the Low Voltage Power Supply Go to Step 5 Complete page 8 99 Does the error recur after the LVPS has been replaced 5 Check the Fuser Harness for continuity Go to Step 6 Replace the Fuser See the wiring diagram Fuser Assembly Harness on page 10 21 FSR 2 PL 5 1 9 6 Check the Front 1A Harness for Replace the Replace Front 1A continuity See the wiring diagram Fuser Assembly on page 10 21 Engine Control Board page 8 107 Harness Assembly PL 13 1 7 3 70 Phaser 6250 Color Laser Printer Service Manual Fuser Failure cont d Code 44 Indicates a failure in the Fuser Lamp circuit Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Low Voltage Power Supply PL 12 1 10 Fuser Assembly on page 10 21 Fuser Harness Assembly PL 5 1 9 Warning To avoid the potential of electric shock ensure the power to the printer is off and the power cord is disconnected from the wall outlet prior to performing Step 2 of the following troubleshooting procedure Troubleshooting Procedure Table
44. printer setup job defaults color margin and calibrations to their factory default values The print counts and the Adobe firmware serial number are not affected by this reset 1 From the Main Menu highlight Troubleshooting and press OK 2 Highlight Service Tools and press OK 3 Highlight Reset NVRAM and press OK 4 Highlight Reset NVRAM and Reset Printer NOW and press OK to reset all the settings to their factory default values Adjustments and Calibrations 6 7 Service Diagnostics PostScript NVRAM Resets Resetting the NVRAM restores all printer values stored in the IP controller NVRAM including network printer setup job defaults color margin and calibrations to their factory default values The print counts and the Adobe firmware serial number are not affected by this reset 1 Enter Service Diagnostics 2 Highlight NVRAM Access and press OK 3 Highlight PostScript NVRAM Reset and press OK 4 Resetting NVRAM Are you sure is displayed Highlight Yes and press OK The printer now exits Service Diagnostics and reboots While booting NVRAM is reset 6 8 Phaser 6250 Color Laser Printer Service Manual Cleaning and Maintenance In this chapter Service Preventive Mai m Recommended Tools m Cleaning Chapter Service Preventive Maintenance Procedure Perform the following procedures whenever you check service or repair a printer Cleaning the printer as outlined in the following Steps assures prop
45. type 3 61 Out of Paper Load Tray 2 3 4 with size type 3 62 Wrong Paper Size Load Tray 2 with size type 3 63 Wrong Paper Size Load Tray 3 4 with size type 3 65 Wrong Paper Type Load Tray 1 MPT 2 3 4 with size type 3 67 PATA EMORS vst 3 Agra Ahaha nha nA a bakahan Napagana ka dale Bababa lana 3 68 Laser Failure mana aming N RN euch ELA Khanna 3 68 Density Sensor Failure 1 0 0 aa 3 69 FUSE ANUP scans Gidea od ae eee ee ee ee 3 70 Fuser Failure cont d 00 cece cece eens 3 71 Fuser Failure cont d 0 00 cece cece eee 3 72 FusenFaniballurgan Naan aa e E ate tarts one ae 3 73 Rear Fan Failure 0 cee eee 3 74 Generic Fan Failure 0 0 cece cee eens 3 75 Engine Firmware Failure 3 76 Imaging Unit Firmware Failure 0 0 0 0 cee eee eee 3 77 Fuser Firmware Failure 3 78 Controller to Engine Communications Failure 3 79 Engine NVRAM Error 2 3 80 Replace Y M C K Toner Cartridge 3 81 Y M C K Toner Cartridge Failure 3 82 Non Phaser 6250 FuSer a 3 83 Non Phaser 6250 Imaging Unit 3 84 Environmental Sensor Failure a 3 85 Service Manual xv 4 General Troubleshooting DEAL AA 4 2 Printer Status Page a 4 2 Power Up Modes 0c cee eee cece eee eens 4 2 System Start Up and POST nannaa cece cece eee eee eee
46. when troubleshooting Jam conditions Error Message s and Codes 3 11 Test Front Panel Display and Test Definition Exit Sensor Sensor is OFF Sensor is ON Actuate de actuate the Exit Actuator PL8 1 7 located in the Fuser to toggle the sensor state Duplex Sensor Sensor is OFF Sensor is ON Actuate de actuate the Duplex Actuator PL6 1 13 located on the Chute Assembly Out to toggle the sensor state Full Stack Sensor is OFF Actuate de actuate the Output Tray Sensor Sensor is ON Full Actuator PL6 1 4 at the output tray to toggle the sensor state Black Toner K Toner is Low Displays current state of the Low Toner is NOT Low sensor Cyan Toner C Low Magenta Toner M Low Yellow Toner Y Low Black Toner Toggle the Toner Cartridge In Cartridge switch PL 10 1 22 for the Present appropriate color to change the Cyan Toner sensor state Cartridge Sensor is OFF Toner Cartridge is in the LOCKED Present position Magenta Toner Sensor is ON Toner Cartridge is in the Cartridge UNLOCKED position Present Yellow Toner Cartridge Present Black Toner Remove the appropriate toner CRUM Sensor cartridge and depress the Toner Cyan Toner Cartridge In switch PL 10 1 22 to CRUM Sensor change the sensor state Magenta Toner Sensor is OFF Toner Cartridge is in the LOCKED CRUM Sensor position Yellow Toner Sensor is ON Toner Cartridge is in the CRU
47. 1 6250 315 Phaser 6250 Color Laser Printer Service Manual Fuser Assembly EEPROM BOARD P J145 J232 ENGINE FUSER ASSY PL8 1 1 P321 P J144 B7 86 i B5 pm Ba pm P32 At m A2 jam maj m mjm CONTROL PL10 1 14 EEPROM DATA 7 BOARD EEPROM CLOCK eo PL12 1 1 3 3VDC Ki B3 3 3VDC Ha P J13 P138 J138 J232 PULL UP 3 3VDC 17 gt gt E 5 AS SG 18 TEXT PAPER SENSED avoe tm 4 acs 20 gt 1 lt b3 24 A2 P J13 P138 J138 J232 FUSER_STS SG A3 A1 P321 J322 A3 A5 P321 J331 P J24 P2362 J2362 J232 NCS_VD 7D ase 13 B5 6 P4 NCS_GND ce Ke Be 5 m 31 54 87 Bz Ms B1 fm Fuser EEPROM C Exit Sensor Fuser NCS Non MOTOR DRIVER P J12 P J42 BOARD PL12 1 12 agn gh 3 gt 28 contact Sensor LVPS P J165 PL12 1 10 P J162 RENTON J232 KE H 12 AC N 220V C 3 leater gt hg Ka Control 3 gt KC 2 ACL 1 DR KK 1 ASSY AC SW PL12 1 11 J235 J234 J233 J232 1 BHK 1 1 DKK 4 Note P J numbers within the Fuser block are all internal to the Fuser Assembly 6250 316 10 21 Laser Unit
48. 1 4 1 Remove the Holder Toner Cartridge Assembly Unit page 8 77 Note Reinstall the toner cartridges to prevent spillage The holders need to be removed in Y M C K order There are small locking tabs between the holders on each end that lock them together Reinstall the cartridges in the opposite order 6250 210 Note You will need to disconnect all the connectors before removing the toner holder in the next Steps 8 80 Phaser 6250 Color Laser Printer Service Manual 2 Disconnect the following Plug Jacks from each dispenser m Y P J511 and P J701 m M P J512 and P J702 m C P J513 and P J703 m K P J514 and P J704 3 Remove the harness from the cable guides on the side of the yellow Toner Cartridge Holder Assembly 4 Remove the harness from the cable guide on the end of each Toner Cartridge Holder Assembly above the Toner Motor 5 Remove the screw securing each Toner Cartridge Holder Assembly Y M C K to the Plate Dispenser and slide the Toner Cartridge Holder to the right to remove 6 In the Holder Toner Assembly Unit release the tab securing the auger tube from the Plate Dispensor PL 10 1 13 with a small screwdriver and remove by sliding to the right Service Parts Disassembly 8 81 Toner Present Switch Bracket and Actuator PL 10 1 6 and 10 1 22 Remove the Imaging Unit and protect it from exposure to light Remove the Top Main Cover see page 8 9 Remove the Left and Right Side C
49. 10 Open the left side door and clean up any toner inside 7 2 Phaser 6250 Color Laser Printer Service Manual 11 Remove and clean the paper trays 12 Clean all rubber rollers with a clean lint free cloth slightly dampened with cold water Cleaning and Maintenance 7 3 Phaser 6250 Color Laser Printer Service Manual Service Parts Disassembly In this chapter Overview General Notes on Disassembly Removing Routine Maintenance Items and Consumables Print Engine Disassembly Optional High Capacity Feeder Disassembly Optional 500 sheet Feeder Disassembly Chapter Overview This section contains the removal and replacement procedures for selected parts of the printer listed in the Parts List Not all Replacement Procedures are included in this Service Manual In most cases the replacement procedure is simply the reverse of the Removal Procedure In some instances additional Steps are necessary and are provided for replacement of the parts For specific assemblies and parts refer to the Parts List on page 9 1 Standard Orientation of the Printer When needed the orientation of the printer is called out in the procedure as an aid to locating printer parts Refer to the following printer orientation graphic to identify the right left front and back sides of the printer 6250 260 8 2 Phaser 6250 Color Laser Printer Service Manual General Notes on Disassembly Preparation Before you begin any remova
50. 116 1355 00 1 Actuator No Paper 6 116 1356 00 1 Actuator Link not included with item 1 7 3 Bearing Metal NS 8 1 Gear Feed 1 NS 9 1 Spring Feed 1 NS 10 1 Spring Feed H NS 11 1 Gear Feed H2 NS part of 99 12 1 Gear Feed H1 NS part of 99 13 1 Gear Feed 2 NS part of 99 14 1 Gear Idler Feed NS part of 99 15 1 Gear Idler NS part of 99 16 1 Clutch Stopper NS 17 116 1361 00 1 Feed Solenoid 18 116 1362 00 1 Assembly Clutch Turn 19 1 Gear Idler In NS part of 99 20 116 1363 00 1 Assembly Roll Turn 21 3 Bearing Black NS 22 1 Shaft Feed 2 NS 23 116 1331 00 2 Paper Feed Roller Kit 2 interchangeable rollers per order 24 116 1366 00 1 Assembly Harness Feeder J47 J471 J472 J473 P474 P475 not included with item 1 99 116 1367 00 1 Paper Feed Gear Kit with 8 11 15 and 19 Parts List 9 13 PL 4 1 Housing Assembly Retard W1 with 2 13 6250 291 9 14 Phaser 6250 Color Laser Printer Service Manual PL 4 1 Assembly Housing Retard Service Parts List Table ID No Part Number Qty Name Description 116 1492 00 1 Assembly Housing Retard with 2 13 Roll Turn NS Shaft Retard NS Assembly Friction Clutch NS 116 1371 00 Assembly Retard Roll Holder Retard NS Housing Retard NS Bearing NS O MN mS 3 NN Turn Clutch NS ah a Stud Retard NS
51. 128 MB 16M x 64 PC133 Memory DIMM 156 4837 00 256 MB 32M x 64 PC133 Memory DIMM 156 4663 00 High Capacity Feeder w Trays 119 6474 00 Casters Non Locking 116 0008 00 Casters Locking 116 0009 00 500 sheet Feeder w Tray 119 641 8 00 Printer Feet 116 1344 00 IC Base Configuration Chip 163 1500 00 IC Network Configuration Chip 163 1501 00 IC DP DX Configuration Chip 163 1502 00 IC Memory NVRAM 163 1459 00 Consumables Description Part Number Toner Cartridges Phaser 6250 all Yellow Toner Cartridge Standard Capacity 106R00670 Yellow Toner Cartridge High Capacity 106R00674 Magenta Toner Cartridge Standard Capacity 106RO0669 Magenta Toner Cartridge High Capacity 106R00673 9 52 Phaser 6250 Color Laser Printer Service Manual Consumables Description Part Number Cyan Toner Cartridge Standard Capacity Cyan Toner Cartridge High Capacity 106RO0668 106R00672 Black Toner Cartridge Standard Capacity Black Toner Cartridge High Capacity 106R00671 106R00675 Routine Maintenance Items Description Part Number Imaging Unit Phaser 6250 108R00591 Fuser Phaser 6250 110 V 220 V 115R00029 115R00030 Transfer Roller 108R00592 Universal Paper Tray 2 3 4 116 1378 00 Paper Feed Roller Kit 116 1331 00 Software and Documentation Description Printer Installer and Utilities CD ROM User
52. 3 4 5 6 4 2 Phaser 6250 Color Laser Printer Service Manual Power Up Mode Selection Mode Selection mh N o A ol o Printer Reset G X G Customer G G Service Diagnostic G X X G Disaster Recovery G X X G System Start Up and POST System Boot Sequence 1 2 When the main power switch is turned on the health LED on the Image Processor Board turns on The front panel Graphics Display is reset addressable area turns grey The front panel LED cycles Green Yellow Red approximately 1 3 second each and then off 4 The backlight is turned on high intensity with a nominal contrast display The Grapics Display is turned on with all ones black for 1 second and then cleared The backlight is turned on with nominal intensity The Power On Self Test Vn nn message appears and tests are quickly executed If any test fails the front panel screen freezes with the name of the test displayed and another line is posted Call Customer Service The Xerox splash screen displays on the front panel and PostScript begins initialization General Troubleshooting 4 3 Power On Self Test POST The following tests are performed when the printer is powered on after the boot loader runs and before the operating system is loaded and initialized POST diagnostics are intended to provide a quick means of isolating a defective subsystem associated with the Image Processor B
53. 36 5 MAIN CLOCK rae 7 3 XMAIN ENA KE 33 MAIN F H LE 32 3 MAIN CW CCW Le a1 _ 5 DA_MAINMOT gt _ _ gt 30 FSR CLOCK PAT 29 gt esn Ena KA gt C 28 SI ESR EH FH 35 FSRCWICCW P 26 5 DA FSRMOT P J42 DUPA Dr 26 DUPB Dh OK 25 DUP TDA gt 24 DUP TDB Dr PK 23 DA DUPMOT K 2 P J42 FAN FSR STOP gt OK 30 FAN FSR LOW gt gt gt 1 10 18 bi a MOTOR DRIVER BOARD PL12 1 12 Interlock 24VDC Interlock 24VDC Motor Control Interlock 1 L Interlock Control DEVELOPER DRIVE ASSY MAIN DRIVE ASSY FUSER DRIVE ASSY P J49 neve gt _ 2 5 DEVE_V DEVE_W 3 gt P J48 MAIN gt x 2 Bi MAIN_V MAIN_W 3 DY P J52 ar 5 2 5 FSR V FSR W 3 J P J50 J131 s VL 24VDC 5 5 eane ral 5 3 K 4 gt DUP_B i DUP_XA o 5 K 2 DUP_XB 6 Di 1 P J50 7 PR FAN FSR ON H 24VDC 8 FAN FSR FAIL H 3 3VDC RTN 9 DUPLEX MOTOR ASSEMBLY P131 PL7 1 8 1 2 3 4 5 o jm J137 P137 lt 3 1 fm C 2 2 T 13 FAN FUSER PL1 1 7 6250 313 Phaser 6250 Color Laser Printer Service Manual Developer Section 1
54. 6 Laser Unit is replaced 6 Does the image quality improve if the Complete Go to Step 7 SUB HVPS is replaced 7 Check the FRONT 1A Harness for Go to Step 8 Replace the Front 1A continuity Harness Assembly PL 13 1 7 8 Does the image quality improve if the Complete Replace the Engine Fuser is replaced PL 8 1 1 Control Board page 8 107 5 10 Phaser 6250 Color Laser Printer Service Manual Light Print in Only One Color Only one color yellow magenta cyan or black is too light on the printed image The test print is 2596 coverage Initial Actions m Verify that color calibration has been performed prior to using this troubleshooting procedure S6200 272 Troubleshooting Procedure Step Check Yes No 1 Is the affected color s toner supply Replace Toner Go to stop 2 empty Check the top of the auger Cartridge PL 10 1 tube for the affected color 2 Check the Imaging Unit for correct Replace the Go to Step 3 installation damage or Imaging Unit PL contamination 9 1 3 Verify the shipping seals are completely removed 3 Inspect the Developer Bias Plunger Go to Step 4 Replace the Housing Stud of the affected color for proper Assembly Bias spring pressure compare to the page 8 69 other colors Check for contamination 4 Check for foreign objects or Remove object and Go to Step 5 contamination present in the laser or contamination beam path between the Laser Unit and t
55. Actions and Questions Yes No 6 Check J34 lt gt J3411 of CRUM harness Replace the Replace CRUM RFID for continuity Engine Control harness RFID Board page 8 107 PL 13 1 13 Non Phaser 6250 Fuser Code 94 CRUM LD error A non Phaser 6250 Fuser has been detected in the printer Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Fuser Assembly PL 8 1 1 Fuser on page 10 21 Laser Unit on page 10 22 Warning To avoid the potential of electric shock ensure the power to the printer is off and the power cord is disconnected from the wall outlet prior to performing Step 4 of the following troubleshooting procedure Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the part number on the Fuser Is it Go to Step 2 Replace the a genuine Xerox Phaser 6250 part Fuser page 8 5 2 Check the Fuser assembly for evidence of Replace the parts Go to Step 3 fault or damage concerned 3 Remove and reinstall the Fuser assembly Go to Step 4 Complete Does the error recur 4 Remove the Fuser assembly and check Replace the parts Go to Step 5 for broken or bent pins concerned 5 Does the error recur after the Fuser Go to Step 6 Complete assembly is replaced with a new one 6 Are P J 144 and P J 145 onthe EEPROM Go to Step 7 Replace the board properly seated and defect free EEPROM board page 8 86 7 Check cont
56. CHUTE ASSY EXIT LEFT 6250 193 Phaser 6250 Color Laser Printer Service Manual Exit Roller PL 7 1 4 Remove the Chute Assembly Exit page 8 62 N Release the tab securing the Gear Roll item 1 to the shaft and remove the Gear Roll Remove the bearing from the left side of the shaft of the Exit Roller item 2 Remove the e ring securing the right end of the shaft of the Exit Roller Remove the bearing item 3 oa Aa Ww Raise the right side of the shaft and pull the Exit Roller to the right and up to remove 6250 194 Service Parts Disassembly 8 63 Mid Roller PL 7 1 5 Remove the Chute Assembly Exit page 8 62 Release the tab securing the Gear Roll item 1 and remove the Gear Remove the bearing from the left side of the shaft Remove the e ring and bearing item 2 securing the right side of the shaft Raise the right side of the shaft and pull out the Mid Roll item 3 a fF Q N 6250 195 8 64 Phaser 6250 Color Laser Printer Service Manual Duplex Motor Assembly PL 7 1 8 1 Remove the Chute Assembly Exit item 1 page 8 62 2 Rotate Gear 48 item 2 to access 1 screw securing the Duplex Motor Assembly item 6 to the Chute Assembly Exit then remove the other screw 3 Remove the Duplex Motor Assembly from the Chute Assembly Exit 6250 196 1 Chute Assembly Exit 4 Gear Mid Roller 2 Gear 48 5 Gear EXit roller 3 Gear 40 42 6 Motor Assemb
57. Documentation CD ROM Service Manual Part Number Included in World Kit Included in World Kit 071 0869 00 Phaser Media Description Part Number Phaser Premium Paper A 500 Sheets 016 1368 00 Phaser Premium Paper A4 500 Sheets 016 1369 00 Parts List 9 53 Phaser Media Continued Description Part Number Phaser Glossy Coated Paper A 016 1704 00 100 Sheets Phaser Glossy Coated Paper A4 016 1705 00 100 Sheets Phaser Color Printing Labels A 30 per 016 1812 00 100 Sheets Phaser Color Printing Labels A 6 per 016 1813 00 100 Sheets Phaser Color Printing Labels A4 14 per 016 1814 00 100 Sheets Phaser Color Printing Labels A4 8 per 016 1815 00 100 Sheets Phaser Premium Cover Paper A 016 1823 00 100 Sheets Phaser Premium Cover Paper A4 016 1824 00 100 Sheets Phaser CD DVD Label and Applicator 016 1885 00 contains 1 Applicator 4 1 Jewel Case Phaser CD DVD Labels and Inserts 016 201 1 00 1 Insert Sheet Letter 8 5 x 11 in 20 Sheets 2 Labels per Sheet 10 Sheets Phaser CD DVD Labels and Inserts A4 016 2026 00 210 x 297mm 1 Insert Sheet 20 Sheets 2 Labels per Sheet 10 Sheets Phaser Premium Business Card Media A 016 1898 00 10 per 25 Sheets Phaser Premium Business Card Media A4 016 1899 00 10 per 25 Sheets Phaser 25 Series Premium Transparency 016 1948 00 Film Letter 8 5 x 11 in 50 Sheets
58. Feed Is J834 1 lt gt J834 2 less than 100 ohms Solenoid PL 14 4 17 18 Check the OPT Feeder Plug Assembly to the Replace the Replace the HCF Main Assembly to the Tray 4 Harness Engine Control open Harness Assembly for continuity Board Assembly See Paper Tray 4 on page 10 30 page 8 107 3 40 Phaser 6250 Color Laser Printer Service Manual Door and Cover Errors Close Front Door Ensure that the front door is free of obstructions and fully closed Verify that the interlock switch tab actuator is not broken Cycle printer power If the problem persists follow the procedure below Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Front Cover PL 1 1 2 Main Wiring Diagram on page 10 15 Motor Driver Board PL 12 1 12 Drive Section on page 10 18 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the following for evidence of fault Replace the parts Go to Step 2 or damage concerned m Motor Driver Board PL 12 1 12 m Interlock Switch on Motor Driver Board Actuator tab on the Front Cover m CAM I R on the Top Imaging Unit Cover Acutator I L PL 11 1 8 2 Use service diagnostics to test the Replace Engine Go to Step 3 Interlock Switch Control Board Does the Interlock Switch function page 8 107 correctly 3 Verify the voltage between P J41 35 lt gt Replace Engine Replace the Motor P J41 22 on
59. Feed Roller Kit up to 100 000 No life tracking for this item 1 10 Phaser 6250 Color Laser Printer Service Manual Printer Specifications Physical Dimensions and Clearances Print Engine Dimensions Value Height 445 mm 17 52 in Width 439 cm 17 28 in Depth 638 mm 25 12 in Weight Approximately 36 5 kg 80 5 Ib Print engine Approximately 56 5 kg 124 5 Ib with Paper Tray s installed Optional High Capacity Feeder Dimensions Value Height 336 mm 13 23 in Optional Paper Tray Assembly Width 439 cm 17 28 in Depth 563 cm 22 17 in Weight Approximately 15 kg 33 Ib no Paper Tray s installed Approximately 20 kg 44 Ib with Paper Tray s installed Optional 500 sheet Feeder Dimensions Value Height 172 mm 6 77 in Optional Paper Tray Assembly Width 439 cm 17 28 in Depth 563 cm 22 17 in Weight Approximately 7 kg 15 4 Ib no Paper Tray installed Approximately 12 kg 26 4 Ib with Paper Tray installed Clearance Value Top 350 mm 13 78 in Left 100 mm 3 94 in Right 150 mm 5 91 in Front 600 mm 23 62 in Rear 200 mm 7 87 in Mounting surface level tolerance Within 3 degrees of horizontal with all four feet in contact with the surface General Information 1 11 Functional Specifications Functional Specifications Characteristic Specification Printing
60. Feeder Covers W 99 with 26 and 27 W 2 with 3 7 PL 14 2 High Capacity Feeder Covers Service Parts List Table engine partslist0001FD ID No Part Number Qty Name Description 1 116 1510 00 1 Cover Left 2 3 116 1511 00 1 Cover Right 4 116 1512 00 3 Cover Front 1 per order 5 116 0009 00 2 Casters Locking 1 per order 6 116 0008 00 2 Casters Non Locking 1 per order 7 116 1514 00 2 Indicator Paper 1per order 8 2 Guide Caster NS Parts List 9 37 PL 14 3 High Capacity Feeder Guides and Turn Chute Assembly Y 1 with 3 and 8 W 2 with 5 and 6 6250 483 9 38 Phaser 6250 Color Laser Printer Service Manual PL 14 3 High Capacity Feeder Guides and Chute Service Parts List Table ID No Part Number Qty Name Description 1 Guide Assembly Left with 3 and 8 NS 2 Guide Assembly Right with 5 and 6 NS 3 116 1515 00 2 Guide Tray Left 1 per Tray 4 5 116 1516 00 2 Guide Tray Right 1 per Tray 6 116 1343 00 2 Assembly Paper Size Switch 1 per Tray 7 116 1336 00 2 Assembly Turn Chute 1 per Tray 8 116 1351 00 2 Paper Tray Stopper 1 per Tray 9 2 Cover Rear 1 per Tray Parts List 9 39 PL 14 4 Paper Pick Assembly Trays 3 4 4 V 1 with 2 5 7 23 V99 with 8 11 15 and 19 6250 484 9 4
61. Front Left Cover from the printer COVER ASSY FRONT 6250 133 Service Parts Disassembly 8 17 Paper Feed Paper Feed Roller PL 2 1 2 Routine Maintenance Item 1 Pull the paper tray out of the printer 2 Release the tab securing the Feed Cover to the Paper Tray and open the Feed Cover item 1 3 Carefully release the hook securing the Paper Feed Roller item 2 to the Retard Shaft 4 Slide the Paper Feed Roller off the shaft to remove Note The Paper Feed Roller Kit contains two rollers One roller for the Paper Tray and one Roller for the Paper Feeder PL 3 3 23 The Paper Feed Rollers are interchangeable 6250 135 Note When installing the Paper Feed Roller ensure that the locking tab on the roller locks into the notch on the Retard Shaft as shown in the preceding figure 8 18 Phaser 6250 Color Laser Printer Service Manual Turn Chute Assembly PL3 1 2 1 Pull the paper tray out of the printer 2 Pushin on the Turn Chute Assembly item 1 to releae the 2 tabs 3 Rotate the Turn Chute Assembly 90 degrees downward from the Paper Feeder 6250 139 4 Release the tabs securing the right and left shaft of the Turn Chute Assembly to the Paper Feeder 5 Pull out the Turn Chute Assembly fro
62. Guide PL3 2 10 Removal Indicator and Guide Indicator 1 Remove the Printer Chassis from the Paper Feeder Assembly page 8 20 2 Remove the Feeder Right Housing page 8 23 3 Grasp the tip of the Paper Level Indicator item 1 using needle nose pliers and pull the Indicator forward to remove it from the Feeder Right Housing 4 Release the 2 tabs securing the Shaft Holder item 5 to the housing 5 Lift the Shaft Holder Guide Indicator item 2 together with the Indicator Spring item 4 and Shaft Indicator item 3 out of the housing assembly Note When reinstalling the indicator and guide components ensure that the Low Paper Lever item 6 is positioned on top of the Guide Indicator before installing the Paper Level Indicator 6250 147 Service Parts Disassembly 8 27 Removal Low Paper Lever 1 Turn the Feeder Right Housing upside down 2 Push the vertical retainer securing the right end of the Low Paper Lever towards the outside of the housing while pulling the lever upwards 3 When the right end releases pull the left end free of the retaining hole in the inside wall of the housing 4 Push the actuator end of the Low Paper Lever item 1 through the slot in the inside wall of the Feeder Right Housing item 2 then raise the lever up and out of the feeder BP aii QZ 6250 145 Replacement Notes Note Put the front end of the low paper lev
63. J12 15 14 13 1 DK P J12 10 DEH C P J12 9 DK P J42 16 17 18 PIJ12 P J42 12 e 19 P J12 P J42 20 P J42 21 P J42 22 MOTOR DRIVER PL12 1 12 3 3VDC 3 3VDC Interlock Interlock 24VDC SWITCH ASSY SIZE P J47 pazi PL24 1 e UTRAY2 SIZEO SWITCH ON L 3 3VDC A 2 le TRAY2 SIZET SWITCH ON L 3 3VDC a 4 Sle TRAV SIZE2 SWITCH ON L 3 3VDC 1 3 D SG lt 2 P J47 P 3472 PULL UP 3 3VDC 5 gt or EK 3m 6 lt 2 pm TRAY2 NO PAPER SENSED H 3 3VDC 7 De 1 m NO PAPER SENSOR PL3 3 4 P J47 EENE P J473 8 o gt C 3 jm 5 SG o TRAY2 LOW PAPER SENSED H 3 3VDC 10 De 1 m LOW PAPER SENSOR PL3 3 4 P J47 eave P474 J474 y TRAY2 SN avoc dih i 12 gt r om 1 2 5 SOLENOID FEED Tray2 PL3 3 17 P J47 oni P475 J475 33 al gt E 2 TRAY2 TURN CL ON L 24VDC 14 cc 2 CLUTCH ASSY TURN Tray2 PL3 3 18 6250 312 10 17 Drive Section ENGINE CONTROL BOARD PL12 1 1 P J11 anon a P J11 5 DEVE F H KE 40 DEVE CWiccw Le 39 3 DEVE CLOCK Le 38 3 XDEVE ENA Le 37 _ DA_DEVEMOT gt
64. Laser Printer Service Manual Circuit Board STF PL15 5 1 Remove the Paper Tray from the STE Remove the Front Covers page 8 130 Remove the Cover Right page 8 131 Disconnect P J81 from the Harness Feeder Plug Assembly Disconnect P J82 from the Harness Assembly Tray 3 Disconnect P J84 from the Drive Assembly N O oO fF WN Remove the 3 screws securing the Power Feeder Circuit board to the STF frame and remove the board oe bg Ss 6250 416 Replacement Notes Note When replacing the Power Feeder Circuit Board align the hole on the board and the two tabs on the STF Frame Service Parts Disassembly 8 135 Drive Feeder Assembly PL15 5 5 Removethe Paper Tray from the STF Remove the Front Covers page 8 130 Remove the Right Cover page 8 131 Release the Tray 3 Harness Assembly gray from the cable restraints Disconnect P J84 Remove the 3 screws securing the Feeder Drive Assembly to the STF and remove oa fF WN 6250 414 8 136 Phaser 6250 Color Laser Printer Service Manual Indicator Assembly PL15 5 8 Remove the Paper Tray from the STF Remove the Front Covers page 8 130 Remove the Right Cover page 8 131 A Q N a Push down on the black bearing on the top of the indicator shaft lift up on the shaft and pull out of the hole in the STF frame 6250 412 Reassembly Note The Indicator As
65. Left 30 116 1327 00 1 Cover Side Left 31 116 1096 00 1 Cover Top Stopper Parts List 9 5 PL 1 1 Covers Service Parts List No Part Number Qty Name Description 32 116 1592 00 1 Kit Cover Front Retaining Clips 99 116 1377 00 1 Tray 1 MPT with 26 and 27 9 6 Phaser 6250 Color Laser Printer Service Manual PL 2 1 Universal Paper Tray LB Wa V 1 with 2 7 Ps 1 F JIL BA La 6250 287 PL 2 1 Tray Univeral Paper Service Parts List ID No Part Number Qty Name Description 1 116 1378 00 1 Universal Paper Tray with 2 6 2 116 1331 00 2 Paper Feed Roller Kit 2 interchangeable rollers per order 3 116 1332 00 1 Assembly Friction Clutch 4 1 Holder Retard NS 5 116 1632 00 1 Spring Retard 6 7 116 1490 00 Chute Guide Cover Parts List PL 3 1 Paper Feed V 99 with1 4 PL3 2 PL3 3 6250 288 9 8 Phaser 6250 Color Laser Printer Service Manual PL 3 1 Paper Feed I Service Parts List Table ID No Part Number Qty Name Description 1 116 1335 00 1 Cover Feeder Front 2 116 1336 00 1 Assembly Turn Chute 3 116 1491 00 1 Cover Paper Tray Rear 4 116 1338 00 3 Block 1 per order 5 212 0237 00 4 Long Screw M3 x 85 Kit 2 per order 99 116 1631 00 1 Assembly Feeder with 1 4 am
66. Oat WD Remove the 3 screws securing the Power Feeder Circuit board to the HCF frame and remove the board 6250 284 Replacement Notes Note When replacing the Power Feeder Circuit Board align the hole on the board and the two tabs on the HCF Frame 8 116 Phaser 6250 Color Laser Printer Service Manual Drive Feeder Assembly PL14 5 5 Remove both Paper Trays from the HCF Remove the Front Covers page 8 111 Remove the Right Cover page 8 112 Release the Tray 2 Harness Assembly gray from the cable restraints Disconnect P J84 Remove the 3 screws securing the Feeder Drive Assembly to the HCF and remove oa bb WN 6250 273 Service Parts Disassembly 8 117 Indicator Assembly PL14 5 9 Remove both Paper Trays from the HCF 1 2 Remove the Front Covers page 8 111 3 Remove the Right Cover page 8 112 4 Push down on the black bearing on the top of the indicator shaft lift up on the shaft and pull out of the hole in the HCF frame gt N StS Se SS z 3 ic oS AX S 6250 271 Reassembly Note The Indicator Assembly has to be below the Low Paper Lever 8 118 Phaser 6250 Color Laser Printer Service Manual Right Tray Guide PL14 3 5 and Low Paper Lever PL 14 5 8 Guide Assembly Paper Tray Right Remove both Paper Trays from the HCF Remove the Front Covers page 8 111 Remove the Right Cover page 8 112
67. Open Door B and press on the solenoid latch plate on the left side to release the lower plate assembly Ensure that the lower plate assembly raises up Caution The plate assembly bottom may have sharp burrs be careful when performing the following Steps 16 Using needle nose pliers remove the left and right Shaft Pivots item 2 pulling them inward to remove Caution Remove the Chute Assembly Out slowly and carefully ensuring that the wiring harnesses do not catch and sustain damage during removal 17 Release the latch at Door B and pull the Chute Assembly Out forward to remove Service Parts Disassembly 6 49 Output Tray Full Actuator PL 6 1 5 and Full Stack Sensor PL 6 1 4 Removal Actuator Output Tray Full 1 Remove the Front Cover page 8 6 2 Deflect the shaft of the Actuator Output Tray Full item 1 from the top portion of the Chute Assembly Out and remove the shaft from the left side 6250 178 Removal Full Stack Sensor 1 Remove the Actuator Output Tray Full 2 Disconnect P J134 from the Full Stack Sensor item 2 3 Release the 3 tabs securing the Full Stack Sensor and remove 6250 179 8 50 Phaser 6250 Color Laser Printer Service Manual Duplex Actuator PL 6 1 13 and Duplex Sensor PL 6 1 4 Removing the Duplex Actuator 1 Remove the Front Left Cover page 8 16 2 Release the 2 tabs securing the Actuator Cover push in and remove the cover from inside the Chute Assembly
68. Out 3 Release the tab on the left side of the Duplex Actuator 4 Push the actuator to the left and remove out the right side removing the actuator with the spring still on the shaft Note Note the position of the actuator spring during removal to ensure proper reassembly 6250 182 Service Parts Disassembly 8 31 Removing the Duplex Sensor 1 Remove the Duplex Actuator item 1 2 Release the 3 tabs securing the Duplex Sensor and remove the sensor 3 Disconnect P J133 from the Duplex Sensor i a US LE 7 BAL a PN NO elo 6250 185 8 52 Phaser 6250 Color Laser Printer Service Manual Tray 1 Actuator PL 6 1 37 and Tray 1 Sensor PL 6 1 4 Removal of the Actuator Remove the Front Left Cover page 8 16 Push down on the Tray 1 metal plate and push the actuator in Slide the actuator item 2 to the left and remove to the right A O N Remove the spring item 3 from the actuator Caution Be careful not to lose or damage the spring Note spring orientation for reassembly 6250 187 Service Parts Disassembly 8 53 Removal of the Sensor 1 Remove the Tray 1 Actuator 2 Open Door B 3 From the back of the sensor item 1 r
69. PL 11 1 2 Lever Link PL 11 1 3 Lever Drum PL 11 1 4 and Lever Spring PL 11 1 5 8 88 Lever Plate Right PL 11 1 7 Lever Bracket PL 11 1 2 Lever Link PL 11 1 6 Lever Drum PL 11 1 4 and Lever Spring PL UMTS seas hace Goes eens Maa aaahh anan ah BA as 8 91 Main Drive Assembly PL 11 1 14 008 8 94 Developer Drive Assembly PL11 1 13 8 95 Actuator I L PL 11 1 8 and Spring I L PL11 1 9 8 96 Earth Ground Circuit Board PL11 1 16 8 97 Electrical AA PAA kate Rates 8 98 AC Switch Harness Assembly PL 12 1 11 8 98 Low Voltage Power Supply PL 12 1 10 8 99 Motor Driver Board PL12 1 12 00085 8 101 Rear Fan PL 12 1 2 ea a e a a eee 8 102 Gard Cages 5 c5 eae Adee Nas A et 8 103 Housing Assembly Contact PL 12 1 14 8 106 Engine Control Circuit Board PL12 1 1 8 107 Image Processor Board PL12 1 4 0005 8 110 Service Manual xix Optional High Capacity Feeder Disassembly 8 111 Cover Front PL14 2 4 2 0 eee 8 111 Cover Right PL14 2 1 and Cover Left PL14 2 3 8 112 Turn Chute Assembly PL14 3 7 a 8 113 Tray 3 Harness Assembly PL14 5 3 Tray 4 Harness Assembly PL14 5 4 and HCF Plug Harness Assembly PL14 5 2 8 114 Circuit Board HCF PL14 5 1 0 eee 8 116 Driv
70. PL 8 1 12 Toner Full Sensor PL 5 1 13 2 Use service diagnostics to test the Replace the Go to Step 3 Transfer Roller Toner Full Sensor Engine Control Does the Transfer Roller Toner Full Board Sensor function correctly page 8 107 3 Remove the Transfer Roller Assembly Go to Step 5 Go to Step 4 Verify the voltage between P J141 2 lt gt P J141 1 on the Transfer Roller Toner Full Sensor Harness is 0 VDC 4 Verify the voltage between P J141 3 lt gt Go to Step 5 Replace Assy P J141 1 on the Transfer Roller Toner Full Harness EEPROM Sensor Harness is 5 VDC PL 13 1 5 Check theTransfer Roller Toner Full Replace the Toner Replace the Toner Sensor Harness for continuity Full Sensor Full Sensor See Xerographics 1 on page 10 23 page 8 43 Harness page 8 43 Error Messages and Codes 3 45 Install or Reseat Fuser Ensure that the Fuser is fully seated Ensure that the Fuser latches are in the fully latched position Cycle printer power If the problem persists follow the procedure below Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Fuser Harness FSR 4 PL 5 1 9 Fuser Assembly on page 10 21 Warning To avoid the potential of electric shock ensure the power to the printer is off and the power cord is disconnected from the wall outlet prior to performing Step 2 in the following troubleshooting procedure Troubleshooting Procedure Tab
71. Printer Status Page do the Replace the Engine Replace the temperature and humidity values reported seem to agree with the actual conditions Control Board page 8 107 Temperature Humidity Sensor page 8 24 5 22 Phaser 6250 Color Laser Printer Service Manual Incomplete Fusing or Cold Offset m Incomplete Fusing The toner is not completely fused to the paper and easily rubs off m Cold Offset Portions of the image are not fully fused and flake or rub off S6200 224 Troubleshooting Procedure S6200 286 Step Check Yes No 1 Is the problem resolved by running Remove Print Smears from the Troubleshooting lt gt Print Quality Problems Menu on the printer s front panel Is the problem resolved by changing the paper type setting on the printer Hot offset One type lighter Cold offset Incomplete fusing One type heavier Complete Go to Step 2 Replace the Fuser Assembly Does the problem recur after the Fuser is replaced Replace the LVPS page 8 99 Complete Print Quality Troubleshooting 5 23 Mis Registration Color Layer not Correctly Registered in the Process Direction The four colors of the image are not registered correctly into one image Initial Actions m If the mis registration is in the horizontal direction perform the color registration adjustment See Horizontal and Vertical Color Registration on page 6 3 m I
72. Problems Menu Do the defects correspond to a Routine Maintenance Item See Repeating Defects on page 5 3 Replace the indicated Routine Maintenance Item Go to Step 2 Replace the Imaging Unit PL 9 1 3 Does the image quality improve if the Imaging Unit is replaced Complete Go to Step 3 Replace the Transfer Roller PL 8 1 12 Does the image quality improve if the Transfer Roller is replaced Complete Go to Step 4 Replace the Fuser Assembly PL 8 1 1 Does the image quality improve if the Fuser is replaced Complete Go to Step 5 Replace the SUB HVPS page 8 87 Does the image quality improve if the SUB HVPS is replaced Complete Go to Step 6 Replace the Laser Unit page 8 68 Does the image quality improve if the Laser Unit is replaced Complete Replace the Engine Control Board page 8 107 Print Quality Troubleshooting 5 19 Background Contamination There is toner contamination on all or most of the page The contamination appears as a very light gray dusting The printer displays no error code Before using this procedure Ensure the TekColor correction is not set to None in the printer s dialog box Ensure the customer is making less than 2 000 prints per day Making more than 2 000 prints a day exceeds the duty cycle specifications for the printer Note Depending on the type of paper and environmental conditions some light amount o
73. Remove the Turn Chute Assembly page 8 113 Remove the Feeder Drive Assembly page 8 117 Remove the Indicator Assembly page 8 118 Remove the HCF Circuit Board page 8 116 Remove the 1 screw securing the Low Paper Bracket to the HCF frame OMAN O 01 FWD Remove the Bracket 6250 274 10 Remove the 5 screws securing the Right Tray Guide to the HCF frame Service Parts Disassembly 8 119 11 Release the 7 tabs securing the Right Tray Guide to the HCF frame 6250 275 12 Carefully remove the Low Paper Lever from the slit in the Right Tray Guide 8 120 Phaser 6250 Color Laser Printer Service Manual 13 Remove the Guide Assembly Right by rotating the top in 14 Repeat Steps 11 14 to remove the lower guide 6250 276 Service Parts Disassembly 8 12 Left Tray Guide PL14 3 3 Remove both Paper Trays from the HCF Remove the Front Covers page 8 111 Remove the Left Cover page 8 112 Remove the Turn Chute Assembly page 8 113 Remove the 5 screws securing the Left Tray Guide Assembly to the HCF frame oa Bb WN Release the 6 tabs securing the Left Tray Guide Assembly to the HCF frame 6250 277 7 Remove the Guide Assembly by rotating the top inward 8 122 Phaser 6250 Color Laser Printer Service Manual 8 Repeat Steps 1 7 to remove the lower guide nag
74. Replace the Image evaluate the print Processor Board Are there defects in the print page 8 110 2 Check for an obstruction in the laser Remove the Go to Step 3 beam path between the Laser Unit obstruction or and the Imaging Unit debris Lay Imaging Unit on it s back with the IDT Rollers facing up and rotate the developer gears to remove any loose toner 3 Replace the Imaging Unit PL 9 1 3 Complete Go to Step 4 Does the image quality improve if the Imaging Unit is replaced 4 Replace the Transfer Roller Complete Go to Step 5 PL 8 1 12 Does the imaging quality improve if the Transfer Roller is replaced 5 Replace the Fuser Assembly PL Complete Go to Step 6 8 1 1 Does the image quality improve if the Fuser is repalced 6 Replace the Laser Unit page 8 68 Complete Replace the Engine Does the image quality improve if the Control Board Laser Unit is replaced page 8 107 5 18 Phaser 6250 Color Laser Printer Service Manual Repeating and or Random Spots Spots of toner are randomly scattered across the page or at a fixed repeating interval Note Depending on the type of paper and environmental conditions some light amount of random background spotting backgrounding is normal The whiter and glossier the paper the more noticeable it will be Troubleshooting Procedure S6200 276 Step Check Yes No 1 Print the Repeating Defects Page from the Troubleshooting lt gt Print Quality
75. Service Manual Jam at Duplex Jam D m Check for any obstructions or debris in the duplexer or paper path m Cycle printer power Troubleshooting Reference Table If the problem persists follow the procedure below Applicable Parts Wiring and Plug Jack Map References Duplex Sensor PL 6 1 4 Drive Section on page 10 18 Actuator Kit PL 15 1 Paper Feed on page 10 25 Chute Assembly Exit PL 7 1 7 Map 1 on page 10 6 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the following for evidence of fault Replace the Go to Step 2 or damage damaged part Chute Assembly Exit PL 7 1 7 Duplex Motor Assembly PL 7 1 8 Duplex Sensor PL 6 1 4 Duplex Actuator PL 6 1 5 Chute Assembly Out PL 6 1 1 2 Use service diagnostics to test the Duplex Go to Step 7 Replace the Sensor sensor and Does the sensor function correctly Go to Step 3 3 Does the printer function correctly after Complete Go to Step 4 the Duplex Sensor is replaced 4 Block the Duplex Sensor and verify the Go to Step 6 Go to Step 5 voltage between J 139 3 lt gt J 139 2 is 0 VDC 5 Check the Front 2 Harness for continuity Go to Step 6 Replace the See Paper Feed on page 10 25 Front 2 Harness Assembly PL 6 1 2 6 Check P 139 lt gt J 13 on the Front 1A Replace the Replace the Harness for continuity Engine Control Assembly Front See Paper Feed
76. Solenoid Tray 3 Feed Solenoid Tray 4 Feed Solenoid Maintenance Cleans the IDT rollers within the Imaging Unit Clean Imaging Unit IDT Rollers NVRAM Access This menu lets you read set or reset the following values PostScript NVRAM Reset MCU NVRAM Store Restore Toner Install Dates Toner CRUM Check CRU Life Reset CRU Life Read IP Controller Diagnostics Tests the basic functions of the Image Processor Controller Board RAM Read Write Test Exit Exits service diagnostics and reboots the printer For Authorized Service Personnel Use Only Service Menu functions are to be used by Xerox service personnel and authorized service providers only The printer can be damaged by improper use of the built in service tests Phaser 6250 Color Laser Printer Service Manual Service Diagnostic Tests Test Front Panel Display and Test Definition diagnostics Print Service Menu Map Prints the service diagnostics menu map and exits service General Status Provides the following print engine status Status lt No Status to Reports NOTE This is current status since entering diagnostics only It is not a Fault Log If Ready is reached the register is cleared No Status to Report the printer is online and ready to print Displays an engine status that will prevent printing Status is displayed sequentially one line at atime Engine Board ROM Version Engine FW Displays the engine
77. Sub HVPS is replaced 9 Check J 5011 lt gt J13 for continuity Replace the Engine Control Board page 8 107 Replace the Front 1A Harness Assembly PL 13 1 7 Print Quality Troubleshooting 5 21 Residual Image Ghosting or Hot Offset There are faint ghostly images appearing on the page The images may be either from a previous page or from the page currently printed The printer displays no error code Hot Offset A light image of the print is repeated and offset 82 mm See Repeating Defects on page 5 3 Note This type of artifact can be related to the percent coverage called out in the file being printed Verify that Color Correction is not set to None mode Troubleshooting Procedure S6200 284 Step Check Yes No 1 Was the customer printing numerous Avoid long runs of Go to Step 2 copies of the same image the same image 2 Set the paper to the next heaviest Complete Go to Step 3 type Does this resolve the problem 3 Does the ghosting appear in only Replace the Go to Step 4 one or 2 colors Imaging Unit PL 9 1 3 4 Does the image quality improve after Complete Go to Step 5 the Fuser has been replaced 5 Does the imaging quality improve if Complete Go to Step 6 the Transfer Roller is replaced 6 Does the image quality improve ifthe Complete Go to Step 7 LVPS is replaced The fuser control circuit is located on the LVPS 7 Print a
78. T4 J 6250 488 10 27 Drive Section HCF 687 0529 PIC Lg eg MP lt lt Liv ev M BC Pa gt m m oane eado ONS L8f d Ol8r Ol8d Oller 0lzd Led ez gt 4 lt ov nuvi EC va orc i lt v ve DC ev zivil eC ea nafl ecer tC E t8f d Oe Ol8d Oler 0lzd Led Y Dane et Diek jera ra fm ely iv er i iil sz 92 gt L IV tiy i va ere Ce nw Kk L la K s gt lt CJ ea za W lt ziv zv E zamen l S sz gt J lt zy eivi lt za cla fl 1C Sana E z t8f d OLBr Ol8d OLZA OLZd kar d OaAre Y20 19 U DHe K eiv zy m ela la m onara Ik eL 9 gt ga 9 joquog D lt oig va W ov vy g Ol e i s gt S 100W Sit 1 6a sapmle Ko vie Ca HA vx ud H eel YX HGS z Tan z NIC sa oa M1 ov ov pm a i yua L gt lt Za 1a E kk LY A g1 IC 02 v gt C r 18rd 018P 018d Oller 0lad kar d g S5 oant WI Zl OdAre VI Lele 78f d S97 d MAWASSY ANG Y30334 o0 Ja u koh 1d duvog 30334 HIMOT Phaser 6250 Color Laser Printer Service Manual 10 28
79. a O A A D Cj A Service Manual Power Safety Precautions Power Source For 110 VAC printers do not apply more than 140 volts RMS between the supply conductors or between either supply conductor and ground Use only the specified power cord and connector For 220 VAC printers do not apply more than 264 volts RMS between the supply conductors or between either supply conductor and ground Use only the specified power cord This manual assumes that the reader is a qualified service technician Plug the three wire power cord with grounding prong into a grounded AC outlet only If necessary contact a licensed electrician to install a properly grounded outlet If the product loses its ground connection contact with conductive parts may cause an electrical shock Disconnecting Power Turning the power off using the On Off switch does not completely de engergize the printer You must also disconnect the printer power cord from the AC outlet Position the power cord so that it is easily accessible during servicing so that you may power down the printer during an emergency Disconnect the power plug by pulling the plug not the cord Disconnect the power cord in the following cases if the power cord or plug is frayed or otherwise damaged if any liquid or foreign material is spilled into the case if the printer is exposed to any excess moisture if the printer is dropped or damaged if you suspect that the product needs servicing
80. are probably accessing the proxy server for a local address This is incorrect Open the Terminal tool and select New Window Once you have a prompt try network connectivity using the Ping command For example ping 13 62 70 112 will check for echo replies from the printer with that IP address Phaser 6250 Color Laser Printer Service Manual e In the Terminal tool try using Traceroute to determine if you are on the same subnet as your printer For example traceroute 13 62 70 112 should produce exactly one hop before completing the trace Correct as needed and retry your print job f If you still cannot connect to the printer via network try another computer 4 In MAC OSX open Print Center Check to make sure the printer status does not indicate Stopped If it does check your network and insure the host system is on the same subnet as the printer Correct if needed Delete all jobs in the queue for the printer by double clicking the printer name selecting each job and clicking Delete Restart the print queue by clicking Start Jobs Try your print job again 5 In the Print Center select your printer In the Printers menu select Show Info From the pull down menu in Printer Info make sure the model number shown for the printer is correct If the model number is wrong click the model pull down and re install Check the Installable Options and make sure they match the printer configuration If any changes are made r
81. are subdivided by major functional assembly Covers Front Cover PL 1 1 2 1 Open Door B 2 Remove the two front cover retaining clips 3 Release 4 retainer hooks securing the Front Cover to the Chute Assembly Out COVER ASSY FRONT HEAD 6250 119 Caution Do not separate the Front Cover from the Chute Assembly Out until the two wiring connectors have been disconnected 8 6 Phaser 6250 Color Laser Printer Service Manual 4 Slightly separate the Front Cover from the printer and remove connector P J220 from the Front Panel and P J 137 from the Fuser Fan 5 Remove the Front Cover Caution Reinstall the front cover retaining clips A as shown when reinstalling the Front Cover Front Panel PL 1 1 1 1 Remove the Front Cover 1 page 8 6 2 Release the 3 hooks securing the Front Panel 2 to the Front Cover and remove the Front Panel BOTTOM VEIW 6250 118 1 Front Cover 2 Front Panel Service Parts Disassembly 8 7 Fuser Fan PL 1 1 7 1 Remove the Front Cover page 8 6 2 Remove the 2 screws securing the Fuser Fan Holder item 1 to the rear of the Front Cover and remove the Fuser Fan Holder 3 Disconnect P J137 from the Fuser Fan Holder 4 Release the 4 tabs securing the Fuser Fan item 2 to the Fuser Fan Holder and remove the Fuser Fan 6250 120 Replacement 1 Assemble in reverse order Note When replaci
82. fault history list errors reported by the printer Jam error histories have a slightly different format than other error codes The correlation between the Jam Error Help Text and the equivalent Fault History Code is given in the Jam History Error Codes Table on page 3 16 When an error first occurs record the error message and code then cycle power to the printer to see if the error recurs These can be accessed one of three ways Accessing Fault History 1 Print if possible the Printer Status Page from the printer s front panel Troubleshooting Menu gt Service Tools The fault history is listed on the second page of the report 2 View the printer s fault history on the front panel Go to Troubleshooting Menu gt Service Tools gt Engine Error History Note Definitions of the fault codes that appear in the fault history are given in Printer Status Codes on page A 2 3 If the printer is connected to a network and has a TCP IP address view the printer s web page using a web browser a Open a web browser b Enter the printer s IP address as the URL c Select the Support Tab Troubleshooting Diagnostics Logs and the fault history will be displayed 4 If additional information is required print the Service Usage Profile from the printer s front panel Troubleshooting Menu gt Service Tools 3 2 Phaser 6250 Color Laser Printer Service Manual Servicing Instructions The Service Flowchart below is an o
83. firmware version installed Printer Configuration Memory MB Hard Drive Not Installed or Displays current memory installed Detects presence of Hard Drive Installed option HCF Installed Detects presence of High Capacity Not Installed Feeder option Ambient Temperature XX C Displays the current Temperature Temperature Humidity 96 and Humidity for the printer Humidity Fuser Temperature XX C Displays the printers current Fuser Temperature temperature Fault History Device Status Jams Hardware Errors Firmware Errors Fan Motors CTD ADC Sensor Errors Fuser Failure Laser Failure Life Over Trays Miscellaneous CRUMS Test Prints Prints test prints stored in the Engine Control Board The prints are used by service personnel to identify repair and validate the operability of the printer Displays Fault occurrence since last power cycle Error Messages and Codes 3 9 Standard Test Print Continuously prints the Step pattern until stopped by the user Custom Test Print Prints the test pattern using the custom print parameters defined by the user until stopped by the user Test Front Panel Display and Test Definition Blank Page Continuously prints blank pages See Front Panel Test Prints on Print until stopped by the user page 5 4 Adjustments on page 6 3 and Resetting NVRAM on page 6 4 for specific test print information Current T
84. flip existing paper over 4 Clean the pick rollers with a clean dry lint free wipe 5 Troubleshoot the paper pick roller assembly General Troubleshooting 4 15 Skewed Image 1 The image area is not parallel with the sides of the page but the printer neither jams nor displays an error code Remove the tray and ensure the paper guides are set correctly Check that the correct type of media for the tray is being used Ensure that the tray has not been over filled Skewed images are a common defect when Tray 1 MPT is overfilled Verify the paper pick rollers are installed correctly 6 ka Clean the pick rollers with a clean dry lint free wipe Troubleshoot the paper pick roller assembly Damaged Prints The printed page exits the printer either wrinkled creased or torn The printer neither jams nor displays an error code 1 Stop the page at various points in the paper path to determine where the media becomes damaged See Paper Path Route on page 2 15 for more information 2 Try using the next heaviest type of paper For more information print the Paper Tips Page from the printer s Printable Pages Menu 3 Feed paper through the printer from each of the available trays Is the paper damaged when fed out of one tray but not when fed out of the others If so inspect the tray for damage ensure that the media guides are set correctly and verify that the proper media is being used 4 If medi
85. g m2 26 60 Ib Cover Tray 1 Only Thick Card Stock 160 216 g m2 59 80 Ib Cover Tray 1 Only Labels N A Tray 1 amp 2 Letterhead 85 130 g m2 22 28 Ib Bond All Trays Glossy Coated Paper 120 163 g m2 81 110 Ib All Trays Business amp Greeting Cards N A Tray 1 Only CD DVD Labels and InsertsN A Tray 1 Only Digital Photo Paper 163 g m2 60 Ib Cover Tray 1 Only Phaser Premium Post 176 g m2 65 Ib Cover Tray 1 Only cards Phaser Glossy Trifold 176 g m2 65 Ib Cover Tray 1 Only Brochures Phaser Weatherproof 100 g m2 27 Ib Bond Tray 1 amp 2 Paper Supported Envelopes Weight 20 24 Ib Bond Tray 1 Only Envelopes Commercial 10 4 12 x 9 5 in Monarch Envelope 3 87 x 7 5 in A7 Envelope 5 25 x 7 25 in Custom DL Envelope 110 x 220 mm C5 Envelope 162 x 229 mm C6 Envelope 114 x 162 mm B5 Envelope 176 x 250 mm Envelopes with hot melt type glue are not supported in this printer Do not use envelopes with windows or metal clasps Some wrinkling and embossing may occur when printing envelopes 1 14 Phaser 6250 Color Laser Printer Service Manual Specification Trays Speciality Phaser 25 Series Premium Transparencies Media Letter 216 x 279 mm 8 5 x 11 in Trays 1 amp 2 A4 210 x 297 mm 8 27 x 11 69 in Only Other sizes will be handled through Tray 1 with use of the custom size option Phaser Premium Postcards Letter 216 x 279 mm 8 5 x 11 in Tray 1 Only A4 210 x 297 mm 8 27 x 11 69 in Tray 1 Only
86. harness show CRUM harness continuity RFID2 PL 10 1 19 6 Check continuity of the harness RFID Replace the Replace the J34 J3411 Does the harness show Engine Control harness assembly continuity Board page 8 107 RFID PL 13 1 13 Y M C K Toner Cartridge Failure Code 86 87 88 89 A CRUM error occurred in the yellow magenta cyan or black toner cartridge Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Genuine Xerox toner cartridge consumable PL 10 1 7 10 Developer Section 1 on page 10 19 Troubleshooting Procedure Table Step Actions and Questions Yes No 1 Remove top cover and ensure that Complete Go to Step 2 cartridge is locked in position Does the error clear after locking the cartridge 2 Does the error recur after the pertinent Go to Step 3 Complete toner cartridge has been replaced 3 Check connection of the CRUM reader Go to Step 4 Reconnect CRUM board to CRUM harness connector J341 reader board to Is the harness properly connected the harness 4 Replace the CRUM reader board PL Go to Step 5 Complete 10 1 21 Does the error recur after the CRUM reader board has been replaced 5 Check J341 lt gt J3411 of CRUM harness Go to Step 6 Replace CRUM RFID2 for continuity harness RFID2 PL 10 1 19 3 82 Phaser 6250 Color Laser Printer Service Manual Troubleshooting Procedure Table Step
87. jam can be caused by several components within the printer The initial actions outlined below may provide some basic information needed to identify the source of the problem After completion of the Initial Actions use the Troubleshooting Procedure Table to isolate and correct the specific problem Initial Actions 1 10 11 Query the customer about the types of paper being used If it is not on the recommended media list attempt to determine if this could be contributing to the jamming Recycled multi purpose or copier papers tend to contaminate the paper path rollers sensors etc and may necessitate more frequent cleaning Constant use of special papers such as labels or business cards can also contribute to a higher jam rate Make sure the correct tray loading and setup procedures are followed securing the tray backstop and guides selecting the correct paper type at the Control Panel fanning the paper etc Make sure the printer is plugged directly into an electrical outlet Using extension cords or a power strip is not recommended Make every attempt to establish a jam rate prior to starting any work If possible print a Printer Status page or usage profile report and note the page count between jams Try to determine if the jamming is occurring in one tray but not another This will help identify any dirty or defective parts Clear the paper path of any existing jams and paper debris Start at th
88. located as follows 2 on the rear under the card cage 1 on the left side below the Sub HVPS board and 1 on the right at the rear of the LVPS 15 Remove the 4 screws still securing the Card Cage to the printer and remove the card cage 8 104 Phaser 6250 Color Laser Printer Service Manual 16 Carefully slide the Card Cage free while ensuring that cables do not catch and get damaged Replacement Notes Caution When reinstalling the Card Cage make sure the Chute Assembly Registration and the Housing Assembly Bias are installed after reinstalling the Card Cage to prevent damaging the bias springs Note The black connector P30 and the beige connector P23 on the Engine Control Board are not used Service Parts Disassembly 8 105 Housing Assembly Contact PL 12 1 14 1 Remove the Card Cage Assembly page 8 103 2 Release the 2 tabs securing the Housing Assembly Contact to the Card Cage and remove the Housing Assembly Contact 6250 233 Replacement Notes Note Insert the rear tab first for easier reassembly Ensure that the assembly is fully seated 8 106 Phaser 6250 Color Laser Printer Service Manual Engine Control Circuit Board PL12 1 1 Caution Critical printer specific information is stored in the engine NVRAM Save this information to the Image Processor Board using the Service Diagnostic NVRAM Access MCU NVRAM Store Restore function Detailed information is provided in Service Diagnostic Tests on page 3
89. media Ensure that the media guides are properly adjusted Reinstall the tray Cycle printer power If the problem persists follow the procedure below Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References No Paper Sensor PL 3 3 4 Tray 2 PL 14 4 4 or 15 4 4 Trays 3 amp 4 Paper Tray 2 on page 10 17 Paper Tray 3 on page 10 29 or page 10 33 Paper Tray 4 on page 10 30 Link Actuator PL 3 3 6 Tray 2 PL 14 4 6 or 15 4 6 Trays 3 amp 4 No Paper Actuator PL 3 3 5 Tray 2 PL 14 4 5 or 15 4 5 Trays 3 amp 4 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Fill Tray Go to Step 2 Complete Does the error occur even if the tray is full 2 Check the following for evidence of fault or Replace the Go to Step 3 damage parts No Paper Sensor PL 3 3 4 PL 14 4 4 or PL concerned 15 4 4 No Paper Actuator PL 3 3 5 PL 14 4 5 or PL 15 4 5 3 Use service diagnostics to test the Tray No Replace Engine Go to Step 4 Paper Sensor Control Board Does the sensor function correctly page 8 107 4 Does the printer function correctly after replacing Complete Go to Step 5 the Engine Control Board 5 Troubleshoot using the wiring diagram Paper Complete Replace the Tray 2 on page 10 17 Paper Tray 3 on Engine Control page 10 29 or page 10 33 Paper Tray 4 on Board page 10 30 page 8 107
90. menu list This control does not wrap Used to increment data in tests requiring user input DOWN Srolls down one menu item within a menu list This control does not wrap the end of a menu list is designated by three asterisks Used to decrement data in tests requiring user input OK Enters the highlighted menu Executes the current test item Used to select a data value entered by the user Error Messages and Codes 3 7 Diagnostic Menu Map Print Service Menu Map Prints a service diagnostic menu map and exits service diagnostics General Status Provides the following print engine status Status Engine Board ROM Version Printer Configuration Ambient Temp Humidity Fuser Temperature Fault History Test Prints Prints Test Prints stored in the MCU The prints are used by service personnel to identify repair and validate the operability of the printer Blank Page Print Standard Test Print Custom Test Print Current Custom Test Print Set up Custom Test Print Parameters Motors Fans Tests Tests the functionality of motors and fans by giving service personnel the ability to energize de energize the motor and fans one at a time Main Motor Duplex Motor Fuser Motor Developer Motor HCF LTA Motor Toner Motor Yellow Toner Motor Magenta Toner Motor Cyan Toner Motor Black Rear Fan Fuser Fan Sensor Switch Tests Test the functionality of sensors and switches by giving service personnel the ability to input
91. of the drum charging voltage and biasing DC voltage 2 Bias control test patches see the adjacent figure for patch configuration of each of the four toner colors nk yellow magenta cyan and black are generated and A a transferred to the Transfer Roller Y About 12mm Vv 3 The CTD ADC Sensor compares an area on the About 3mm Transfer Roller where no toner is present with the test M patches to determine toner density for each of the four About 57mm colors 4 The density measured in Step 3 is compared with the q target value set in Step 1 and the resulting difference is used to adjust the drum charging voltage and the K biasing DC voltage for each toner color 6250 069 Toner Density Control Toner density must be kept constant to attain a stable print image To achieve this goal the rate at which toner is dispensed must be adjusted to exactly match the rate at which it is consumed There are two systems that work in conjunction to control toner density the Pixel Count Dispense Control PCDC and the Toner Density Control CTD The CTD uses data from the ADC sensor measured as described in the preceding paragraphs covering bias control PCDC The amount of toner consumed in the developing process is calculated by counting the digital pulses applied to the Laser Unit The toner motor is then driven for a period determined by the calculated result to supply toner to the developer equivalent
92. on page 10 25 Troubleshooting Procedure Table Sieps Actions and Questions Yes No 1 Check the following for evidence of faultor OHP Sensor and Go to Step 3 damage Harness page 8 75 OHP Sensor and Harness PL 9 1 12 Assembly Chute Chute Assembly Registration PL 9 1 6 Registration Replace parts as required page 8 71 2 Does printer function correctly Complete Go to Step 3 3 Using service diagnostics test the OHP Replace Engine Go to Step 5 Sensor Control Board Does the OHP Sensor function correctly page 8 107 4 Does printer function correctly Complete Go to Step 5 5 Check voltage between P J32 2 lt gt P J Go to Step 6 Go to Step 8 32 1 on Engine Control Board is OVDC 6 Block the OHP Sensor Has P J32 2 lt gt P Replace Engine Go to Step 8 J32 1 changed from 0 VDC to 3 3 VDC Control Board page 8 107 Does printer function correctly Complete Go to Step 8 8 Verify the voltage between P J32 3 lt gt P Replace the OHP Replace Engine J32 1 on the Engine Control Board is Sensor page 8 75 Control Board 5 VDC page 8 107 Error Messages and Codes 3 67 Fatal Errors Laser Failure Code 07 Laser power has failed Code 08 SOS start of scan failure 1 Code 09 SOS failure 2 Code 10 Warm up failure Code 11 This is the generic laser fault used by the engine if a lower level error cannot be reported to the controller Troubleshooting Reference Table Appli
93. or repair whenever you clean the product vi Phaser 6250 Color Printer Electrostatic Discharge ESD Precautions Some semiconductor components and the respective sub assemblies that contain them are vulnerable to damage by Electrostatic discharge ESD These components include Integrated Circuits ICs Large Scale Integrated circuits LSIs field effect transistors and other semiconductor chip components The following techniques will reduce the occurrence of component damage caused by static electricity Be sure the power is off to the chassis or circuit board and observe all other safety precautions Immediately before handling any semiconductor components assemblies drain the electrostatic charge from your body This can be accomplished by touching an earth ground source or by wearing a wrist strap device connected to an earth ground source Wearing a wrist strap will also prevent accumulation of additional bodily static charges Be sure to remove the wrist strap before applying power to the unit under test to avoid potential shock After removing a static sensitive assembly from its anti static bag place it on a grounded conductive surface If the anti static bag is conductive you may ground the bag and use it as a conductive surface Do not use freon propelled chemicals These can generate electrical charges sufficient to damage some devices Do not remove a replacement component or electrical sub assembly from its pro
94. orientation of the springs for reassembly A long eye hook attaches to the shaft 5 Remove the 2 springs item 1 and 4 from the left and right sides of the shaft Note In the following Step do not lose the pins when moving the CAMs 6 Release the tab securing each CAM in position and slide the CAMs item 3 in 7 Slide the shaft to the right and remove 6250 191 8 60 Phaser 6250 Color Laser Printer Service Manual Tray 1 Bottom Plate PL 6 1 42 1 Remove the Chute Out Assembly page 8 47 2 Remove the 2 screws securing the plate item 1 to the Chute Out Assembly 3 Remove the left and right springs from the Tray 1 Shaft Note In the following Steps shift the actuator out of the hole in the Plate bottom when removing the Plate 4 Remove the Tray 1 Bottom Plate Assembly item 2 6250 192 Reassembly Notes Note Ensure that Tray 1 Bottom Plate is properly seated on locator pins before tightening the retaining screws the locator pins are plastic and can be damaged Service Parts Disassembly 8 61 Chute Assembly Exit Chute Assembly Exit PL 7 1 1 A OND a 8 62 Remove the Front Cover page 8 6 Remove the Front Left Cover page 8 16 Disconnect P J131 and shift the harness to the side of the Chute Assembly Out Remove the 2 screws the upper screw is attached to the static discharge harness securing the Chute Assembly Exit to the Chute Assembly Out ACTUATOR FULL
95. output is extremely high the controller will signal that the sensor is faulty 2 Light Density Adjustment At the execution of automatic density control the light density adjustment is made just before the patches for toner density control are generated Light is emitted from the LED using the current light density setting to check if the output value of the CTD ADC sensor is within the specified range If the output value is low light density is increased If the output value is high the light density is decreased If the output value is less than the first lower limit the controller signals the sensor as dirty and generates a warning If the output value is less than the second lower limit the controler signals that the sensor is faulty and stops the printing Color Registration Control The printer uses a quad system where drums and developers are used exclusively for each of the four colors yellow magenta cyan and black Images are formed on the drums in the respective colors and then layered to form one image To avoid a positional shift between the different color images the color registration control calculates how much the registration has shifted by comparing each of the other color patches in the registration string to the black bar that precedes it Shift is corrected by adjusting the laser write timing to compensate Color registration control is made depending on the internal temperature and print count at the ex
96. performing this test CTD ADC Dark Value Status only Sensor Light Value Remove the transfer roller to Sensor OK observe change of state Error Messages and Codes 3 13 Test Front Panel Display and Test Definition OHP Sensor OHP Reports Paper if opaque media is Absence of Media present Paper Reports OHP or Absence of Media if OHP or no media is present Manually insert a sheet of paper backwards through the Registration Chute Assembly PL9 1 6 until the state of the sensor changes to Paper Fuser Center Temp Sensor lt Fuser Center Temp Sensors Fuser Not Ready Sensor Failure is OK Remove fuser to change sensor state Fuser Edge Temp Sensor lt Fuser Edge Temp Sensors Fuser Not Ready Sensor Failure is OK Remove fuser to change sensor state Fuser Center Temp Amplifier lt Fuser Center Temp Amplifier gt Fuser Not Ready Temperature Amplifier Failure is OK Remove fuser to change sensor state Fuser Temp Compensation lt Fuser Temp Compensation gt Fuser Not Ready Compensation Failure is OK Clutch Tests Tests the functionality of the clutches by giving service personnel the ability to energize de energize one clutch at a time Remove fuser to change sensor state Registration Clutch Tray 1 MPT Turn Clutch Tray 2 Turn Clutch Tray 3 Turn Clutch Tray 4 Turn Clutch Clutch is ON Clutch is OFF
97. press OK 1 Highlight Configuration Page on the Printer Setup menu and press OK the Configuration Page will print Or scroll to highlight Network Log Pages on the Troubleshooting menu and press OK 2 Highlight the appropriate menu item from the list and select OK 3 The selected log page will print 4 20 Phaser 6250 Color Laser Printer Service Manual Print Quality Troubleshooting In this chapter m Print Quality Problems Overview E ront Panel Test Prints F m Service Test Prints m Print Engine Test Print P rint Quality Troubleshooting Chapter s Print Quality Problems Overview Print quality defects can be attributed to printer components consumables media internal software external software applications and environmental conditions To successfully troubleshoot print quality problems as many variables as possible must be eliminated The first Step is to generate prints using printable pages embedded in the printer on laser paper from the supported media list The paper should be from an unopened ream that has been acclimated to room temperature and humidity See the supported media list in Xerox Supplies and Accessories on page 9 51 for media that has been tested and approved for use in the Phaser 6250 printer If the print quality defect is still present when printing on approved media from an unopened ream then software applications and environmental conditions need to be researched Print the Printer
98. process Imaging System 4 tandem drums electro photographic system using intermediate drum transfer rolls IDTs Exposure System Semiconductor laser simultaneous scanning by 4 beams Development System Dry type 2 component developer Fusing System Heat fusing free nip belt system Color medium Yellow Magenta Cyan and Black Toner Cartridges Resolution Addressability Draft 600 x 600 dpi Enhanced 2400 x 600 dpi Default Photo 2400 x 600 dpi Not available on the Phaser 6250B Operating Modes Print Mode Print Engine capable of making prints immediately Ready Mode 20 seconds from completion of a print Sleep Low Power Power Saver Mode Entered after a specified period of Print Engine inactivity since completion of the last print Continuuous Operating Printing Speed ppm pages per minute ipm inches per minute Mode Paper Size wt g m Simplex Duplex 600 2400 dpi Letter A4 65 130 26 24 ppm 15 ipm 100 163 13 12 ppm 7 8 ipm 160 216 13 12 ppm N A 600 2400 dpi Legal 65 130 19 ppm 16 ipm 100 163 10 ppm 7 8 ipm 160 216 10 ppm N A 600 2400 dpi Envelope Postcard 160 216 13 ppm N A 600 2400 dpi Letter A4 OHP 8 6 8 ppm Letter A4 Photo Glossy Paper 8 6 8 ppm 5ipm 100 200 Cleaning Cycle interval for continuous printing Print speed will be reduced if the print job is larger than the cleaning cycle interval IU Print Volume Draft Enhanced Photo Pages Pages Pages 0
99. screws Parts List 9 45 PL 15 3 500 sheet Feeder Guides and Turn Chute Assembly gt i Le lt TE a V 1 with 3 and 4 V 2 with 5 and 6 p by 6250 428 9 46 Phaser 6250 Color Laser Printer Service Manual PL 15 3 500 sheet Feeder Guides and Chute Service Parts List Table ID No Part Number Qty Name Description 1 Guide Assembly Left with 3 and 4 NS 116 1491 00 2 Guide Assembly Right with 5 and 6 NS 3 116 1515 00 1 Guide Tray Left 4 116 1351 00 1 Paper Tray Stopper 5 116 1516 00 1 Guide Tray Right 6 116 1343 00 1 Assembly Paper Size Switch 7 116 1336 00 1 Assembly Turn Chute 8 Cover Paper Tray Rear Parts List 9 47 PL 15 4 Paper Pick Assembly Tray 3 V1 with 2 5 7 23 E YI Ea i 2 ao 3825 22 1 21 V 98 with 3X2pcs V99 with 8 11 15 and 19 6250 429 9 48 Phaser 6250 Color Laser Printer Service Manual PL 15 4 Paper Pick Assembly Tray 3 Service Parts List Table ID No Part Number Qty Name Description 1 116 1517 00 1 Paper Pick Assembly LTA with 2 5 7 23 2 1 Shaft Feed 1 NS 3 116 1353 01 2 Paper Pick Roller Kit 2 per order 4 116 1354 00 1 Sensor No Paper Low Paper 5 116 1355 00 1 Actuator No Paper 6 116 1356 00 1 Actuator Link Not included with Item 1 7 3 Bearing Metal
100. size switch uses this rear guide to detect the paper size Theory of Operation 2 19 Paper Feed Tray 2 6250 056 1 Temperature Humidity Sensor Detects temperature and humidity inside the printer to adjust the charge voltage the voltage supplied to the transfer roller and the developing bias 2 No Paper Sensor Detects presence or absence of print media in the tray based on the position of the Actuator 3 Paper Pick Rollers When the feed solenoid energizes the spring feed force engages the gear feed and the gear idler feed to turn and feed the paper from the paper tray This activates the pick up assembly After completion of one turn determined by a cutout in the gear feed the gear feed and the gear idler feed are disengaged stopping the paper retard feed roller This allows one sheet to be fed at a time 4 Turn Clutch Assembly Transfers the drive energy from the main drive assembly to the roll turn assembly 5 Paper Size Switch Detects print media size and installation of the paper tray 6 Gear Feed See Paper Pick Rollers 7 Spring Feed See Paper Pick Rollers 2 20 Phaser 6250 Color Laser Printer Service Manual 10 11 12 Gear Idler Feed See Paper Pick Rollers Feed Solenoid Controls the operation rotation stop of the Feed Roller Assembly by controlling the rotations of the Gear Feed Low Paper Sensor The actuator lowers as print media is used in the tray When the actuator lowers to a p
101. the Feeder Assembly by placing your hands into the front and back cavity of the paper tray The right and left sides of the Printer Chassis are extremely sharp 10 Lift the entire printer chassis off the Feeder Unit Assembly Replacement Notes Caution When replacing the Printer Chassis ensure that none of the wiring harnesses between the Printer Chassis and Feeder Assembly are pinched Service Parts Disassembly 8 21 Paper Pick Assembly PL3 3 1 1 Remove the Printer Chassis from the Feeder Assembly page 8 20 2 Disconnect P J471 yellow from the Paper Size Switch in the Feeder Assembly 3 Carefully free the wires yellow blue from their guides noting the postion of the wires for reassembly 4 Remove the 2 screws securing the Paper Pick Assembly from the Feeder Assembly 5 Raise the Paper Pick Assembly item 2 out of the Feeder Assembly item 1 6250 162 Replacement Notes Caution Ensure that all wiring is dressed properly and secured under the retaining tabs to prevent damage during reassembly 8 22 Phaser 6250 Color Laser Printer Service Manual Right and Left Housing PL 3 2 1 Remove the Paper Pick Assembly page 8 22 2 Remove the 4 screws securing the Left Right Housing to the bottom plate 3 Lean the top of the housing in slightly towards the center and release the 3 retaining hooks from the holes in the bottom plate LEFT 6250 150 6250 152
102. the Motor Driver Board is 0 VDC Close the Front Cover during the check Control Board page 8 107 Driver Board page 8 101 Error Messages and Codes 3 4 Consumable Errors Install or Reseat Imaging Unit Remove and reseat the Imaging Unit Ensure that Door C is fully closed Cycle printer power If the problem persists follow the procedure below Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Imaging Unit PL 9 1 3 Laser Unit on page 10 22 Fuser Assembly on page 10 21 Troubleshooting Procedure Table Step Actions and Questions Yes No 1 Remove the Imaging Unit Remove foreign Go to Step 2 Inspect the printer cavity for damage materials foreign material and loose toner under the Vacuum out loose auger area which could prevent the toner if found Imaging Unit from being seated properly Is there foreign material or damage 2 Inspect and reseat the Imaging Unit Replace the Imaging Go to Step 3 checking for possible defects or damage Unit PL 9 1 3 3 Remove the left cover Damage can occur if Go to Step 4 Check the Gear Slide and the Rack V for the Gear and Rack are damage or misalignment not in the proper See Toner Cartridge Holder Unit position With Door C Assembly PL 10 1 on page 8 77 for open push the Rack V more information up as far as it can go and then reinstall the gear s
103. the Plate Assembly Dispenser PL Assembly 10 1 13 damaged Dispenser page 8 77 6 Check the connection of the CRUM Go to Step 7 Reconnect the Harness PL 10 1 12 to the connector harness block Is the harness properly connected 3 84 Phaser 6250 Color Laser Printer Service Manual Troubleshooting Procedure Table Steps Actions and Questions Yes No 7 Replace the EEPROM board PL 10 1 14 Go to Step 8 Complete Does the error recur after the EEPROM board has been replaced 8 Check J710 lt gt J71 of the CRUM Go to Step 9 Replace the Harness for continuity CRUM Harness PL 10 1 12 9 Check J71 lt gt J140 of the EEPROM Replace the Engine Replace the Harness for continuity Control Board EEPROM page 8 107 Harness PL 13 1 10 Environmental Sensor Failure Code 102 Indicates an error was detected in the environment sensor circuit Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Temperature Humidity Sensor PL 3 2 2 Xerographics 1 on page 10 23 Temp Humidity Harness PL 3 2 1 Xerographics 2 on page 10 24 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Use service diagnostics to test the Go to Step 2 Replace the Temp Temperature Humidity Sensor Hum Sensor Does the sensor function correctly page 8 24 2 Does the error recur after replacing the Go to Step 3 Complete Temperature Humidity Sens
104. the inside of the Chute Assembly Out Slide the Holder Latch item 2 to the right and remove Remove the Latch Out item 1 from the Holder oa Bb OW N 6250 184 Service Parts Disassembly 8 57 Tray 1 Paper Pick Assembly PL 6 1 27 Roll Feed 1 Remove the Front Left Cover page 8 16 2 Release the tab securing the roll core item 1 to the shaft and slide right 3 Push down on the Tray 1 metal plate item 2 and feed roller 4 Slide the Paper Pick Roller item 3 to the right and pull out the front to remove 6250 186 8 58 Phaser 6250 Color Laser Printer Service Manual Tray 1 Feed Solenoid PL 6 1 40 1 Remove the Chute Assembly Out page 8 47 2 Unhook the N F Tray 1 spring item 1 from the Solenoid Stopper item 2 3 Disconnect P J132 orange wires from the Solenoid and shift the wires out of the cable guides on the Chute Assembly Out 4 Remove screw securing the Feed Solenoid item 3 to the Chute Assembly Out and remove 6250 189 Reassembly Notes Note Make sure the solenoid seats properly on the aligning pins The pins are plastic Service Parts Disassembly 8 59 Tray 1 Shaft PL 6 1 28 Remove the Chute Assembly Out page 8 47 Remove the spring from the Solenoid Stopper item 2 Release the tab securing the Solenoid Stopper to the shaft and remove A Q N Release the tab on the Tray 1 Gear item 5 and remove the gear Note Note the
105. the wiring diagram Fuser Assembly on Harness FSR4 page 10 21 PL 5 1 9 3 78 Phaser 6250 Color Laser Printer Service Manual Troubleshooting Procedure Table Step Actions and Questions Yes No 6 Check continuity of Harness Assembly Replace the Replace EEPROM between J144 lt gt J140 Engine Control EEPROM Board page 8 107 Harness Assembly PL 13 1 10 Controller to Engine Communications Failure Code 81 This is a communication failure between the Image Processor Board and the engine control board Note When replacing the Image Processor Board the NVRAM memory configuration chip i button and hard drive must be transferred to the new Image Processor Board When replacing the Engine Control Board the Store Restore functions can be used to transfer data from the NVRAM to the new board instead of transferring the NVRAM Troubleshooting Procedure Table Step Actions and Questions Yes No 1 Cycle power to the printer Is the error Complete Go to Step 2 cleared 2 Is the error cleared by reseating the Complete Replace the Image Processor Board to Engine Control Image Processor Board Board page 8 110 3 Is the error cleared after replacing the Complete Replace the Image Processor Board Engine Control See note above Board page 8 107 Error Messages and Codes 3 79 Engine NVRAM Error Code 83 Engine NVRAM is corrupted or receiving wrong data from a CRUM T
106. the wiring harness If you go through the procedures in a troubleshooting table and still are unable to solve the problem re read the Theory of Operations for the problem area and ensure that you understand how that section of the printer is supposed to function Printer Status Page The Printer Status Page is a two page printout that provides a great deal of useful troubleshooting information Go to Troubleshooting Service Tools Printer Status Page and press OK to print these pages The first page includes general information about the printer including firmware versions page count feature set and consumables installation dates and remaining life This page also provides color registration calibration and print target examples The second page provides a rolling log of the last 50 printer faults with date page count description and fault code For troubleshooting information related to fault error codes refer to Error Messages and Codes Summary Table on page 3 17 For additional information refer to the Printer Status Codes on page A 2 Power Up Modes Connector J160 on the back edge of the Image Processor board allows selection of various power up modes of operation that can be used for troubleshooting purposes To access these modes turn off the power and comnect a jumper between the pin or pins indicated with an X in the following table and either of ground pins G 1 or 6 Power Up Mode Selection Mode Selection 1 2
107. to include the following information m Component s part number m Product type or model number m Serial number of the printer Serial numbering Particular fields in the serial number indicate the modification level of the printer the date of its manufacture and the sequence number of the printer produced on that day The serial number is coded as follows m The text S N followed by the serial number in the barcode m The barcode does not include a field identifier m The nine digit serial number is based on the following format PPPRSSSSS PPP Three digit alphanumeric product code Product Model Voltage Product Code 6250 B N DP DT DX 110V PWG 6250V B N DP DT DX 220V PWH R Single numeric revision digit To be rolled when a major product change occurs Code change is initiated with a change request SSSSS Five digit numeric serial number Serial Number Example PWG453072 PWG Product code for the 110V Printer 4 Revision level 53072 Serial number 9 2 Phaser 6250 Color Laser Printer Service Manual Using the Parts List 1 No The callout number from the exploded part diagram 2 Part Number The material part number used to order specific parts Note An asterisk following the part number identifies parts that are unique to the Phaser 6250 Color Laser Printer All other part are common with the Phaser 6200 Color Laser Printer 3 Qty This number represents
108. to the amount dispensed CTD ADC The toner test patches of each color yellow magenta cyan and black are generated and transferred to the transfer roller as specified in the Bias Control section The CTD ADC sensor measuers the density of each patch The printer adjusts the toner dispense time which changes the quantity of toner to be dispensed This calculation is made separately for each color The CTD adjustment is made following completion of printing if either of the following conditions is satisfied m Cumulative print count since power on exceeds 16 pages m When a cleaning cycle is executed during continuous printing If either of the preceding control calculations results in an adjustment to the toner quantity to be dispensed the result is calculated in terms of number of revolutions of the Toner Motor For this description this value is called the dispense count The dispense count calculated as specified above is implemented over the next 8 prints If 16 dispense counts are required as a result of low toner density during the CTD calculation 2 dispense counts are added during each of the next 8 prints This is in addition to any counts added or subtracted during each print as a result of PCDC Theory of Operation 2 7 If toner density is too great excess toner and 16 dispense counts are required to subtract this amount the adjustment is accomplished by subtracting 2 counts from the calculated PCDC count over each of
109. tray is loaded with supported media Ensure that the media guides are properly adjusted Reinstall the tray Cycle printer power If the problem persists follow the procedure below Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References MPT No Paper Sensor PL 6 1 4 Paper Feed on page 10 25 MPT actuator PL 6 1 37 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Fill Tray 1 MPT with paper Go to Step 2 Complete Does the error occur even if Tray 1 is full 2 Check the following for evidence of fault Replace the parts Go to Step 3 or damage concerned MPT No Paper Sensor PL 6 1 4 MPT actuator PL 6 1 37 3 Use service diagnostics to test the MPT Replace the Go to Step 4 No Paper Sensor Engine Control Does the Sensor function correctly Board page 8 107 4 Replace the MPT No Paper Sensor Go to Step 5 Complete Does the error recur after the sensor is replaced 5 Troubleshoot using the wiring diagram Replace the Complete Paper Feed on page 10 25 Does the problem recur after any defective parts are replaced Engine Control Board page 8 107 Error Messages and Codes 3 61 Out of Paper Load Tray 2 3 4 with size type Remove Tray 2 3 4 and inspect the tray cavity of the printer to ensure that it is free of obstructions or debris Ensure that the tray is loaded with supported
110. 0 PIJ71 PIJ140 PIJ165 P J6T H PL10 1 13 i PGH PIJTGA i P Ja73 Low Paper Sensor H PL3 3 4 PWBA EEPROM PIAS PIJ144 PEIDA pja74 SOLENOID FEED PL3 3 17 0 23 SENSOR TONER FULL P3142 PIAT PiJi2 PIJa2 PLE 1 13 CLUTCH ASSY TURN P J475 PL Bj Pi SENSOR HUM TEMP 7 1 J231 PIJ2361 PL3 2 2 MAINDAIVEASSY 101 PL11 1 14 SENSORADC ASSY Pitas PNT KR DEVE DRIVE ASSY PL11 1 13 mm PPasoso P5011 TRANSFER T saws PANER DRIVE ASSY ROLLER j F620 PL10 1 15 PLB 1 12 MOTOR ASSY DUP EEH P J702 E FAN FUSER a PAST Bey P J701 10 1 I Faror SENSOR No TONER Y 1 PBT PL10 1 5 0 24 I H SENSOR NO TONER M P J805 i PUT stats P1804 i SENSOR NO TONER C I PATO P1101 5 P J601 T i SENSOR NO TONER K i PUTO 31 NGOR PIJ603 PWBA CRUM READER I P342 o 101 48 P J604 l P J34 PIJ3411 3 2 0 25 sed Dup Jam Sensor Peis PIJ133 PIJ139 i Ping Full Stack Sensor PL6 1 4 MSI No Paper Sensor PL6 1 4 PMSS P J134 ae FEED MSI 10 2 PL6 1 40 rna rT Toner Malo Regi Sensor i Pitat Toner Motor M PLO 1 8 i PABI2 PL10 1 1 Regi Clutch Piga7 Ton
111. 0 Phaser 6250 Color Laser Printer Service Manual PL 14 4 Paper Pick Assembly Trays 3 amp 4 Service Parts List Table ID No Part Number Qty Name Description 1 116 1517 00 1 Paper Pick Assembly LTA with 2 5 7 23 2 1 Shaft Feed 1 NS 3 116 1353 01 2 Paper Pick Roller Kit 2 per order 4 116 1354 00 1 Sensor No Paper Low Paper 5 116 1355 00 1 Actuator No Paper 6 116 1356 00 1 Actuator Link Not included with item 1 7 3 Bearing Metal NS 8 1 Gear Feed 1 NS 9 1 Spring Feed 1 NS 10 1 Spring Feed H NS 11 1 Gear Feed H2 NS part of 99 12 1 Gear Feed H1 NS part of 99 13 1 Gear Feed 2 NS part of 99 14 1 Gear Idler Feed NS part of 99 15 1 Gear Idler NS part of 99 16 1 Clutch Stopper NS 17 116 1361 00 1 Feed Solenoid 18 116 1362 00 1 Assembly Turn Clutch 19 1 Gear Idler In NS part of 99 20 116 1363 00 1 Assembly Roll Turn 21 2 Bearing Black NS 22 1 Shaft Feed 2 NS 23 116 1331 00 2 Paper Feed Roller Kit 2 interchangeable rollers per order 99 116 1367 00 1 Paper Feed Gear Kit with 8 11 15 and 19 Parts List 9 4 PL 14 5 High Capacity Feeder Harness Board and Motor oS J8220 4 P8220 6250 485 9 42 Phaser 6250 Color Laser Printer Service Manual PL 14 5 High Capacity Feeder Harness Board Motor Service Parts List Table
112. 00 cece cece eee cent e ene 4 20 5 Print Quality Troubleshooting Print Quality Problems Overview 0 cece cece cease 5 2 Defects Associated with Specific Printer Components 5 3 Front Panel Test Prints 5 4 Test Print 1 CMYK Sample Page 0 00 eee 5 4 Test Print 2 RGB Test Print a 5 5 Service Test Prints 26 a a aba GA goad riino e hinh 5 6 Test Print 3 Test Pattern Sample a 5 6 600 x 600 Service Test Print 0 ccc cece eee 5 8 Print Engine Test Print 5 9 Print Quality Troubleshooting 0 ccc eee eee eae 5 10 Light PRINS cae kama kh apa baka nA showered oes aes 5 10 Light Print in Only One Color a 5 11 Blank Prints nn KANG NAKAT sate ew alee dee 5 13 Black Prints with White Margin Border 5 14 Solid Dark or Dirty Prints No Border 5 15 xvi Phaser 6250 Color Printer Missing Band Voids Or Streaks In a Single Color or All Colors Parallel to the Leading Edge a 5 16 Missing Band Voids or Streaks in a Single Color or All Colors in Di rection of Paper Travel 5 18 Repeating and or Random Spots nnan 5 19 Background Contamination anaana aaaea nnnna 5 20 Residual Image Ghosting or Hot Offset 5 22 Incomplete Fusing or Cold Offset 0 5 23 Mis Registration Color Layer not Correctly Registered in the Process DIRECTION sie sens na Lk NG dhe
113. 1 to the Chute Assembly In item 2 Caution The CTD Sensor is under spring tension be careful not to damage or lose the springs 4 Raise the sensor slightly to disconnect P J136 yellow from the Chute Assembly In 5 Remove the CTD Sensor 6 Remove the springs item 3 from the Sensor CTD ADC Assembly 6250 170 Replacement Notes Note The left spring has an aligning post on the Chute Assembly In 8 42 Phaser 6250 Color Laser Printer Service Manual Toner Full Sensor PL 5 1 13 Open Door A Remove the Transfer Roller Assembly Routine Maintenance Item page 8 4 Disconnect P J142 from the Chute Assembly In Release 2 tabs securing the Toner Full Sensor with a small screwdriver a fF Q N a Remove the Toner Full Sensor from the Chute Assembly In 6250 171 Service Parts Disassembly 8 43 Fuser Drive Assembly PL 5 1 18 Remove the Chute Assembly Out page 8 47 Remove the Chute Assembly In page 8 41 Remove Right Latch Door A page 8 45 Remove the 1 screw securing the fuser ground wire to the Fuser Drive Assembly a fF Q N Carefully remove the harness attached to the Fuser Drive Assembly from the cable guides in the Chute Assembly In housing 6 Remove the 3 screws securing the Fuser Drive Assembly to the Chute Assembly In 7 Remove the Fuser Drive Assembly 6250 172 Replacement Notes Note Note the routing of the wires for rea
114. 10 with 11 19 S Sat l Z Ly 2 3 T ted s S V 2 with 3 7 V 99 with 26 and 27 j re 6250 286 Phaser 6250 Color Laser Printer Service Manual 9 4 PL 1 1 Covers Service Parts List No Part Number Qty Name Description 1 333 4405 00 1 Control Panel Front Panel Display 2 116 1357 00 1 Cover Assembly Front with 3 7 3 1 Cover Front NS part of PL 1 1 2 4 1 Holder Lever Out NS 5 1 Lever Out NS 6 1 Con Amp 175694 3 NS Le 116 1550 00 1 Fan Fuser 8 116 1074 00 1 Cover Assembly Top 9 116 1359 00 1 Cover Top Main 10 116 1360 00 1 Cover Assembly Top Image Unit with11 19 Door C 11 1 CAM IR NS 12 1 Cover CAM NS 13 1 Spring CAM I R NS 14 116 001 1 00 1 Latch Top Right 15 1 Handle Top NS 16 1 Shaft Latch Top NS 17 1 Spring Handle NS 18 116 1372 00 1 Latch Top Left 19 1 Cover Top Image Unit Door C NS 20 116 0016 00 1 Cover Rear 21 116 0492 00 2 Stud Top 1 per order 22 116 0586 00 2 Spring Link 1 per order 23 116 0963 00 2 Link 1 per order 24 116 1373 00 1 Cover Side Right 25 116 1322 00 1 Cover Assembly Front Right 26 1 Cover Tray 1 MPT NS part of Tray 1 99 27 1 Tray 1 Slide NS part of Tray 1 99 28 116 1375 00 1 Assembly Tray 1 Base 29 116 1376 00 1 Cover Assembly Front
115. 116 1425 00 1 Latch Spring Out 21 116 1426 00 2 Spring N F MPT 250GF 1 per order 22 116 1427 00 1 Gear MPT 23 116 1594 00 1 Assembly Harness Duplex 24 2 Bearing MPT NS 25 116 1430 00 2 CAM MPT 1 per order 26 116 1431 00 2 Core Roll MPT 1 per order 27 116 1432 00 1 Assembly Feed Roll 28 1 Shaft MPT NS 29 30 31 Parts List 9 19 PL 6 1 Chute Assembly Out Service Parts List Table ID No Part Number Qty Name Description 32 33 34 35 116 1433 00 1 Plate Out MPT 36 116 1434 00 1 Sensor Spring MPT 37 116 1435 00 1 Actuator MPT 38 116 1436 00 1 Solenoid Stopper 39 116 1437 00 1 Solenoid Spring 40 116 1438 00 1 Feed Solenoid MPT 41 1 Chute Out NS 42 116 1439 00 1 Assembly Bottom Plate MPT 43 116 1440 00 1 Assembly Wire Earth GRND 9 20 Phaser 6250 Color Laser Printer Service Manual This Page Intentionally Left Blank Parts List 9 2 PL 7 1 Chute Assembly Exit VW 99 with 12X3pcs 13X3pcs W 1 with 2 13 6250 294 9 22 Phaser 6250 Color Laser Printer Service Manual PL 7 1 Chute Assembly Exit Service Parts List Table ID No Part Number Qty Name Description 116 1595 00 1 Chute Assembly Exit with 2 13 Gear Roll NS N N Bearing Earth NS Roll Exit NS Roll Mid NS Chute Exit Lower NS
116. 3 20 aaa 8 35 Paper Feed Roller Routine Maintenance Item 8 36 Retard Roller Housing Assembly PL4 1 1 8 37 Turn Roll PL 4 1 2 Turn Clutch PL 4 1 9 and Friction Clutch As sembly PL 4 1 4 000 c cece eee eee ee 8 38 Retard Roller Assembly PL4 1 5 200005 8 39 Chute ASS MDIV IM caen ka Soe ad Settee Dia we ee 8 41 Chute Assembly In PL 5 1 1 0 00 0000 e ee 8 41 CTD ADC Sensor PL 5 1 11 00 000 e eee 8 42 Toner Full Sensor PL 5 1 13 0000000000 8 43 Fuser Drive Assembly PL 5 1 18 200005 8 44 Right Latch Door A PL5 1 21 00005 8 45 Left Latch PL 5 1230 nornai eect tie Sect cect ka 8 46 Chute Assembly Out 8 47 Chute Assembly Out PL6 1 1 00008 8 47 Output Tray Full Actuator PL 6 1 5 and Full Stack Sensor PL 6 1 4 8 50 Duplex Actuator PL 6 1 13 and Duplex Sensor PL 6 1 4 8 51 Tray 1 Actuator PL 6 1 37 and Tray 1 Sensor PL 6 1 4 8 53 Static Eliminator Assembly PL 6 1 9 aa 8 55 Duplex Roller PL 6 1 12 0 0 8 56 Latch Plate PL 6 1 17 Latch Out PL 6 1 18 Latch Holder PL 6 1 19 and Latch Spring Out PL 6 1 20 8 57 Tray 1 Paper Pick Assembly PL 6 1 27 Roll Feed 8 58 Tray 1 Feed Solenoid PL 6 1 40 aaa 8 59 Phaser 6250 Color Printer Tray 1 Shaft PL 6 1 28
117. 34 HIMOT VEebd ayog TOHINOO INIONA 10 33 10 34 Phaser 6250 Color Laser Printer Service Manual Reference Contents m Printer Stat Appendix A Printer Status Codes Printer status codes that appear in the Service Usage Profile are defined in the following table The code listings are generally in numerical order although some errors without assigned codes are interspersed in the list Refer to the Error Messages and Codes Summary Table on page 3 17 for additional information ServiceCode Description 7 Laser Failure 7 8 Laser Failure 8 9 Laser Failure 9 10 Laser Failure 10 11 Laser Failure 11 13 Density Sensor Failure 13 14 Density Sensor Failure 14 15 Density Sensor Failure 15 16 Density Sensor Failure 16 40 Fuser Failure 40 41 Fuser Failure 41 42 Fuser Failure 42 43 Fuser Failure 43 44 Fuser Failure 44 45 Fuser Failure 45 46 Fuser Failure 46 47 Fuser Failure 47 50 Fuser Fan Failure 51 Rear Fan Failure 52 Fan Failure 70 Engine Firmware Failure 70 71 Engine Firmware Failure 71 72 Engine Firmware Failure 72 73 Engine Firmware Failure 73 74 Engine Firmware Failure 74 75 Imaging Unit Firmware Failure 76 Fuser Firmware Failure 77 Engine Firmware Failure 77 78 Engine Firmware Failure 78 79 Engine Firmware Failure 79 A 2 Phaser 6250 Color Laser Printer Service Manual
118. 4 1 9 P J32 P J321 5VDC a OHP PAPER SENSED L 3 3VDC SENSOR OHP Det 2 SG PL9 1 12 gt 3 J35 No Connection 6250 320 10 25 Image Processor Board ENGINE CONTROL IMAGE PROCESSOR BOARD BOARD PL12 1 1 PL12 1 4 P J14 8 Q FRONT PANEL PLIT FPC P J221 J2211 P220 4 FP Gnd Gi 1 1 5 FP_RXD ed o FPGnd m 3 p p FPD my 5 FPGnd my R 6 FP_Sts mo 6 p FPGnd 7 5 a FPRst fam 8 x 9 5V m o 9 10 2N E i0 10 1 LVDC Gnd fm P J168 12 NG H i KA LVDC Gnd fE 12 14 N C H 13 H LVDC Gnd a 14 16 N C 15 L_ wc pis LVDC Gnd ie 18 NIC E 17 pit LVDC Gnd mm 18 20 NG H 19 20 TEST PRINT pay ON L 3 3VDC gq 1 FPC Front Panel 2 Connector 6250 321 10 26 Phaser 6250 Color Laser Printer Service Manual Printer Options Wiring Diagrams High Capacity Feeder Main Wiring Diagram PAPER SIZE SWITCH T3 pagat WAG P J210 P J810 P J81 DRIVE ASSY FEEDER PI4455 P1131 P84 1 0r o 2 IE SOLENOID FEED T4 go e 4 P J831 Hah a SWITCH T4 rag No aper Sensor T4 Ph mi eae Sensor T4 rs CLUTCH ASSY TURN
119. 4 116 1403 00 1 Plate In T R 25 116 1404 00 2 Roll Pinch Turn 1 per order 26 116 1405 00 2 Spring Pinch Turn 1 per order 27 116 1406 00 2 Roll Pinch Dup 1 per order 28 116 1407 00 1 Spring Pinch Dup 29 116 1408 00 1 Chute In 30 116 1409 00 1 Left Latch Parts List 9 17 PL 6 1 Chute Assembly Out 134 V i with 2 43 6250 293 9 18 Phaser 6250 Color Laser Printer Service Manual PL 6 1 Chute Assembly Out Service Parts List Table ID No Part Number Qty Name Description 1 116 1591 00 1 Assembly Chute Out with 2 43 amp PL 7 1 2 116 1411 00 1 Assembly Harness Front 2 3 116 1593 00 1 Assembly Harness Front Panel 4 116 1413 00 3 Sensor Dup Jam Full Stack MSI No Paper 1 per order 5 116 1414 00 1 Actuator Output Tray Full Full Stack 6 116 1634 00 4 Spring Pinch Exit 1 per order T 116 1416 00 2 Roll Pinch Exit 1 per order 8 116 1417 00 2 Roll Pinch 1 per order 9 116 1418 00 1 Eliminator Assembly 10 116 1419 00 1 Gear 30 11 1 Bearing Ground NS 12 116 1420 00 1 Roll Dup Duplex 13 116 1421 00 1 Actuator Duplex 14 116 1422 00 1 Actuator Cover 15 116 1423 00 1 Spring Sensor Dup Duplex 16 1 Bearing NS 17 1 Latch Plate NS 18 1 Latch Out NS 19 1 Latch Holder NS 20
120. 4 3 System Boot Sequence 00 c cece eee eee eee 4 3 Power On Self Test POST 000 eee eee 4 4 POST Pala aaa kan adit oat ede ade donee ees 4 6 LED Blink Patterns 4 6 POST Diagnostic Test Descriptions 00 4 7 Front Panel Troubleshooting 000 c cece e eee eee eee 4 8 No Front Panel Display after Power is Turned ON 4 8 Front Panel LED is on Front Panel Display is Blank 4 8 Front Panel Continually Displays Warming Up 4 8 Front Panel Continually Displays Install or Reseat Imaging Unit 4 8 Fault Isolation ccs as spade teow eee NG Ad weed esa leew ees 4 9 Inoperable Printer Troubleshooting 0 00 c eee eee eee 4 9 Engine Power Up Sequence 00 0 cc cece ee eens 4 9 Printer Does Not Come to a Ready State 4 9 Printer Inoperable after Power Switch is On 4 10 Paper Size Switch Assembly 0 0 0 c cece eee eee 4 11 Power Supply isesi kana Nd kanak ANG DALE NG Geeks encian esi des 4 12 AC Power Supply Troubleshooting 0000s 4 13 DC Power Supply Troubleshooting 0005 4 13 Media Jams and the Paper Path 00 ccc cece eee eee 4 15 Operating System and Application Problems 4 18 Macintosh printing problems 0 00 eee 4 18 Windows printing problems 0 0 0 cece 4 20 Network ProblemsS 0 0
121. 5K Pages 53 31 22 5 10K Pages 35 26 18 10 15 K Pages 35 26 18 15 20 K Pages 35 26 18 20 25 K Pages 29 22 13 25 30 K Pages 29 22 13 gt 30 K Pages 29 22 13 1 12 Phaser 6250 Color Laser Printer Service Manual Functional Specifications Continued Characteristic Specification First Print Out in seconds Letter A4 printer in Ready state Mode Tray1 Tray2 Tray3 Tray4 Simplex 600 dpi 14 5 15 16 5 18 Duplex 600 dpi 23 23 5 25 26 5 Simplex half speed 23 5 24 5 27 5 30 5 Duplex half speed 38 5 39 5 42 5 45 5 Warm up time 30 seconds from cold start power off condition Electrical Specifications Characteristic Specification Primary line voltages 110 127 V Printer 90 140 V 13 amp circuit 220 240 V Printer 198 264 V 7 8 amp circuit Primary line voltage frequency range 100 120 V Printer 50 60 Hz 3Hz 220 240 V Printer 50 60 Hz 3Hz Power consumption at rated voltage input Mode Condition 100 120 VAC 220 240 VAC Print Mode Max 1000 W or less 1000 W or less Ready Mode Fuser On 180 W or less 180 W or less Sleep Mode Fuser Off 45 W or less 45 W or less Environmental Specifications Characteristic Specification Temperature Operating Transportation Storage 24 month maximum 1 month maximum Optimal print quality range 17 to 26 C 62 to 80 F 10 C to 32 C 50 F to 90 F 30 C to 50 C 22 F to 122 F
122. 9 If the printer is not functional or optionally even if it is restore the information by swapping the NVRAM following board replacement 1 If the printer is functional save the information in the engine NVRAM using the Service Diagnostic NVRAM Access MCU NVRAM Store function before starting disassembly Caution Observe proper ESD procedures page 8 3 when removing any circuit board from the printer Remove the Image Processor Board page 8 110 Remove the Card Cage page 8 103 Remove the Housing Assembly Contact page 8 106 a bb Od N Remove the 4 screws securing the Cover Engine Control Board to the Card Cage 6250 226 Service Parts Disassembly 8 107 6 Disconnect all connectors on the Engine Control Board 7 Remove the 6 screws securing the Engine Control Board to the Card Cage and remove the board 6250 227 Replacement Notes Note 8 108 After the Engine Control Board is replaced NVRAM data saved prior to replacement must be restored to the new board Use the Service Diagnostic NVRAM Access MCU NVRAM Restore function to restore the data Detailed information is provided in Service Diagnostic Tests on page 3 9 If the printer was previously not functional or optionally even if it was move the NVRAM from the ol
123. 97 00 1 Laser Unit 2 116 1452 00 2 Spring ROS 1 per order 3 108R00591 1 Imaging Unit Phaser 6250 4 116 1453 00 1 Bias Housing Assembly 5 116 1454 00 8 Plunger Stud Biasing Buttons 1 per order 6 116 1598 00 1 Assembly Chute Registration with 7 10 and 12 7 1 Registration Clutch NS 8 116 1413 00 1 Sensor Registration 9 116 1456 00 1 Actuator Registration 10 116 1457 00 1 Actuator Spring Registration 11 116 1458 00 1 Assembly Housing Electrical 12 116 1459 00 1 OHP Sensor with Harness Kit 99 116 1627 00 1 Kit Registration Sensor Actuator and Spring Parts List 9 27 PL 10 1 Holder Toner Cartridge Assembly W 21 with 16 20 E P51 P512 M P513 C P514 K P701 Y P702 M P703 C P704 K 6250 497 9 28 Phaser 6250 Color Laser Printer Service Manual PL 10 1 Toner Cartridge Holder Unit Assemblies Service Parts List ID No Part Number Qty Name Description 1 116 1599 00 1 Holder Toner Cartridge Assembly Yellow 2 116 1600 00 1 Holder Toner Cartridge Assembly Magenta 3 116 1601 00 1 Holder Toner Cartridge Assembly Cyan 4 116 1602 00 1 Holder Toner Cartridge Assembly Black 5 116 1603 00 1 Sensor No Toner 6 116 1604 00 1 Switch Bracket Toner CTG IN 7 106R00670 1 Yellow Toner Cartridge Standard Capacity
124. C Replace the Replace the AC switch ON Low Voltage Switch Harness 2 Check the AC Switch Harness for continuity Power Supply Assembly See Drive Section on page 10 18 page 8 99 page 8 98 DC Power Supply Troubleshooting Troubleshooting Reference Applicable Parts Wiring and Plug Jack Map References Low Voltage Power Supply PL 12 1 10 Power Supply on page 10 16 Procedure Step Action and Questions Yes No 1 Perform the AC power supply troubleshooting procedure first if this does not fix the problem go to Step 2 2 Turn the AC power Switch OFF Replace the Low Go to Step 3 Is the fuse F001 on the low voltage Voltage Power power supply board open Supply Board page 8 99 General Troubleshooting 4 13 Procedure Continued Step Action and Questions Yes No 3 Disconnect the connectors J163 J164 Go to Step 4 Replace the Low and J165 from the LVPS turn the AC Voltage Power power switch on and verify the DC Supply Board voltages between the following pins on page 8 99 the Low Voltage Power Supply board P163 1 lt gt P163 2 24 VDC P164 1 lt gt P164 2 3 3 VDC P165 1 lt gt P165 2 5 VDC P165 3 lt gt P165 4 3 3 VDC Caution Be careful not to touch any other pins during these measurements or you may blow the fuse F001 on the LVPS 4 Turn the AC power switch OFF Go to Step 7 Go to Step 5 Connect
125. Caution Only run the developer motor test once per power cycle to avoid excessive amounts of toner being forced inside the developer resulting in possible damage HCF LTA Motor Normal Speed Half Speed Normal Speed Continuous Half Speed Continuous Audible verification of motor functionality Toner Motor Normal Speed Audible verification of motor personnel the ab High Speed Continuous Low Speed Continuous Yellow functionality Toner Motor Caution Only run the Toner Motor Magenta tests once per power cycle to avoid Toner Motor toner spillage inside the Imaging Cyan Unit cavity and packing the auger Toner Motor tubes with toner Black Rear Fan High Speed Audible verification of motor Low Speed functionality High Speed Continuous Check for airflow Low Speed Continuous Fuser Fan High Speed Audible verification of motor Low Speed functionality Check for airflow Sensor Switch Tests Tests the functionality of the sensors and switches by giving service ility to input actuation and state changes of all sensors and switches Interlock Switch Sensor is ON Sensor is OFF Front Door OPEN Front Door CLOSED Registration Sensor Sensor is OFF Sensor is ON This test continuously cycles paper through the printer The sensor state changes from off to on as the paper passes through the Registration Chute Note This test can also be used as a paper path transport test
126. Charge Voltage Contacts 2 36 Index 2 Imaging Unit Firmware Failure 3 77 Imaging Unit is at End of Life 3 43 Imaging Unit Removal 8 4 Incomplete Fusing or Cold Offset 5 23 Indicator Assembly 8 137 Indicator Assembly Feeder 8 118 Inoperable Printer Troubleshooting 4 9 Insert Tray or Tray Missing 3 55 3 57 Install or Lock Toner Cartridge 3 48 Install or Reseat Fuser 3 46 Install or Reseat Imaging Unit 3 42 Install or Reseat Transfer Roller 3 44 Introduction 4 2 J Jam at Duplex or Jam D 3 21 Jam at Fuser or Jam F 3 19 Jam at Registration Roller or Jam RR 3 23 3 28 Jam History Error Codes Table 3 16 K 3 54 L Laser Failure 3 68 Laser Light Intensity Control 2 6 Laser Unit 8 68 10 22 Latch Holder 8 57 Latch L 8 46 Latch Plate 8 57 Latch R Door A 8 45 Latch Spring Out 8 57 LED Blink Patterns 4 6 LED Light Density CTD ADC Control of Sensor 2 8 Left and Right Links 8 13 Left Side Cover 8 11 Left Tray Guide 8 141 Left Tray Guide Feeder 8 122 Lever Plate Right 8 91 Light Print in Only One Color 5 11 Light Prints 5 10 Service Manual Link Actuator 8 32 8 124 8 143 Load Tray 1 with size type 3 63 Load Tray with size type 3 65 3 67 Low Paper Indicator 8 27 Low Paper Indicator Guide 8 27 Low Paper Lever 8 27 Low Voltage Power Supply 8 99 M 3 54 Macintosh printing problems 4 18 Main Drive Assembly 8 94 Main Drive Assembly
127. Check CRUM Harness Assembly for Go to Step 5 Replace the continuity CRUM Harness See Laser Unit on page 10 22 Assembly PL 10 1 15 5 Check the EEPROM Harness for Replace the Replace EEPROM continuity Engine Control Harness See Fuser Assembly on page 10 21 Board Assembly page 8 107 PL 13 1 10 Error Messages and Codes 3 43 Install or Reseat Transfer Roller Ensure the CTD ADC Sensor is clean Ensure that the Transfer Roller Assembly is correctly installed Cycle printer power If the problem persists follow the procedure below Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References CTD ADC Sensor Assembly PL 5 1 11 Xerographics 1 on page 10 23 Transfer Roller Assembly PL 8 1 12 Troubleshooting Procedure Table Step Actions and Questions Yes No 1 Check the following parts for damage and Complete Go to Step 2 replace if defective Transfer Roller PL 8 1 12 CTD ADC Sensor PL 5 1 11 2 Clean the CTD ADC Sensor to remove Complete Go to Step 3 any toner build up Does this fix the problem 3 Use service diagnostics to test the CTD Go to Step 4 Go to Step 5 ADC Sensor Does the sensor function correctly 4 Replace the Transfer Roller Go to Step 5 Complete Does the error recur 5 Is the CTD ADC Harness connected to Go to Step 6 Connect properly the CTD ADC Sensor correct
128. Checks for presence of hard drive then checks the 20 disk controller core and runs a DIAGNOSE command on the hard drive Engine Command Hard Runs multiple engine commands to verify proper 22 operation Displays 22 Reseat Controller Board and Call Customer Support on failure Engine Fuser 26 Soft Checks for normal fuser operation Failure will result Warmup in a red box on the StartPage with Hardware Failure General Troubleshooting 4 7 Front Panel Troubleshooting No Front Panel Display after Power is Turned ON Remove and reseat the Image Processor Board page 8 110 Run the Print Engine Test Print see page 5 9 Replace the Image Processor Board page 8 110 if Step 2 passes See DC Power Supply Troubleshooting on page 4 13 Replace the Front Panel wiring harness page 8 6 D O Aa wn Replace the Front Panel page 8 7 Front Panel LED is on Front Panel Display is Blank 1 Remove and reseat the Image Processor Board page 8 110 2 Replace the Front Panel wiring harness page 8 6 3 Replace the Front Panel page 8 7 4 Replace the Image Processor Board page 8 110 Front Panel Continually Displays Warming Up 1 Verify the correct Fuser 110 V vs 220 V is installed in the printer 2 See the Engine Power Up Sequence on page 4 9 Front Panel Continually Displays Install or Reseat Imaging Unit 1 See Install or Reseat Imaging Unit on page 3 42 2 Realig
129. Control Board page 8 107 Error Messages and Codes 3 73 Engine Firmware Failure Code 70 Task Table overflow Code 71 Timer Table overflow Code 73 Queue Buffer overflow Code 74 Communications buffer overflow Code 78 ESS Video data fail Code 79 This is a generic Engine Firmware Failure code generated when any other Engine Firmware Failure code fails to report to the controller properly Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Is the problem application related Forward the Go to Step 2 application information to ESS for evaluation 2 Turn printer power off and then back on Replace the Engine Complete Does the error recur Control Board page 8 107 Code 72 NVRAM verify error Code 77 NVRAM data error Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Remove and reinstall the Fuser and Go to Step 3 Complete Imaging unit Does the error recur 2 Are P J 144 and P J 145 on the EEPROM Go to Step 3 Replace the Board properly seated and defect free EEPROM Board page 8 86 3 Turn printer power off and then back on Replace the Complete Does the error recur Engine Control Board page 8 107 3 76 Phaser 6250 Color Laser Printer Service Manual Imaging Unit Firmware Failure Code 75 This is an Imaging Unit CRUM data error Caution Protect the imaging unit from exposure to light by covering the unit or placing in a lig
130. ER IN LG GEAR FEED1 Koy GEAR IDLER ee GEAR FEED H1 PICK UP ASSY T3 DRIVE ASSY FEEDER GEAR IDLER FEED GEAR IDLER Lo CLUTCH ASSY TURN NG gt o A GEAR FEED GEAR IDLER IN oo Gear FEED Hi GEAR IDLER PICK UP ASSY T4 6250 444 LOWER FEEDER DRIVE ASSY GEAR IDLER Y GEAR IDLLER IN GEAR IDLLER FEED Y l I I I i CLUTCH ASSY TURN GEAR FEED H1 I ji l l I l l I I J k d GEAR IDLLER b ROLL ASSY TURN GEAR FEED 1 ROLL ASSY FEED PICK UP ASSY T3 GEAR IDLER IN y CLUTCH ASSY TURN GEAR IDLLER ROLL ASSY TURN GEAR IDLLER FEED GEAR FEED H1 H GEAR FEED1 ROLL ASSY FEED Ht PICK UP ASSY T4 a EBE BELLE ADA 6250 443 Theory of Operation 2 25 500 Sheet Feeder Drive and Gears Transmission Route CLUTCH ASSY TURN GEAR IDLER FEED GEAR IDLER IN GEAR IDLER GEAR FEED1 GEAR FEED H1 DRIVE ASSY FEEDER SINGLE PICK UP ASSY T3 6250 404 DRIVE ASSY FEEDER SINGLE GEAR IDLER v y GEAR IDLLER IN GEAR IDLLER FEED v h d CLUTCH ASSY TURN GEAR FEED H1 v k d ROLL ASSY TURN GEAR FEED 1 y ROLL ASSY FEED PICK UP ASSY 2T 6250 403 2 26 Phaser 6250 Color Laser Printer Service Manual Retard Housing Assembly 6250 057 1 Roll Turn The roll turn is rot
131. Failure 3 74 Registration Sensor 8 73 Registration Sensor Actuator 8 73 Regulatory Specifications 1 x Removal Actuator Output Tray Full 8 50 Index 4 Removal Full Stack Sensor 8 50 Removing RMIs and Consumables 8 4 Removing Routine Maintenance Items and Consumables 8 4 Removing the Duplex Actuator 8 51 Repeating and or Random Spots 5 19 Replace Fuser or Fuser is at End of Life 3 47 Replace Imaging Unit 3 43 Replace Toner Cartridge or Toner Cartridge Empty 3 50 Replace Transfer Roller 3 45 Resetting NVRAM 6 4 Residual Image Ghosting or Hot Offset 5 22 Retard Housing Assembly 2 27 Retard Roll Assembly 8 39 Retard Roller Housing Assembly 8 37 RGB Test Print 5 5 Right and Left Covers Feeder 8 131 Right Side Cover 8 11 Right Tray Guide 8 138 Right Tray Guide Feeder 8 119 Roll Turn Assembly 8 35 Routine Maintenance Items 1 9 S Safety electrical components 1 ix fuser components 1 ix mechanical components 1 ix Power I vi power source I vi service summary I viii Selective Control 2 6 Serial Number Format 9 2 Service Diagnostic Front Panel Button Descriptions 3 7 Service Diagnostic Tests 3 9 Service Diagnostics 3 6 Service Diagnostics PostScript NVRAM Resets 6 8 Service Preventive Maintenance Procedure 7 2 Service Safety Summary I viii Service Manual Service Test Prints 5 6 Servicing Instructions 3 3 Single Tray Feeder Covers 9 45 Single Tray Feeder Gui
132. Feeder Covers 9 45 PL 15 3 500 sheet Feeder Guides and Turn Chute Assembly 9 46 PL 15 4 Paper Pick Assembly Tray3 aaa 9 48 PL 15 5 500 sheet Feeder Harness Board and Motor 9 50 Xerox Supplies and Accessories a 9 51 10 Wiring Diagrams Plug Jack Locator Maps ccc cece cence teenies 10 2 Map tints paaaka aoi a a Seated nG GB 10 6 Mai s esos nice GG ma eo Bak GD aw oe den fadte ode aie ea Sauna ds 10 7 Map Sie paaa iuei tp eae ty kuch beeen bha mn GUG GA bha ah bute de 10 8 Map Aes ccc vances KNANG BAGA pakana doe PNG aad NG 10 9 High Capacity Feeder Plug Jack Locator Table 10 10 Map Oia nana AE Cag ta awake ae heads seein wend 10 11 500 sheet Feeder Plug Jack Locator Table 10 12 Map pri ric coxtawe ban banana KAPPA MAD eter ee grees 10 13 Print Engine Wiring Diagrams ss sssri curri a 10 14 Notations used in Wiring Diagrams 05 10 14 Main Wiring Diagram 66 eee 10 15 Power Supplies 0 a 10 16 Paper ay Za aa anap Ka band bha Bah ANA 10 17 Drive Section a 10 18 Developer Sectiond a 10 19 Developer Section2 cee eee ees 10 20 FUSERASSEMDIY ict cyt Ana LAWA iad ad RYAN 10 21 Laser UNI cunts mani mam hea ce eden dima NA 10 22 Kerographics Ta kaaa dosed ania daaa dnd pclae a 10 23 XerographicS 2 0 eee ees 10 24 Papen F d an sient baw ews BIGAA AnG wahoo 10 25 Image P
133. Feeder Tray 3 Harness Assembly 83 Circuit Board Lower Feeder Not connected 84 Circuit Board Lower Feeder Assembly STF Motor Harness 810 Assembly Harness STF Main Circuit Board STF 821 Switch Paper Size T3 Tray 3 Harness Assembly 822 Sensor No Paper T3 Tray 3 Harness Assembly 823 Sensor Low Paper T3 Tray 3 Harness Assembly 824 Solenoid Feed Tray 3 Circuit Board STF 825 Assembly Clutch Turn T3 Circuit Board STF 8220 Assembly Harness No Paper Circuit Board Lower Feeder Sensor 10 12 Phaser 6250 Color Laser Printer Service Manual 822 8220 810 81 6250 431 10 13 Print Engine Wiring Diagrams Notations used in Wiring Diagrams Plug Jack K hm Clutch Solenoid m Motor Optical Sensor C 6250 499 10 14 Phaser 6250 Color Laser Printer Service Manual Main Wiring Diagram 404 FUSER ASSY PL8 1 1 Ama HARNESS ASSY AC SW P J162 AGE gaga ENGINE i CONTROL H FAN REAR PL12 1 2 BOARD PL12 1 1 MOTOR DRIVER BOARD P1232 Putes P J2362 P J24 PAA PAANAN NS Lvs PT pjja71 SWITCH ASSY SIZE E PIST PAIS PL12 1 10 l PL3 2 4 PIJi83 pu MAGNG Tarasov i I I i Pa No Paper Sensor PL9 1 3 DISPENSER L P J71
134. Flowchart 1 Changing with RTC 1 Changing with electricity Developer Y 3 Development Developer M 3 Development RT 1 Changing with electricity rather 3 Development Drum C RTC 1 Changing with electricity Developer K 3 Development ih Transfer Roller Y J 10 Fixing NA oe 6250 024 RIC Refresher Drum Y electricity Refresher TA Ja Drum K Refresher Printing Process Components 2 4 FS Refresher 4 Primary transfer 5 Secondary transfer IDT1 Cleaner 6 Cleaning 11 Cleaning IDT2 Cleaner 8 Cleaning 11 Cleaning IDT2 5 Secondary transfer 7 Tertiary transfer l MJ IDT1 4 Primary transfer 5 Secondary transfer IDT1 Cleaner 6 Cleaning 11 Cleaning 6250 026 Phaser 6250 Color Laser Printer Service Manual Print Modes There are three print modes Draft mode Enhanced mode and Photo mode These are based on the resolution 600 dpi or 2400 dpi and depending on the media type can also be affected by process speed full speed half speed one third speed m Draft mode 600 X 600 dpi resolution Used to check layout Provides reduced toner usage m Enhanced mode 2400 X 600 dpi resolution General purpose mode for crisp bright color prints Recommended for most office use It is the default mode m Photo mode 2400 X 600 dpi resolution Highest quality color print with ver
135. Fuser Fan PL 1 1 7 a 8 8 Top Main Cover PL1 1 9 0 cece e eee eee 8 9 Image Unit Top Cover Door C PL1 1 10 8 10 Right and Left Side Covers PL1 1 24 PL1 1 30 8 11 Service Manual xvii xviii Rear Cover PL 1 1 20 aaan a 8 12 Left and Right Links PL 1 1 23 nannaa aaa 8 13 Tray 1 MPT PLA A99 ia LG NAG aa 8 14 Front Right Cover PL 1 1 25 aaa 8 15 Front Left Cover Assembly PL1 1 29 8 16 Paper Fool da kaaa se asaran Laban ae Ce ad Anh ka 8 18 Paper Feed Roller PL 2 1 2 Routine Maintenance Item 8 18 Turn Chute Assembly PL3 1 2 aa 8 19 Printer Chassis Feeder Assembly 8 20 Paper Pick Assembly PL3 3 1 000e ee eee 8 22 Right and Left Housing PL 3 2 000005 8 23 Temperature Humidity Harness PL3 2 1 and Sensor PL3 2 2 8 24 High Capacity Feeder Harness PL3 2 3 8 25 Paper Size Switch Assembly PL3 2 4 8 26 Low Paper Lever PL3 2 7 Indicator PL3 2 8 and Indicator Guide PL3 2 10 0 00000 8 27 Paper Pick Rollers PL3 3 3 00 cece ee eee 8 29 No Paper Actuator PL3 3 5 No Low Paper Sensor PL3 3 4 8 30 Link Actuator PL3 3 6 000 cece eee eee 8 32 Feed Solenoid PL3 3 17 ccc eee eee eee 8 33 Turn Clutch Assembly PL3 3 18 aa 8 34 Roll Turn Assembly PL3
136. Harness 8 114 Tray 3 Harness Assembly 8 133 Tray Empty Load Paper 3 62 Tray Paper is Low 3 59 3 60 Turn Chute Assembly 8 19 8 132 Turn Clutch 8 38 Turn Clutch Assembly 8 34 Turn Roll 8 38 U Universal Paper Tray 9 7 Using the Parts List 9 3 Using the Troubleshooting Procedures 3 4 Phaser 6250 Color Laser Printer V Voltage Measurements 3 5 W Windows printing problems 4 20 Wrong 3 63 3 65 3 67 X Xerographics 2 35 9 26 Xerographics 1 10 23 Xerographics 2 10 24 Xerox Supplies and Accessories 9 51 T Remove Ribbon from 3 54 Index 6 701P46430
137. IS ZAVHL beetle 28f d wBr d 018r 018d Orf Old tad 9 e Yl d efe HOLIMS 3ZIS AdYd Paper Tray 3 884 Guvog 430334 YIMOT bLe bd duvog TOHINOO ANISNA 10 29 167 0329 8ibPHId F1 NHNL ASSY HOLNTO z W lt vL iz gt lt 9v ov EC 99 sa WC 9 Lana HI OGAPZ 1 NO 10 NHNL EAVELL gt IC m r lt z W j lt el 18r d 018P 018d Ober Ol d ed OdAve TI seer SE8d e8f d LUY Yd Oanve pL Y00H9 U Q324 GION3T0S ke le k z m 2G Are4 I NO 10S 0334 AYHL di e gt KC ev vimeo oa fm C 8 L z E LL 18rd 018P OL8d Ober Ol d KZ d OaAve TI vesr 7E8d e8f d ghd oaare pL HOSNAS yoo ayu 3dYd MOT L gt OF HI gt K oiv sv W lt jora va Mi 01 m OA e H GASNAS Advd MOT EAVHL C Ka E m Ka mz s lt 6 led OLB OL8d Ober Ol d Z d le me gt oane e dN TINd R CE8f d E8f d FPYHd v1 HOSNAS H3dYd ON L gt M c gt C LZ si PiC aiv
138. Image Processor Board before replacing the Engine Control Board Restore Engine NAVRAM Restores previously saved critical engine parameters to the Engine Control Board after replacement Toner Install Black Toner Install Date Allows toner cartridge install dates Dates Cyan Toner Install Date to be viewed or to be changed Magenta Toner Install Date when current value is corrupted or Yellow Toner Install Date obviously incorrect Toner CRUM lt Color gt Not Genuine Xerox Toner Verifies that genuine Xerox toner is Check installed in the printer CRU Life Sets life count of transfer roller to Resets the life count stored in Reset unused NAVRAM Error Messages and Codes 3 15 Test Front Panel Display and Test Definition CRU Life Read Black Toner K Life Cyan Toner C Life Magenta Toner M Life Yellow Toner Y Life Transfer Roller Life Read Printer Page Count Imaging Unit Count 1 number of sheets fed through imaging unit Count 2 Drum rotations Count 3 6 Y M C K dispense time Fuser Life Save Engine NAVRAM Accesses the various life counts stored in NAVRAM and allows values to be saved when the Engine Control Board is changed CRU Life Restore Restore Engine NAVRAM Used after Engine Control Board replacement to restore the previously saved life values to NAVRAM IP Controller Diagnostics Tests the basic functionality of the Image Processor Board RAM Read
139. J164 to the LVPS then turn the AC power switch ON P J164 1 lt gt P J164 2 3 3 VDC 5 Check the following parts for fault or Replace if Go to Step 7 damage damaged or m LVRPG Harness Assembly for defective damage or if it is shorted to the frame m Engine Control Board 6 Does the problem recur Go to Step 7 Complete 7 Turn the AC power switch OFF Go to Step 10 Go to Step 8 Connect J165 to the LVPS then turn the AC power switch ON Verify P J165 1 lt gt P J165 2 5 VDC P J165 3 lt gt P J165 4 3 3 VDC 8 Check the following parts for fault or Replace if Go to Step 10 damage damaged or m LVNC Harness Assembly defective m Motor Driver Board 9 Does the error recur Go to Step 10 Complete 10 Turn the AC power Switch OFF Complete Go to Step 11 Connect J163 to the LVPS then turn the AC power switch ON P J163 1 lt gt P J163 2 24 VDC 11 Check the following for fault or damage Replace if Complete m 24V Harness Assembly damaged or m Motor Driver Board defective 4 14 Phaser 6250 Color Laser Printer Service Manual Media Jams and the Paper Path Media Based Problems 1 N O OF db WO N 8 Check that the correct type of media is being used for the correct media types and weights see Printer Specifications on page 1 11 The customer should be using a quality laser printer paper The printer may have trouble picking slick finish paper Only Phaser 25 Series Premium Transparency Film can b
140. Jam D eee eee 3 21 Jam at Registration 3 23 Jam at Registration Roller Jam RR a 3 28 Misfeed at Tray 1 MPT Jam T1 3 30 Misfeed at Tray 2 Jam T2 3 33 Misfeed at Tray 3 Jam T3 3 36 Misfeed at Tray 4 Jam T4 3 39 Door and Cover Errors cence eee ee 3 41 Close Front Door 2 1 cece a 3 41 Phaser 6250 Color Printer Consumable Errors 0 0 eee ee eee eens 3 42 Install or Reseat Imaging Unit 00 0 3 42 Replace Imaging Unit or Imaging Unit is Near End of Life 0 3 43 Install or Reseat Transfer Roller 0 0 0 0 eee 3 44 Replace Transfer Roller or Transfer Roller is at End of Life 05 3 45 Install or Reseat Fuser 2 eee eee 3 46 Replace Fuser or Fuser is Near End of Life 3 47 Install or Lock Y M C K Toner Cartridge 3 48 Replace Y M C K Toner Cartridge or Y M C K Toner Is Low 000050 3 50 Dusty Density Sensor nunnan cece eee eee eee 3 52 Output Tray is Full Unload Paper 0 3 53 Remove Ribbon from Y M C K Toner Cartridge 3 54 Tray and Media Errors cee ees 3 55 Insert Tray 2 or Tray 2 Missing 3 59 Insert Tray 3 4 or Tray 3 4 Missing 3 57 Tray 2 Paper is LOW 3 59 Tray 3 4 PaperisLow a 3 60 Out of Paper Load Tray 1 MPT with size
141. L IP FEED ROLL ASSY Tx RETARD ROLLER N TURN ROLL TURN CHUTE ASSY T2 TURN ROLL ASSY T2 TURN CHUTE ASSY T3 TURN ROLL ASSY T3 PAPER FEED TRAY PAPER PICK ROLLER T2 PAPER PICK ROLLER T3 PAPER FEED ROLLER T3 PAPER PICK ROLLER T4 TURN CHUTE ASSY T4 PAPER FEED ROLLER T2 TURN ROLL ASSY T4 PAPER FEED ROLLER T2 PAPER FEED TRAY PAPER FEED ROLLER T4 6250 054 2 14 Phaser 6250 Color Laser Printer Service Manual Paper Path Route OPTIONAL FEEDERS Paper Tray 4 Paper Tray 3 Paper feed by Paper Pick Assy T4 Paper feed by Paper Pick Assy T3 Paper Pick Assy T2 Paper Tray 2 Tray 1 MPT Paper feed by Paper feed by Tray1 Feed Roller and Paper Feed Retard Roller Paper feed by Paper Feed Rollers Nudge and Retard Tray 4 Paper feed by Paper Feed Rollers Nudge and Retard Tray 3 Paper transfer by Tray 4 Turn Roll and Tray 4 Turn Chute Assy Paper transfer by Tray 3 Turn Roll and Tray 3 Turn Chute Assy Paper Feed Rollers Nudge and Retard Tray 2 Yy Paper transfer by Turn Roll and Pinch Roll Paper feed by y Paper transfer by the Tray 2 Turn Roll and Tray 2 Turn Chute Assy AA v Paper transfer by the Chute Assembly Regis
142. Left page 8 119 page 8 122 2 Remove the Link Actuator page 8 124 3 Remove the Paper Pick Assembly for Tray 4 page 8 125 4 Remove the Gear Idler Note When replacing the larger side of the gear must face the HCF frame 6250 282 8 126 Phaser 6250 Color Laser Printer Service Manual No Paper Low Paper Sensor PL14 5 7 Remove the Paper Trays Remove the Cover Front page 8 111 Remove the Cover Right page 8 112 Remove the Turn Chute Assembly page 8 113 Remove the Indicator Assembly page 8 118 Remove the Bracket Low Paper upper and lower Remove the HCF Circuit Board page 8 116 Remove the Right Tray Guide page 8 119 Release the 3 tabs securing the Sensor to the HCF frame and remove the sensor OANA FWD Note Use caution the Sensor tabs are easily broken mi Ka ma il ig 6250 283 Service Parts Disassembly 8 127 Paper Size Switch Assembly PL14 3 6 1 Remove the Right Tray Guide Assembly page 8 119 2 Remove the 1 screw securing the Paper Size Switch to the Right Guide Assembly and remove the switch N NO N T 6250 268 8 128 Phaser 6250 Color Laser Printer Service Manual Casters Locking PL 14 2 5 Non Locking PL 14 2 6 1 Remove both paper trays from the HCF 2 Turn the HCF upside down to access the casters 3 For the Locking front Casters only remove 1 screw
143. M Sensor UNLOCKED position 3 12 Phaser 6250 Color Laser Printer Service Manual Test Front Panel Display and Test Definition Tray 2 Low Paper Tray 3 Low Paper Tray 4 Low Paper Size XXXX Paper is Not Low Paper is Low Move the Rear Guide in the paper tray to the desired paper size and verify the sensor output matches the paper size selected Insert and fill Tray 2 3 4 with paper to the fill line Insert one sheet of paper in Tray 2 3 4 to change the sensor state Tray 1 MPT Paper is Not Present Insert Paper into Tray 1 Toggle the No Paper Paper is Present Tray 1 No Paper Actuator Sensor PL6 1 37 to change the state Tray 2 No Paper is Not Present Insert Tray 2 3 4 with an Paper Sensor Paper is Present adequate amount of paper Tray 3 No Toggle the No Paper Actuator Paper Sensor Tray 4 No Paper Sensor Transfer Roll Toner Full Sensor Toner Waste Not Full Block the Toner Full Sensor PL5 1 13 to change the sensor state Image Unit Not Image Unit is Not Present Open Door C to change the state Installed of the Switch Sensor Fuser Fan Fuser Fan Alarm Sensor is OK Status only Alarm Sensor Failure Note Perform a test print immediately prior to performing this test Rear Fan Alarm Sensor Rear Fan Alarm Sensor is OK Status only Note Perform a test print Failure immediately prior to
144. M2 5 in the second column 3 With this information go to the appropriate map in this case Map 2 and locate item number 5 Plug Jack Locator Table P J No Map Connected to Other end connected to 11 3 Engine Control Board Motor Driver Board 12 3 Engine Control Board Motor Driver Board 13 3 Connects Engine Control Board Sub HVPS Fuser Harness Assembly Harness Assembly FRONT 1A and the CTD ADC Harness Assembly 14 3 Engine Control Board Image Processor Board 15 3 Engine Control Board Laser Unit 18 3 Engine Control Board Chute Assembly Registration Clutch and Sensor 19 3 Engine Control Board Retard Housing Assembly Turn Clutch 21 3 Engine Control Board HCF Main Harness Assembly 22 3 Engine Control Board Front Panel Harness Assembly 23 3 NC NC 24 3 Engine Control Board Fuser Harness Temp Hum Sensor Harness Assembly 30 3 NC 31 3 NC Test Print 32 3 Engine Control Board OHP Sensor 34 3 Engine Control Board CRUM Reader Harness 41 2 Motor Driver Board Engine Control Board 10 2 Phaser 6250 Color Laser Printer Service Manual Plug Jack Locator Table Continued P J No Map Connected to Other end connected to 42 2 Motor Driver Board Engine Control Board 47 2 Connects Motor Driver Board Paper Pick Assembly No Paper Sensor Low Paper Sensor Solenoid Feed Clut
145. Opt Opt Opt Yes Requires optional hard drive Hard drive will work but does require N upgrade to support storage features 500 Sheet Feeder is not stackable General Information 1 3 Printer Memory and RAM Capabilities The printer features two slots that accept 64 128 and 256 Mbytes of SDRAM All combinations are allowed for 64 128 256 320 384 and 512 Mbytes Memory modules must have the following characteristics m PC133 DRAM Standard m 144 Pin SODIMM m Serial Presence Detect m 3 3 Volt The startup Page and the Configuration Page list the amount of RAM installed in the Printer If the memory does not meet the above specifications it will be ignored by the printer 1 4 Phaser 6250 Color Laser Printer Service Manual Parts of the Printer Exterior 1 Top Cover Output Tray 2 Control Panel Front Panel 3 Front Cover 4 Tray 1 Multi Purpose Tray 5 Tray 2 Universal Paper Tray General Information 6250 021 High Capacity Feeder with Tray 3 and Tray 4 Door Latch B Door Latch A Power On Off Switch 1 5 Phaser 6250 Front Panel Configuration The Front Panel contains one tricolor LED a display window and six function buttons These buttons navigate the menu system shown in the display window perform various functions and select modes of operation for the printer LED Indicators m Green Ready to Print or Printing m Flashing Yellow Warning E Front Panel Button Desc
146. PL 11 1 Frame and Drive Assemblies Service Parts List Table ID No Part Number Qty Name Description 1 1 Lever Plate Left NS 2 116 1471 00 2 Lever Bracket 1 per order 3 116 1472 00 1 Lever Link Left 4 116 1473 00 8 Lever Drum 1 per order 5 116 1474 00 8 Lever Spring 1 per order 6 116 1475 00 1 Link Lever Right 7 1 Lever Plate Right NS 8 116 1476 00 1 Actuator I L 9 116 1477 00 1 Spring VL 10 116 1478 00 2 Press Gear IDL 1 per order 11 116 1479 00 1 Press Gear Right 12 116 1480 00 1 Spring IDT Right 13 116 1608 00 1 Assembly Developer Drive 14 116 1609 00 1 Assembly Main Drive 15 116 1483 00 1 Registration Film 16 116 1484 00 1 Circuit Board Earth GRND Ground 17 116 1485 00 1 Spring IDT Left 18 116 1486 00 1 Press Gear Left 98 116 1610 00 1 Gear Assy Press R with 11 and 12 99 116 1611 00 1 Gear Assy Press L with 17 and 18 Parts List 9 3 PL 12 1 Electrical S6200 240 Phaser 6250 Color Laser Printer Service Manual 9 32 PL 12 1 Electrical Service Parts List Table ID No Part Number Qty Name Description 1 116 1612 00 1 Circuit Board Engine Control 2 116 1488 00 1 Rear Fan 3 116 1489 00 2 Harness Clamp Guide 1 per order 4 650 4271 01
147. PL4 1 5 1 Open Door A and Door C 2 Remove the Imaging Unit and protect it from exposure to light 3 Rotate the Retard Roller Assembly item 1 up slide to the right and remove to the left of the printer 6250 245 6250 246 Service Parts Disassembly 8 39 4 Release the tab securing the Retard Roller Shaft item 2 raise the right end and remove the Retard Roller 6250 166 8 40 Phaser 6250 Color Laser Printer Service Manual Chute Assembly In Chute Assembly In PL 5 1 1 1 Remove the Chute Assembly Out page 8 47 Note P J162 is located behind the Motor Driver Board cable retainer Release the retainer from the chassis to access the connector 2 On the right side remove P J162 from the LVPS board 3 Remove 1 screw securing the ground wire green to the right side of the chassis 4 Carefully remove the harness items in the previous Steps from the wire guides along the bottom right side of the chassis Caution Remove the Chute Assembly In slowly and carefully ensuring that the wiring harness does not catch and sustain damage during removal 5 Release latch A Door A and pull the Chute Assembly In forward to remove it from the printer chassis 6250 169 Service Parts Disassembly 8 41 CTD ADC Sensor PL 5 1 11 1 Open Door A 2 Remove the Transfer Roller Assembly Routine Maintenance Item page 8 4 3 Release the 4 tabs securing the CTD Sensor Assembly item
148. Page is printed Adjustments and Calibrations DT AG IH THI 6 3 Resetting NVRAM Resetting NVRAM returns all the Image Processor Board NVRAM stored parameters to their factory default values The print counts and the Adobe firmware serial number are not affected by this reset You can reset the PostScript NVRAM using the Customer Menu or the Service Diagnostics Menu PostScript NVRAM Resets Restore Factory Settings Registration a fF WN You can reset settings for color registration to the factory default values From the Main Menu highlight Troubleshooting and press OK Highlight Print Quality Problems and press OK Highlight Color Registration and press OK to display Color Registration Menu Highlight Restore Factory Settings and press OK to reset the color settings to factory defaults Restore Factory Settings Color a fF WN a You can reset settings for density and color balance to the factory default values From the Main Menu highlight Troubleshooting and press OK Highlight Print Quality Problems and press OK Highlight Calibrate Colors and press OK Highlight Restore Factory Settings and press OK to reset the color settings to factory defaults Highlight Restore Factory Settings NOW and press OK to reset the color settings to factory defaults Restore Previous Settings Color You can return the color settin
149. Panel Continually Displays Install or Reseat Imaging Unit 4 8 Front Panel Continually Displays Warming Up 4 8 Front Panel LED is on Front Panel Display is Blank 4 8 Front Panel Test Prints 5 4 Front Panel Troubleshooting 4 8 Front Right Cover 8 15 Full Stack Sensor 8 50 Functional Specifications 1 12 Fuser Assembly 10 21 Fuser Control 2 13 Fuser Drive Assembly 8 44 Fuser Drive Assembly Transmission Phaser 6250 Color Laser Printer Route 2 34 Fuser Failure 3 70 Fuser Fan 8 8 Fuser Fan Failure 3 73 Fuser Firmware Failure 3 78 Fuser Removal 8 5 G Gear Layout Print Engine and Tray 1 2 18 General Notes on Disassembly 8 3 General Notes on Troubleshooting 3 4 Generic Fan Failure 3 75 H Harness Assemblies 9 34 HCF Drive and Gears Transmission Route 2 25 2 26 HCF Paper Pick Assembly 8 125 High Capacity Feeder Main Wiring Diagram 10 27 High Capacity Feeder Covers 9 37 High Capacity Feeder Guides and Turn Chute Assembly 9 38 High Capacity Feeder Harness 8 25 High Capacity Feeder Harness Board and Motor 9 42 High Capacity Feeder Plug Jack Locator Table 10 10 Holder Toner Cartridge Assembly 9 28 Housing Assembly Bias 8 69 Housing Assembly Contact 8 106 Housing Assembly Electric 8 71 Housing Assembly Retard 9 14 Housing Electric Assembly 8 71 Idler Gear 8 126 Image Processor Board 1 8 8 110 10 26 Image Unit Top Cover Door C 8 10 Imaging Unit
150. Paper Feed 116 1367 00 Kit Bush Exit Chute 116 1596 00 Kit OHP Sensor with Harness 116 1459 00 Kit Registration Sensor Actuator and Spring 116 1627 00 Kit Printer Feet 116 1625 00 Kit Screw Assorted 116 1527 00 Kit Long Screw M3 x 85 2 each 212 0237 00 Kit E Rings Assorted 116 1528 00 Kit Sensor Actuator Assorted Actuators 116 1131 00 Kit Paper Feed Rollers 116 1331 00 2 interchangeable Rollers per Paper Pick Rollers 116 1353 01 2 interchangeable Rollers per Main Shipping Box Phaser 6250 004 5317 00 Phaser 6250 World Kit 061 4482 00 Repackaging Kit Phaser 6250 065 0625 00 Repackaging Kit High Capacity Feeder Phaser 6250 065 061 1 00 Repackaging Kit 500 Sheet Feeder Phaser 6250 065 0627 00 Power Cords Description Part Number Cable Assy 3 18AWG 115 V 98 OL 161 0066 00 Cable PWR EURO 220V 99L 161 0066 09 Cable PWR U K 240 V 96L 161 0066 10 Parts List 9 51 Power Cords Description Part Number Cable PWR AUST 240 V 96L 161 0066 11 Cable Assy SWISS 220 240 V 50 Hz 161 0154 00 Cable Assy PWR DANISH 250 V 161 0240 00 Cable Assy PWR PRC 161 0304 00 Power 240 V ARGENTINA 161 0307 00 Upgrade Kits and Options Description Part Number Internal Hard Drive Service Part 650 4281 00 Memory 64 MB 8M x 64 PC 133 Memory DIMM 156 4838 00
151. Script 3 and PCLSc page description languages The printer is a high performance A4 26 page per minute ppm desktop color laser printer supporting resolutions up to 2400 x 600 dots per inch dpi The Phaser 6250 comes in five configurations The main differences are optional networking standard memory optional high capacity feeder duplexing 2 sided printing capabilities and optional internal hard drive 1 2 Phaser 6250 Color Laser Printer Service Manual A replaceable Configuration Chip holds configuration information that enables or disables built in features as described below Printer Configuration Features 6250B 6250N 6250DP 6250DT 6250DX Max Print Speed 26 26 26 26 26 Memory Mbytes 128 256 256 512 512 PostScript Fonts 137 137 137 137 137 PCL Fonts 81 81 81 81 81 Embedded PCL Yes Yes Yes Yes Yes Job Pipelining No Yes Yes Yes Yes Secure Proof and Saved No Opt Opt Opt Yes Print Jobs PDF 1 4 support No Opt Opt Opt Yes Banner Size printing No Opt Opt Yes Yes Default Resolutions dpi 2400x600 2400x600 2400x600 2400x600 2400x600 Photo Mode No Yes Yes Yes Yes Job Collation No Opt Opt Opt Yes Auto Duplex No No Yes Yes Yes Single Tray 500 Sheet Opt Opt Opt Yes No Feeder Tray 3 1000 Sheet High Capacity Opt Opt Opt Opt Yes Feeder Trays 3 44 Ethernet capabilities Opt Yes Yes Yes Yes USB Parallel Yes Yes Yes Yes Yes Hard Drive Opt
152. See Feed Roll Assembly 6 Feed Roll Assembly When the Tray 1 feed soleniod energizes the Tray 1 gear and the idler gear are engaged by the force of the spring solenoid The feed roll rotates from the drive of the Main Drive Assembly and feeds paper from Theory of Operation 2 29 Tray 1 After rotating one turn the Tray 1 gear and the gear idler are disengaged the drives and feed roll stop allowing only one sheet of paper to be fed through at a time 7 Tray1 No Paper Sensor Actuator detects whether print media is present No paper sensor beam is interrupted 8 Tray1 Feed Solenoid Controls the operation rotation stop of the Feed Roll Assembly by controlling the rotations of the Tray Gear Chute Assembly Exit 6250 060 1 Duplex Motor Supplies the drive to the exit roller mid roller and duplex roller 2 Mid Roller See Exit Roller 3 Exit Roller Rotates through the drive from the Duplex Motor and drives the fused print media partially into the output tray where it then reverses in duplex mode and feeds the print media fused on one side in the direction of the Registration Chute 2 30 Phaser 6250 Color Laser Printer Service Manual Duplex Motor Drive and Gear Transmission Route DUPLEX MOTOR ASSY 7 t 4 a GEAR 48 GEAR 48 GEAR 40 42 GEAR 40 42 y GEAR ROLL GEAR ROLL GEAR42 EXIT ROLL MID ROLL CHUTE ASSY EXIT N a GAS NAA GEAR 30 l DUPLEX ROLL
153. Sensor page 8 73 3 28 Phaser 6250 Color Laser Printer Service Manual Troubleshooting Procedure Table Continued Sieps Action and Questions Yes No 6 Use service diagnostics to test the Go to Step 8 Go to Step 7 Registration Clutch Close the Interlock Switch during the test Does the clutch function correctly 7 Remove the connector J18 Go to Step 8 Replace the Chute Is J 18 4 lt gt J 18 5 less than 2000 Assembly Registration page 8 71 8 Verify the voltage between P 18 4 lt gt P Replace the Chute Replace the 18 2 on the Engine Control Board is Assembly Engine Control 24 VDC Registration Board Close the Interlock Switch while checking page 8 71 page 8 107 the voltage Error Messages and Codes 3 29 Misfeed at Tray 1 MPT Jam T1 Ensure that Tray 1 is securely attached to the printer Try picking paper from a different tray Check the paper path for obstructions or debris Ensure that the media guides are set correctly Cycle printer power If the problem persists follow the procedure below Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Roll Feed Assembly PL 6 1 27 Paper Tray 1 on page 10 17 Paper Present Sensor PL 6 1 4 Paper Feed on page 10 25 MPT Actuator PL 6 1 37 Drive Section on page 10 18 MPT Feed Solenoid PL 6 1 40 Main Wiring Diagram on page 10 15 Chute Assembly R
154. Status Page or Service Usage Profile to determine the temperature and humidity under which the printer is operating Compare this to the environmental specifications for the printer found in Environmental Specifications on page 1 13 of this manual Temperature and humidity extremes can adversely effect the Xerographic and fusing characteristics of the printer The Phaser 6250 printer uses an Imaging Unit that contains all the imaging drums and developers for all four colors in one Routine Maintenance Item Print quality defects can be isolated to one particular component in the print engine See the Repeating Defects chart under Defects Associated with Specific Printer Components on page 5 3 or print the Repeating Defects Page from the front panel When a single component of the Imaging Unit is causing a print quality defect the entire Imaging Unit must be replaced When analyzing a print quality defect first determine if the defect occurs in all colors or only one color and if it is repeating or random Defects occurring in only one color are usually attributable to the Imaging Unit Continuous defects in the process direction such as voids and lines are the most difficult to diagnose The visible surfaces of all rollers should be inspected for obvious defects If no defects are observed the Imaging Unit Transfer Roller and Fuser should be changed one at a time until the defect has been eliminated 5 2 Phaser 6250 Color Laser Printer Servi
155. Steps Actions and Questions Yes No 9 Check J71 lt gt J140 on the EEPROM Replace the Engine Replace the Harness Assembly for continuity Control Board EEPROM Use the wiring diagram Fuser Assembly page 8 107 Harness on page 10 21 Assembly PL 13 1 10 Fuser Firmware Failure Code 76 The CRUM firmware has failed Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References EEPROM Board PL 10 1 14 Fuser Assembly on page 10 21 FSR 4 Harness Assembly PL 5 1 9 Laser Unit on page 10 22 Warning To avoid the potential of electric shock ensure the power to the printer is off and the power cord is disconnected from the wall outlet prior to performing Step 2 of the following troubleshooting procedure Troubleshooting Procedure Table Step Actions and Questions Yes No 1 Check the Fuser Assembly for evidence Replace the parts Go to Step 2 of fault or damage concerned 2 Remove the Fuser Assembly and check Replace the parts Go to Step 3 for broken or bent pins concerned 3 Does the error recur after the Fuser Go to Step 4 Complete Assembly has been replaced with a new one 4 Are P J 144 and P J 145 on the EEPROM Go to Step 5 Replace the board properly seated and defect free EEPROM board page 8 86 5 Check continuity of Harness Assembly Go to Step 6 Replace the FSR4 between J145 lt gt J232 Refer to Assembly
156. This protective shutdown lasts no more than 5 minutes following removal of the overload Initial Actions m Turn off the printer s Power Switch and remove the Power Cord m Remove the Image Processor board page 8 110 m Wait 5 minutes before restoring power to allow the protection circuitry to reset Troubleshooting References Applicable Parts Wiring and Plug Jack Map References Low Voltage Power Supply PL 12 1 10 Power Supply on page 10 16 Control Panel PL 1 1 1 Image Processor Board on page 10 26 Image Processor Board PL 12 1 4 Image Processor Board on page 10 26 Note The Control Panel and indicator LEDs are disabled during print engine testing with the Engine Only Test Print Troubleshooting Procedure Table Steps Action and Questions Yes No 1 Test the print engine Go to Step 2 Go to Step 3 1 Power up the printer with the Image Processor Board removed 2 Run the Engine Only Test Print page 5 9 Was the Test Print successful 2 Check the Image Processor Board or one of its removable components Go to Step 3 Complete Memory NVRAM etc or the Control Panel as one of these components are most likely responsible for the overload condition Does the problem still persist 4 10 Phaser 6250 Color Laser Printer Service Manual Troubleshooting Procedure Table Continued Sieps Action and Questions Yes No 3 Tur
157. Transmission Route 2 17 Main Wiring Diagram 10 15 Major Assemblies and Functions 2 16 Manual Terms 1 iv Map 1 10 6 Map 2 10 7 Map 3 10 8 Map 4 10 9 Map5 10 11 Map 6 10 13 Margin Calibration 6 2 Media and Tray Specifications 1 14 Media Jams and the Paper Path 4 15 Mid Roller 8 64 Misfeed at Tray 1 MPT or Jam TO 3 30 Misfeed at Tray 2 or Jam T1 3 33 Misfeed at Tray 3 or Jam T2 3 36 Misfeed at Tray 4 or Jam T3 3 39 Mis Registration Color Layer not Correctly Registered 5 24 Missing Band Voids Or Streaks 5 16 Missing Band Voids or Streaks 5 18 Motor Control Circuit Board 8 107 Motor Driver Board 8 101 MPT Paper Pick Assembly 8 58 N Network Problems 4 20 No Front Panel Display after Power is Turned ON 4 8 No Paper Actuator 8 30 Index 3 No Paper Low Paper Sensor 8 127 8 145 No Low Paper Sensor 8 30 Non Phaser 6250 Fuser 3 83 Non Xerox Imaging Unit 3 84 O Operating System and Application Problems 4 18 Optional High Capacity Feeder Disassembly 8 111 Optional High Capacity Feeder 9 36 Optional Single Tray Feeder 9 44 Optional Single Tray Feeder Disassembly 8 130 Output Tray Full Actuator 8 50 Output Tray is Full Unload Paper 3 53 Overview 8 2 Overview of Printer Theory of Operation 2 2 p Paper Feed 10 25 Paper Feed Tray 2 2 20 Paper Feed I 9 8 Paper Feed II 9 10 Paper Feed III 9 12 Paper Feed Roller Feeder 8 36 Paper Feed Rolle
158. VER BOARD PL12 1 12 Interlock 24VDC HOLDER ASSY Y Toner Motor Y Toner Motor Y Control Interlock 24VDC HOLDER ASSY M Toner Motor M Motor M Control Interlock 24VDC HOLDER ASSY C Toner Motor C Motor C Interlock 24VDC HOLDER ASSY K Toner Motor K PUY ory a pud BIN mo YE TS 26 gt fC 15 TMOT_Y_XA 27 D C 14 TMOT Y XB 28 D IC 13 PIA morma Plat 29 gt gt K 12 s0 5 TMOT_M_B Pai at S MOT MXA PEI 10 TMOT_M_XB 32 D K 9 PUM orea EM 33 gt yf 8 34 S IMOTCB FH s5 5 TMOT C XA eI 6 HU 36 PAL IMOTCXB T 5 PI morka pud 37 gt KC 4 38 5 TMOT_K_B PE 3 TMOT_K_XA 3 morke IA 40 D T11 Motor K PL10 1 1 PUT uno PAS Tee re 2 PC 4 HI MOT YB mor v xa 3 4 a gt TMOT_Y_XB 5 Pg 1 PL10 1 2 PUT 1 oavpe PHS 6 rfc 5 gt TMOT_M_A 7 cla TMOT_M_B i mor mxa 3 9 gt gt 2 TMOT_M_XB 10 sl 1 PL10 1 3 PISI nung PASI ka Tao Ca pd 2 morce 4 2 gt 13 TMOT C XA m morce IC 23 K 1 PL10 1 4 P J51 P J514 n Beane KAN 25 alla TMOT KB noi morka K 3 27 MOT K XB 28 gt
159. Verify the proper alignment of the biasing springs 8 70 Phaser 6250 Color Laser Printer Service Manual Chute Assembly Registration PL 9 1 6 and Housing Assembly Electric PL 9 1 11 1 Remove the Imaging Unit and protect it from exposure to light 2 Release the 2 tabs securing the Housing Assembly Electric cover to the printer and lift straight up to remove 3 Disconnect P J18 blue from the Registration Chute Assembly to the Engine Control Board 4 Disconnect P J32 blue from the OHP Sensor to the Engine Control Board 6250 205 5 Remove the 4 screws securing the Registration Chute Assembly Service Parts Disassembly 8 71 6 Raise the left side of the Registration Chute Assembly and pull towards the left side of the printer to remove 6250 206 Replacement Notes Note Ensure the mylar strip item 1 is not bent or pinched but seated properly in the middle cavity of the Registration Chute when reassembling When reinstalling the Registration Chute ensure that the spring on the left rear corner does not get damaged and that it makes contact with the electrical connection on the Engine Control Board 8 72 Phaser 6250 Color Laser Printer Service Manual Registration Sensor Actuator PL 9 1 9 and Registration Sensor PL 9 1 8 Removal of Actuator 1 Remove the Chute Assembly Registration page 8 71 2 Shift the actuator item 1 to the left lift up on the right side a
160. Window Chute Assembly Registration See Chute Assembly Registration REGI on page 2 32 2 35 Imaging Unit Charge Voltage Contacts 6250 072 Charge Voltage Developer Voltage IDT2 Voltage IDT2 Refresher Cleaner IDT1 Voltage IDT1 Refresher Cleaner Drum Refresher Cleaner O N Oat O N Drum Ground Contacts 2 36 Phaser 6250 Color Laser Printer Service Manual 6250 073 Imaging Unit Left Side View 1 IDT2 2 IDT2 Refresher Cleaner 3 IDTI 4 IDT1 Refresher Cleaner 5 Drum Refresher Cleaner 6 Developer 7 Charge Roller Theory of Operation 2 37 Toner Cartridge Assembly 6250 063 1 Sub High Voltage Power Supply Board Supplies high voltage to the Transfer Roller and the Detack Saw for the tertiary transfer and static elimination part of the printing process 2 CRUM Reader The Customer Replaceable Unit Monitor CRUM detects toner usage and provides a front panel monitor of remaining levels for each color 3 Toner Cartridge Y M C K Individual toner bottles containing toner mixture 4 Toner Cartridge Holder Assembly and Toner Motors Y M C K The Toner Cartridge Holder Assemblies each contain a toner motor which supplies the drive to the Agitator in the Toner Cartridges and to the Auger in the Toner Cartridge Holder supplying toner to the developer in the Imaging Unit 5 Low Tone
161. Write Test Executing Passed Exit Exits service diagnostics and reboots the printer Does an extended memory test on the Image Processor Board Note Cycle power to the printer after executing this test Jam History Error Codes Table Jam History located in the Troubleshooting Service Tools menu on the Front Panel uses a two field format The first field represents the Jam location The second field indicates the page count when the jam occurred Jam History Front Panel Message Help Text Code Code Misfeed at Tray 1 MPT Jam T1 155 1 Misfeed at Tray 2 Jam T2 156 2 Misfeed at Tray 3 Jam T3 157 3 Misfeed at Tray 4 Jam T4 158 4 Jam at Fuser Jam F 152 5 Jam at Duplex Jam D 153 6 Jam at Registration Roller Jam RR 154 7 3 16 Phaser 6250 Color Laser Printer Service Manual Error Messages and Codes Summary Table Error Type Front Panel Message Help Text Code Jam Errors Jam at Fuser Jam F 152 Jam at Duplex Jam D 153 Jam at Registration Roller Jam RR 154 Misfeed at Tray 1 MPT Jam T1 155 Misfeed at Tray 2 Jam T2 156 Misfeed at Tray 3 Jam T3 157 Misfeed at Tray 4 Jam 14 158 Door and Cover Errors Close Front Door Consumable Routine Maintenance Item Errors Install or Reseat Imaging Unit Replace Imaging Unit or Imaging Unit is at End of Life Install or Reseat Transfer Roller Replace Transf
162. XEROX Service Manual 701P46430 Phaser 6250 Color Laser Printer NI NN XE ROX Service Manual 701P46430 Phaser 6250 Color Laser Printer Warning The following servicing instructions are for use by qualified service personnel only To avoid personal injury do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so Revised January 2007 Copyright 2003 2007 Xerox Corporation All Rights Reserved Unpublished rights reserved under the copyright laws of the United States Contents of this publication may not be reproduced in any form without permission of Xerox Corporation Copyright protection claimed includes all forms of matters of copyrightable materials and information now allowed by statutory or judicial law or hereinafter granted including without limitation material generated from the software programs which are displayed on the screen such as styles templates icons screen displays looks etc Xerox technical training materials and service manuals are intended for use by authorized Xerox service technicians and service partners only and are not for resale These materials may not be distributed copied or otherwise reproduced without prior written consent from Xerox Corporation XEROX The Document Company the digital X CentreWare infoSMART Made For Each Other PagePack Phaser PhaserSMART and Walk Up
163. a from digital signals to optical signals The laser assembly monitors and adjusts the light intensity of the laser beams to attain a stable electrostatic image Variations in drum sensitivity may prevent the system from obtaining a proper electrostatic image Process Control For stable printing the parameters related to forming both the electrostatic and toner image must be continuously monitored and adjusted by the printer Parameter correction and control over the entire printing process is called process control There are two main areas of control m Bias Control m Toner Density Control To supplement these two controls the following are provided m High Area Coverage Mode Control m Admix Mode Control m Toner Density Control CTD Sensor ADC Automatic Density Control LED light density setting Bias Control To attain stable image density toner density is monitored for each color and the drum charging voltage and biasing DC voltages are adjusted according to the monitored results for each color The bias control adjustment is made immediately before the start of printing if any of the following conditions is satisfied m First print produced after the power on m Cumulative print count exceeds 16 since power on m A cleaning cycle is executed during continuous printing 2 6 Phaser 6250 Color Laser Printer Service Manual Bias control operates as follows 1 The Temperature Humidity Sensor sets the target values
164. a shows damage from all trays check for problem in registration roller area 5 Inspect the paper tray and path for debris or broken components Fuser Jams 1 Ensure the paper is in good condition and is the correct type for the printer See Media and Tray Specifications on page 1 14 for the correct media types sizes and weights for each tray Try loading new media from a fresh ream 2 For OHPs ensure that only Phaser 25 Series Premium Transparency Film is being used 3 Check that the Fuser is properly seated locked and the gearing operates normally 4 Check that the printer is operating within its environmental specifications by using the Printer Status Page 5 Ensure that the loaded media matches the front panel settings 6 Are the margins on the page greater than 5 mm 7 Check the Fuser area for debris 8 Visually inspect the Fuser baffle for burrs 4 16 Phaser 6250 Color Laser Printer Service Manual 9 Test the fuser motor using service diagnostics 10 See Jam at Fuser Jam F on page 3 19 for troubleshooting Fuser Jams Exit jams j Ensure the paper is in good condition and is the correct type for the printer See Media and Tray Specifications on page 1 14 for the correct media types sizes and weights for each tray Ensure the printer is within its operating environmental specifications 3 If media is showing excessive curl when exiting try loading new media from a fresh ream or a d
165. actuation and state changes of all sensors and switches Interlock Switch Registration Sensor Exit Sensor Duplex Sensor Full Stack Sensor Black Toner K Low Empty Sensor Cyan Toner C Low Empty Sensor Magenta Toner M Low Empty Sensor Yellow Toner Y Low Empty Sensor Black Toner Cart Present Switch Cyan Toner Cart Present Switch Magenta Toner Cart Present Switch Yellow Toner Cart Present Switch Black Toner CRUM Sensor Cyan Toner CRUM Sensor Magenta Toner CRUM Sensor Yellow Toner CRUM Sensor Tray 2 Low Paper Sensor Tray 3 Low Paper Sensor Tray 4 Low Paper Sensor Phaser 6250 Service Diagnostic Menu Map Sensor Switch Tests cont d Tray 1 MPT No Paper Sensor Tray 2 No Paper Sensor Tray 3 No Paper Sensor Tray 4 No Paper Sensor Transfer Roller Toner Full Sensor Image Unit Installed Not Installed Fuser Fan Alarm Sensor Rear Fan Alarm Sensor ADC CTD Sensor OHP Sensor Fuser Center Temp Sensor Fuser Edge Temp Sensor Fuser Center Temp Amplifier Sensor Fuser Temp Compensation Sensor Clutch Tests Tests the functionality of the clutches by giving service personnel the ability to energize de energize one clutch at atime Registration Clutch Tray 1 MPT Turn Clutch Tray 2 Turn Clutch Tray 3 Turn Clutch Tray 4 Turn Clutch Solenoid Tests Tests the functionality of the solenoids by giving service personnel the ability to energize de energize one solenoid at a time Tray 1 MPT Feed Solenoid Tray 2 Feed
166. age 8 22 3 Release the tab securing the Stopper Clutch item 2 to the shaft on the right side of the Paper Pick Assembly 4 Pull out the Stopper Clutch 5 Disconnect P J475 blue from the Turn Clutch Asssembly 6 Pull out the Turn Clutch Assembly item 1 6250 160 8 34 Phaser 6250 Color Laser Printer Service Manual Roll Turn Assembly PL3 3 20 Remove the Printer Chassis from the Paper Feeder Assembly page 8 20 Remove the Paper Pick Assembly page 8 22 Remove the Clutch Turn Assembly page 8 34 Bb Q N a Release the tab securing the Gear Feed 2 item 2 to the shaft of the Paper Pick Assembly and pull out the Gear Feed 2 5 Pull out the Idler Gear item 1 and Idler Gear In item 3 from the Paper Pick Assembly 6 Remove the right and left e rings securing the shaft of the Roll Turn Assembly to the Paper Pick Assembly 7 Remove the metal bearing item 6 securing the right shaft end of the Turn Roll Assembly 8 Remove the black bearing item 4 securing the left shaft end of the Roll Turn Assembly 9 Remove the shaft item 5 from the Paper Pick Assembly 6250 161 Replacement Notes Note Ensure that metal bearing is replaced on the clutch end of the shaft Service Parts Disassembly 8 35 Paper Feed Roller Routine Maintenance Item 1 Pull paper tray out of the printer 2 Release 1 tab securing the Paper Feed Roller item 1 to the feed shaft item 2 3 Slide th
167. ain Low voltage Power Supply Overvoltage Protection Circuit This circuit stops all outputs if the 24 VDC 5 VDC or 3 3 VDC power supply exceeds the specified voltage The operating point is 32 VDC or more for 24 VDC 7 VDC or more for 5 VDC or 6 VDC or more for 3 3 VDC Fan Output Circuit For the Fan Rear ON H signal the output voltage varies depending on the status of FAN LOW signal and FAN STOP signal from the Fan Control circuit on the LVPS refer to Power Supplies on page 10 16 24 VDC Output Stopped By Interlock Switch Opening Door A B or C opens the front cover interlock switch This shuts off the 24 VDC supplied by the Motor Driver Board to the motors clutches and solenoids 4 12 Phaser 6250 Color Laser Printer Service Manual AC Power Supply Troubleshooting Troubleshooting References Applicable Parts Wiring and Plug Jack Map References Low Voltage Power Supply PL 12 1 10 Power Supply on page 10 16 AC Switch Harness Assembly PL 12 1 11 Drive Section on page 10 18 Procedure Step Action and Questions Yes No 1 1 Check the voltage at the AC wall outlet Go to Step 2 Notify the Is there approximately 110 VAC or 220 VAC customer of if the printer is a 220 V model at the AC wall improper AC outlet output from the outlet 2 1 Check the power cord for defects ora loose Replace or Go to Step 3 connection reseat the power cord 3 1 Disconnect the Power Cord and turn the A
168. ann EYA NA 5 24 Dirty Vertical Streaks on the Edges of the Page 5 25 6 Adjustments and Calibrations Calibrations ccc eee nee eee teen nn ees 6 2 Color Calibration 6 2 Margin Calibration a 6 2 ACJUSUMONTS aa a bng KG AD Mama NA a haaa an 6 3 Horizontal and Vertical Color Registration 6 3 Resetting NVRAM a a and td oe Meee eke 6 4 PostScript NVRAM ResetS 00 cece eee e eens 6 4 Service Diagnostics PostScript NVRAM Resets 6 8 7 Cleaning and Maintenance Service Preventive Maintenance Procedure 7 2 GIBAIN Gi 2 2 kna 8 Se cued naaa ag bss desided Nha ye need 7 2 8 Service Parts Disassembly QVEIVIEW segi kaha More ah ba an bA piesa Anh ab 8 2 Standard Orientation of the Printer 0008 8 2 General Notes on Disassembly ccc eee eee eee 8 3 PREPAPAUION ines aa a delve ohne Goede a deed a ae oa Daewoo aoe 8 3 Notations in the Disassembly Text 00 c eee eee 8 3 Removing Routine Maintenance Items and Consumables 8 4 Transfer Roller Removal a 8 4 Imaging Unit Removal a 8 4 Fuser Removal 8 5 Toner Cartridge Removal 00 c cece ee eee 8 5 Print Engine Disassembly 0 0 cece cece eee eee 8 6 COVES e esd aa magpa aa e bn het oan coats ace 8 6 Front Cover PL 1 1 2 00 c cece eee 8 6 Front Panel PL 1 1 1 2 2 cece eee eee eee 8 7
169. arnesses to the EEPROM Board contain the same number of pins but are NOT interchangeable Make sure P J144 yellow is connected to the top connector and P J145 gray is connected to the bottom connector 2 Disconnect P J144 and P J145 from the EEPROM Board on the left side of the printer 3 Remove 1 screw securing the EEPROM Board and remove the board Note When a new EEPROM Board is installed in the printer the CRUM data written to the EEPROM makes it unique to that printer The EEPROM board cannot be re used in another printer LEFT 6250 219 8 86 Phaser 6250 Color Laser Printer Service Manual Sub High Voltage Power Supply Board PL 10 1 15 1 Remove the Left Side Cover page 8 11 Disconnect P J5011 P J5030 and P J5020 from the Sub High Voltage Power Supply Board N wo Remove the 4 screws securing the board to the printer and remove the Sub High Voltage Power Supply Board LEFT 6250 220 Service Parts Disassembly 8 87 Frame and Drive Assemblies Left Lever Plate PL 11 1 1 Lever Bracket PL 11 1 2 Lever Link PL 11 1 3 Lever Drum PL 11 1 4 and Lever Spring PL 11 1 5 1 Remove the Left Cover page 8 11 2 Remove the Top Imaging Unit Cover Door C page 8 10 3 Unhook the Left Link Spring PL1 1 22 6250 221 4 Remove the Housing Assembly Bias page 8 69 5 Remove the 4 screws securing the Left Plate Assembly item 1 6 Press on the ali
170. at End of Life error Replace Transfer Roller warning messages are reset if the toner full sensor does not detect a full waste toner recovery space when power is turned on or the front cover is opened and closed Theory of Operation 2 11 Toner Control Toner Cartridge installation is detected by the Toner Present CTG In Switch and the presence of toner is detected by the Toner Low Sensor These switches and sensors are provided for each toner color CMYK and detection is made for each individually Toner Low Sensor The toner low sensor checks one color every 3 5 seconds requiring 14 seconds to detect all four colors The toner low sensor is attached to the Toner Cartridge Holder Assembly It detects toner dispensed by the toner motor from the toner cartridge into the auger tube The toner low sensor can make a false detection if toner has stuck to the surface of the sensor To prevent this a film attached near the auger in the toner cartridge holder assembly cleans the sensor surface whenever toner is dispensed This film rotates with the auger as toner is dispensed scraping toner off the toner low sensor surface The toner low sensor may detect toner even if toner is not present or may not detect the toner even if toner is present depending on the film position when the toner motor stops This is avoided by the printer s internal toner presence control Toner Presence Control 1 Checks for toner presence when the p
171. ated by the main drive assembly through the turn clutch to feed paper from Tray 1 to the registration chute Registration Roll See Xerographics on page 2 35 2 Turn Clutch Transfers drive energy from the main drive assembly to the roll turn through a friction clutch Theory of Operation 2 27 Chute Assembly In 6250 058 1 CTD ADC Sensor Detects the presence of the Transfer Roller and monitors the density of toner on the surface of the transfer roller then feeds it back to the process control 2 Fuser Assembly See Transfer Roller and Fuser Assembly on page 2 33 3 Waste Toner Full Sensor Detects when the waste toner collect space in the transfer roller assembly is full 4 Fuser Drive Assembly Supplies the drive to the Fuser Assembly 2 28 Phaser 6250 Color Laser Printer Service Manual Chute Assembly Out 6250 059 1 Full Stack Output Tray Full Sensor Detects a full output tray over accumulation of print media by the position of the actuator This is only checked when the paper is feeding into the exit 2 Duplex Jam Sensor Detects when print media has reached and passed through the duplex roller based on the position of the actuator 3 Duplex Roller The duplex roller rotates under drive from the duplex motor and feeds the print media returned from the chute assembly exit to the roll turn in the retard housing assembly 4 Gear Main Drive See Feed Roll Assembly 5 Tray 1 Gear
172. blem persists follow the procedure below Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Paper Pick Roller Kit PL 14 4 3 HCF or PL 15 4 3 STF Paper Tray 3 on page 10 29 Paper Feed Roller Kit PL 14 1 2 HCF or PL 15 1 2 STF Paper Feed on page 10 25 HCF Paper Pick Assembly PL 14 4 1 HCF or PL 15 4 1 STF STF Drive Section on page 10 28 HCF or page 10 32 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Does the printer feed paper correctly from Go to Step 2 See Misfeed at Tray 2 Tray 2 Jam T2 on page 3 33 2 Does the lower tray assembly LTA HCF or Goto Step 9 Go to Step 3 STF Motor run when printing one sheet 3 Use service diagnostics to test the LTA Motor Replace the Go to Step 4 Does the LTA motor function correctly Engine Control Board page 8 107 4 Verify the voltage between P J84 3 lt gt P Go to Step 7 Go to Step 5 J81 1 on the Lower Feeder Circuit Board is 24 VDC 5 Verify the voltage between P J81 2 lt gt P Replace the Go to Step 6 J81 1 on the Lower Feeder Circuit Board Lower Feeder LTA is 24 VDC Circuit Board PL 14 5 1 or PL 15 5 1 3 36 Phaser 6250 Color Laser Printer Service Manual Troubleshooting Procedure Table Continued Steps Actions and Questions Yes No 6 Verify the connector between the LTA an
173. cable Parts Wiring and Plug Jack Map References Laser Unit PL 9 1 1 Laser Unit on page 10 22 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check and reseat P J151 on the Laser Complete Go to Step 2 Unit Does the printer function correctly if the harness is reseated 2 Replace the Laser Unit Go to Step 3 Complete Does the error recur after the Laser Unit has been replaced 3 Check the Laser Harness for continuity or Replace the Replace the damage ROSKA Harness Engine Control See the wiring diagram Laser Unit on Assembly Board page 10 22 PL 13 1 5 page 8 107 3 68 Phaser 6250 Color Laser Printer Service Manual Density Sensor Failure Code 13 Density Sensor Failure Code 14 Density Limit Over Output Code15 Density Limit Code 16 This is a generic density sensor error that is generated when a code 13 14 or 15 is not specifically triggered Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References CTD ADC Sensor Assembly PL 5 1 11 Xerographics 1 on page 10 23 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Clean the CTD ADC Sensor to remove Complete Go to Step 2 any toner build up Does this fix the problem 2 Use service diagnostics to test the CTD Go to Step 4 Go to Step 3 ADC Sensor Does the sensor function correctly 3 Replace t
174. cation Check for upgrade availability or contact the application vendor for further diagnosis General Troubleshooting 4 19 Windows printing problems Image never prints Try printing a test page from the printer driver s properties dialog box Try printing from another application Try printing to another network PostScript printer Try printing from another computer a fF OQ N If the error returns turn ON the PostScript error handler through the front panel PostScript Error Info in the Support menu or CentreWare IS and print the document again Take note of the information on the error page that just printed Network Problems The Phaser 6250 printer maintains six logs in memory detailing network functions The logs contain TCP IP NetWare and AppleTalk initialization and runtime events The logs can also be accessed remotely via CentreWare IS The logs list events chronologically The log is limited in length when the log is full the printer stops recording data to the log The logs are stored on the Hard Drive so only new data is stored each time the printer s power is cycled There is a Connection Setup Page Configuration Page and a network reset available for troubleshooting Network problems To print an Start Log Runtime Log or Configuration Page 1 Enter normal Customer Mode From the main menu highlight Printer Setup menu for the Configuration Page or Troubleshooting menu for the logs and
175. ce Manual Defects Associated with Specific Printer Components Some print quality problems can be associated with specific assemblies the most common problems and the associated assemblies are listed below Also refer to the specific print quality troubleshooting procedure for more information Imaging Unit Streaks Fine Lines Banding in Process Direction Uneven Density Voids Repeating Defects Transfer Roller Fuser Toner on the back side of the printed page simplex mode Light Prints Repeating Defects Hot or Cold Offsetting Repeating Defects Repeating Defects Routine Maintenance Item Component Distance between Defects Imaging Unit Developer Roller YMCK 28 mm 1 10 in Drum YMCK 62 mm 2 44 in Drum Charge Rollers 25 mm 1 in IDT 1 Y andM C and K 132 mm 5 20 in IDT 2 all colors together 132 mm 5 20 in Transfer Roller Transfer Roller 64 mm 2 52 in Fuser Assembly Fuser Assembly 82 mm 3 23 in Print Quality Troubleshooting 5 3 Front Panel Test Prints A variety of test prints are available to aid in determining the quality of output from the printer and to assist in troubleshooting problems This section shows how to select and analyze all test prints available From the printers front panel display select Troubleshooting menu select Service Tools Menu and then select Service Test Pages Test Print 1 CMYK Sample Page
176. ch Turn and Paper Size Switch 48 2 Motor Driver Board Main Drive Assembly 49 2 Motor Driver Board Developer Drive Assembly 50 2 Connects Motor Driver Board Chute Assembly Exit Duplex Motor Assembly and Front Cover Assembly Fan Fuser 51 2 Motor Driver Board Toner Cartridge Holder Assembly Toner Present Sensor Low Toner Sensor Toner Motor and CRUM Reader Board 52 2 Motor Driver Board Chute Assembly In Fuser Drive 60 2 Motor Driver Board LVPS Assembly 61 2 Motor Driver Board LVPS Assembly 71 3 EEPROM Harness Assembly Plate Dispenser L Assembly 131 1 Chute Assembly Exit Engine Control Board Duplex Motor Assembly 132 1 Chute Assembly Out FRONT 1A Harness Assembly MPT Feed Solenoid 133 1 Chute Assembly Out FRONT 1A Harness Assembly Duplex Jam Sensor 134 1 Chute Assembly Out FRONT 1A Harness Assembly Full Stack Sensor 135 1 Chute Assembly Out Tray 1 FRONT 1A Harness Assembly MPT No Paper Sensor 136 2 Assembly Front In FRONT 1A Harness Assembly Sensor CTD ADC Assembly 137 1 Front Cover Fan Fuser Motor Driver Board 138 3 FRONT 1A Harness Assembly Fuser Assembly 139 3 FRONT 1A Harness Assembly Chute Assembly Out Tray 1 MPT Feed Solenoid Duplex Jam Sensor Full Stack Sensor Tray 1 MPT No Paper Sensor 10 3 Plug Jack Locator Table Continued P J No Map Connected to Other end connected to 140 3 Connect
177. cket and Actuator PL 10 1 6 and 10 1 22 on page 8 82 Note To prevent toner spills leave the Toner Cartridge locked in place and rotate the Toner Holder Assembly so the sensor is facing up before removing the sensor 2 Push open the 4 tabs securing the Low Toner Sensor to the holder and remove the sensor 6250 218 8 84 Phaser 6250 Color Laser Printer Service Manual CRUM Reader Box Assembly PL 10 1 21 Remove the Top Main Cover page 8 9 Remove the Right and Left Side Covers page 8 11 Remove the Rear Cover page 8 12 Disconnect P J 342 and P J 3411 from the CRUM Reader Box Assembly and remove the wires from the cable holders A Q N a 5 Remove the 7 screws securing the CRUM Reader Box Assembly item 1 to the printer 4 underneath the cartridge holders 2 connecting the bottom of the CRUM to the Dispenser Plate item 2 and 1 inserted vertically through the front of the CRUM 6 Push in slightly on the Dispenser Plate to disengage the locator pins lift the CRUM slightly and slide it out to the left rear 6350 492 Replacement Notes Note Support the CRUM Reader from underneath and slide it into position Position each cartridge holder working from Yellow to Black and slide the CRUM to the right to lock the cartridge holders in place Service Parts Disassembly 8 85 EEPROM Board PL 10 1 14 1 Remove the Left Side Cover page 8 11 Caution The yellow and gray h
178. ctrical Components Before starting any service procedure switch off the printer power and unplug the power cord from the wall outlet If you must service the printer with power applied be aware of the potential for electrical shock Warning Turning the power off by using the On Off switch does not completely de energize the printer You must also disconnect the printer power cord from the AC outlet Position the power cord so that it is easily accessible during servicing Warning Do not touch any electrical component unless you are instructed to do so by a service procedure Servicing Mechanical Components When servicing mechanical components within the printer manually rotate drive assemblies rollers and gears Warning Do not try to manually rotate or manually stop the drive assemblies while any printer motor is running Servicing Fuser Components Warning This printer uses heat to fuse the toner image to media The Fuser Assembly is VERY HOT Turn the printer power off and wait at least 5 minutes for the Fuser to cool before you attempt to service the Fuser Assembly or adjacent components Service Manual ix Regulatory Specifications Federal Communications Compliance The equipment described in this manual generates and uses radio frequency energy If it is not installed properly in strict accordance with Xerox instructions it may cause interference with radio and television reception or may not function proper
179. d board over to the new board Phaser 6250 Color Laser Printer Service Manual Caution Re install the Engine Control Board and the Card Cage prior to installing the Chute Assembly Registration and the Housing Assembly Bias to prevent damaging the bias springs Caution Position the replacement board so that the alignment pin goes through the hole next to the left rear screw hole in the board Note Ensure that all 3 tabs on the card cage are fully inserted when reassembling the unit Note The black connector P30 and the beige connector P23 on the Engine Control Board are not used Service Parts Disassembly 8 109 Image Processor Board PL12 1 4 Caution Observe proper ESD procedures page 8 3 when removing any circuit board from the printer Turn the printer power off Disconnect any cables attached to the Image Processor board Loosen the 2 thumb screws securing the Image Processor board to the printer A Q N Holding both knobs on the Image Processor board pull the board straight out from the printer to remove 4 Y v ag 6250 251 Replacing the Board The following items MUST be moved from the original Image Processor Board to the new board See Image Processor Board on page 9 32 for the exact locations of each component Memory Hard Drive if installed m Configuration Upgrade Chip i Button m NVRAM Print a Configuration Page after the new board is installed t
180. d close the front door Observe the Turn Roller Dose the Turn Roller turn while the machine is warming up 9 Does the Tray 4 Turn Clutch Assembly Go to Step 14 Go to Step 10 function correctly when feeding 1 sheet of paper 10 Use service diagnostics to test the Tray 4 Turn Check the clutch Go to Step 11 Clutch for slip or the Does the clutch function correctly gears for damage 11 Verify the voltage between P J83 13 lt gt P Go to Step 12 Replace the J81 1 on the Lower Feeder Circuit Board is Lower Feeder 24 VDC Circuit Board PL 14 5 1 12 Check the Tray 4 Harness for continuity Go to Step 13 Replace the Tray See Paper Tray 4 on page 10 30 4 Harness Assembly PL 14 4 13 Remove the Assembly Clutch Turn Tray 4 Go to Step 14 Replace the Tray connector J835 4 Turn Clutch Is J835 1 lt gt J835 2 less than 200 ohms Assembly PL 14 4 18 14 Does the Feed Gear in the Tray 4 Feeder turn Check the Go to Step 16 when feeding 1 sheet of paper Solenoid for damage 15 Use service diagnostics to test the Tray 4 Check the Go to Step 17 Clutch Solenoid stopper on the Does the solenoid function correctly feed solenoid and replace if necessary 16 Verify the voltage between P J83 11 lt gt P Go to Step 17 Replace the J81 1 on the Lower Feeder Circuit Board is Lower Feeder 24 VDC Circuit Board PL 14 5 1 17 Remove the Tray 4 Feed Solenoid connector Go to Step 18 Replace the Tray J834 4
181. d the Replace the Go to Step 7 printer is connected properly and not damaged part damaged 7 Replace the LTA Motor Does the error recur Go to Step 8 Complete after the LTA Motor has been replaced with a new one 8 Perform Steps 1 through 3 on page 8 113 Go to Step 13 Go to Step 9 Open and close the front door Observe the Turn Roller Does the Turn Roller turn while the machine is warming up 9 Use service diagnostics to test the Tray 3 Turn Check the Go to Step 10 Clutch During the test close the Interlock Clutch for Switch Does the Tray 3 Turn Clutch function slipping or the correctly gear for damage 10 Verify the voltage between P J82 13 lt gt P Go to Step 11 Replace the J81 1 on the Lower Feeder Circuit Board Lower Feeder LTA is 24 VDC Circuit Board PL 14 5 1 or PL 15 5 1 11 Check the Tray 3 Harness Assembly for Go to Step 12 Replace the Tray continuity 3 Harness See Paper Tray 3 on page 10 29 Assembly PL 14 5 3 or PL 15 5 3 12 Remove the clutch connector J825 Go to Step 13 Replace the Tray Is J825 1 lt gt J825 2 of the Tray 3 Turn 3 Turn Clutch Clutch Assembly less than 200 ohms Assembly PL 14 4 18 or PL 15 4 18 13 Does the Feed Gear in the Tray 3 Feeder turn Check the Tray 3 Go to Step 14 when printing one sheet of paper Feed Solenoid for damage 14 Use service diagnostics to test the Tray 3 Check the Go to stop 15 Clutch Solenoid stopper on the Does the solenoid function cor
182. d to operate from a power source that will not apply more then 264 volts rms for a 220 volt AC outlet or 140 volts rms for a 110 volt AC outlet between the supply conductors or between either supply conductor and ground A protective ground connection by way of the grounding conductor in the power cord is essential for safe operation Warning Labels Read and obey all posted warning labels Throughout the printer warning labels are displayed on potentially dangerous components As you service the printer check to make certain that all warning labels remain in place Safety Interlocks Make sure all covers and the printer s front panel are in place and all interlock switches are functioning correctly after you have completed a printer service call If you bypass an interlock switch during a service call use extreme caution when working on or around the printer CLASS 1 LASER PRODUCT The Phaser 6250 Color Laser Printer is certified to comply with Laser Product Performance Standards set by the U S Department of Health and Human Services as a Class 1 Laser Product This means that this is a class of laser product that does not emit hazardous laser radiation this is possible only because the laser beam is totally enclosed during all modes of customer operation When servicing the printer or laser unit follow the procedures specified in this manual and there will be no hazards from the laser viii Phaser 6250 Color Printer Servicing Ele
183. d transfers to IDT1 During this transfer the remaining negative charge on the drum is neutralized by the high positive charge on IDT1 Secondary Transfer IDT1 5 IDT2 The toner images formed on both IDT surfaces are then transferred onto the surface of IDT 2 to create a complete 4 color toner image IDT2 is also conductive and receives a positive voltage from the HVPS The received voltage puts IDT2 at a higher potential than IDT1 thus attracting the toner image and facilitating the transfer Cleaning The IDT1 cleaner consists of a conductive roller brush rotating in contact with IDT1 after the point where the toner is transferred to IDT2 The cleaner receives a high positive voltage from the HVPS allowing it to electrically attract any toner particles remaining on IDT1 Toner remaining on both IDT1 s after the image transfer to IDT2 is temporarily stored in the IDT1 cleaners Tertiary Transfer The finished toner image on IDT2 is transferred onto the print media using the voltage supplied by the transfer roller The conductive transfer roller receives a high positive voltage from the HVPS that puts it at a higher potential than IDT2 Since the transfer roller is located behind the print media the 4 color toner image is attracted to the high potential and deposits on the surface of the print media Cleaning The IDT2 cleaner consists of a conductive roller brush rotating in contact with IDT2 after the point where the ton
184. des and Turn Chute Assembly 9 46 Single Tray Feeder Harness Board and Motor 9 50 Single Tray Feeder Main Wiring Diagram 10 31 Single Tray Feeder Plug Jack Locator Table 10 12 Solid Dark or Dirty Prints No Border 5 15 Specifications regulatory 1 x Standard Orientation of the Printer 8 2 Static Eliminator Assembly 8 55 STF Paper Pick Assembly 8 144 Strap 8 67 Sub High Voltage Power Supply Board 8 87 Summary of the Printing Process 2 2 Symbols Marked on the Product I v Symbols on product I v System Boot Sequence 4 3 System Start Up and POST 4 3 T Temperature Humidity Harness and Sensor 8 24 Test Pattern Sample 5 6 Toner Cartridge 3 54 Toner Cartridge Assembly 2 38 Toner Cartridge Failure 3 82 Toner Cartridge Holder Assembly 8 80 Toner Cartridge Holder Unit Assembly 8 77 Toner Cartridge Removal 8 5 Toner Control 2 12 Toner Full Sensor 8 43 Toner Low Sensor 8 84 Toner Motor Drive Assembly Transmission Route 2 40 Top Main Cover 8 9 Transfer Roller amp Fuser Assembly Index 5 RMIs 9 24 Transfer Roller and Fuser Assembly 2 33 Transfer Roller Assembly Control 2 11 Transfer Roller is at End of Life 3 45 Transfer Roller Removal 8 4 Tray 1 MPT 8 14 Tray 1 Actuator 8 53 Tray 1 Bottom Plate 8 61 Tray 1 Feed Solenoid 8 59 Tray 1 Paper Pick Assembly 8 58 Tray 1 Paper Pick Assembly PL 6 1 27 8 58 Tray 1 Sensor 8 53 Tray 1 Shaft 8 60 Tray 3 and Tray 4
185. e Go to Step 3 Paper Size Switches Use the table below Control Board for reference page 8 107 Do the switches function correctly 3 Verify the pertinent voltages on pins Go to Step 4 Replace the P J47 1 lt gt P J47 3 Paper Size P J47 2 lt gt P J47 3 Switch P J47 4 lt gt P J47 3 page 8 26 Correspond to the paper size switch position chart below 4 Verify the pertinent voltages on pins Replace Engine Replace the P J42 16 lt gt P J42 15 Control Board Motor Driver P J42 17 lt gt P J42 15 page 8 107 Board P J42 18 lt gt P J42 15 page 8 101 Correspond to the paper size switch position chart below Error Messages and Codes 3 55 Paper Size Switches are indicated as SW1 SW2 and SW3 Paper Size Switch Paper Size Swi sw2 sw3 LEGAL 14 ON ON ON LEGAL 13 ON ON OFF EXECUTIVE ON OFF ON B5 ON OFF OFF A4 OFF ON ON A5 Provided for reference only Supported by Tray 1 OFF ON OFF MPT only A OFF OFF ON No Tray OFF OFF OFF 3 56 Phaser 6250 Color Laser Printer Service Manual Insert Tray 3 4 or Tray 3 4 Missing m Remove Tray 3 4 and inspect the tray cavity of the printer to ensure that it is free of obstructions or debris Reinstall the tray Cycle printer power If the problem persists follow the procedure below Note Paper Tray 3 can refer to either the High Capacity Feeder HCF or 500 sheet Feeder Par
186. e Feeder Assembly PL14 5 5 a 8 117 Indicator Assembly PL14 5 9 aa 8 118 Right Tray Guide PL14 3 5 and Low Paper Lever PL 14 5 8 8 119 Left Tray Guide PL14 3 3 aaa 8 122 Link Actuator PL 14 4 6 0 8 124 HCF Paper Pick Assembly PL14 4 1 8 125 Idler Gear PL14 5 6 000 c cece eee 8 126 No Paper Low Paper Sensor PL14 5 7 8 127 Paper Size Switch Assembly PL14 3 6 8 128 Casters Locking PL 14 2 5 Non Locking PL 14 2 6 8 129 Optional 500 sheet Feeder Disassembly 0 00000 8 130 Cover Front PL15 2 4 2 2 eee ee 8 130 Cover Right PL15 2 2 and Cover Left PL15 2 1 8 131 Turn Chute Assembly PL15 3 9 000000 8 132 Tray 3 Harness Assembly PL15 5 3 and STF Plug Harness Assembly PISS 2 aa AA AA ence hoes 8 133 Circuit Board STF PL15 5 1 a 8 135 Drive Feeder Assembly PL15 5 5 002005 8 136 Indicator Assembly PL15 5 8 aa 8 137 Right Tray Guide PL15 3 5 and Low Paper Lever PL 15 5 7 8 138 Left Tray Guide PL15 3 3 aaa 8 141 Link Actuator PL 15 4 6 0 0 cc cece 8 143 STF Paper Pick Assembly PL15 4 1 0 05 8 144 No Paper Low Paper Sensor PL15 5 6 8 145 Paper Size Switch Assembly PL15 3 6 8 146 9 Parts List Serial Number Format 9 2 Using the Pa
187. e Manual Fuser Fan Failure Code 50 Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Fuser Fan PL 1 1 7 Drive Section on page 10 18 Motor Driver Board PL 12 1 12 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the Fuser Fan for evidence of fault Replace the Fuser Go to Step 2 or damage Fan page 8 8 2 Does an error recur after the Fuser Fan Replace the Go to Step 3 has been replaced Engine Control Board page 8 107 3 Does the error recur after the Motor Go to Step 4 Complete Driver Board has been replaced 4 Troubleshoot using the wiring diagram Complete Go to Step 5 Drive Section on page 10 18 Replace any defective parts Does the printer function correctly after replacing any defective parts 5 Print one sheet Replace the DRV2 Replace the Verify the voltage between P J12 4 lt gt P 2 Harness Engine Control J12 17 on the Engine Control Board is Assembly PL Board 3 3 VDC 13 1 3 page 8 107 Error Messages and Codes 3 73 Rear Fan Failure Code 51 Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Rear Fan PL 12 1 2 Main Wiring Diagram on page 10 15 Low Voltage Power Supply PL 12 1 10 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the Rear Fan for
188. e Manual Misfeed at Tray 2 Jam T2 Try picking paper from a different tray Ensure that Tray 2 is free from defects and installed properly Remove fan and reload media in Tray 2 Remove any obstructions or debris in the paper path Ensure that the media in Tray 2 is a supported type and size Ensure that the tray guides are set correctly Cycle printer power If the problem persists follow the procedure below Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Paper Pick Roller Kit PL 3 3 3 Paper Tray 1 on page 10 17 Paper Feed Roller Kit PL 3 3 23 Paper Feed on page 10 25 Paper Pick Assembly PL 3 3 1 Drive Section on page 10 18 Chute Assembly Registration PL 9 1 6 Main Wiring Diagram on page 10 15 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the following parts for fault or Replace any Go to Step 2 damage damaged or Check for worn or damaged rollers and excessively worn gears on the Paper Pick Assembly and parts the Feed Roller on Tray 1 Check Tray 1 for damage Registration Sensor PL 9 1 8 Main Drive Assembly PL 11 1 14 2 Use service diagnostics to test the Go to Step 6 Go to Step 3 Registration Sensor Does the sensor function normally 3 Check that the connection between the Go to Step 4 Connect or Harness and the Registration Sensor is replace the faulty properly conn
189. e Paper Feed Roller off the left side of the feed shaft Note The Paper Feed Roller Kit contains two rollers One roller for the Paper Tray and one Roller for the Paper Feeder Assembly PL 3 3 23 The Paper Feed Rollers are interchangeable 6250 237 8 36 Phaser 6250 Color Laser Printer Service Manual Retard Roller Housing Assembly PL4 1 1 1 Remove the Registration Chute Assembly page 8 71 2 Disconnect P J19 blue from the Engine Control Board 3 Remove the 3 screws securing the Retard Roller Housing Assembly to the printer lift the left end and remove the assembly to the left 6250 163 Service Parts Disassembly 8 37 Turn Roll PL 4 1 2 Turn Clutch PL 4 1 9 and Friction Clutch Assembly PL 4 1 4 1 Remove the Retard Roller Housing Assembly page 8 37 2 Remove the e ring securing the Turn Clutch item 1 to the shaft and remove the clutch 3 Remove the e ring securing the left end of the Turn Roll shaft item 2 to the Retard Roller Housing Assembly item 3 4 Remove the metal item 4 and plastic item 5 bearings 5 Slide the shaft to the right and remove to the left of the assembly 2 6250 164 6250 167 Replacement Notes Note Ensure that metal bearing is replaced on the clutch end of the shaft 8 38 Phaser 6250 Color Laser Printer Service Manual Retard Roller Assembly
190. e Turn Chute PL3 1 2 and work up to the Registration Chute Assembly PL9 1 6 Using a slightly damp water only lint free cloth clean the Paper Feed Rollers PL2 1 2 PL3 3 23 and Pick Rollers PL3 3 3 in the paper tray and tray slot Clean the Registration Chute Assembly s rubber roller The roller should be black and pliable Remove the Registration Chute Assembly and clean the OHP PL9 1 12 and Registration PL9 1 8 Sensors and surrounding area of paper dust and debris Check for excessive waste toner around the Transfer Roller PL8 1 12 area Replace the Transfer Roller if needed Test to determine if the jam has cleared and the jam rate has improved Error Messages and Codes 3 23 Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Chute Assembly Registration PL 9 1 6 Paper Feed on page 10 25 Fuser PL 8 1 1 Fuser Assembly on page 10 21 Feed Roller PL 3 3 3 Transfer Roller PL 8 1 12 Note Identify the pertinent symptom by examination of media travel through the media path then follow the troubleshooting step associated with that symptom Four conditions are addressed in the following table The leading edge extends approximately 1 5 inches from the Registration Chute Start at Step 1 The leading edge reaches the Fuser and may accordion fold at the Fuser entrance Start at Step 4 A momentary abnormal squealing noise is heard
191. e in process will be completed Note Power to the front panel is disabled during this test The front panel graphics and all LED s are off IOI 6250 505 Print Quality Troubleshooting 5 9 Print Quality Troubleshooting Light Prints Initial Actions m Verify the printer is not in Draft mode m Verify the media used is supported by this printer Media and Tray Specifications on page 1 14 lists correct media types sizes and weights for each tray m Verify the media settings are correct at the front panel m Run the color calibration routine prior to using this troubleshooting procedure Troubleshooting Procedure S6200 283 Step Check Yes No 1 Check the Imaging Unit Fuser Replace or reinstall Go to Step 2 Assembly and Transfer Roller for the affected correct installation damage or component contamination and life remaining 2 Does the image quality improve if the Complete Go to Step 3 Imaging Unit is replaced 3 Does the image quality improve if the Complete Go to Step 4 Transfer Roller is replaced 4 Check the Front 1A Harness for Go to Step 5 Replace the defective continuity harness P J5030 lt gt Transfer roller P J5020 lt gt Transfer roller 5 Does the image quality improve if the Complete Go to Step
192. e the Engine Print Engine Test Print on page 5 9 Does the output match the example on page 5 8 Processor Board page 8 110 Control Board page 8 107 Print Quality Troubleshooting 5 13 Black Prints with White Margin Border The entire image area except the margins are black Troubleshooting Procedure S6200 289 Step Check Yes No 1 Run the 600 x 600 test print see Replace the Image Go to Step 2 Print Engine Test Print on Processor Board page 5 9 page 8 110 Does the output match the example on page 5 8 2 Block the laser path with a sheet of Replace the Engine Go to Step 3 paper Does the image change Control Board page 8 107 3 Replace the Imaging Unit PL 9 1 3 Complete Go to Step 4 Does the image quality improve if the Imaging Unit is replaced 4 Replace the Laser Unit page 8 68 Complete Replace the Engine Does the image quality improve if the Control Board Laser Unit is replaced page 8 107 5 14 Phaser 6250 Color Laser Printer Service Manual Solid Dark or Dirty Prints No Border The prints appear very dirty and brown over the entire page This print quality symptom is a composite image of all colors with no margin This is caused by a charge voltage failure For information on the Imaging Unit charge contacts see Theory of Operation on page 2 1 S6200 292 Troubleshooting Procedure Step Check Yes No 1 Is the problem re
193. e used in this printer Inspect the paper for bent torn or folded corners Check the paper path for obstructions or debris Ensure that the correct media type is set in the front panel Ensure that the paper guides are set correctly Ensure that the media is a supported type for the tray See Media and Tray Specifications on page 1 14 for the correct media types sizes and weights for each tray Load a fresh ream of paper in the tray Multiple Sheet Pick 1 Ensure that the paper is in good condition and appropriate for a laser printer quality office laser printer paper works best 2 Ensure that the printer is printing within its environmental specifications by using the Printer Status Page 3 Remove the tray and remove fan and reload the media Ensure that the guides are securely against the paper and the tray has not been over filled 4 Try loading paper from a fresh ream fan the paper and then insert into the tray or flip existing paper over 5 Check the tray s retard roller for damage 6 Clean the pick rollers with a clean dry lint free wipe 7 Replace the paper pick rollers 8 Replace the paper tray Mis Pick 1 Check that the correct type of media for the tray is being used and the paper guides are set correctly 2 Remove fan and reload the media Ensure that the tray has not been over filled 3 Try loading paper from a fresh ream fan the paper and then insert into the tray or
194. eader Box Assembly 8 85 CTD ADC Sensor 8 42 D DC Power Supply Troubleshooting 4 13 Defects Associated with Specific Printer Components 5 3 Density Sensor Failure or Low Density Failure 3 69 Developer Assembly Transmission Route 2 40 Developer Drive Assembly 8 95 Developer Section 1 10 19 Developer Section 2 10 20 Diagnostic Menu Map 3 8 Disassembly General Notes 8 3 Drive Feeder Assembly 8 117 8 136 Drive Section 10 18 Drive Section HCF 10 28 Drive Section STF 10 32 Duplex Actuator 8 51 Duplex Motor Assembly 8 65 Duplex Motor Drive and Gear Transmission Route 2 31 Duplex Sensor 8 51 Dusty Density Sensor 3 52 Index 1 E Earth Ground Circuit Board 8 97 EEPROM Board 8 85 Electrical 2 41 9 32 Electrical Specifications 1 13 Electrostatic Discharge ESD Precautions I vii Engine Control Circuit Board 8 107 Engine Firmware Failure 3 76 Engine NVRAM Error 3 80 Engine Power Up Sequence 4 9 Environmental Sensor Failure 3 85 Environmental Specifications 1 13 Error Messages and Codes Summary Table 3 17 Exit Actuator Fuser 8 66 Exit Roller 8 63 F Fault Isolation 4 9 Feed Solenoid 8 33 Feeder Assembly Unit 8 23 Feeder Cover Front 8 111 Feeder Covers Right and Left 8 112 Feeder Turn Chute Assembly 8 113 Frame and Drive Assemblies 2 16 9 30 Friction Clutch Assembly 8 38 Front Cover 8 6 Front Left Cover Assembly 8 16 Front Panel 8 7 Front
195. ected and seated part 4 Check the Registration Clutch Harness Go to Step 5 Replace the for continuity Registration See Paper Feed on page 10 25 Chute Assembly page 8 71 Error Messages and Codes 3 33 Troubleshooting Procedure Table Continued 5 Is the voltage between P J18 3 lt gt P Replace Go to Step 6 J18 2 located under the electric housing Registration assembly see page 8 71 on the Engine Sensor Control Board is O VDC page 8 73 6 If possible print a sheet of paper from Go to Step 16 Go to Step 7 Tray 1 Does the Main Drive Motor function properly 7 Use service diagnostics to test the Main Replace the Go to Step 8 Drive Motor Engine control Does the Main Drive Motor turn Board page 8 107 8 Verify the voltage between P J50 1 lt gt Go to Step 12 Go to Step 9 P J60 2 on the Motor Driver Board is 24 VDC 9 Use service diagnostics to test the Go to Step 10 Replace the Interlock Switch Motor Driver Does the Interlock switch function Board correctly page 8 101 10 Verify the voltage between SW 1 lt gt Replace the Go to Step 11 P J60 2 and SW 2 lt gt P J60 2 on the Motor Driver Motor Driver Board is 24 VDC Board Close the Interlock Switch page 8 101 11 Check the power supply by verifing the Replace the Motor See DC Power voltage between P J60 1 lt gt P J60 2 on Driver Board Supply the Motor Driver Board is 24 VDC page 8 101 Trouble
196. ecution and is halted with blinking LEDs front panel and health LED The test name of the test that failed is displayed on the front panel Fault Reporting Devices There are four fault presentation devices m All soft faults are printed on the StartPage For hard faults m The health LED flashes according to the fault code m The front panel LED flashes in unison with the health LED m The last posted message to the graphic front panel is present LED Blink Patterns For faults identified as hard faults the POST firmware causes the IP health LED to blink in a particular pattern to identify the fault There are short and long blinks A long blink is worth 5 and a short blink is worth 1 If a fault blink pattern is flashed as long long short short this is fault code 5 5 1 1 12 which indicates a failure in the CPU interupt test See POST Diagnostics Test Descriptions on page 4 7 The exception to the above pattern is a RAM test error The RAM tests have a special blink pattern and the front panel displays RAM Error During power up the front panel LED is on If the RAM tests fail the Image Processor Board health LED is turned off and the front panel LED is red At 1 2 second intervals the health LED and the front panel LED toggle continuously 4 6 Phaser 6250 Color Laser Printer Service Manual POST Diagnostic Test Descriptions Fault Test Code Description SDRAM
197. ecution of process control Theory of Operation 2 9 n of this control is outlined below 1 With no toner on the Transfer Roller the output value of Sensor CTD ADC is measured to determine the threshold value 2 Patches for color registration control are generated on the Transfer Roller These 10mm K patches are composed of 10mm lines of each toner color in the following order K C K M K and Y with each color dispensed in the amount of four dispense counts The string of patches is led by a black trigger patch that is larger than the registration patches 3 The density of patches generated by the CTD ADC sensor is measured 4 The amount of registration shift is calculated from the threshold value determined in Step and the patch density measured in Step 3 l About one turn of BTR ET NT iy 6250 068 5 The laser write timing is changed to compensate for the amount of registration shift 2 10 Phaser 6250 Color Laser Printer Service Manual Transfer Roller Assembly Control Detecting the Installation of the Transfer Roller Assembly Although there is no seperate sensor for this the output of the CTD Sensor is used to detect installation or absence of the Transfer Roller when power to the printer is turned on or the front cover is opened and closed Light emits from the LED of the CTD sensor with the specified intensity and if the output of the CTD Sensor is greater than the speci
198. egistration PL 9 1 6 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the following parts for fault or Replace any Go to Step 2 damage damaged or Tray 1 MPT excessively worn Registration Sensor PL 9 1 8 parts Main Drive Assembly PL 11 1 14 Remove any foreign objects or debris in the paper path 2 Use service diagnostics to test the Go to Step 6 Go to Step 3 Registration Sensor Does the sensor function normally 3 Check that the connection between the Go to Step 4 Connect or Harness and the Registration Sensor is replace the faulty properly connected and seated part 4 Check J 18 4 lt gt J 18 5 on the Go to Step 5 Replace the Registration Clutch Harness for Registration continuity Chute Assembly See Paper Feed on page 10 25 page 8 71 3 30 Phaser 6250 Color Laser Printer Service Manual Troubleshooting Procedure Table Continued Steps Actions and Questions Yes No 5 Verify the voltage between P J18 3 lt gt Replace Sensor Go to Step 6 P J18 2 This measurement point can be Registration accessed under the electric housing page 8 73 assembly See page 8 71 on the Engine Control Board isO VDC 6 If possible print a sheet of paper from Go to Step 16 Go to Step 7 the MPT Does the Main Drive motor function properly 7 Use service diagnostics to test the Main Replace the Go to Step 8 Drive Motor Eng
199. elease the 3 tabs securing the sensor and remove 4 Disconnect P J135 from the Tray 1 Sensor 6250 188 8 54 Phaser 6250 Color Laser Printer Service Manual Static Eliminator Assembly PL 6 1 9 1 Remove the Front Cover Assembly page 8 6 2 Remove 1 screw securing both the ground wire and the Static Eliminator Assembly item 2 to the Chute Assembly Out item 1 3 Raise the left end up to clear the locator pin and remove the Static Eliminator Assembly by sliding it to the left 6250 180 Service Parts Disassembly 8 55 Duplex Roller PL 6 1 12 1 Remove the Front Left Cover page 8 16 2 Release the tab securing Gear 30 item 4 see Duplex Motor Drive and Gear Transmission Route on page 2 31 and remove the gear 3 Remove the bearing item 5 securing the left end of the shaft 4 Raise the left end of the roller and shift the right bearing item 3 out then remove the Duplex Roller item 2 6250 181 Replacement Notes Note Ensure that black bearing is placed on gear end of shaft during reassembly 8 56 Phaser 6250 Color Laser Printer Service Manual Latch Plate PL 6 1 17 Latch Out PL 6 1 18 Latch Holder PL 6 1 19 and Latch Spring Out PL 6 1 20 Remove the Front Right Cover page 8 15 Remove the Front Left Cover page 8 16 Remove the Spring Out item 3 from the Chute Assembly Out Release the 2 tabs from
200. enance Items See Repeating Defects on page 5 3 4 Replace the Imaging Unit PL 9 1 Complete Go to Step 5 Does the image quality improve if the Imaging Unit is replaced 5 Replace the Transfer Roller Complete Go to Step 6 PL 8 112 Does the image quality improve if the Transfer Roller is replaced 6 Replace the Fuser Assembly Complete Go to Step 7 PL 8 1 1 Does the image quality improve if the Fuser is replaced 7 Check the following pins for Go to Step 8 Replace the defective continuity J5030 and J5020 lt gt Transfer Roller wire 5 16 Phaser 6250 Color Laser Printer Service Manual Troubleshooting Procedure Step Check Yes No 8 Replace the Sub HVPS page 8 87 Complete Go to Step 9 Does the image quality improve if the Sub HVPS is replaced 9 Replace the Laser Unit page 8 68 Complete Replace the Engine Does the image quality improve if the Laser Unit is replaced Control Board page 8 107 Print Quality Troubleshooting 5 17 Missing Band Voids or Streaks in a Single Color or All Colors in Direction of Paper Travel There are areas of the image that are extremely light or missing entirely These missing areas form bands that run along the paper from the leading edge to the trailing edge in the direction of paper travel Troubleshooting Procedure S6200 274 Step Check Yes No 1 Print the 600 x 600 test print and Go to Step 2
201. er Motor C pulag PL10 1 1 CLUTCH TURN MS PL4 1 9 meh PUT IMAGE PROCESSOR BOARD PLI2 1 4 Toner Motor K PIJ514 PL10 1 1 HINANGO P J321 PING PIJ22 PIJ221 PRG ETENEL PL1 1 1 No Connection PIJ168_ No Connection i 6250 310 10 15 Power Supplies ENGINE CONTROL BOARD LVPS MOTOR DRIVER BOARD PL12 1 4 PL12 1 10 PL12 1 12 Interlock Interlock 24VDC PIJA ong Pi H P J163 1 aan 24 24VDC VL 24VDC 1 fp 18 D E 1 28 LI H LOPEN 35 DK 6 24VDC P J41 P J11 RTN PIJ163 rn RIN 22 2 21 P J165 P J41 P J11 5VDC 5VDC 2 3 3VDC 3 3VDC PANIES 5 unG PIJA no PHY 3 3VDC 23 D K 18 SG SG Supply 22 gt lt 19 SG 21 gt lt 20 P J42 P J12 SG 14 EG 17 15 16 P J165 P J42 FAN LOW P J12 13 DeK 18 FAN STOP 12 De 19 29 kh ilo Piteo FAN REAR FAIL H 3 3VDC 9 2 gt 1 FAN REAR ON H FAN REAR RTN PL12 1 2 3 P J164 P J311 a 5VDC ESS 3 anb ESS 3 2 3 3VDC ESS lt j 2 1 PC 1 P J162 232 Heater ACN 100V Control 3 3 ACN 220V 2 1 bs ACL 1 HARNESS ASSY AC SW PL12 1 11 6250 311 10 16 Phaser 6250 Color Laser Printer Service Manual Paper Tray 2 ENGINE CONTROL BOARD PL12 1 1 P
202. er Roller or Transfer Roller is at End of Life Install or Reseat Fuser Replace Fuser or Fuser is at End of Life Install or Lock Y M C K Toner Cartridge Replace Y M C K Toner Cartridge or Y M C K Toner Cartridge Empty Dusty Density Sensor Remove Ribbon From Y M C K Toner Cartridge Tray and Media Errors Output Tray is Full Unload Paper Insert Tray 2 or Tray 2 missing Insert Tray 3 4 or Tray 3 4 missing Tray 2 Paper is Low Tray 3 4 Paper is Low Tray 1 MPT Out of Paper Load Paper Tray 2 3 4 Out of Paper Load Paper Error Messages and Codes 3 17 Error Type Front Panel Message Help Text Code Media Mismatch Errors Wrong Paper Size Load Tray 1 MPT with size type Wrong Paper Size Load Tray 2 3 4 with size type Fatal Error Messages and Codes Laser Failure 07 08 09 10 11 Density Sensor Failure or Low Density Failure 13 14 15 16 Fuser Failure 40 41 42 43 44 45 46 47 Fuser Fan Failure 50 Rear Fan Failure 51 Generic Fan Failure 52 Engine Firmware Failure 70 71 72 73 74 77 78 79 Imaging Unit Firmware Failure 75 Fuser Firmware Failure 76 Controller to Engine Communications Failure 81 Engine NVRAM Failure 83 Y M C K Toner Cartridge Failure 86 87 88 89 Replace Y M C K Toner Cartridge 90 91 92 93 96 97 98 99 Non Phaser 6250 Fuser 94 Non Xerox Imagin
203. er Unit Disconnect P J3411 from the CRUM Reader located above the Card Cage Disconnect P J210 from the Paper Tray Feeder on the right side of the printer Disconnect P J 41 and P J 42 from the Motor Driver Board Disconnect P J 164 and P J 168 from the LVPS Remove the cable guide retainers and remove the cable guide on the right side of the printer above the power switch Remove P J 5011 from the Sub HVPS and free it from the cable clamp 10 Disconnect P J19 blue from the Engine Control Board under the Housing Assembly Electric O N DO Od bb WD o 6250 234 Service Parts Disassembly 8 103 11 Disconnect P J 2361 yellow wires going to the Temperature Humidity Sensor 12 Disconnect P J 144 yellow wires from the EEPROM Board PL 10 1 14 13 At the front of the card cage remove the two screws from the metal of the card cage not the two screws secured in the plastic see the following figure 6250 235 14 Remove the two mounting screws for the Rear Fan and move it out of the way Caution Note the fan orientation for reassembly the label should face out towards the rear of the printer Note A total of 6 screws including the 2 removed in Step 13 secure the Card Cage The remaining 4 are
204. er is transferred to the print media The cleaner receives a high positive voltage from the HVPS allowing it to electrically attract any toner particles remaining on IDT2 Toner remaining on IDT 2 after the image transfer to the print media is temporarily stored in the IDT2 cleaner Static Elimination The positive charge on the print media can cause image quality problems by scattering toner To prevent this negative DC voltage from the HVPS is applied to the back side of the print media by the Detack Saw located on the Transfer Roller Assembly This negative charge neutralizes and eliminates the charge on the print media resulting from the tertiary transfer Fixing The finished toner image is unstable and easily smeared To fix the image the print media goes through the Fuser Assembly where it passes between a pressure belt and the heat roller The toner is fused onto the print media by the combination of heat and pressure Cleaning During the general cleaning process the voltage applied to the IDT rollers and drums go through a cycle of changes to move the negative and positive charged toner particles from the cleaners and IDTs and then the transfer roller The toner stored in the IDT1 cleaner the IDT 2 cleaner and on the transfer roller is removed and deposited into the transfer roller waste recovery bin Toner from the charge roller and refresher is also removed and deposited into the transfer roller waste recovery bin In each case t
205. er on top of the left round arm of the Guide Indicator when replacing the Guide Indicator Hold the Guide Indicator securely when replacing the Paper Level Indicator 8 28 Phaser 6250 Color Laser Printer Service Manual Paper Pick Rollers PL3 3 3 1 Pull the paper tray out of the printer Note Remove and replace the Paper Pick Rollers item 1 one at a time to maintain the proper orientation 2 Remove the Turn Chute Assembly page 8 19 3 Rotate the Feed Shaft so that the rubber surface of the Paper Pick Rollers faces down 4 Pull the Paper Pick Roller off the shaft 6250 154 Service Parts Disassembly 8 29 No Paper Actuator PL3 3 5 No Low Paper Sensor PL3 3 4 Removal Actuator 1 Remove the Printer Chassis from the Paper Feeder Assembly page 8 20 2 Remove the Paper Pick Assembly page 8 22 and turn it upside down 3 Release the hook securing the No Paper Actuator item 1 to the Paper Pick Assembly and extract the left end of the shaft 4 Pull the No Paper Actuator out and up to remove t HS Left 6250 156 8 30 Phaser 6250 Color Laser Printer Service Manual Removal No Paper Sensor Note The sensors are interchangeable 1 Remove the right Paper Pick Roller to gain access to the P J472 blue 2 Disconnect P J472 blue from the No Paper Sensor item 1 3 Lift up on the clear plastic lock to release 3 tabs securing the No Paper Senso
206. er operation of the printer and reduces the probability of having to service the printer in the future The frequency of use Average Monthly Print Volume AMPV type of media printed on and operating environemnt are factors in determining how critical cleaning the machine is and how often it is necessary Record the number of sheets printed Recommended Tools Toner vacuum cleaner Clean water Clean dry lint free cloth Black light protective bag Cleaning Caution Never apply alcohol or other chemicals to any parts in the printer Never use a damp cloth to clean up toner If you remove the Imaging Unit place it in a light protective bag or otherwise protect it as exposure to light can quickly degrade performance and result in early failure Record number of sheets printed Print several sheets of paper to check for problems or defects Turn off the printer A OND a Remove the Toner Cartridges Imaging Unit and both side covers before cleaning 5 Remove the front cover and clean the Fuser Fan with a brush or dry cloth to remove excess dust 6 Remove the rear cover and clean the Rear Fan with a brush or dry cloth to remove excess dust 7 Ensure that all cover vents are clean and free of obstructions 8 Remove any debris or foreign objects from the Transfer Roller Fuser Assembly Laser Unit and Imaging Unit 9 Vacuum any loose toner from the interior of the printer using a Type II toner vacuum only
207. ess See Xerographics 1 on page 10 23 page 8 107 Assembly Front 1A PL 13 1 7 3 52 Phaser 6250 Color Laser Printer Service Manual Output Tray is Full Unload Paper Ensure that the ouput tray is empty Ensure that the output tray full flag is in the correct position Cycle printer power If the problem persists follow the procedure below Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Actuator Kit PL 6 1 5 Paper Feed on page 10 25 Full Stack Sensor PL 6 1 4 Paper Feed on page 10 25 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the following for evidence of fault Replace the parts Go to Step 2 or damage concerned Actuator Full Stack PL 6 1 5 Full Stack Sensor PL 6 1 4 2 Use service diagnostics to test the Full Replace Engine Go to Step 3 Stack Sensor Control Board Does the sensor function correctly page 8 107 3 Replace the Full Stack Sensor Go to Step 4 Complete Does the sensor report an error once replaced 4 Troubleshoot the wiring using the wiring Replace defective Replace Engine diagram Paper Feed on page 10 25 parts Control Board page 8 107 Error Messages and Codes 3 53 Remove Ribbon from Y M C K Toner Cartridge m Remove the Toner Cartridge and ensure that the ribbon tape has been completely removed Inspect the mouth of the toner au
208. est Print Set Up Displays the print setup for the Current Test Print Custom Test Print Parameters Allows various print parameters to be changed for the Custom Test Print Motors Fans Tests Tests the functionality of motors and fans by giving service personnel the ability to energize de energize the motor and fans one at a time Main Motor Normal Speed Half Speed One Third Speed Normal Speed Continuous Half Speed Continuous One Third Speed Continuous Audible verification of motor functionality The motor tests are pulsed or continuous Duplex Motor Forward Normal Speed Forward Half Speed Forward Double Speed Reverse Normal Speed Reverse Half Speed Reverse Double Speed Fwd Normal Speed Contiuous Fwd Half Speed Contiuous Fwd Double Speed Contiuous Rev Normal Speed Contiuous Rev Half Speed Contiuous Rev Double Speed Contiuous Audible verification of motor functionality Fuser Motor Normal Speed Half Speed One Third Speed Normal Speed Continuous Half Speed Continuous One Third Speed Continuous Audible verification of motor functionality 3 10 Phaser 6250 Color Laser Printer Service Manual Test Front Panel Display and Test Definition Developer Motor Caution Do NOT allow this motor to run any longer than necessary to verify operation Normal Speed Half Speed One Third Speed Audible verification of motor functionality
209. etry your print job 6 If there is still no output try printing from a simple application Open TextEdit select New File and create a small test document Select Print from the File menu 7 If an error message displays or there is no output try turning on the PostScript error status from CentreWare IS or the printer front panel PostScript will now output an error page if an error occured during the print job assuming the printer received it 8 Try printing again using the TextEdit tool Once you have opened a document or created a new document select Print from the File menu Click on the Printer pull down and select Edit Printer List Click the add button or pick Add Printer from the Printers menu The add button is configurable so it may not be there Select IP Printing from the pulldown menu Put the IP address your printer in the Printer s Address text area Click on the Printer Model pulldown and select XEROX A scrolling list should appear Pick the correct Xerox Phaser 6250 model You can check the exact model from the startup page upper right corner The new added printer will be shown in bold on the printer list indicating it is the default printer When you are done adding thenew printer close the printer list dialog Now select your printer from the Printer pulldown and click Print in the dialog box 9 If you can print from the TextEdit tool but cannot print from your application the problem is likely in your appli
210. ev W siCjzia 19 MK z m gt OGAE H GASNAS HAdWd ON SAVHL m mz gt Mizz 9 Ietid 018P 018d OLer Od lar d mc gt 28 mic gt lt s 2GaAe 8t dN TINd Z68f d 0228d ozeer E8f d oane s os o l gt lt v OL gt lt ra olgil KC pv orv K 21 S bagi aes OGAE s 1 NO HOLIMS ZAZIS EAVHL cc 3 P cs ea aa CS ay M ai baga x OGAE e 1 NO HOLIMS LAZIS SAYHL Si gt K oa sa R ov ev j E ei baya a beers SNEEN OHO LIMS GAASE VE EBP beri 018P 018d Ober O12 beri Prekid m SEPA d a rsd a a d d auvoa o pheil HOLIMS auvog TOULNOO IZIS IdYd 430334 HIMOT INIONA Phaser 6250 Color Laser Printer Service Manual 10 30 500 sheet Feeder Main Wiring Diagram ENGINE CONTROL BOARD PL12 1 1 LOWER FEEDER BOARD PL15 5 1 al 3 1 l PAPER SIZE SWITCH nine Puget TRAY 3 PL15 3 6 P J210 P J810 P J81 No Paper Sensor T3 P J822 PL15 4 4 LT P3823 Low Paper Sensor T3 DRIVE ASSY FEEDER SINGLE P J131 P JB4 PL15 5 6 PL15 5 5 1 SOLENOID FEED T3 SS SS SS SS SS SSS SS SS SSS SS SS la P J824 PL15 4 17 CLUTCH ASSY TURN T3 Pugs PL15 4 18 6250 432 10 31 Drive Section STF E p 0979
211. evidence of fault Replace the Rear Go to Step 2 or damage Fan page 8 102 2 Does an error occur after the Rear Fanis Go to Step 3 Complete replaced 3 Replace the Low Voltage Power Supply Go to Step 4 Complete Board page 8 99 Does the error recur after the LVPS is replaced 4 Troubleshoot using the wiring diagram Complete Replace the Main Wiring Diagram on page 10 15 Engine Control Replace any defective parts Board Does the printer function correctly after page 8 107 replacing any defective parts 3 74 Phaser 6250 Color Laser Printer Service Manual Generic Fan Failure Code 52 This is a generic fan error generated by the Rear Fan or the Fuser Fan circuit Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Fuser Fan PL 1 1 7 Main Wiring Diagram on page 10 15 Rear Fan PL 12 1 2 Drive Section on page 10 18 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the following for evidence of fault Replace the Go to Step 3 or damage defective fan Rear Fan PL 12 1 2 Fuser Fan PL 1 1 7 2 Does problem recur following part Go to Step 3 Complete replacement 3 Isolate the problem fan by running service Go to the If both fans pass diagnostics testing both the Rear Fan and Fuser Fan Did one of the fans fail troubleshooting procedure for the specific fan diagnostics replace the Engine
212. ew minutes can quickly degrade its performance and result in early failure Phaser 6250 Color Laser Printer Service Manual Fuser Removal Warning A Q N a The Fuser may be hot Turn off power and allow at least 5 minutes for the Fuser to cool before removal Power down the printer Open Door B Open Door C Release the lock on each side of the Fuser grasp the green handles and lift the Fuser straight up off the mounting studs Toner Cartridge Removal Caution Clean up any toner spills using a Type II Toner Vacuum only Never use a damp cloth to clean up spilled toner If you are removing a toner cartridge to facilitate removal of other components replace the toner cartridge as soon as those components have been removed Keeping the toner cartridges locked into place prevents contamination of the toner system and also prevents spillage Power down the printer Using the lips on both sides lift the Top Cover Output Tray off of the printer 3 Rotate the locking lever on the end of the cartridge or cartridges being removed to the back unlocked closed position and lift the cartridge out of the printer Note Some toner will probably adhere to the bottom of the cartridge so do not set the cartridge on any surface that will be damaged by the toner Service Parts Disassembly 8 5 Print Engine Disassembly Dissasembly procedures for the print engine are presented in the following paragraphs and
213. f random background spotting backgrounding is normal The whiter and glossier the paper the more noticeable it will be Troubleshooting Procedure S6200 285 Step Check Yes No 1 Check the Imaging Unit Fuser Replace or reinstall Go to Step 2 Assembly and the Transfer Roller for the affected correct installation damage or component contamination 2 Inspect the surface of the Transfer Replace the Go to Step 4 Roller for wast toner The roller Transfer Roller should appear black and shiny Is the page 8 4 roller contaminated with waste toner 3 Does the image quality improve if the Complete Go to Step 4 Transfer Roller is replaced 4 Replace the Imaging Unit PL 9 1 3 Complete Go to Step 5 Does the image quality improve if the Imaging Unit is replaced 5 Replace the Fuser Assembly Complete Go to Step 6 PL 8 1 1 Does image quality improve if the Fuser is replaced 6 Check the following pins to the Go to Step 7 Replace the defective transfer roller contacts for continuity J5030 lt gt Transfer Roller J5020 lt gt Transfer Roller harness 5 20 Phaser 6250 Color Laser Printer Service Manual Troubleshooting Procedure Step Check Yes No 7 Replace the Laser Unit page 8 68 Complete Go to Step 8 Does the image quality improve if the Laser Unit is replaced 8 Repalce the Sub HVPS page 8 87 Complete Go to Step 9 Does the image quality improve if the
214. f the mis registration is in the vertical direction clean the CTD ADC Sensor then print the Color Registration Page This forces the printer to perform a vertical registration S6200 287 adjustment Check to see if the problem still appears before using this procedure Troubleshooting Procedure Step Check Yes No 1 Reseat the Imaging Unit Ensure Complete Go to Step 2 Door C is fully closed and latched Ensure Transfer Roller is fully seated and clipped in place Is the problem resolved 2 Clean the CTD Sensor and cycle Complete Go to Step 3 power to the printer Is the problem resolved 3 Replace the CTD Sensor Complete Go to Step 4 Is the problem resolved 4 Print the 600 x 600 Service Test Replace the Image Go to Step 5 Print Processor Board Are all the colors aligned both page 8 110 vertically and horizontally 5 If only one color is affected replace Complete Go to Step 6 the Imaging Unit Does this solve the problem 6 If Laser Unit is not properly seated Complete Replace the Engine reseat If it is properly seated Control Board replace the Laser Unit page 8 68 page 8 107 Does this solve the problem 5 24 Phaser 6250 Color Laser Printer Service Manual Dirty Vertical Streaks on the Edges of the Page Simplex Print Streaks are on the back side of the page Duplex Print Streaks are on both sides of the page Note The most likely cause of this artifact
215. fied value the controller signals that the Transfer Roller is present installed If printing is stopped by a jam the toner image will be placed on the Transfer Roller In this case the sensor output result is low causing the controller to report the Transfer Roller as missing To prevent this the Transfer Roller is rotated a half turn if output is lower than the specified value If the output of the CTD sensor is than greater than the specified value the controller reports installation of the Transfer Roller If the output remains less than the specified value the controller reports that the Transfer Roller is not installed Detecting the Life of the Transfer Roller Assembly The Transfer Roller Assembly consists of a bias transfer roller and a waste toner recovery space End of life of the Transfer Roller is detected when the waste toner recovery space becomes full The full waste toner recovery space is detected by the Toner Full Sensor 1 Status of the waste toner recovery space is checked m When the power is turned on m When the front cover is opened and closed m When paper exits the print engine 2 Transfer Roller is at End of Life error message is generated when the toner full sensor detects the waste toner recovery space is full 3 Replace Transfer Roller warning message is generated if the print count and the toner dispense time are counted and the total count exceeds 15 000 prints 4 Transfer Roller is
216. following troubleshooting procedure Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the connector to the Fuser Connect properly Go to Step 2 Assembly for damage or replace the parts concerned Power cycle the printer 2 Does the error recur after the Fuser has Go to Step 3 Complete been replaced with a new one 3 Replace the EEPROM Board Troubleshootusing Complete Does the error recur the wiring diagram Fuser Assembly on page 10 21 Replace the Engine Control Board page 8 107 Error Messages and Codes 3 47 Install or Lock Y M C K Toner Cartridge Note Ensure that the Toner Cartridges are fully seated and locked into position Ensure that all ribbon tape has been removed from the cartridges Cycle printer power If the problem persists follow the procedure below Follow this troubleshooting procedure using the Y M C or K Steps as appropriate for the color indicated by the front panel error message Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Toner Present Switch Actuator PL 10 1 22 Developer Section 1 on page 10 19 Toner Present Sensor Bracket PL 10 1 6 Developer Section 1 on page 10 19 Troubleshooting Procedure Table Step Actions and Questions Yes No 1 Use service diagnostic to test the toner present switch of the problem color D
217. function correctly Go to Step 9 Replace the Fuser Assembly Go to Step 5 Does error recur after the Fuser is replaced Go to Step 6 Complete Error Messages and Codes 3 19 Troubleshooting Procedure Continued Steps Actions and Questions Yes No 6 Insert a sheet of paper into the Fuser Go to Step 8 Go to Step 7 Assembly Verify the voltage on the Fuser Harness P138 3 lt gt P138 2 is OVDC 7 Check all pins on the FSR 2 Fuser Go to Step 8 Replace the Harness Assembly PL5 1 10 for continuity Assembly Harness FSR 2 PL 5 1 9 8 Check all pins on the Harness Assembly Go to Step 9 Replace the Front 1A for continuity Harness Assembly Front 1A PL 13 1 7 9 If possible print one sheet of paper Replace the Go to Step 10 Does the Fuser Motor Turn gear s if Inspect the gears for damage defective 10 Use service diagnostics to test the Fuser Replace Engine Go to Step 11 Motor Control Board Does the Fuser Motor function correctly page 8 107 11 Verify the voltage between P 52 1 lt gt P Go to Step 12 Replace the 60 2 on the Motor Driver Board is 24 Motor Driver VDC Board page 8 101 12 Replace the Fuser Drive Assembly Complete Go to Step 13 PL 5 1 18 Does the Fuser Motor function correctly 13 Check the DRV 1 Harness for continuity Replace the Replace the Engine Control DRV 1 Harness Board PL 13 1 2 page 8 107 3 20 Phaser 6250 Color Laser Printer
218. g Unit 95 Environment Sensor Failure 102 3 18 Phaser 6250 Color Laser Printer Service Manual Jam Errors Jam at Fuser Jam F Reseat the Fuser Remove the Fuser and check for any obstructions media or debris Cycle printer power If the problem persists follow the procedure below Troubleshooting Reference Applicable Parts Wiring and Plug Jack Map References Fuser PL 8 1 1 Drive Section on page 10 18 Exit Sensor Actuator PL 8 1 7 Fuser Assembly on page 10 21 Motor Driver Board PL 12 1 12 Map 1 on page 10 6 Warning To avoid the potential of electric shock ensure the power to the printer is off and the power cord is disconnected from the wall outlet prior to performing Step 2 of the following troubleshooting procedure Troubleshooting Procedure Steps Actions and Questions Yes No 1 Check the following for evidence of fault or damage Exit Actuator amp Sensor PL 8 1 7 Fuser Assembly PL 8 1 1 Front Cover PL 1 1 2 Chute Assembly In PL 5 1 1 Transfer Roller PL 8 1 12 Imaging Unit PL 9 1 3 Replace the part s concerned Go to Step 2 Remove the Fuser and check for broken or bent pins Replace the parts concerned Go to Step 3 Reinstall the Fuser Does error recur after the Fuser Assembly has been replaced Go to Step 4 Complete Use service diagnostics to test the Exit Sensor Does the sensor
219. g installation a page prints with the lines Printer updated successful 219 219 Power printer OFF then ON to finish upgrade If the snippet did not installed correctly the page reads PRINTER UPDATE UNSUCCESSFUL 199 199 Wait until the printer is in READY State and resend file Does the problem persist Go to Step 8 Go to Step 9 11 Check the Fuser for wear damage or debris Replace if necessary Does the problem persist See Jam at Registration Roller page 3 28 Complete 12 Check for paper jammed in the Turn Chute Assembly Is the leading edge accordian folded at the Turn Chute Go to Step 13 See Jam at Registration Roller page 3 28 13 Use Service Diagnostics to test the following parts within the Registration Chute Assembly m Registration Sensor PL9 1 8 m OHP Sensor PL9 1 12 m Registration Clutch PL9 1 6 Replace any defective parts Does the problem persist Go to Step 14 Complete 14 Replace the Registration Chute Assembly page 8 71 Does the problem persist Go to Step 15 Complete 15 Replace the Feed Rollers page 8 18 Does the problem persist See Jam at Registration Roller page 3 28 Complete Error Messages and Codes 3 27 Jam at Registration Roller Jam RR Check the paper path especially in the area of the registration roller and turn chute assembly for obstruction or debris Try p
220. ger for obstructions or debris Cycle printer power If the problem persists follow the procedure below Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Pertinent Toner Cartridge PL 10 1 7 8 9 or 10 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Has the shipping ribbon been removed Go to Step 2 Remove the from the Toner Cartridge ribbon and power cycle the printer 2 Does the error clear after Door A is Complete Refer to Y M opened and closed C K Toner Cartridge Is Low troubleshooting procedure page 3 50 3 54 Phaser 6250 Color Laser Printer Service Manual Tray and Media Errors Insert Tray 2 or Tray 2 Missing m Remove Tray 2 and inspect the tray cavity of the printer to ensure that it is free of obstructions or debris Reinstall the tray Cycle printer power If the problem persists follow the procedure below Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Paper Size Switch Assembly PL 3 2 4 Paper Tray 2 on page 10 17 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the following for evidence of faultor Replace the Go to Step 2 damage parts concerned Paper Size Switch Tray 2 PL 3 2 4 Actuators on the right side of Tray 2 2 Use service diagnostics to test the Tray 2 Replace Engin
221. ght Density CTD ADC Control of Sensor The CTD ADC sensor is a reflective sensor that emits light from an LED in the sensor and detects the reflected light from the transfer roller For exact density measurement the sensor output value reflected light density must be the specified value when no toner is put on the Transfer Roller The reflected light density varies 2 8 Phaser 6250 Color Laser Printer Service Manual depending on the Transfer Roller surface condition or dirty condition of CTD ADC sensor surface The light density emitted from the LED is controlled so that the reflected light density meets the specified value This control is implemented in two ways m Sets the light density so that the light reflected satisfies a specific value m Adjusts the subsequent light density to be within a specific tolerance value 1 Light Density Setting The reflected light density can vary greatly if the transfer roller has been replaced or the CTD ADC sensor has been cleaned To deal with this variance the light density is reset when the power is turned on or the front cover is opened and closed The intensity of the LED increases gradually and the set value is adjusted when the output of the CTD ADC sensor does not meet the specified value If the output of the CTD ADC sensor does not reach the specified value even though the light density is increased to the maximum limit the controller signals the sensor is dirty If the sensor
222. ghtly with cold water Inspect the interior of the printer for damaged wires loose connections toner leakage and damaged or obviously worn parts If a toner cartridge appears obviously damaged or empty replace with a new one Step 3 Find the Cause of the Problem 1 2 3 4 5 Use the Error Messages and Codes troubleshooting procedures to find the cause of the problem Use Diagnostics to check printer and optional components Use the Wiring Diagrams and Plug Jack Locator to locate test points Take voltage readings at various test points as instructed in the appropriate troubleshooting procedure Use the Print Engine Test Print on page 5 9 to isolate problems to the Engine or the Image Processor Board Step 4 Correct the Problem 1 2 Use the Parts List to locate a part number Use the Disassembly Procedures to replace the part Step 5 Final Check i Test the printer to be sure you have corrected the initial problem and verify there are no additional problems present Error Messages and Codes 3 3 Using the Troubleshooting Procedures 1 Each Step in a Troubleshooting Procedure instructs you to perform a certain action or procedure The Steps are to be followed sequentially in the order given until the problem is fixed or resolved The Actions and Questions box contains additional information and or additional procedures you must follow to isolate the problem Whe
223. gning post in the upper right corner of the plate from inside the cavity of the printer to remove the Plate Assembly 8 88 Phaser 6250 Color Laser Printer Service Manual 7 Unhook the top end of each of the four lever springs item 2 from the arm of the drum lever where it extends through the lever link 6250 242 Service Parts Disassembly 8 89 8 Carefully remove the Left Link lever item 4 from the printer chassis together with the springs and the drum levers item 3 6250 239 Caution Do not accidentally knock out the stud plungers bias contacts Note For reassembly ensure the drum levers are seated properly on the aligning posts Note When replacing the Lever Link ensure that the spring behind the Gear Press item 6 is aligned as shown in the figure on the preceding page when the Lever Link is at the bottom of its travel as shown in the same figure 8 90 Phaser 6250 Color Laser Printer Service Manual Lever Plate Right PL 11 1 7 Lever Bracket PL 11 1 2 Lever Link PL 11 1 6 Lever Drum PL 11 1 4 and Lever Spring PL 11 1 5 1 Remove the Right Cover page 8 11 2 Remove the Top Imaging Unit Cover Door C page 8 10 3 Remove the Right Link Spring PL1 1 22 4 Remove the Main Drive Assembly page 8 94 5 Remove the Motor Driver Board 6250 222
224. gs to the ones that existed before you saved the last color balance adjustments 1 5 6 4 From the Main Menu highlight Troubleshooting and press OK 2 Highlight Print Quality Problems and press OK 3 4 Highlight Restore Previous Settings and press OK to restore the previous color Highlight Calibrate Colors and press OK settings Highlight Restore Previous Settings NOW and press the OK to reset the color settings to the previously set values Phaser 6250 Color Laser Printer Service Manual Restore Factory Settings Margins You can reset margin settings to the factory default values Caution Use caution when resetting your margins to the factory default settings Changing these settings back to factory defaults may not be the last saved settings if you have previously calibrated your margins From the Main Menu highlight Troubleshooting and press OK Highlight Print Quality Problems and press OK Highlight Calibrate Margins Menu and press OK A OND a Highlight Restore Factory Settings and press OK to reset the margin settings Resetting Connection Setup Defaults Resetting the Connection Setup values sets TCP IP address TCP IP address menu settings gateway broadcast etc CentreWare IS EtherTalk Netware set IPX frame type IPP Ethernet speed Wait Timeout Page Description Language and Port selection for both Parallel and USB Ports to their default values Caution Make note of the c
225. he CTD ADC Sensor see Go to Step 4 Complete page 8 42 Does the error recur after the CTD ADC Sensor has been replaced 4 Check the CTD ADC Harness for Go to Step 5 Replace the continuity CTD ADC See Xerographics 1 on page 10 23 Harness Assembly PL 5 1 10 5 Check the Harness Assembly Front 1A for Replace the Replace the continuity Engine Control Harness See Xerographics 1 on page 10 23 Board Assembly Front page 8 107 1A PL 13 1 7 Error Messages and Codes 3 69 Fuser Failure Code 40 The temperature sensor sensed an overheat condition Code 41 The temperature sensor sensed a low temperature condition Code 42 Temperature sensor not providing an output Code 43 Warm up failure the temperature sensor does not detect the correct temperature within 60 4 seconds after the fuser lamp has been turned on Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Low Voltage Power Supply PL 12 1 10 Fuser Assembly on page 10 21 FSR 2 Harness Assembly PL 5 1 9 Warning To avoid the potential of electric shock ensure the power to the printer is off and the power cord is disconnected from the wall outlet prior to performing Step 2 of the following troubleshooting procedure Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Ensure the correct Fuser 110v 220v is Replace the parts Go to Step 2
226. he Imaging Unit Print Quality Troubleshooting 5 11 Troubleshooting Procedure Step Check Yes No 5 Check the following pins between Go to Step 6 Replace the Housing the Engine Control Board and the Assembly Bias Housing Assembly Bias for page 8 69 continuity depending on the color affected J 601 lt gt DEVE Y contact J 602 lt gt DEVE M contact J 603 lt gt DEVE C contact J 604 lt gt DEVE K contact 6 Replace the Laser Unit Complete Replace the Engine page 8 68 Control Board Does the image quality improve if the page 8 107 Laser Unit is replaced 5 12 Phaser 6250 Color Laser Printer Service Manual Blank Prints The entire image area is blank Troubleshooting Procedure S6200 288 Step Check Yes No 1 Ensure that the Laser Unit is Seat the Laser Unit Go to Step 2 properly seated in the chassis correctly or remove Check for any obstructions in the the obstruction laser beam path between the Laser Unit and the Imaging Unit 2 Replace the Imaging Unit PL 9 1 3 Complete Go to Step 3 Does the image quality improve if the Imaging Unit is replaced 3 Replace the Transfer Roller PL Complete Go to Step 4 8 1 12 Does the imaging quality improve if the Transfer Roller is replaced 4 Replace the Laser Unit page 8 68 Complete Go to Step 5 Does the image quality improve if the Laser Unit is replaced 5 Run the 600 x 600 test print see Replace the Image Replac
227. he United States and other countries licensed exclusively through X Open Company Limited This product uses code for SHA 1 written by John Halleck which is being used with his permission This product includes an implementation of LZW licensed under U S Patent 4 558 302 Other marks are trademarks or registered trademarks of the companies with which they are associated PANTONE Colors generated may not match PANTONE identified standards Consult current PANTONE Publications for accurate color PANTONE and other Pantone Inc trademarks are the property of Pantone Inc Pantone Inc 2000 As an Energy Star partner Xerox Corporation has determined that this product meets the Energy Star guidelines for energy efficiency The Energy Star name and logo are registered U S marks AF ENERGY STAR Service Terms Manual Terms Various terms are used throughout this manual to either provide additional information on a specific topic or to warn of possible danger present during a procedure or action Be aware of all symbols and terms when they are used and always read NOTE CAUTION and WARNING statements Common Acronyms The following list defines the acronyms that may be fournd in this manual ADC Automatic Density Control MCU Engine Control Board BTR Bias Transfer Roller NCS Non Contact Sensor CRUM Customer Replaceable Unit PHD Imaging Unit Monitor CTD Toner Density Control PL Corresponds to the FRU Parts Lis
228. he front panel and PostScript begins initialization 4 4 Phaser 6250 Color Laser Printer Service Manual Post Test Sequence Test Sea Code Test Name Type Comments 1 1 SDRAM Hard Run by Bootloader 2 14 Real Time Clock Soft Initial time check for comparison 3 3 O ASIC Hard Checks I O capability 4 4 Memory Soft 5 5 Configuration Chip Hard 6 7 Extended Memory N A Autorun test only 7 10 EEPROM Hard 8 11 Ethernet Hard 9 12 CPU Interrupts Hard 10 13 USB Hard 11 14 Real Time Clock Soft Tests RTC operation 12 15 RAM DIMM Soft Bootloader test reported in POST 13 16 Min RAM Limit Hard Checks for sufficient RAM 14 17 Max RAM Limit Soft Checks for excess RAM 15 20 IDE Disk Soft 16 22 Engine Command Hard 17 26 Engine Fuser Warmup Soft Check Engine Fuser communication 18 14 Real Time Clock Soft Compares RTC time to CPU time base register General Troubleshooting 4 5 POST Faults There are two kinds of faults soft and hard A soft fault is any fault that is discovered by POST but does not prevent the operating system from initializing and becoming available as a tool for troubleshooting These POST faults do not stop execution and are reported on the StartPage in a red box after the system is running A hard fault is any fault discovered by POST that prevents the operating system from initializing successfully A hard fault prevents the system from further ex
229. he voltage at the point of attraction is set high and the voltage at the point of disposal is set to OV with the result that the toner is moved to the high potential until at last it is deposited on the transfer roller Toner is removed from the transfer roller by the attached cleaning blade and deposited in the attached recovery bin Theory of Operation 2 3 f cum gt f oumu f puno gt f Pum fs Charged Charged Charged Charged with 4 with 1 with 1 with electricity electricity electricity electricity Vv y v 2 Exposure 2 Exposure 2 Exposure 2 Exposure Vv y v Vv pago pager cay eae 7 4 7 i 7 Vi Pri t fi apan NAL Pri t f A 4 rimary transter 4 rimary transter Drum gt IDT1 Camara Drum gt IDT1 Sy Intermediate 6 Cleaning Intermediate 6 Cleaning transfer unit IDT1 transfer unit IDT1 IDT1 IDT1 v v 1 J NT 5 Secondary transfer t7 1 IDT1 gt IDT2 bamban Intermediate transfer unit IDT2 8 Cleaning IDT2 v 7 Tertiary transfer IDT2 gt Paper Cleaning general 11 ka y Paper 9 Static elimination Printing Process
230. hould be 261 mm between the top and bottom lines The image width should be 192 mm between the left and right lines Print Quality Troubleshooting 5 7 600 x 600 Service Test Print This test print is used to verify margins and color registration The colors should be aligned vertically and horizontally Black K Yellow Y Cyan C Magenta M 128 dot nan About 2 mm 128 dot About 2 mm S6200 227 5 8 Phaser 6250 Color Laser Printer Service Manual Print Engine Test Print Print quality and engine logic or hardware problems can be easily isolated to either the Image Processor Board or the Print Engine by running the Print Engine Only Test Print 1 Turn printer power OFF 2 Remove the Image Processor Board 3 4 Look inside the Image Processor Board cavity on the rear of the Engine Control Turn printer power ON Board locate jumper pins and 2 on connector P31 See figure below or Map 3 on page 10 8 for P31 location With a long screwdriver touch the pins to short and start the test process the pins must remain shorted to execute the test The printer will begin to print the 600 x 600 engine test print unless an error status from the Engine Control Board is present Printing will continue until the jumper is removed from pin to 2 The prints that ar
231. ht proof bag Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Plate Dispenser Assembly PL 10 1 13 Fuser Assembly on page 10 21 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the Imaging Unit for defects or Replace the parts Go to Step 2 possible damage concerned 2 Does the error recur if the Imaging Unit is Go to Step 3 Complete replaced 3 Is the CRUM Harness connector Replace the Plate Go to Step 5 damaged or improperly connected Dispenser Assembly PL 10 1 13 4 Does the error recur after the Plate Go to Step 5 Complete Dispenser is replaced 5 Remove the left cover Damage can occur Go to Step 7 Check the Gear Slide and the Rack V for if the Gear and damage or misalignment Rack are not in the Is the Rack V out of alignment proper position See page 8 77 for more information With Door C open push the Rack V up as far as it can go and then reinstall the gear slide 6 Does the error recur after the aligning the Go to Step 7 Complete Gear and Rack 7 Check J710 lt gt J71 on the CRUM Go to Step 9 Replace the Harness for continuity CRUM Harness Use the wiring diagram Fuser Assembly Assembly on page 10 21 PL 10 1 12 8 Does the error recur after the replacing Go to Step 9 Complete the CRUM harness Error Messages and Codes 3 77 Troubleshooting Procedure Table
232. icking paper from a different tray Ensure the media being used is a supported type Remove fan and reload the media Cycle printer power If the problem persists follow the procedure below Note In some instances the error code will clear after power is cycled to the printer but will reappear with the next print Check for a piece of paper fan folded behind the turn chute assembly or below the registration roller Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Chute Assembly Registration PL 9 1 6 Paper Feed on page 10 25 Troubleshooting Procedure Table Steps Action and Questions Yes No 1 Check the following for evidence of fault Clean or replace Go to Step 2 or damage the parts Registration Actuator PL 9 1 9 concerned Chute Assembly Registration PL 9 1 6 2 Use service diagnostics to test the Go to Step 6 Go to Step 3 Registration Sensor Does sensor function correctly 3 Check that the connection between the Go to Step 4 Reconnect Harness and the Registration Sensor is properly properly connected and seated 4 Check J181 lt gt J18 on the Registration Go to Step 5 Replace the Chute Clutch Harness for continuity Assembly See Paper Feed on page 10 25 Registration page 8 71 5 Verify the voltage between P J 18 3 lt gt Go to Step 6 Replace the P J 18 2 on the Engine Control Board is Registration 0 VDC
233. ifferent type of media Ensure that the loaded media matches the front panel settings Is the jam caused by a heavy stiff paper being used for two sided printing In such cases a lighter grade of paper should be used see the printer s Paper Tips Page Clean all exit locations in the Fuser and the Assembly Chute Exit with a clean dry lint free wipe if debris is visible Does the Exit Roller turn Test the Duplex Motor using service diagnostics For information on service diagnostics see Service Diagnostics on page 3 9 See Jam at Duplex Jam D on page 3 21 for troubleshooting duplex jams if the Duplex Motor test fails General Troubleshooting 4 17 Operating System and Application Problems Print an internal test print from the printer s front panel to ensure the problem is not printer related See Print Engine Test Print on page 5 9 Troubleshooting tips and additional information are also available on the Xerox web site at www xerox com office support Information on software and other problems is available on the InfoSMART web site at www xerox com office infosmart Macintosh printing problems Image never prints Note The following steps are for diagnosing a networked printer running Mac OSX 10 2 6 or later and assume that CentreWare access is enabled If you are using Mac OSX 10 but an earlier version than 10 2 6 upgrade first 1 Cycle power to the printer Off and On and try
234. in the developer form a homogeneous layer on the magnet roller in the developer The magnet roller turns against the surface of the drum and is kept at a constant negative potential At areas on the drum surface where the negative charge has not been reduced by the impact of laser light potential between the drum and the toner particles is lower than that between the magnet roller and the toner particles At areas where the drum charge has been reduced the potential between the particles and drum is higher than between the magnet roller and toner particles are attracted to the drum A thin semiconductive sleeve on the magnet roller is vibrated by an AC voltage to encourage migration of the toner particles to the drum When the toner particles attach to the drum the negative charge of the particles reduces drum potential at that point thus reducing the attraction of additional toner particles This process is performed simultaneously for YMCK 4 Primary Transfer drum 5 IDT1 The toner image formed on the individual drum surface is transferred onto the surface of the IDT1 intermediate Drum Transfer 1 intermediate transfer roller 1 There are two IDT1 s one for yellow and magenta and one for cyan and black IDT1 is conductive and receives a high positive charge from the HVPS The negatively charged toner image on the drum 2 2 Phaser 6250 Color Laser Printer Service Manual 10 11 surface is attracted by the high positive potential an
235. ine control Does the Main Drive Motor turn Board page 8 107 8 Verify the voltage between P J50 1 lt gt Go to Step 12 Go to Step 9 P J60 2 on the Motor Driver Board is 24 VDC 9 Use service diagnostics to test the Go to Step 10 Replace the Interlock Switch Motor Driver Does the Interlock switch function Board correctly page 8 101 10 Verify the voltage between SW 1 lt gt Replace the Go to Step 11 P J60 2 and SW 2 lt gt P J60 2 on the Motor Driver Motor Driver Board is 24 VDC Board Close the Interlock Switch page 8 101 11 Check the power supply by verifing the Replace the Motor See DC Power voltage between P J60 1 lt gt P J60 2 on Driver Board Supply the Motor Driver Board is 24 VDC page 8 101 Troubleshooting on page 4 13 12 Check the power supply by verifing the Go to Step 13 Go to Step 14 voltage between P J61 8 lt gt P J61 7 on the Motor Driver Board is 5 VDC 13 Check the power supply by verifing the Go to Step 15 Go to Step 14 voltage between P J61 6 lt gt P J61 5 on the Motor Driver Board is 3 3 VDC 14 Check the LVNC3 Harness for continuity See DC Power Replace the See Main Wiring Diagram on Supply Harness LVNC3 page 10 15 Troubleshooting PL 13 1 1 on page 4 13 15 Check the DRV 1 Harness for continuity Replace in the Replace the See Drive Section on page 10 18 following order DRV 1 Harness Main Drive Assembly Assembly PL 13 1 1 page 8 94 Engi
236. inuity between J145 lt gt J232 Go to Step 8 Replace of Harness assembly FSR4 Refer to Assembly wiring diagram Fuser Assembly on Harness FSR4 page 10 21 PL 5 1 9 Error Messages and Codes 3 83 Troubleshooting Procedure Table Steps Actions and Questions Yes No 8 Check continuity between J144 lt gt J140 Replace the Engine Replace of Harness assembly EEPROM Refer to Control Board Assembly wiring diagram Laser Unit on page 8 107 Harness page 10 22 EEPROM PL 13 1 10 Non Phaser 6250 Imaging Unit Code 95 CRUM LD error A non Phaser 6250 Imaging Unit has been detected in the printer Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Imaging Unit PL 9 1 3 Xerographics 2 on page 10 24 Laser Unit on page 10 22 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the part number listed on the Go to Step 2 Replace the Imaging Unit Is it a genuine Xerox Imaging Unit Phaser 6250 part 2 Remove and reinstall the Imaging Unit Go to Step 3 Complete Does the error recur 3 Remove the Imaging Unit and check for Replace the Go to Step 4 broken or bent pins on the connector Imaging Unit page 8 4 4 Does the error recur after the Imaging Go to Step 5 Complete Unit is replaced with a new one 5 Is the Imaging Unit connector P J710 on Replace the Plate Go to Step 6
237. ion Technology Equipment Class B EN61000 3 2 1995 Part 3 Limits Section 2 Limits for harmonic current emissions A1 1998 A2 1998 equipment input current less than or equal to 16A per phase IEC61000 3 2 EN61000 3 3 1995 Part 3 Limits Section 3 Limitation of voltage fluctuations and flicker IEC61000 3 3 in low voltage supply systems for equipment with rated current less than or equal to 16A EN55024 1998 Information technology equipment Immunity characteristics Limits CISPR 24 and methods of measurement CISPR 24 Immunity Phenomena Basic Standard Test Specification Electrostatic Discharge IEC61000 4 2 1995 6kV Contact 10kV Air Radio Frequency IEC61000 4 3 1995 80 1000 MHz 3V m 80 AM 1KHz Electromagnetic Field radiated Fast Burst Transients IEC61000 4 4 1995 5 50 Tr Th ns 5kHz Rep Freq 0 5kV on Signal Lines 1kV on AC Mains Line Surge IEC61000 4 5 1995 Combination wave 2 0kV Common mode 2 0kV Differential mode Radio Frequency IEC61000 4 6 1996 0 15 80 MHz 3V 80 AM 1kHz Electromagnetic Field Conducted Line voltage dips IEC61000 4 11 1994 gt 95 dip for 72 cycle 50 Hz 30 dip for 25 cycles 50 Hz Service Manual xi CISPR 24 Immunity Phenomena Basic Standard Test Specification Line voltage drop out IEC61000 4 11 1994 gt 95 dropout for 250 cycles 50 Hz This product if used properly in accordance with the user s in
238. is high clay content paper This component in the paper gums up the Transfer Roller cleaning blade It can also be caused by a full Transfer Roller waste bin and other problems Troubleshooting Procedure 6250 500 Step Check Yes No 1 Is the problem resolved by using Complete Replace the Transfer different media Roller page 8 4 a Check for reversed wiring to the Replace the Correct wiring error toner motors Imaging Unit Is the wiring correct Print Quality Troubleshooting 5 25 5 26 Phaser 6250 Color Laser Printer Service Manual Adjustments and Calibrations In this chapter m Calibrations m Resetting NVRAM Chapter 6 Calibrations Color Calibration Color calibration procedures adjust the printer for optimal color output Color settings may need adjustment m On initial printer setup m When Toner Cartridges and Imaging Units are replaced m When the printer environment changes m If the printer has been stored for some time m If the printer has not received significant use There are two procedures Lighten Darken Colors and Balance Colors If the overall image appears either too light or dark use the Lighten Darken colors procedure If a finer adjustment of the primary colors cyan magenta and yellow is needed continue with the balance colors procedure Print the Calibrate Colors Tutorial Page from the printer
239. ith the requirements of an unintentional radiator in part 15 of the FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference 2 this device must accept any interference received including interference that may cause undesired operation This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications ICES 003 Le present appareil num rique n met pas de bruits radio lectrique d passant les limits applicables aux appareils num riques de la classe B prescrites dans le R glement sur le brouillage radio lectrique dict par le ministere des Communications du Canada NMB 003 x Phaser 6250 Color Printer Declaration of Conformity Xerox Corporation declares under our sole responsibility that the printer to which this declaration relates is in conformity with the following standards and other normative documents In the European Union following the provisions of the Low Voltage Directive 73 23 EEC and its amendments EN 60950 Safety of Information Technology Equipment including Electrical IEC 950 Business Equipment following the provisions of the Electromagnetic Compatibility Directive 89 336 EEC and its amendments EN55022 1998 Limits and Methods of measurement of radio interference CISPR 22 characteristics of Informat
240. ith the screwdriver When passing the Paper Pick Assembly through the window be careful not to damage the rubber parts 6250 421 8 144 Phaser 6250 Color Laser Printer Service Manual No Paper Low Paper Sensor PL15 5 6 Remove the Paper Tray Remove the Cover Front page 8 130 Remove the Cover Right page 8 131 Remove the Turn Chute Assembly page 8 132 Remove the Indicator Assembly page 8 137 Remove the Bracket Low Paper Remove the STF Circuit Board page 8 135 Remove the Right Tray Guide page 8 138 Release the 3 tabs securing the Sensor to the STF frame and remove the sensor OoOo N O Od FWD Note Use caution the Sensor tabs are easily broken 6250 422 Service Parts Disassembly 8 145 Paper Size Switch Assembly PL15 3 6 1 Remove the Right Tray Guide Assembly page 8 138 2 Remove the 1 screw securing the Paper Size Switch to the Right Guide Assembly and remove the switch N NO N T 6250 268 8 146 Phaser 6250 Color Laser Printer Service Manual Parts List In this chapter Serial Number Format Using the Parts List Print Engine Parts Harness Assemblies Optional High Capacity Feeder Optional 500 sheet Feeder Xerox Supplies and Accessories Chapter Serial Number Format Changes to Xerox products are made to accommodate improved components as they become available It is important when ordering parts
241. ity or resistance readings on wiring harness proceed as follows Check P J 232 1 to P J 210 5 by placing the red probe of your meter on pin 1 of P J 232 and place the black probe of your meter on pin 5 of P J 210 When you are instructed to take resistance readings between P J 232 lt gt P J 210 without specified pin numbers check all pins Refer to the the section Wiring Diagrams on page 10 1 for the location of all wiring harnesses and pins When you are instructed to take a voltage reading the black probe is generally connected to a pin that is either RTN Return or SG Signal Ground You can substitute any RTN pin or test point in the printer and you can use FG frame ground in place of any SG pin or test point Phaser 6250 Color Laser Printer Service Manual 6 Before measuring voltages make sure the printer is switched ON the Imaging Unit and the paper trays are in place and the interlock switches are actuated unless a troubleshooting procedure instructs otherwise 7 All voltage values given in the troubleshooting procedures are approximate values The main purpose of voltage readings is to determine whether or not a component is receiving the correct voltage value from the power supply and if gating a voltage drop occurs during component actuation Gating signals may be nothing more than a pulse resulting in a momentary drop in voltage that may be difficult or impossible to read on the a
242. l and replacement procedure 1 2 Switch OFF the printer power and disconnect the power cord from the wall outlet Remove the Imaging Unit and protect it from exposure to light by covering it with a light proof bag or by placing it in a light tight container Disconnect all computer interface cables from the printer Wear an electrostatic discharge wrist strap to help prevent damage to the sensitive electronics of the printer circuit boards Remove the Fuser Assembly or wait at least 5 minutes after you have switched OFF printer power for the Fuser to cool before you work on or around the Fuser Note Names of parts that appear in the removal and replacement procedures may not be exactly the same as the names that appear in the Parts List For example a part called the Registration Chute Assembly in a removal procedure may appear on the Parts List as Assembly Chute REGI When working on a removal and replacement procedure ignore any prerequisite procedure if you have already removed that part Caution Many parts are secured by plastic tabs DO NOT over Flex or force these parts Do not over torque the screws threaded into plastic parts Always use the correct type and size screw Using the wrong screw can damage tapped holes Do not use excessive force to remove or install either a screw or a printer part Warning Unplug the AC power cord from the wall outlet before removing any printer part Notations in the Di
243. l set orientation form length and line termination settings to their default values 1 From the Main Menu highlight Printer Setup and press OK 2 Highlight PCL Setup and press OK 3 Highlight Reset PCL Setup and press OK 4 Highlight Reset PCL Setup NOW and press OK to reset the PCL defaults Resetting Front Panel Setup Values to Default Resetting the Front Panel Setup values resets the front panel language brightness contrast and accessibility controls to their default values 1 From the Main Menu highlight Printer Setup and press OK 2 Highlight Front Panel Setup and press OK 3 Highlight Reset Front Panel Setup and press OK 4 Highlight Reset Front Panel Setup NOW and press OK to reset the Front Panel defaults Resetting Printer Controls Values to Default Resetting the Printer Controls values resets the startup page power saver timeout low toner warning level date and time intelligent ready metric defaults and power saver to their default values From the Main Menu highlight Printer Setup and press OK Highlight Printer Controls and press OK Highlight Reset Printer Controls and press OK A Q N Highlight Reset Printer Controls NOW and press OK to reset the Front Panel defaults 6 6 Phaser 6250 Color Laser Printer Service Manual Resetting All Printer Default Settings PostScript NVRAM Resetting the NVRAM restores all printer values stored in the IP controller NVRAM including network
244. le Steps Actions and Questions Yes No 1 Cycle power to the printer Go to Step 2 Complete Does the error recur 2 Check the Fuser Assembly for fault or Replace the Fuser Go to Step 3 damage Assembly PL 8 1 1 Power cycle the printer after replacing the Fuser 3 Does the error recur after replacing the Go to Step 4 Complete Fuser Assembly 4 Check the Fuser Harness FSR4 for Go to Step 5 Replace the continuity Fuser Harness See Fuser Assembly on page 10 21 FSR 4 PL 5 1 9 5 Check theFRONT 1A Harness for Replace the Engine Replace the continuity Control Board FRONT 1A See Fuser Assembly on page 10 21 page 8 107 Harness Assembly PL 13 1 7 3 46 Phaser 6250 Color Laser Printer Service Manual Replace Fuser or Fuser is Near End of Life m Print the Supplies Usage page to verify remaining life and Fuser install date m Cycle printer power m Ifthe problem persists follow the procedure below Note The Fuser is Near End of Life is a warning Replace Fuser is a hard stop Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References EEPROM Board PL 10 1 16 Laser Unit on page 10 22 CRUM Harness Assembly PL 10 1 15 Fuser Assembly on page 10 21 Warning To avoid the potential of electric shock ensure the power to the printer is off and the power cord is disconnected from the wall outlet prior to performing Step in the
245. lide 4 Verify the CRUM connector is not Replace the Plate Go to Step 5 damaged or improperly connected Dispenser Left PL 10 1 9 5 Check the CRUM Harness for continuity Go to Step 6 Replace CRUM See Laser Unit on page 10 22 Harness Assy PL 10 1 15 6 Check the EEPROM Harness for Replace the Engine Replace continuity Control Board EEPROM See Laser Unit on page 10 22 page 8 107 Harness Assy PL 13 1 10 3 42 Phaser 6250 Color Laser Printer Service Manual Replace Imaging Unit or Imaging Unit is Near End of Life Note Print the Supplies Usage page and verify life remaining and date Imaging Unit was installed Cycle printer power If the problem persists follow the procedure below The Imaging Unit is Near End of Life is a warning Replace Imaging Unit is a hard stop Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Imaging Unit PL 9 1 3 Laser Unit on page 10 22 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the following parts for evidence of Replace the parts Go to Step 2 fault or damage concerned Imaging Unit PL 9 1 3 CRUM Connector on the Plate Dispenser 2 Replace the Imaging Unit Go to Step 3 Complete Does the error recur 3 Verify the CRUM Harness is properly Go to Step 4 Replace the connected CRUM Harness See Laser Unit on page 10 22 Assembly PL 10 1 15 4
246. ly 6 Check J 136 lt gt J 1361 on the CTD Go to Step 7 Replace the CTD ADC Harness for continuity ADC Harness RRP 5 2 7 Check J 1361 lt gt J 13 on the Front 1A Go to Step 8 Replace the Front Harness for continuity 1A Harness Assembly PL 13 1 7 8 Verify the voltage between P J136 5 lt gt Replace the CTD Replace the P J136 3 on the Front 1A Harness ADC Sensor Engine Control Assembly is 0 VDC page 8 42 Board page 8 107 3 44 Phaser 6250 Color Laser Printer Service Manual Replace Transfer Roller or Transfer Roller is at End of Life Note Print the Supplies Usage page to verify the remaining life and Transfer Roller install date Cycle printer power If the problem persists follow the procedure below Look at the clear plastic window on the Transfer Roller If toner is present in the center of the window the Transfer Roller is at end of life and needs to be replaced If no toner is visible try cleaning the CTD ADC Sensor The Transfer Roller is at End of Life is a warning Replace Transfer Roller is a hard stop Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Toner Full Sensor PL 5 1 13 Xerographics 1 on page 10 23 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the following for evidence of fault Replace the parts Go to Step 2 or damage concerned Transfer Roller
247. ly Duplex Service Parts Disassembly 8 65 Exit Actuator Fuser PL 8 1 7 1 Open Door B and remove the Fuser Assembly 2 Lift the tab that secures the bearing to the left side of the Fuser Exit Roller shaft and remove the bearing 3 Move the exit roller slightly out of the way 4 From the outside of the fuser cover push the Exit Actuator out of the retaining clips being careful not to drop the spring into the fuser 5 Remove the Actuator Spring 6250 198 Reassembly Notes Note Ensure that the spring is positioned as shown in the figure 8 66 Phaser 6250 Color Laser Printer Service Manual Strap PL 8 1 13 1 Open Door B Caution Support Door B when removing the strap to prevent damage to the unit and continue to provide support or latch the door when the strap is removed 2 Turn the top of the strap 90 degrees and remove top end of strap 3 Push down on the strap retainer tab and slide the bottom end of the strap out of the slot Service Parts Disassembly 8 67 Xerographics Laser Unit PL 9 1 1 Remove the Toner Cartridge Holder Unit Assembly page 8 77 Remove the Rear Fan page 8 102 Disconnect P J151 from the Laser Unit A OND a Unhook the springs from the left and right ends of the shaft Caution Handle the Laser Unit carefully avoid bumping or jarring the unit 5 Remove 3 screws securing the Laser Unit to the printer and slide the u
248. ly In 0 0 cece eee eee eee 2 28 Chute Assembly Out 0 ccc eee eee eee 2 29 Chute Assembly Exit 0 0 0 ccc ee eee eee eee 2 30 Duplex Motor Drive and Gear Transmission Route 2 31 Chute Assembly Registration REGI 2 32 Transfer Roller and Fuser Assembly 005 2 33 Fuser Drive Assembly Transmission Route 2 34 p41 00101 1 10 he ee a ere 2 35 Imaging Unit Charge Voltage Contacts 2 36 Toner Cartridge Assembly a 2 38 Toner Cartridge Assembly contd 0000008 2 39 Toner Motor Drive Assembly Transmission Route 2 40 Developer Assembly Transmission Route 2 40 3 Error Messages and Codes INGPOMUCHON L A a one Ka KR GG Ponsa ANNA Pham GAN Eee AKN NG 3 2 Servicing Instructions a 3 3 Using the Troubleshooting Procedures 3 4 General Notes on Troubleshooting 0008 3 4 Voltage Measurements 0 00 cece eee ee ees 3 5 Service Diagnostics a 3 6 Service Diagnostic Front Panel Button Descriptions 3 7 Diagnostic Menu Map 0 cece eee eee ees 3 8 Service Diagnostic Tests 00 ccc cece eee eee 3 9 Jam History Error Codes Table 000 3 16 Error Messages and Codes Summary Table 3 17 Jam EMOS a sun ADB PA Daun KABAN A Gone BANDANG 3 19 Jam at Fuser Jam PF 3 19 Jam at Duplex
249. ly Motor Driver Board 472 4 No Paper Sensor Motor Driver Board 473 4 Low Paper Sensor Motor Driver Board 474 4 Feed Solenoid Motor Driver Board 475 4 Clutch Turn Assembly Motor Driver Board 511 1 Holder Assembly MQ Y Motor Driver Board Toner Motor 512 1 Holder Assembly MQ M Motor Driver Board Toner Motor 513 1 Holder Assembly MQ C Motor Driver Board Toner Motor 514 1 Holder Assembly MQ K Motor Driver Board Toner Motor 701 1 Holder Assembly MQ Y Motor Driver Board Toner Present Sensor 702 1 Holder Assembly MQ M Motor Driver Board Toner Present Sensor 703 1 Holder Assembly MQ C Motor Driver Board Toner Present Sensor 704 1 Holder Assembly MQ K Motor Driver Board Toner Present Sensor 710 1 Plate Dispenser L EEPROM Harness Assembly 810 4 High Capacity Feeder Engine Control Board 1361 3 FRONT 1A Harness Assembly Chute Assembly In CTD ADC Sensor 2361 3 Temp Hum Harness Assembly Engine Control Board 2362 3 Fuser Harness Assembly Engine Control Board 3411 3 CRUM Reader Harness CRUM Reader Board 5011 3 Sub HVPS Engine Control Board 5020 3 Sub HVPS Chute Assembly In 5030 3 Sub HVPS Chute Assembly In 10 5 Map 1 6250 306 Front Panel Connector FPC Phaser 6250 Color Laser Printer Service Manual 10 6 6250 307 5030 5011 6250 308 10 8 Phaser 6250 Color Laser Printer Service Manual Map 4
250. ly due to interference from another device However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures m Reorient or relocate the receiver device being interfered with m Increase the separation between the printer and the receiver m Connect the printer into an outlet on a circuit different from that which the receiver is connected Route the interface cables on the printer away from the receiver Consult the dealer Xerox service or an experienced radio television technician for help Changes or modifications not expressly approved by Xerox can affect the emission and immunity compliance and could void the user s authority to operate this product To ensure compliance use shielded interface cables A shielded parallel cable can be purchased directly from Xerox at www xerox com office 6250supplies Xerox has tested this product to internationally accepted electromagnetic emission and immunity standards These standards are designed to mitigate interference caused or received by this product in a normal office environment This product is also suitable for use in a residential environment based on the levels tested In the United States this product complies w
251. m the Paper Feeder to remove 6250 140 Service Parts Disassembly 8 19 Printer Chassis Feeder Assembly Remove the Imaging Unit and protect it from exposure to light Remove the Link Actuator page 8 32 Remove the Top Main Cover page 8 9 Remove the Right and Left Side Covers page 8 11 On the left side of the printer disconnect P J2361 gray from the Printer Chassis oa fr WN On the right side of the printer disconnect P J210 yellow from the Printer Chassis 7 Disconnect P J47 yellow blue from the Motor Driver Circuit Board on the right side of the printer P J47 P J210 6250 141 8 Remove the 8 short screws securing the Printer Chassis item 1 to the Feeder Assembly item 2 Caution It is easy to strip the long screws use caution when removing and replacing 8 20 Phaser 6250 Color Laser Printer Service Manual 9 Using a PZ1 Posi bit remove the 4 long screws securing the Printer Chassis to the Feeder Assembly Caution The washers on the long screws are not captive and can easily be dropped into the chassis during removal or replacement Be careful not to drop the washers when removing and replacing the long screws Caution Before lifting the Printer Chassis ensure that harness P J24 gray P J210 yellow and P J47 yellow blue are positioned to slide through the slots in the chassis bottom plate without catching Warning Lift the Printer Chassis off
252. m the connector block on the left side of the printer 9 Disconnect P J5020 P J5030 and P J5011 from the Sub High Voltage Power Supply Board item 5 10 Release P J5011 from the clamp 6250 215 11 Open Door C to release the pressure on the rack and release the 2 tabs securing the Gear Slide item 6 and remove the slide and Rack V item 7 from the printer 12 Reach under the Toner Cartridge Holder Unit from the rear and disconnect P J3411 from the CRUM Reader Board 8 78 Phaser 6250 Color Laser Printer Service Manual 13 Remove the 8 screws securing the Toner Cartridge Holder Unit and carefully remove the unit to the left Flex the Dispenser Plate slightly during removal to clear the locator pin and the clearance notch at the front Note The 4 screws on the right side of the printer are below the toner motors ld I V 6250 216 Replacement Notes 1 Replace in reverse order Reconnect the ground wire using the front lower screw on the left side Note An Install or Reseat Imaging Unit error can occur if the Gear and Rack V are not properly aligned With Door C open push the Rack V as far up as it can go then replace the gear Service Parts Disassembly 8 79 Toner Cartridge Holder Assembly Y PL 10 1 1 M PL 10 1 2 C PL 10 1 3 K PL 10
253. m the power source to the Low Voltage Power Supply 2 42 Phaser 6250 Color Laser Printer Service Manual Error Messages and Codes In this chapter m Introduction m Servicing Instructions m Service Diagnostics m Error Messages and Codes Troubleshooting Procedures Table Chapter Introduction This section provides troubleshooting information related to the Phaser 6250 Color Laser Printer s front panel error messages and codes Only jams and fatal errors will produce an associated numeric code Error messages and codes are generally specific making it important that service personnel and users record error messages as displayed and provide that information when reporting problems with the printer Any code associated with an error message or jam can be viewed by pressing the INFO button and scrolling to the bottom of the help text displayed on the front panel Some procedures require running service diagnostic test functions to verify a specific printer part is operating correctly For information on Service Diagnostics and all internal printer test functions see the table Service Diagnostics on page 3 9 To troubleshoot problems such as start up and power on media paper path print quality or image problems and electrical failures not associated with a front panel message or code refer to the section Troubleshooting on page 4 1 If an error message or code is not visible on the front panel the usage profile report and
254. move the OHP Sensor from the cover 10 Disconnect P J321 from the sensor 6250 250 Replacement Notes Note When reassembling the white gear item 5 goes on the metal roller and the black gear item 4 goes on the rubber roller Install the springs last 8 76 Phaser 6250 Color Laser Printer Service Manual Toner Cartridge Holder Assemblies Toner Cartridge Holder Unit Assembly PL 10 1 6250 214 Note Use only a Type II Toner Vacuum to remove toner deposits before removing the Toner Cartridge Holder Unit item 1 When removing toner deposits be careful not to get toner into the sensors Remove the Imaging Unit and protect it from exposure to light Remove the Top Main Cover page 8 9 Remove the Right and Left Side Covers page 8 11 A Q N a Remove the Rear Cover page 8 12 Caution Reinstall the toner cartridges to seal the toner system and prevent spillage 5 Disconnect P J166 from the Low Voltage Power Supply item 2 to the rear fan and remove the wiring harness from the wire guides on the right side of the printer Be very careful not to break the tabs on the wire guides Service Parts Disassembly 8 77 6 Disconnect P J51 from the Motor Driver Board item 3 7 Disconnect P J144 yellow top and P J145 gray bottom from the EEPROM Board item 4 8 Disconnect the third connector down P J71 fro
255. n Rack V see Toner Cartridge Holder Unit Assembly PL 10 1 on page 8 77 4 8 Phaser 6250 Color Laser Printer Service Manual Fault Isolation Isolate a fault to the Printer or to the Image Processor Board by running the Print Engine Test Print see page 5 9 m Ifthe printer sucessfully prints the Print Engine Test Print replace the Image Processor Board m Ifthe Printer fails the Print Engine Test troubleshoot the Print Engine starting with the AC Power Supply Troubleshooting on page 4 13 Inoperable Printer Troubleshooting Engine Power Up Sequence O N DO Od Bb WN o Engine Control Board logic check Imaging Unit Missing NVRAM CRUM Error CRUM ID Life Over Fuser Missing NVRAM CRUM Error Life Over Toner Cartridge Missing Life Over Transfer Roller Missing Life Over CTD Sensor Error All paper sensor Jam OHP sensor Jam Door s Open 10 11 12 Environment Sensor Error NVRAM NVRAM error Image Processor Board POST Diagnostic check Printer Does Not Come to a Ready State m See AC Power Supply Troubleshooting on page 4 13 m See Fault Isolation on page 4 9 General Troubleshooting 4 9 Printer Inoperable after Power Switch is On No mechanical initialization observed after the Power Switch is turned On One possible cause of this condition is the protection circuitry on the LVPS has detected an overload condition and temporarily stopped all output
256. n a procedure instructs you to test a component using service diagnostics See Service Diagnostics on page 3 6 for the detailed Steps and functions for testing parts of the printer The action is followed by a question If your response to the question is Yes then follow the instructions for a Yes reply If your response to the question is No then follow the instructions for a No reply Troubleshooting Procedures may ask you to take voltage readings or test for continuity at certain test points within the printer For detailed diagrams refer to the section Plug Jack Locator Maps on page 10 2 and Wiring Diagrams on page 10 12 for complete information on test point locations and signal names Troubleshooting Procedures often ask you to replace a printer component The section Service Parts Disassembly on page 8 1 provides detailed Steps for removing and replacing all major parts of the printer The section Parts List on page 9 1 details the location quantity and part number for all spared parts of the printer General Notes on Troubleshooting 1 3 4 Unless indicated otherwise the instruction switch ON printer main power means for you to switch ON printer power and let the printer proceed through Power On Self Test POST to a Ready condition Conventions used in this manual to represent connectors Plug Jack KI ml 6250 503 When instructed to take voltage continu
257. n off the printers power for a full 5 Complete Go to Step 4 minutes then re run the engine only test print Does the Test Print run successfully 4 Check print engine operation Replace the See Fault Troubleshoot a defective engine then componentisolated Isolation on troubleshoot the LVPS Motor Driver during testing page 4 9 board or a motor clutch connected to the engine Refer to the Wiring Diagrams while unplugging the various motors clutches and solenoids until the fan stays running and the LVPS maintains its outputs Is the LVPS outputs restored Paper Size Switch Assembly Paper size and tray installation is detected by a combination of ON OFF statuses of the upper middle and lower switches of the Switch Paper Size Assembly Inability of the printer to detect the paper size loaded or to detect the presence of the paper tray can be the result of a bad switch Paper size Switches Upper Middle Lower LEGAL14 ON ON ON LEGAL13 ON ON OFF EXECUTIVE ON OFF ON B5 ON OFF OFF A4 OFF ON ON A5 for reference only supported in Tray 1 only OFF ON OFF LETTER OFF OFF ON No Tray OFF OFF OFF General Troubleshooting 4 11 Power Supply Low voltage Power Supply Overcurrent Protection Circuit This circuit stops all outputs if the 24 VDC 5 VDC or 3 3 VDC power supply is shorted The circuit is reset when the short is removed the power is turned off and then on ag
258. nd remove 3 Remove the actuator spring item 2 from the Actuator Note Make note of the orientation of the spring for reassembly i FRONT a Ze Na CHUTE ASSY REGI TOP 6250 207 Service Parts Disassembly 8 73 Removal of Sensor 1 Remove the Registration Actuator 2 Disconnect P J181 3 Release the 3 tabs securing the Sensor to the Chute Assembly Registration and remove the sensor CHUTE ASSY REGI 6250 208 8 74 Phaser 6250 Color Laser Printer Service Manual OHP Sensor and Harness Kit PL 9 1 12 1 Remove the Chute Assembly Registration page 8 71 2 Remove the 2 e rings securing the 2 Gears items 4 amp 5 and remove the gears Note When removing the Springs use caution they spring off the shaft easily 3 Remove both springs item 1 amp 6 4 Pull out the bearing on the left side of the shaft item 3 4 6250 247 5 Remove screw from the left side of the Chute Assembly item 8 securing the Bracket Assembly item 7 6 Pull off the black plastic bearing item 2 securing the left side of the metal registration roller item 9 6250 248 Service Parts Disassembly 8 75 7 Raise the left end of the shaft and remove with the right white plastic bearing attached ED Jy KO 6250 249 8 Pull back on the tabs on the bottom of the Chute Assembly to remove the OHP Sensor Cover item 10 9 Lift the retaining tab and re
259. nd to the paper size switch position chart below Size Switch page 8 26 Error Messages and Codes 3 63 Troubleshooting Procedure Table Steps Actions and Questions Yes No 5 Verify the pertinent voltages on pins Replace Engine Replace the Motor P J42 16 lt gt P J42 15 Control Board Driver Board P J42 17 lt gt P J42 15 page 8 107 page 8 101 P J42 18 lt gt P J42 15 Correspond to the paper size switch position chart below Paper Size Switches are indicated as SW1 SW2 and SW3 Paper Size Switch Paper Size Swi SW2 sw3 LEGAL 14 ON ON ON LEGAL 13 ON ON OFF EXECUTIVE ON OFF ON B5 ON OFF OFF A4 OFF ON ON A5 Provided for reference only Supported by Tray 1 OFF ON OFF MPT only A OFF OFF ON No Tray OFF OFF OFF 3 64 Phaser 6250 Color Laser Printer Service Manual Wrong Paper Size Load Tray 3 4 with size type m Remove Tray 3 4 and inspect the tray cavity of the printer to ensure that it is free of obstructions or debris Note This Reinstall the tray Cycle printer power is a media SIZE mismatch error Troubleshooting Reference Table Ensure that the tray is loaded with supported media Ensure that the media guides are properly adjusted If the problem persists follow the procedure below Applicable Parts Wiring and Plug Jack Map References Paper Size Switch Tray 3 4 PL 14 3 6 or 15 3 6
260. ne Control Board page 8 107 Error Messages and Codes 3 31 Troubleshooting Procedure Table Continued Steps Actions and Questions Yes No 16 Perform Steps 1 through 3 on page 8 19 Go to Step 19 Go to Step 17 Open and close the front door Observe the Turn Roller Does the Turn Roller turn while the machine is warming up 17 Using service diagnostics test the Tray1 Check the Clutch Go to Step 18 Turn Clutch for slip or the gear Does the Turn Clutch Assembly function for damage normally Replace if In the test actuate the Interlock switch necessary 18 Remove the clutch connector J19 Replace the Replace the Check the following pins Engine Control MPT Turn Is J19 1 lt gt J19 2 less than 2002 Board page 8 107 Clutch page 8 34 19 Does the Feed Gear in Tray 1 turn when Check parts for Go to Step 20 printing 1 sheet of paper damage or obstructions in the paper path 20 Use service diagnostics to test the Tray 1 Check the spring Go to Step 21 Feed Solenoid and stopper of the Does the solenoid actuate Feed Solenoid In the test actuate the Interlock Switch 21 Remove the Tray 1 Feed Solenoid Go to Step 22 Replace the Tray connector J132 1 Feed Solenoid Is J132 1 lt gt J132 2 less than 1002 22 Check the Front 2 Harness for continuity Replace the Replace Front 2 Engine Control Harness Board page 8 107 Assembly PL 6 1 2 3 32 Phaser 6250 Color Laser Printer Servic
261. ng the Fuser Fan note the airflow direction The label on the fan should face out 8 8 Phaser 6250 Color Laser Printer Service Manual Top Main Cover PL1 1 9 Remove the Imaging Unit and protect it from light Remove all the Toner Cartridges Open Door A Open Door C Top Image Unit Cover PL1 1 10 Remove the 2 screws securing the Top Main Cover item 1 to the printer Release the 4 tabs securing the Top Main Cover to the printer N O 0 fF WN Raise the Top Main Cover slightly from the printer flexing both the front edges then lift off by moving the cover toward the rear of the printer Caution When the cover is off reinstall the toner cartridges to prevent contamination of the toner system and spillage of toner 6250 122 Service Parts Disassembly 8 9 Image Unit Top Cover Door C PL1 1 10 a Ff OND Remove the Top Main Cover page 8 9 Open Door A Open Door C Remove the Left Cover page 8 11 Remove the right and left Stud Top Hinge pins item 2 PL1 1 21 from the Image Unit Top Cover item 1 and remove the cover 6250 123 Phaser 6250 Color Laser Printer Service Manual Right and Left Side Covers PL1 1 24 PL1 1 30 1 Remove the Top Main Cover page 8 9 2 Remove 1 screw securing the Right Side Cover item 1 and or Left Side Cover item 2 to the printer 3 Release the tab at the front of the printer securing the Right Side Cover and o
262. nit back to remove the assembly 6250 203 Replacement Notes Align the Laser Unit with the printer locator stud in the oval hole on the unit Replace the hook on each Laser Spring in the notch at each end of the shaft Replace the 3 screws that secure the Laser Unit to the printer Reconnect P J151 A Q N a Note Perform the Color Registration procedure after replacing the Laser Unit 8 68 Phaser 6250 Color Laser Printer Service Manual Housing Assembly Bias PL 9 1 4 Note The Imaging Unit must be removed to prevent loss of the biasing buttons 1 Remove the Imaging Unit and protect it from exposure to light 2 Remove the Left Side Cover page 8 11 3 Disconnect all the wires routed along the left side including the ground wire and remove them from the wire guides 4 Remove the 5 screws securing the Housing Assembly Bias 5 Remove the Housing Assembly Bias by pulling it straight out to avoid damaging the spring contacts 6250 204 Service Parts Disassembly 8 69 Caution The biasing buttons fall out easily when touched from inside the printer see the following drawing for location Avoid touching the biasing buttons while the Housing Assembly Bias is removed from the printer BIASING BUTTONS 6250 504 Replacement Notes Caution To avoid equipment damage move all wiring harnesses out of the way when replacing Ensure that all 8 biasing buttons PL 9 1 5 are in place
263. nits IDT1 2 ea and secondary transfer unit IDT2 1 ea A summary description of the printing process is presented in the following Steps see the illustration on the following page as a reference 1 Charging The charge roller RTC is negatively charged by the high voltage power supply HVPS and is kept in contact with the drum surface to provide a uniform negative charge on the drum as it rotates at a constant speed This occurs simultaneously for YMCK The refresher is a conductive brush that is also negatively charged by the HVPS to pick off any toner particles left on the drum after image transfer to the IDT 2 Exposure The laser unit emits laser beams in response to image data from the Image Processor board The laser beams are directed onto the drum surface through a system of mirrors and lenses A rotating polygonal mirror causes the laser beams to scan the drum surface from end to end axially as it rotates The beams are turned on to print a pixel and off when no printing is required The negative charge on the drum surface is reduced at each point where the energized laser beam strikes to form an invisible electrostatic latent image on the drum surface This process is performed simultaneously for YMCK 3 Development Toner is electrostatically attached to the invisible latent image on the drum surface to form the visible image on the drum Toner is fed into the developer using the agitator and auger The toner and the carrier
264. not lose the flag 6 Remove the Cover Right Left 6250 410 Reassembly Note The Indicator Assembly has to be below the Low Paper Lever Push the indicator about halfway down before inserting the flag Service Parts Disassembly 8 13 Turn Chute Assembly PL15 3 9 1 Remove the Paper Tray from the 500 sheet Feeder 2 Holding the Chute Asssembly Turn grip at both ends push it down and release the 2 tabs from the hole in the Frame Top 3 Release the tabs securing the Chute Assembly Turn to the Tray Guide Left and Right and remove the Chute Assemlby Turn 8 132 Phaser 6250 Color Laser Printer Service Manual Tray 3 Harness Assembly PL15 5 3 and STF Plug Harness Assembly PL15 5 2 1 Remove the Paper Tray from the STF Assembly 2 Remove the Front Covers page 8 130 3 Remove the Cover Right page 8 131 6250 413 Service Parts Disassembly 8 133 Harness Assembly Tray 3 1 Disconnect P J82 gray from the STF Circuit Board 2 Remove the Harness Assembly Tray 3 Harness Assembly Feeder Plug Note The wide slot in the middle of the plug faces outward The tabs on the bottom of J810 can be easily damaged during the removal process 1 Disconnect P J81 yellow from the Power Feeder Circuit Board 2 Remove J810 by lifting out of the hole in the top of the STF frame 3 Lift the entire Harness Assembly Feeder Plug through the hole in the top of the STF frame 8 134 Phaser 6250 Color
265. nt in the help text go to the troubleshooting procedure for Replace Y M C K Toner Cartridge or Y M C K Toner Is Low on page 3 50 The Non Xerox Toner Detected errors Codes 96 99 are triggered when the customer gets the Y M C K Toner Cartridge is Not a Genuine Xerox Product warning message and chooses not to use it by selecting Do Not Use on the front panel Troublesh ooting Reference Table Applicable Parts Wiring and Plug Jack Map References Genuine Xerox toner cartridge consumable PL 10 1 7 10 Developer Section 1 on page 10 19 Troubleshooting Procedure Table Step Actions and Questions Yes No 1 Remove top cover and ensure that Complete Go to Step 2 cartridge is locked in position Does the error clear after locking the cartridge 2 Does the error recur after the pertinent Go to Step 3 Complete toner cartridge has been replaced with genuine Xerox toner 3 Check the connection of the CRUM Go to Step 4 Reconnect the Reader Board to the CRUM Harness connector J341 Is the harness properly connected harness to the CRUM reader board Error Messages and Codes 3 81 Troubleshooting Procedure Table Step Actions and Questions Yes No 4 Does the error recur after the CRUM Go to Step 5 Complete Reader board PL 10 1 21 has been replaced 5 Check continuity of the harness RFID2 Go to Step 6 Replace the J341 J3411 Does the
266. ntinuity Go to Step 20 Replace the Feeder Harness Assembly PL 3 3 24 20 Remove the clutch connector J475 Go to Step 21 Replace the Is J475 1 lt gt J475 2 less than 2002 Paper Pick Assembly PL 3 3 1 21 If possible print one sheet of paper Check parts for Go to Step 22 Did the paper attempt to feed damage or obstructions in the paper path 22 Use service diagnostics to test the Tray 1 Check the spring Go to Step 23 Feed Solenoid and stopper on the Does the solenoid actuate Feed Solenoid During the test actuate the Interlock Switch 23 Verify the voltage between P J47 11 lt gt Go to Step 24 Replace the P J60 2 on the Motor Driver Board is Motor Driver 24 VDC Board page 8 101 24 Check the Feeder Harness for continuity Go to Step 25 Replace the Feeder Harness Assembly PL 3 3 24 25 Remove the Solenoid connector J474 Go to Step 26 Replace Feed IS J474 1 lt gt J474 2 less than 1009 Solenoid PL 3 3 17 26 Check the DRV2 2 Harness for continuity Replace the Replace the Engine Control DRV2 2 Harness Board Assembly page 8 107 PL 13 1 3 Error Messages and Codes 3 35 Misfeed at Tray 3 Jam T3 Try feeding paper from another tray Ensure that the paper path is free of obstructions and debris Ensure that tray is installed correctly Remove fan and reload the media in the tray Ensure that the media in Tray 3 is a supported type and size Cycle printer power If the pro
267. o ensure the customers configuration is correct 8 110 Phaser 6250 Color Laser Printer Service Manual Optional High Capacity Feeder Disassembly Cover Front PL14 2 4 1 Remove Paper Trays 3 and 4 2 Carefully pry up on the 3 tabs securing the Cover Front to the frame and remove the Cover Front 6250 267 Reassembly Note When replacing the Cover Front note the orientation Align the edge with the slit in the Feeder Frame Service Parts Disassembly 8 11 Cover Right PL14 2 1 and Cover Left PL14 2 3 1 Remove Paper Trays 3 and 4 2 Remove the Front Covers page 8 111 3 Remove the 5 screws securing the Cover Right and the 5 screws securing the Cover Left 4 Holding both ends of the cover lift the cover and move left and right flexing slightly to release the tabs from the holes in the Feeder frame 5 Slide the cover toward the front to remove the Indicator Assembly Note The Indicator Assembly flags will pop off 6 Remove the Cover Right Left 6250 269 8 112 Phaser 6250 Color Laser Printer Service Manual Turn Chute Assembly PL14 3 7 1 Remove both Paper Trays from the HCF 2 Holding the Chute Asssembly Turn grip at both ends push it down and release the 2 tabs from the hole in the Fame Top 3 Release the tabs securing the Chute Assembly Turn to the Tray Guide Left and Right and remove the Chute Assemlby Turn
268. oard SDRAM and ROM POST returns control to the boot loader and the operating system is loaded The operating system then loads the imaging processing software If POST detected any soft errors a message is printed in a red box on the start page If the start page has been turned off POST forces a start page to be printed If POST detects any hard errors both the front panel and health LED blink the error code pattern see LED Blink Patterns on page 4 6 POST Startup indications m At power on the hardware default is to turn on the Image Processor IP Board health LED m The IP Board health LED is turned off m The front panel display is reset addressable area becomes gray m The Green LED turns on for 1 3 second m The Yellow LED turns on for 1 3 second m The Red LED turns on for 1 3 second m The front panel LED is turned off m The backlight is turned on high intensity with nominal contrast display m The front panel display area is turned on dark black for 1 second m The front panel display is cleared m The backlight is turned on with nominal intensity m The POST Vn nn message appears and tests are quickly executed in the order shown in the Post Test Sequence table m fany tests fail the front panel screen freezes with the name of the test displayed and the line posted is Call Customer Service m After the POST tests have finished running the Xerox splash screen is posted to t
269. oes the Toner Present Switch YMCk function normally Replace the Engine Control Board page 8 107 Go to Step 2 Check the following for evidence of fault or damage replace the assembly if defective Toner Present Sensor Bracket YMCK PL 10 1 6 Toner Present Switch Actuator YMCK PL 10 1 22 Complete Go to Step 3 Check the output of the pertinent color from the Motor Driver Board P J51 13PIN lt gt P J51 14 15 16 or 17PIN for OV DC Go to Step 7 Go to Step 4 Check the output of the pertinent color from the CRUM Reader Board P J342 5PIN lt gt P J342 1 2 3 or 4PIN for OVDC Go to Step 6 Go to Step 5 3 48 Phaser 6250 Color Laser Printer Service Manual Troubleshooting Procedure Table Step Actions and Questions Yes No 5 Check the pertinent color s switch on the Go to Step 6 Replace Box Assy CRUM Reader Board P J342 5PIN lt gt P CRUM Reader J342 1 2 3 or 4PIN for continuity page 8 85 Depressing the switch should change its logic state 6 Check the Harness Assembly TNR4 J51 Go to Step 7 Replace Harness lt gt J342 fro continuity Assy TNR4 PL 10 1 11 7 Check the output for the pertinent color Go to Step 8 Replace the Motor from the Motor Driver Board P J42 3 4 5 Driver Board or 6 PIN lt gt P J42 14 PIN for OVDC page 8 101 8 Check the output for the pertinent color Replace the Engine Go to Step 9 from the Engine Cont
270. or 3 Troubleshoot using the wiring diagrams Complete Replace the Xerographics 1 on page 10 23 and Engine Control Xerographics 2 on page 10 24 Baord Is the problem resolved page 8 107 Error Messages and Codes 3 85 3 86 Phaser 6250 Color Laser Printer Service Manual General Troubleshooting In this chapter Introduction System Start Up and POST Front Panel Troubleshooting Fault Isolation Inoperable Printer Troubleshooting Printer Inoperable after Power Switch is On AC Power Supply Troubleshooting DC Power Supply Troubleshooting Media Jams and the Paper Path Operating System and Application Problems Network Problems Chapter Introduction This chapter covers the general start up Power On Self Test POST and power supply operations of the printer to aid in troubleshooting problems not associated with a front panel error message or error code For troubleshooting problems associated with an error code or front panel error message notes on how to use the troubleshooting procedure tables and how to use service diagnostics see Chapter 3 Error Messages and Codes on page 3 1 The Printer Status page also contains useful troubleshooting information This page provides general printer information life information for all consumables color registration calibration information Troubleshooting procedures will isolate a problem to a specific component or subassembly in some cases including
271. or Or Tray 4 voltages on pins page 8 135 P J81 8 lt gt P J47 23 P J81 9 lt gt P J47 23 P J81 10 lt gt P J47 23 of the Lower Feeder Circuit Board PL 14 5 1 or 15 5 1 correspond to the paper size switch position chart below 6 Check the OPT Feeder Plug PL 14 5 2 or 15 5 2 Replace Engine Replace the Harness Assy Tray 3 PL 14 5 3 or 15 5 3 and Control Board affected Harness Assy Tray 4 PL 14 5 6 for continuity page 8 107 Harness Assy Paper Size Switches are indicated as SW1 SW2 and SW3 Paper Size Switch Paper Size Swi SW2 sw3 LEGAL 14 ON ON ON LEGAL 13 ON ON OFF EXECUTIVE ON OFF ON B5 ON OFF OFF A4 OFF ON ON A5 Provided for reference only Supported by Tray 1 OFF ON OFF MPT only A OFF OFF ON No Tray OFF OFF OFF 3 66 Phaser 6250 Color Laser Printer Service Manual Wrong Paper Type Load Tray 1 MPT 2 3 4 with size type Note Remove tray and inspect the tray cavity of the printer to ensure that it is free of obstructions or debris Ensure that the tray is loaded with supported media Reinstall the tray Cycle printer power If the problem persists follow the procedure below This is a media TYPE mismatch error indicating an OHP Sensor malfunction Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References OHP Sensor Kit PL 9 1 12 Paper Feed
272. oting the printer 1 From the printer s main menu scroll to the Troubleshooting Menu press OK and then scroll to the Service Tools Menu and press OK 2 Hold down the Up Arrow button and press the Down Arrow button this will display the Hidden Service Menu Scroll to Run Service Diagnostics and press OK Entering by rebooting the printer 1 Turn the printer power OFF 2 Hold down the Back and Information buttons simultaneously and turn the printer back ON 3 Continue to hold the buttons until the following mesage is displayed on the front panel Service Diagnostics V Initializing and then release the buttons 4 The front panel displays the Service Diagnostics Menu You can print a Service Diagnostics Menu Map by highlighting Print Service Menu Map and press OK The printer will run through POST and return to Ready You will need to re enter service diagnostics 3 6 Phaser 6250 Color Laser Printer Service Manual Service Diagnostic Front Panel Button Descriptions Button Function BACK Returns to the prior higher level menu structure if available If help text is displayed on the front panel pressing BACK will restore the current menu item and remove the help text CANCEL _ Terminates the current test Cancels current INFO display INFO Provides help information if available Pressing INFO again restores the current menu item and removes the help text UP Scrolls up one menu item within a
273. overs see page 8 11 Remove the Rear Cover see page 8 12 a fF Q N Remove the Cartridge Holder screws on each side working from the Yellow cartridge back to the cartridge that is to be removed Note When removing the Black cartridge remove only the screws for that cartridge 6 Disconnect P J 51 from the Motor Driver Board 7 Starting at the Yellow cartridge disconnect the motor connector and remove wires from the cable retainers 8 Beginning with the Yellow slide the toner holder slightly to the right just far enough to clear the left alignment pin then lift first the right end and then the left end of the holder Note It may be necessary to disconnect the Toner Low Sensor connectors P J 701 Y P J 702 M P J 703 C and P J 704 K to move the holder out of the way 9 Move the holder out of the way and proceed with the next one until the desired cartridge is reached 10 Remove the Toner Cartridge Note Rotate the Toner Holder Assembly with the switch facing up before removing the switch to prevent toner spills 8 82 Phaser 6250 Color Laser Printer Service Manual 11 Carefully pry the tabs securing the Toner Present Switch Assembly with a small screwdriver and remove the switch LA LEFT 6250 217 Service Parts Disassembly 8 83 Toner Low Sensor PL 10 1 5 1 Remove the Toner Cartridge Holder Assembly of the relevant color following the procedure given for the Toner Present Switch Bra
274. ower is turned on or after the front cover is opened and closed Checks every 14 seconds when printing 2 The Toner Empty warning is displayed when the counter on the Customer Replaceable Unit Monitor CRUM indicates that the toner is empty 3 The Toner Empty error is displayed when the toner low sensor detects that toner is empty 4 When a new toner cartridge is installed Toner Empty error not being generated toner is dispensed for 1 7 seconds At the next toner control timing if the toner low sensor detects toner present the Toner Full Toner Empty Warning and Toner Empty Error are reset When toner is dispensed and the toner low sensor detects toner present three or more times consecutively the controller regards this status as Toner Present 5 If the toner low sensor does not detect toner present toner will be dispensed for 1 7 seconds again 5 seconds later If toner present is not detected after executing toner dispense three times and if toner cartridge dispense time shows 0 Remove Ribbon From x Cartridge error is displayed 2 12 Phaser 6250 Color Laser Printer Service Manual Fuser Control Fuser Temperature Control During fuser temperature control the printer s target temperature is set The heat roller surface temperature is controlled to match the target temperature by turning the heater lamp on off The heat roller surface temperature is detected by two sensors A non con
275. ower supplied from the print engine to each component 2 Feeder Drive Assembly Supplies the drive to the Tray 3 and 4 3 Low Paper Sensor The actuator lowers as print media is used in the tray When the actuator lowers to a pre determined postion it blocks the sensor beam to trigger a low paper status The actuator position can be seen from the front of the HCF allowing confirmation of the print media quantity Theory of Operation 2 23 6250 406 1 500 Sheet Feeder Circuit Board Controls the paper pick up operation of tray 3 based on communication with the Engine Control Board and information from the sensors and switches Major Functions Communicates with the Engine Control Board Receives information transmitted from the sensors and switches Controls the Feeder Drive Assembly Controls the paper pick process Distributes the DC voltage power supplied from the print engine to each component 2 Feeder Drive Assembly Supplies the drive to the tray 3 3 Low Paper Sensor The actuator lowers as print media is used in the tray When the actuator lowers to a pre determined postion it blocks the sensor beam to trigger a low paper status The actuator position can be seen from the front of the 500 Sheet Feeder allowing confirmation of the print media quantity 2 24 Phaser 6250 Color Laser Printer Service Manual HCF Drive and Gears Transmission Route CLUTCH ASSY TURN GEAR IDLER FEED ES GEAR IDL
276. p PL 3 2 amp PL 3 3 Parts List 9 9 PL 3 2 Paper Feed Il P2361 S J471 P810 6250 289 9 10 Phaser 6250 Color Laser Printer Service Manual PL 3 2 Paper Feed II FRU Parts List Table ID No Part Number Qty Name Description 1 116 1340 00 1 Assembly Harness Temperature Humidity J231 J2361 2 116 1341 00 1 Sensor Temperature Humidity 3 116 1342 00 1 Asssembly Harness LTA HCF J210 P810 4 116 1343 00 1 Assembly Paper Size Switch 5 116 1625 00 4 Printer Feet 4 per order 7 116 1345 00 1 Lever Low Paper 8 116 1346 00 1 Indicator Paper Level 9 1 Indicator Holder Shaft NS 10 116 1348 00 1 Indicator Guide 11 1 Indicator Spring NS 12 1 Indicator Shaft NS 13 116 1351 00 1 Paper Tray Stopper Parts List 9 11 PL 3 3 Paper Feed Ill V 1 with 2 5 7 23 o 2 a J475 22 J471 21 J472 J473 P474 24 P475 W99 with 8 11 15 and 19 J47 6250 290 9 12 Phaser 6250 Color Laser Printer Service Manual PL 3 3 Paper Feeder Ill Service Parts List ID No Part Number Qty Name Description 1 116 1352 00 1 Assembly Paper Pick with 2 5 amp 7 23 2 1 Shaft Feed 1 NS 3 116 1353 01 2 Paper Pick Roller Kit 2 per order 4 116 1354 00 1 Sensor No Paper Low Paper 5
277. p References Paper Pick Roller Kit PL 14 4 3 Paper Tray 4 on page 10 30 Paper Feed Roller Kit PL 14 1 2 Paper Feed on page 10 25 HCF Paper Pick Assembly PL 14 4 1 Drive Section on page 10 28 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Does the printer feed paper correctly from Go to Step 2 See Misfeed at Tray 2 Tray 2 Jam T2 on page 3 33 2 Does the HCF Motor run when printing one Go to Step 10 Go to Step 3 sheet 3 Use service diagnostics to test the HCF Replace the Go to Step 4 Motor Engine Control Does the HCF motor function correctly Board page 8 107 4 Verify the voltage between P J84 3 lt gt P Go to Step 7 Go to Step 5 J81 1 on the Lower Feeder Circuit Board is 24 VDC 5 Verify the voltage between P J81 2 lt gt P Replace the Go to Step 6 J81 1 on the Lower Feeder Circuit Board HCF Lower Feeder is 24 VDC Circuit Board PL 14 5 1 6 Verify the connector between the HCF and Replace the Go to Step 7 the printer is connected properly and not damaged part damaged 7 Does the error recur after the HCF Motor has Go to Step 8 Complete been replaced with a new one Error Messages and Codes 3 39 Troubleshooting Procedure Table Continued Steps Actions and Questions Yes No 8 Perform Steps 1 through 3 in page 8 113 Go to Step 12 Go to Step 9 Open an
278. ppet If the snippet has been installed a page is printed containing the lines 6250FMSCheck ps has been sent to the printer 219 219 Power printer OFF then ON to finish check If the FMS snippet has not been installed the page reads 6250FMSFix ps HAS NOT BEEN SENT TO THE PRINTER 199 If the current limiting values were undefined the page reads PRINTER NOT READY 187 Wait until the printer is in READY State and resend file Has the FMS snippet been installed 9 Reset NVRAM values for Fuser Motor current Go to Step 10 Repeat Step 9 limiting using 6250FMSOrig psx Download this snippet from the Partner or Customer Support web site NOTE The printer must be at the Ready state to receive the snippet Following installation a page prints with the lines Printer updated to original value 199 199 Power printer OFF then ON to finish upgrade If the snippet did not installed correctly the page reads PRINTER UPDATE UNSUCCESSFUL 219 219 Wait until the printer is in READY State and resend file Are the NVRAM values reset 3 26 Phaser 6250 Color Laser Printer Service Manual Troubleshooting Procedure Table Continued Sieps Action and Questions Yes No 10 Install the current the FMS snippet 6250FMSFix psx Download this snippet from the Partner or Customer Support web sites NOTE The printer must be at the Ready state to receive the snippet Followin
279. printing again 2 Determine the printer IP from the front panel or startup page Return the front panel to the initial menu and check to make sure it indicates Ready to Print If it does not indicate Ready to Print correct that first 3 Make sure you can connect to the printer via network from the host Open a safari or internet explorer window to the printer IP address Once you have established basic network connectivity proceed to Step 4 a 4 18 If you can not see the CentreWare IS page from the printer CWIS web server the printer may be off on a different network or the host is not networked correctly Try Steps b through f to correct the problem If you make any changes to the network try printing the job again Open System Preferences select Network and select the TCP IP tab Make sure you have a valid IP address The IP address for the host must be on the same subnet as the printer the test in Step e can determine if subnet is set correctly Correct the settings and retry if needed If you are on a network with a proxy server ensure the local connections are excluded from the proxy Check System Preferences Proxies tab in the Bypass proxy settings for these Hosts and Domains to ensure the local network devices are excluded from proxy redirection For example If you open Safari to the printer IP and get an error message similar to Error the request item could not be loaded by the proxy you
280. r Left Side Cover to the printer 4 Flex the cover slightly and slide it off to the rear to remove it from the printer 6250 127 6250 134 Service Parts Disassembly 8 11 Rear Cover PL 1 1 20 1 Remove the Right and Left Side Covers page 8 11 2 Raise the Rear Cover item 1 slightly to release the 7 tabs securing the cover to the printer and remove the cover 8 12 Phaser 6250 Color Laser Printer Service Manual Left and Right Links PL 1 1 23 Note To disengage the links from the printer without removing the link release the end of the link from the retaining clip and leave the spring connected to the printer Remove the Right and Left Side Covers page 8 11 Remove the upper end eye of the spring item 1 from the printer Open Door A With a flat blade screwdriver spread apart both sides of the metal retaining clip holding the Link item 2 to the Front Cover Assembly and remove the Link and Spring together A Q N a 6250 506 6250 126 Service Parts Disassembly 8 13 Tray 1 MPT PL1 1 99 1 Open Tray 1 2 Flex the right and left side of the Tray 1 Slide item 1 PL 1 1 27 to seperate the base from the slide 3 With the Tray 1 Slide at a 90 degree angle pull the slide out of the printer 4 To remove the Tray 1 Base item 2 PL 1 1 28 from the printer push down on the center of the Tray 1 Lift Plate press in on the base lif
281. r Tray 8 18 Paper Path of the Printer 2 14 Paper Path Route 2 15 Paper Pick 2 6 Paper Pick Assembly 8 22 Paper Pick Assembly Tray 3 9 48 Paper Pick Assembly Trays 3 amp 4 9 40 Paper Pick Rollers 8 29 Paper Size Control 2 5 Paper Size Switch Assembly 4 11 8 26 8 128 8 146 Paper Tray 2 2 19 10 17 Paper Tray 3 9 44 10 29 10 33 Paper Tray 4 10 30 Paper Trays 3 amp 4 9 36 Parts of the Printer 1 5 Phaser 6250 Color Laser Printer Phaser 6250 Front Panel Configuration 1 6 Physical Dimensions and Clearances 1 11 Plug Jack Locator Maps 10 2 POST Diagnostic Test Descriptions 4 7 POST Faults 4 6 PostScript NVRAM Resets 6 4 Power 4 2 Power On Self Test POST 4 4 Power Safety Precautions I vi Power Supplies 10 16 Power Supply 4 12 Power Up Modes 4 2 preventive maintenance 7 2 Print Engine Disassembly 8 6 Print Engine Parts 9 4 Print Engine Test Print 5 9 Print Engine Wiring Diagrams 10 14 Print Modes 2 5 Print Quality Troubleshooting 5 10 Printer Chassis 8 20 Printer Configurations 1 2 Printer Controls 2 5 Printer Does Not Come to a Ready State 4 9 4 10 Printer Introduction and Overview 1 2 Printer Memory and RAM Capabilities 1 4 Printer Options Wiring Diagrams 10 27 Printer Specifications 1 11 Printer Status Page 4 2 Print Quality Problems Overview 5 2 Process Control 2 6 Product Terms 1 iv R Rear Cover 8 12 Rear Fan 8 102 Rear Fan
282. r Sensor Y M C K Detects level of toner in each auger tube 6 Circuit Board EEPROM Consumable use Fuser and Imaging Unit NVRAM Data information is stored and communicated to the Engine Control Board 2 38 Phaser 6250 Color Laser Printer Service Manual Toner Cartridge Assembly cont d 6250 071 1 Agitator Assembly 2 Toner Motor 3 Auger Assembly 4 Auger Tube Theory of Operation 2 39 Toner Motor Drive Assembly Transmission Route Toner Motor Gear Auger Auger Gear Film Agitator i i TONER CARTRIDGE HOLDER ASSY TONER CARTRIDGE 6250 051 Developer Assembly Transmission Route DEVELOPER DRIVE ASSY y y y y Developer Y Developer M Developer C Developer K IMAGING UNIT 6250 048 2 40 Phaser 6250 Color Laser Printer Service Manual Electrical 6250 065 1 Engine Control Board Controls printing operation based on the communication with the Image Processor Board and input from the sensors and switches Incorporates functions of the High Voltage Power Supply Major Functions Communicates with the Image Processor Board m Receives information from the sensors and or switches Controls the Laser Unit m Supplies high voltage to the Imaging Unit to perform charging development primary transfer and secondary transfer 2 Image Processor Board Receives data from the work
283. r to the Paper Pick Assembly and remove the No Paper Sensor RIGHT g TOP 6250 155 Removal Low Paper Sensor 1 Disconnect P J473 yellow on the Low Paper Sensor 2 Release 3 tabs securing the Low Paper Sensor to the Paper Pick Assembly and remove the sensor 6250 158 Service Parts Disassembly 8 31 Link Actuator PL3 3 6 Note Perform this procedure from the rear of the printer 1 Pull the paper tray out of the printer 2 Remove the paper tray Rear Cover by pushing in on the left side until the cover comes off the left mounting tab then remove it from the right tab 3 Reach in through the rear of the printer and spread the tabs of the Link Actuator item 1 apart and disconnect it from the Actuator No Paper item 2 4 Remove the link actuator from the bracket in the printer and remove 6250 157 8 32 Phaser 6250 Color Laser Printer Service Manual Feed Solenoid PL3 3 17 1 Remove the Printer Chassis from the Paper Feeder Assembly page 8 20 2 Remove the Paper Pick Assembly page 8 22 3 Remove 1 screw securing the Feed Solenoid to the Paper Pick Assembly 4 Separate the Feed Solenoid slightly and shift the harness to disconnect P J474 gray 5 Remove the Feed Solenoid N 6250 159 Service Parts Disassembly 8 33 Turn Clutch Assembly PL3 3 18 1 Remove the Printer Chassis from the Paper Feeder Assembly page 8 20 2 Remove the Paper Pick Assembly p
284. re determined postion it blocks the sensor beam to trigger a low paper status The actuator position can be seen from the front of the paper tray allowing confirmation of the print media quantity Paper Feed Roll See paper Pick Rollers Roll Turn Assembly The roll turn assembly receives drive energy from the main drive through the turn clutch and transports the print media out of the paper tray to the registration roller High Capacity Feeder Trays 3 and 4 Note The callouts in the following figure refer to the identifying numbers in the preceding paragraphs The T3 and T4 in the callouts identify the tray Tray 2 paper pick assembly has a different part number than the HCF Tray 3 and Tray 4 paper pick assembly 12 T3 11 T3 6250 446 Theory of Operation 2 21 500 Sheet Feeder Tray 3 Note Tray 2 paper pick assembly has a different part number than the 500 Sheet Feeder Tray 3 paper pick assembly 12T3 9T3 1113 6250 405 Phaser 6250 Color Laser Printer Service Manual 2 22 6250 447 1 HCF Feeder Circuit Board Controls the paper pick up operation of each tray based on communication with the Engine Control Board and information from the sensors and switches Major Functions m Communicates with the Engine Control Board Receives information transmitted from the sensors and switches Controls the Feeder Drive Assembly Controls the paper pick process Distributes the DC voltage p
285. rectly feed solenoid and replace if necessary 15 Verify the voltage between P J82 11 lt gt P Go to Step 16 Replace the J81 1 on the Lower Feeder Circuit Board is 24 VDC Lower Feeder Circuit Board PL 14 5 1 or PL 15 5 1 Error Messages and Codes 3 37 Troubleshooting Procedure Table Continued Steps Actions and Questions Yes No 16 Remove the Tray 3 Feed Solenoid connector Go to Step 17 Replace the Tray J824 3 Feed Is J824 1 lt gt J824 2 less than 100 ohms Solenoid PL 14 4 17 or PL 15 4 17 17 Verify the voltage between P J83 11 lt gt P Go to Step 18 Replace the J81 1 on the Circuit Board LTA is 24 VDC Lower Feeder Circuit Board PL 14 5 1 or PL 15 5 1 18 Check the OPT Feeder Plug Assembly to the Replace the Replace the LTA Main Assembly to the Tray 3 Harness Engine Control open Harness Assembly for continuity Board Assembly See Paper Tray 3 on page 10 29 page 8 107 3 38 Phaser 6250 Color Laser Printer Service Manual Misfeed at Tray 4 Jam T4 Try feeding paper from another tray Ensure that the paper path is free of obstructions and debris Ensure that tray is installed correctly Remove fan and reload the media in the tray Ensure that the media in Tray 3 is a supported type and size Cycle printer power If the problem persists follow the procedure below Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Ma
286. riptions Phaser 6250 Flashing Green Receiving Processing Data Printing or Power Saver Mode Flashing Red Error 1 2 1 LED Power Status 5 2 Graphic front panel display 6 3 Cancel Button 7 4 Back Button 8 Front Panel Shortcuts 6250 022 Up Arrow Button scrolls up the menu system Down Arrow Button scrolls down the menu system OK select Button Information Button for additional explanation or help Mode Press this selection at Power On Skip execution of POST diagnostics OK Print Service Diagnostics Map INFO Reset PostScript NVRAM BACK OK Password Bypass UP DOWN Enter Service Diagnostics BACK INFO 1 6 Phaser 6250 Color Laser Printer Service Manual Rear View Ta 6250 019 6 1 Top Cover 5 Paper Tray Rear Cover 2 Toner Cartidges 6 USB Connector 3 AC Power Connector 7 Ethernet 10BaseT and 100Tx Connector 4 Image Processor Board 8 IEEE 1284 Parallel Connector Rear Panel Configuration Interfaces m IEEE 1284 Parallel m Ethernet 10BaseT and 100Tx mE USB General Information 1 7 Image Processor Board The components identified in the following figure need to be transferred from the old board to the new board when installing a new Image Processor Board in the printer Data stored in the NVRAM can be transferred to the new board using the MCU NVRAM Store Restore functions instead of by moving the component Detailed information on the Store Re
287. rocessor Board 0 0 00 eee e cence 10 26 Service Manual xxi Printer Options Wiring Diagrams 0 0 00 cece eee eee 10 27 High Capacity Feeder Main Wiring Diagram 10 27 Drive Section HCF 0 cece eee eee eee eee 10 28 Paper TAY 3 ANG wan weeded DAANAN aaa 10 29 Paper Tray 4 i a Na wenn Ga a ak haa 10 30 500 sheet Feeder Main Wiring Diagram 10 31 Drive Section STF 0 0 0c cece cece ee eee eee 10 32 Paper TAY 3 naaa Binan Seaver ns wae in an ee 10 33 Reference Printer Status CodeS 03 0c bcdcccad ce ttedad peheni p handed A 2 Index xxii Phaser 6250 Color Printer General Information In this chapter Printer Introduction and Overview Printer Configurations Parts of the Printer Phaser 6250 Front Panel Configuration Image Processor Board Routine Maintenance Items Printer Specifications Chapter Printer Introduction and Overview The Xerox Phaser 6250 Color Laser Printer Service Manual is the primary document used for repairing maintaining and troubleshooting the printer To ensure complete understanding of this product participation in Xerox Phaser 6250 Service Training is strongly recommended Phaser 6250 Color Laser Printer shown with the Optional High Capacity Feeder 6250 010 Printer Configurations The Phaser 6250 Printer combines a single pass tandem color laser design with an image processor supporting Post
288. rol Board P J12 25 Control Board 26 27 or 28 PIN lt gt P J12 17 PIN for page 8 107 OVDC 9 Check the harness Assembly DRV2 2 J12 Replace the Engine Replace the lt gt J42 for continuity Control Board Harness Assy page 8 107 DRV2 2 PL 13 1 3 Error Messages and Codes 3 49 Replace Y M C K Toner Cartridge or Y M C K Toner Is Low m Print the Supplies Usage page to verify remaining life and Toner Cartridge install date Replace the cartridge Cycle printer power If the problem persists follow the procedure below Note Y M C K Toner Is Low is a warning condition Replace Y M C K Toner Cartridge is a hard stop error condition An empty cartridge or a fatal error within the cartridge or printer can cause the hard stop condition Check for an error code in the help text prior to troubleshooting this error message If a code is present in the help text go to the fatal error troubleshooting procedure for Replace Y M C K Toner Cartridge on page 3 81 When no jobs are being sent to the printer an additional low toner warning message Y M C K Toner Cartridge Empty will be displayed on the front panel This allows continued printing Run Black in black and white mode for a short period of time Once the color cartridges are empty the message changes to Replace Y M C K Toner Cartridge a hard stop Troubleshooting Reference Table
289. roubleshooting Procedure Table Steps Actions and Questions Yes No 1 Cycle power to the printer Go to Step 2 Complete Does the error still appear 2 Remove and reinstall the Imaging Unit Go to Step 3 Complete and Fuser Assembly Does the error recur after the power has been turned off and then on 3 Does the error recur if the Imaging Unit is Go to Step 4 Complete replaced and the power has been turned off and then on 4 Does the error recur if the Fuser Go to Step 5 Complete Assembly is replaced and the power has been turned off and then on 5 Does the error recur if the EEPROM Replace the Engine Complete board is replaced and the power has Control Board been turned off and then on page 8 107 3 80 Phaser 6250 Color Laser Printer Service Manual Replace Y M C K Toner Cartridge The CRUM reader detected a CRUM ID error or Non Xerox toner cartridge installed in the printer Code 90 Code 91 Code 92 Code 93 Code 96 Code 97 Code 98 Code 99 Note Cyan CRUM LD Error Magenta CRUM LD Error Yellow CRUM LD Error Black CRUM LD Error Non Xerox Cyan toner detected Non Xerox Yellow toner detected Non Xerox Black toner detected Non Xerox Magenta toner detected An empty cartridge Non Xerox Toner Use or a fatal error within the cartridge or printer can cause this error condition Check for an error code in the help text prior to troubleshooting If a code is not prese
290. rts List 9 3 Print Engine Parts a i044 a robb irii putia Ohad PEE Re 9 4 PLAT COVERS a ers bed kb NA PIGA nb 9 4 PL 2 1 Universal Paper Tray cece cee eee eee 9 7 PL 3 1 Paper Feed 2 cece eee eee 9 8 PL 3 2 Paper Feed Wisc kaa cae punni booed ee eee E DAMN 9 10 PL 3 3 Paper Feed Ill 00 cece 9 12 PL 4 1 Housing Assembly Retard 000005 9 14 PL 5 1 Chute Assembly In 1 2 0 cece eee eee 9 16 PL 6 1 Chute Assembly Out 0 0 0 cee ee eee 9 18 PL 7 1 Chute Assembly Exit 000005 9 22 Phaser 6250 Color Printer PL 8 1 Transfer Roller amp Fuser Assembly RMIs 9 24 PL 9 1 XerographicS 0 0 0 cece cee eee eee 9 26 PL 10 1 Holder Toner Cartridge Assembly 9 28 PL 11 1 Frame and Drive Assemblies 9 30 PL 12 1 Electrical 0 cece eee 9 32 PL 13 1 Harness Assemblies n n nonna cece cece ee eens 9 34 Optional High Capacity Feeder 0 0 cece eee eee eee 9 36 PL 14 1 Paper Trays 3 amp 4 0 0 0 cc cece ences 9 36 PL 14 2 High Capacity Feeder Covers 9 37 PL 14 3 High Capacity Feeder Guides and Turn Chute Assembly 9 38 PL 14 4 Paper Pick Assembly Trays344 9 40 PL 14 5 High Capacity Feeder Harness Board and Motor 9 42 Optional 500 sheet Feeder cee eee 9 44 PL 15 1 Paper Tray 3 i naasa naba G a TAN DADAHANA DELAS 9 44 PL 15 2 500 sheet
291. rts List Table ID No Part Number Qty Name Description 1 116 1616 00 1 Assembly Harness LVNC J165 61 2 116 1500 00 1 Assembly Harness DRV 1 J11 J41 3 116 1617 00 1 Assembly Harness DRV 2 J12 J42 4 116 1502 00 1 Assembly Harness LVRPG J164 311 5 116 1503 00 1 Assembly Harness ROSKA J15 J151 6 116 1504 00 1 Assembly Harness 24 V J60 J163 7 116 1505 00 1 Assembly Harness FRONT 1A J13 P138 P139 P1361 J5011 8 116 1506 00 1 Assembly Harness OPF MAIN J121 P210 9 116 1205 00 1 Assembly Harness OPEPANE OPA J22 J168 P221 10 116 1508 00 1 Assembly Harness EEPROM J140 P71 J144 P141 11 12 116 1618 00 1 Assembly Harness TMPNCS J24 J2361 P2362 13 116 1620 00 1 Assembly Harness RFID J34 P3411 14 Parts List 9 35 Optional High Capacity Feeder PL 14 1 Paper Trays 3 amp 4 V 1 with 2 7 6250 486 PL 14 1 Tray 3 4 4 Univeral Paper Service Parts List Table ID No Part Number Qty Name Description AG 116 1378 00 1 Universal Paper Tray with 2 6 2 116 1331 00 2 Paper Feed Roller Kit 2 interchangeable rollers per order 3 116 1332 00 1 Assembly Friction Clutch 4 1 Holder Retard NS 5 116 1632 00 1 Spring Retard 6 7 116 1490 00 Chute Guide Cover 9 36 Phaser 6250 Color Laser Printer Service Manual PL 14 2 High Capacity
292. s Engine Control Board CRUM Harness Assembly Toner Full Sensor Harness Assembly EEPROM Circuit Board 141 3 EEPROM Harness Assembly Chute Assembly In Toner Full Sensor 142 2 Chute Assembly In EEPROM Harness Assembly Toner Full Sensor 144 3 EEPROM Circuit Board Yellow Engine Control Board goes to top connector 145 3 EEPROM Circuit Board Grey Fuser Harness goes to bottom connector 151 2 Laser Unit Engine Control Board 161 2 LVPS Assembly Power Cord 162 2 LVPS Assembly Fuser Assembly 163 2 LVPS Assembly Motor Driver Board 164 2 LVPS Assembly Engine Control Board 165 2 LVPS Assembly Motor Driver Board 166 2 LVPS Assembly Rear Fan 167 2 NC NC 168 2 NC Engine Control Board 181 3 Chute Assembly Registration Engine Control Board Registration Sensor 210 2 Lower Feeder Harness Assy HCF Plug FPC 1 Front Panel OPEPANE Harness Assembly 221 3 OPEPANE Harness Assembly Front Panel 231 4 Temp Humidity Sensor Temp Humidity Harness Assembly 232 2 Fuser Assembly FRONT 1A Harness Assembly 311 3 Engine Control Board LVPS Assembly 321 3 OHP Sensor Engine Control Board 341 1 CRUM Reader Board CRUM Reader Harness FPC Front Panel Connector 10 4 Phaser 6250 Color Laser Printer Service Manual Plug Jack Locator Table Continued P J No Map Connected to Other end connected to 342 1 CRUM Reader Board Motor Driver Board 471 4 Paper Size Switch Assemb
293. s front panel Troubleshooting lt gt Print Quality Problems Menu and follow the instructions detailed on the page Margin Calibration The Calibrate Margins Menu allows you to adjust the printer s imaging area relative to the edges of the paper The imaging area is shown as a dashed rectangle on the front side of the print the printer will not print outside this rectangle The dashed rectangle should line up with the solid rectangle printed on the back side of the page Hold up to strong light for verification Print the Calibrate Margins Page from the printer s front panel Troubleshooting lt gt Print Quality Problems Menu and follow the instructions detailed on the page 6 2 Phaser 6250 Color Laser Printer Service Manual Adjustments Horizontal and Vertical Color Registration Horizontal Color Registration This procedure must be performed whenever the Laser Unit has been removed or replaced The Color Registration Menu allows you to adjust the printer s cyan magenta and yellow against black to ensure that the colors are properly aligned You can adjust the settings from 7 to 7 units left to right See the images on the left 0 is always the printer s current color registration setting Print the Color Registration Page from the printer s front panel Troubleshooting lt gt Print Quality Problems Menu Vertical Color Registration This adjustment is performed automatically when the Color Regisrtation
294. sassembly Text The notation item X points to a numbered callout in the illustration corresponding to the disassembly procedure being performed The notation PLX X X indicates that this component is listed in the Parts List Bold arrows in an illustration show direction of movement when removing or replacing a component Service Parts Disassembly 8 3 Removing Routine Maintenance Items and Consumables Routine Maintenance Items include the Transfer Roller Imaging Unit and Fuser Assembly The Paper Feed Rollers are also Routine Maintenance Items but individual procedures for their removal and replacement are provided on page 8 18 and page 8 36 Consumables consist of the four toner cartridges Transfer Roller Removal Warning A Q N If the printer has been in operation recently the Fuser may be hot Be careful when you release the latches on the Transfer Roller not to come into contact with the hot Fuser Power down the printer Open Door A Squeeze the latch at each end of the Transfer Roller and pivot the latch up Lift the Transfer Roller out of the printer Imaging Unit Removal a Bb WN a Power down the printer Open Door A Open Door C Grasp the handle on the top of the Imaging Unit and lift it out of the printer Place the Imaging Unit in a light proof bag or other light proof container Caution 8 4 Leaving the Imaging Unit exposed to light for periods in excess of a f
295. screws securing the Main Drive Assembly to the printer OMAN O Od FWD a Remove the Main Drive item 1 Kofi j Wee PLP oP 6250 225 8 94 Phaser 6250 Color Laser Printer Service Manual Developer Drive Assembly PL 11 1 13 Remove the Right Cover page 8 11 Disconnect connector P J49 from the Motor Driver Board Remove the Motor Driver Board page 8 101 A Q N a Remove the 4 screws securing the Developer Drive Assembly item 1 and remove 6250 224 Service Parts Disassembly 8 95 Actuator I L PL 11 1 8 and Spring I L PL 11 1 9 1 Remove the Right Cover page 8 11 2 Remove the 4 screws on the Motor Driver Board and set the board to the side 3 Remove the spring from the actuator 4 Release the hook securing the actuator item 1 to the shaft and remove 6250 223 8 96 Phaser 6250 Color Laser Printer Service Manual Earth Ground Circuit Board PL 11 1 16 Remove the Fuser Assembly Remove the Transfer Roll Assembly Remove the Chute Assembly Registration page 8 71 A Q N a Remove the Housing Assembly Retard page 8 37 Note Loosen the screw securing the grounding strap at the left side of the board to allow removal of the board without bending the grounding strap 5 Remove the 2 screws securing the Ground Circuit Board item 1 and remove the board 6250 238 Service Parts Disassembly 8 97 Electrical
296. securing the Guide Caster item 1 PL 14 2 8 to the bottom of the HCF and remove the Guide O opf rrp0025FA 4 Remove the 3 screws securing the Caster item 2 PL 14 2 5 or PL 14 2 6 to the bottom of the HCF and remove the Caster Replacement Notes Note When replacing the Locking front Casters ensure that the Caster is facing forward as shown in the preceding figure before replacing the Guide Caster Service Parts Disassembly 8 129 Optional 500 sheet Feeder Disassembly Cover Front PL15 2 4 1 Remove Paper Tray 3 2 Carefully pry up on the 3 tabs securing the Cover Front to the frame and remove the Cover Front 6250 408 Reassembly Note When replacing the Cover Front note the orientation Align the edge with the slit in the Feeder Frame 8 130 Phaser 6250 Color Laser Printer Service Manual Cover Right PL15 2 2 and Cover Left PL15 2 1 1 Remove Paper Tray 3 2 Remove the Front Covers page 8 130 3 Remove the 4 screws securing the Cover Right and the 4 screws securing the Cover Left 4 Holding both ends of the cover lift the cover and move left and right flexing slightly to release the tabs from the holes in the Feeder frame 5 Slide the cover toward the front to remove the Indicator Assembly Caution Do not pull sideways on the cover as you may break the Indicator Mounting Arm The Indicator Assembly flag will pop off as the cover slides forward do
297. sembly has to be below the Low Paper Lever Service Parts Disassembly 8 137 Right Tray Guide PL15 3 5 and Low Paper Lever PL 15 5 7 Guide Assembly Paper Tray Right Remove the Paper Tray from the STF Remove the Front Covers page 8 130 Remove the Right Cover page 8 131 Remove the Turn Chute Assembly page 8 132 Remove the Feeder Drive Assembly page 8 136 Remove the Indicator Assembly page 8 137 Remove the STF Circuit Board page 8 135 Remove the 1 screw securing the Low Paper Bracket to the STF frame OMAN O a FWD Remove the Bracket 6250 415 10 Remove the 5 screws securing the Right Tray Guide to the STF frame 8 138 Phaser 6250 Color Laser Printer Service Manual 11 Release the 7 tabs securing the Right Tray Guide to the STF frame T LB 3 DI LAME yore UO e ar 6250 417 12 Carefully remove the Low Paper Lever from the slit in the Right Tray Guide Service Parts Disassembly 8 139 13 Remove the Guide Assembly Right by rotating the top in 4 Ped SES owe 9 LAS KN KA h A ANN SP INN SN fir iy Sy Lk k kY Ing NS kd w Ng N 1 x LA N r N N N 6250 418 8 140 Phaser 6250 Color Laser Printer Service Manual Left Tray Guide PL15 3 3 Remove the Paper Tray from the STE Remove the Front Covers page 8 130 Remove the Left Cover page 8 131 Remove the Turn Chute Assembly page 8 132
298. shooting on page 4 13 12 Check the power supply by verifing the Go to Step 13 Go to Step 14 voltage between P J61 8 lt gt P J61 7 on the Motor Driver Board is 5 VDC 13 Check the power supply by verifing the Go to Step 15 Go to Step 14 voltage between P J61 6 lt gt P J61 5 on the Motor Driver Board is 3 3 VDC 14 Check the LVNC3 Harness for continuity See DC Power Replace the See Main Wiring Diagram on Supply Harness LVNC3 page 10 15 Troubleshooting PL 13 1 1 on page 4 13 15 Check the DRV 1 Harness for continuity Replace in the Replace the See Drive Section on page 10 18 following order DRV 1 Harness Main Drive Assembly Assembly PL 13 1 1 page 8 94 Engine Control Board page 8 107 3 34 Phaser 6250 Color Laser Printer Service Manual Troubleshooting Procedure Table Continued 16 Perform Steps 1 through 3 on page 8 19 Go to Step 21 Go to Step 17 Open and close the front door Observe the Turn Roller Dose the Turn Roller turn while the machine is warming up 17 Use service diagnostics to test the Tray1 Check the clutch Go to Step 18 Turn Clutch and gears for During the test close the Interlock damage Switch Replace if necessary 18 Verify the voltage between P J47 13 lt gt Go to Step 19 Replace the P J60 2 on the Motor Driver Board is Motor Driver 24 VDC Board page 8 101 19 Check the Feeder Harness for co
299. solved after Complete Go to Step 2 replacing the Imaging Unit 2 Inspect the Imaging Unit charge Complete Go to Step 3 voltage contacts PL9 1 5 and the Bias Housing Assembly PL 9 1 4 in the printer for any damage or defects See Imaging Unit Charge Voltage Contacts on page 2 36 3 Is the problem resolved after Complete Replace the Engine replacing the Sub High Voltage Control Board Supply Board page 8 87 page 8 107 Note After replacing any component in Step 2 or 3 run the Clean the Imaging Unit from the Maintenance section of Service Diagnostics See Service Diagnostic Tests on page 3 9 Print Quality Troubleshooting 5 15 Missing Band Voids Or Streaks In a Single Color or All Colors Parallel to the Leading Edge There are areas of the image that are extremely light or missing entirely These missing areas form bands parallel to the leading edge Troubleshooting Procedure S6200 273 Step Check Yes No 1 Is the 600 x 600 test pattern printed Replace the Image Go to Step 2 as specified in Print Engine Test Processor Board Print on page 5 9 correct page 8 110 2 Is the paper wrinkled dimpled or Complete Go to Step 3 show any signs of having a high moisture content Is the problem resolved by loading fresh dry paper 3 Print a Repeating Defects Page Replace the Go to Step 4 Do the defects correspond to a indicated Routine Routine Maintenance Item Maint
300. ssembly 8 44 Phaser 6250 Color Laser Printer Service Manual Right Latch Door A PL 5 1 21 Remove the Fuser Assembly Routine Maintenance Item page 8 5 Remove the Front Right Cover page 8 15 Open Door A Release the hook on the lower part of the spring item 4 securing it to the Chute Assembly In BB Q N a o Release the tab securing Right Latch item 3 to the Chute Assembly In 6 Remove Right Latch from the Latch Shaft item 2 6250 173 Service Parts Disassembly 8 45 Left Latch PL 5 1 30 Remove the Fuser Assembly page 8 5 Remove the Front Left Cover page 8 16 Open Door A Release the tab securing Left Latch item 2 to the left side of the Chute Assembly In 5 Remove the Left Latch from the Latch Shaft A Q N 6250 174 8 46 Phaser 6250 Color Laser Printer Service Manual Chute Assembly Out Chute Assembly Out PL6 1 1 Ng 10 11 Remove the Imaging Unit Routine Maintenance Item page 8 4 and protect it from exposure to light Remove the Transfer Roller Routine Maintenance Item page 8 4 Remove the Fuser Assembly Routine Maintenance Item page 8 5 Remove all Covers and Tray 1 page 8 6 page 8 9 page 8 11 page 8 12 page 8 14 page 8 15 and page 8 16 Caution Support the Chute Assembly Out Door B while removing the strap to prevent damage to the printer Remove the strap page 8 67 Close the Chute Assembly O
301. stance all of the Fuser Failure troubleshooting procedures need to be completed until the error is resolved Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References EEPROM Board PL 10 1 16 Fuser Assembly on page 10 21 FSR 2 Harness Assembly PL 5 1 9 Laser Unit on page 10 22 Warning To avoid the potential of electric shock ensure the power to the printer is off and the power cord is disconnected from the wall outlet prior to performing Step 2 of the following troubleshooting procedure Troubleshooting Procedure Table Step Actions and Questions Yes No 1 Check the Fuser Assembly for evidence Replace the parts Go to Step 2 of fault or damage concerned 2 Remove the Fuser Assembly and check Replace the parts Go to Step 3 for broken or bent pins concerned 3 Does the error recur after the Fuser Go to Step 4 Complete Assembly has been replaced with a new one 4 Troubleshoot using the wiring diagram Go to Step 5 Replace the Fuser Assembly on page 10 21 Assembly Does the printer function correctly after Harness Fuser PL replacing any defective parts 13 1 5 Troubleshoot using the wiring Replace the Replace diagrams Laser Unit on page 10 22 and Engine Control EEPROM Fuser Assembly on page 10 21 for the Board page 8 107 Harness EEPROM Harness Assembly PL 13 1 10 3 72 Phaser 6250 Color Laser Printer Servic
302. station or host rasterizes the data and passes it on to the Engine Control Board The microprocessors on the Image Processor Board generate the control signals used by the Engine Control Board The system NVRAM chip is also located on this board and stores several printer parameters 3 Motor Driver Board Controls motors through the signals received from the Engine Control Board and sends information from the sensors and switches to the Engine Control Board Power from the low voltage power supply is supplied to the Engine Control Board through the Motor Driver Board The interlock switch is mounted on the Motor Driver Board Theory of Operation 2 41 Major Functions m Receives information from the sensors and switches Controls the motor in the Main Drive Assembly Developer Drive Assembly Fuser Drive Assembly Duplex Motor Assembly and the Holder Toner Cartridge Motor Assembly m Distributes the low voltage DC power from the Low Voltage Power Supply m Controls the 24 VDC circuit through the interlock switch 4 Rear Fan Removes heat from the printer to prevent over heating 5 Low Voltage Power Supply Board Supplies AC power from the power source to the Fuser Assembly heater Generates and supplies stable low voltage DC power 3 3 VDC 5 VDC and 24 VDC to be used for the logic and other circuits within the printer 6 AC Switch Harness Assembly Consists of the main switch and harness Controls the supply of AC power fro
303. store functions is available in Service Diagnostic Tests on page 3 9 6250 023 1 Hard Drive available option 3 NVRAM 2 Configuration Chip 4 Memory RAM DIMM 1 and DIMM 2 available option 1 8 Phaser 6250 Color Laser Printer Service Manual Routine Maintenance Items A printer part or assembly that has a limited life and requires periodic replacement 6250 020 1 Transfer Roller 3 Fuser Assembly 2 Imaging Unit Consumables Consumables consist of the four toner cartridges used in the printer 6250 495 General Information 1 9 Consumable Life Counter Behavior Internal counters track Consumables and Routine Maintenance Items life usage and store the values in NVRAM The image processor board monitors these counters in order to display the near end of life and end of use messages Life ratings are based on A size sheets at 5 coverage Imaging Unit life ratings are based on average 4 page job length Consumables Print Life Toner Cartridges High Capacity 8 000 Standard Capacity 4 000 Routine Maintenance Items Imaging Unit 30 000 Fuser Assembly 100 000 Transfer Roller and Waste Box 15 000
304. stration Chute Assembly See Jam at Complete page 8 71 Registration Does the problem persist Roller page 3 28 4 Check for paper jammed in the Registration Go to Step 5 Go to Step 8 Chute Assembly Does the leading edge extend up to the Fuser entrance 5 Turn the printer s power switch Off and allow Repalce the Go to Step 6 the Fuser to cool completely Fuser or clean if Remove the Fuser page 8 5 and check for necessary damage wear or debris Is the Fuser damaged or contain debris 6 Reinstall the Fuser making sure both the left See Jam at Complete and right amber gold Fuser Locks are in the Registration forward slide towards the rear of the printer Roller locked position page 3 28 Turn the power switch On Does the problem persist 7 Listen for a Fuser stall which is a Go to Step 8 Go to Step 11 momentary abnormal squealing noise immediately followed by a Jam at Registration message This usually occurs when the printer is exiting Power Saver mode and the Fuser is cold Does a Fuser stall condition exist Error Messages and Codes 3 25 Troubleshooting Procedure Table Continued Steps Action and Questions Yes No 8 Check for a previous installation of the Fuser Go to Step 9 Go to Step 10 Motor Stall FMS snippet using 6250FMSCheck psx Download this snippet from the Partner or Customer Support web site NOTE The printer must be at the Ready state to receive the sni
305. structions is neither dangerous for the consumer nor for the environment A signed copy of the Declaration of Conformity for this product can be obtained from Xerox xii Phaser 6250 Color Printer Contents Service TErMS nenna neeaaea eere iv Symbols Marked on the Product a v Power Safety Precautions a vi Electrostatic Discharge ESD Precautions a vii Service Safety Summary 0 eee eee eee ees viii Regulatory Specifications 20 ccc cece ee eee ees X 1 General Information Printer Introduction and OvervieW 0 00 cece eee eee 1 2 Printer Configurations 0 0 0 0 0 cece ccc cece eee eens 1 2 Printer Memory and RAM Capabilities 1 4 Parts of the Printer 2 0 ccc aetan EEn AAAA ERA ERA 1 5 PIETON cider aa ba pala eed an pA dada plead Made 1 5 Phaser 6250 Front Panel Configuration 0 0 eee 1 6 Rear VIEW go tiv tte teehee hia ea aaa heads 1 7 Image Processor Board 1 1 ccc eens 1 8 Routine Maintenance Items 1 9 Consumables 0 cece eect eee tenes 1 9 Consumable Life Counter Behavior 000 1 10 Printer Specifications 0 0 0 cc cece cc cee eee eee eens 1 11 Physical Dimensions and Clearances 1 11 Functional Specifications 0 ccc cee eee eee 1 12 Electrical Specifications 0 ccc cee eee eee 1 13 Environmental Specifications 0 0 0
306. t DRV Motor Driver Board RMI Routine Maintenance Item ESD Electrostatic Discharge ROS Laser Scanning Unit IDT Intermediate Transfer Unit RTC Charge Roller Note A note indicates an operating or maintenance procedure practice or condition that is neccessary to efficiently accomplish a task A note can provide additional information related to a specific subject or add a comment on the results achieved through a previous action Caution A caution indicates an operating or maintenance procedure practice or condition that if not strictly observed results in damage to or destruction of equipment Warning A warning indicates an operating or maintenance procedure practice or condition that if not strictly observed results in injury or loss of life Product Terms Caution A personal injury hazard exists that may not be apparent For example a panel may cover the hazardous area Danger A personal injury hazard exists in the area where you see the sign iv Phaser 6250 Color Printer Symbols Marked on the Product DANGER high voltage Protective ground earth symbol Hot surface on or in the printer Use caution to avoid personal injury The surface is hot while the printer is running After turning off the power wait 30 minutes Avoid pinching fingers in the printer Use caution to avoid personal injury Use caution or draws attention to a particular component Refer to the manual s for information
307. t gt P J47 23 Circuit Board P J81 12 lt gt P J47 23 Lower Feeder P J81 13 lt gt P J47 23 page 8 116 or Or Tray 4 voltages on pins page 8 135 P J81 8 lt gt P J47 23 P J81 9 lt gt P J47 23 P J81 10 lt gt P J47 23 of the Lower Feeder Circuit Board PL 14 5 1 or PL 15 5 1 correspond to the paper size switch position chart below 5 Check the OPT Feeder Plug PL 14 5 2 or Replace Engine Replace the PL 15 5 2 Harness Assy Tray 3 PL 14 5 3 Control Board affected or PL 15 5 3 and Harness Assy Tray 4PL page 8 107 Harness Assy 14 5 6 for continuity Paper Size Switches are indicated as SW1 SW2 and SW3 Paper Size Switch Paper Size sw SW2 sw3 LEGAL 14 ON ON ON LEGAL 13 ON ON OFF EXECUTIVE ON OFF ON B5 ON OFF OFF A4 OFF ON ON A5 Provided for reference only Supported by Tray 1 OFF ON OFF MPT only A OFF OFF ON No Tray OFF OFF OFF 3 58 Phaser 6250 Color Laser Printer Service Manual Tray 2 Paper is Low Remove Tray 2 and ensure that it is at least half full of paper Inspect the tray for obstructions or defects Reinstall the tray Cycle printer power If the problem persists follow the procedure below Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Low Paper Sensor PL 3 3 4 Paper Tray 2 on page 10 17 Low Paper Lever PL 3 2 7 Tro
308. t list and page references are provided for both units Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Paper Size Switch Assembly PL 14 3 6 or PL 15 3 6 Paper Tray 3 on page 10 29 or page 10 33 Paper Tray 4 on page 10 30 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the following for evidence of fault or damage Paper Size Switch Tray 3 4 PL 14 3 6 or PL 15 3 6 Actuators on the right side of the Tray Replace the parts concerned Go to Step 2 Use service diagnostics to test the Tray 3 4 Paper Size Switches Use the table below for reference Do the switches function correctly Replace Engine Control Board page 8 107 Go to Step 3 Verify the pertinent Tray 3 voltages on pins P J82 1 lt gt P J47 3 P J82 2 lt gt P J47 3 P J82 4 lt gt P J47 3 Or Tray 4 voltages on pins P J83 1 lt gt P J47 3 P J83 2 lt gt P J47 3 P J83 4 lt gt P J47 3 of the Lower Feeder Circuit Board PL 14 5 1 or PL 15 5 1 correspond to the paper size switch position chart below Go to Step 4 Replace the Paper Size Switch page 8 128 or page 8 146 Error Messages and Codes 3 57 Troubleshooting Procedure Table Steps Actions and Questions Yes No 4 Verify the pertinent Tray 3 voltages on pins Replace the P J81 11 l
309. t up and pull out from the printer 6250 130 Note The base must be re installed at a 90 degree angle to align the tabs properly 5 With the base at a 90 degree angle with the printer and the lift plate pushed down in the center ensure the tabs are on the outside push down and then pull forward to re install 8 14 Phaser 6250 Color Laser Printer Service Manual Front Right Cover PL 1 1 25 1 Remove Right and Left Side Covers see page 8 11 2 Remove the right side Link Spring item 3 3 Open Door A 4 Remove the link retaining stud and rotate the link out of the way Then reinsert the stud 5 Remove the 2 screws securing the Front Right Cover item 1 SS NG SS ty H SRE TG 6250 129 6 Remove the Front Right Cover Service Parts Disassembly 8 15 Front Left Cover Assembly PL1 1 29 Remove Tray 1 page 8 14 Remove the Front Cover page 8 6 Remove the Front Right Cover page 8 15 Remove the left Link Spring item 2 Open Door A Remove the left Link Retaining Stud item 2 move the Link item 3 out of the way and reinstall the Stud Close Door A Open Door B oa Bb WN oN 9 Remove the 2 screws securing the Front Left Cover item 1 to the Chute Assembly Out 6250 132 8 16 Phaser 6250 Color Laser Printer Service Manual 10 Release the 2 tabs securing the Front Left Cover to the Chute Assembly Out and remove the
310. tact sensor in the middle of the roller is checked for 60ms and the Temperature Sensor at the edge of the roller is checked for 20ms to maintain an even temperature across the roller If the results of the 80ms cycle show the temperature is higher than the target the heater lamp is turned off If the detection result is low the heater lamp is turned on For the target temperature different temperatures are set for standby printing and process control The target temperature is also changed according to the inside temperature detected with the temperature humidity sensor print count print mode input power supply voltage and paper type Cool Down During printing the temperature distribution of the heat roller becomes uneven between paper and non paper To make the heat roller temperature as even as possible a wait time is provided and the heater lamp is kept off This is called the cool down A cool down is executed according to the number of sheets continuously printed when a set printing with a certain type and size of print media is completed and when the print media type or size is changed The cool down which results in a pause occurs evenly in the middle of several hundred sheets of continuous printing Theory of Operation 2 13 Paper Path of the Printer gt Laser beam P Paper path A Paper sensors EXIT ROLL MID ROLL FUSER ASSY x DUPLEX ROLLER ae TRANSFER ROLLER METAL ROLL REGISTRATION ROL
311. tective package until you are ready to install it Immediately before removing the protective material from the leads of a replacement device touch the protective material to the chassis or circuit assembly into which the device will be installed Minimize body motions when handling unpackaged replacement devices Motion such as your clothes brushing together or lifting a foot from a carpeted floor can generate enough static electricity to damage an electro statically sensitive device Handle IC s and EPROM s carefully to avoid bending pins Pay attention to the direction of parts when mounting or inserting them on Printed Circuit Boards PCB s Service Manual vil Service Safety Summary General Guidelines For qualified service personnel only Refer also to the preceding Power Safety Precautions Avoid servicing alone Do not perform internal service or adjustment of this product unless another person capable of rendering first aid or resuscitation is present Use care when servicing with power Dangerous voltages may exist at several points in this product To avoid personal injury do not touch exposed connections and components while power is on Disconnect power before removing the power supply shield or replacing components Do not wear jewelry Remove jewelry prior to servicing Rings necklaces and other metallic objects could come into contact with dangerous voltages and currents Power source This product is intende
312. the parts per printer not the number of parts supplied in the actual part order 4 Name Description Details the name of the part to be ordered and the number of parts supplied per order 5 Parts identified throughout this manual are referenced PL For example PL3 1 10 means the part is item 10 of Parts List 3 1 6 A black triangle preceding a number followed by a parenthetical statement in an illustrated parts list means the item is a parent assembly made up of the individual parts called out in parentheses 7 The notation with X Y following a part name indicates an assembly that is made up of components X through Y For example 1 with 2 4 means part 1 consists of part 2 part 3 and part 4 8 Two asterisks following a part name indicates the page contains a note about this part 9 The notation NS next to a part indicates that pariticular part is not spared but contained in a kit or major assembly 10 The notation JIx5J2 and P2 is attached to a wire harness It indicates that connector Jack 1 is attached to one end of the wire harness and connector J2 is attached to the other end that is plugged into P2 Note Only parts showing part numbers are available for support Parts not showing part numbers are available on the parent assembly Legend Identifier Meaning C C ring E E ring KL K clip S Screw Parts List 9 3 Print Engine Parts PL 1 1 Covers a we W
313. the subsequent 8 prints If the excess amount cannot be subtracted in 8 print cycles it is subtracted in the ninth and subsequent prints Total dispense counts 4 5 3 4 2 2 3 4 3 2 Even allotment in first 8 prints sr Correction amount by ADC 16 6 606 66 6 6 66 OO OO Dispense counts by PCDC A n A A Correction amount by ADC 8 O C O O O D CS Total dispense counts 1 2 0 1 0 0 0 0 2 2 6250 067 High Area Coverage Mode Continuous printing of an image with density exceeding the toner dispense capability causes the toner density in the developer to be lowered below the target toner density The high area coverage mode delays feeding of the next page and dispenses toner during this time so that the toner density time reaches the specified value during continuous printing Admix Mode If the high area coverage mode can not deal with the reduction of toner density in the developer or if the machine is moved to an environment with a different humidity level the reference value for the toner density will change This causes a large discrepancy between the measured values from the CTD sensor and the referenced value for the toner density Admix mode dispenses the toner immediately to prevent low toner density If the patch density result measured by the CTD Sensor is lower than the reference value from the toner density control then the admix mode is initiated LED Li
314. tration REGI Metal and Registration Rolls y Paper transfer by the Imaging Unit IDT2 and Transfer Roller y Paper transfer by the Fuser Assembly Heat Roll and Fuser Belt v Paper transfer by the Fuser Assembly Exit Roll and Pinch Roll Yy Paper transfer by the Chute Assembly Exit and Chute Assembly Out v Theory of Operation Print output Paper transfer to duplex path by reversing Exit Roll and Mid Roll v Paper transfer by Duplex Rollers to Print Output 6250 493 2 15 Major Assemblies and Functions The following section details all major components of the printer and their relative functions Frame and Drive Assemblies 6250 064 1 Developer Drive Assembly Supplies the drive to the Imaging Unit Developer 2 Main Drive Assembly Supplies the drive to the following parts Paper Feeder Retard Housing Assembly Chute Assembly Out MPT position Chute Assembly Registration Imaging Unit IDT 1 IDT 2 Drum Transfer Roller 2 16 Phaser 6250 Color Laser Printer Service Manual Main Drive Assembly Transmission Route MAIN DRIVE ASSY y GEAR IDLER IN Vv ee YE Regi Clutch saa BA CLUTCH ASSY TURN GEAR IDLLER Regi Roll CHUTE REGI ROLL ASSY TURN GEAR IDLLER FEED v GEAR FEED H1 y GEAR FEED1 v ROLL ASSY FEED
315. ubleshooting Procedures Table Steps Actions and Questions Yes No 1 Fill the tray with paper Go to Step 2 Complete Does the error occur if the tray is full 2 Check the following for evidence of fault or Replace the parts Go to Step 3 damage concerned Low Paper Sensor PL 3 3 4 Low Paper Lever PL 3 2 7 3 Use service diagnostics to test the Replace the Go to Step 4 Tray 2 Low Paper Sensor Engine Control Do the sensor and actuator function Board properly page 8 107 4 Verify the voltage between pins Go to Step 6 Go to Step 5 P J 47 10 lt gt P J 47 9 on the Motor Driver Board is 3 3 VDC 5 Verify the voltage between pins Replace the Motor Replace the P J 42 20 lt gt P J 42 15 on the Motor Driver Board Engine Control Driver Board is 3 3 VDC page 8 101 Board page 8 107 6 Verify the voltage between pins Replace the Replace the P J 47 8 lt gt P J 47 9 on the Motor Driver Sensor No Paper Motor Driver Board is 3 3 VDC page 8 30 Board page 8 101 Error Messages and Codes 3 59 Tray 3 4 Paper is Low Note Remove Tray 3 4 and ensure that it is at least half full of paper Inspect the tray for obstructions or defects Reinstall the tray Cycle printer power If the problem persists follow the procedure below Paper Tray 3 can refer to either the High Capacity Feeder HCF or 500 sheet Feeder Part list and page references are provided for both units
316. uine Xerox product 207 Cyan Toner Cartridge Empty 208 Magenta Toner Cartridge Empty 209 Yellow Toner Cartridge Empty 210 Replace Cyan Toner Cartridge t 211 Replace Magenta Toner Cartridge 212 Replace Yellow Toner Cartridge 213 Replace Black Toner Cartridge A 4 Phaser 6250 Color Laser Printer Service Manual Index Numerics 600 x 600 Service Test Print 5 8 A AC Power Supply Troubleshooting 4 13 AC Switch Harness Assembly 8 98 Actuator I L 8 96 Adjustments 6 3 Background Contamination 5 20 Bias Housing Assembly 8 69 Black Prints with White Margin Border 5 14 Blank Prints 5 13 C 3 54 Calibrations 6 2 Card Cage 8 103 Casters Locking Non Locking 8 129 Chute Assembly Exit 8 62 9 22 Chute Assembly In 8 41 9 16 Chute Assembly Out 9 18 Chute Assembly Out Duplex 8 47 Chute Assembly Registration 8 71 Chute Assembly Registration REGI 2 32 Chute Assembly Exit 2 30 Chute Assembly In 2 28 Chute Assembly Out Duplex 2 29 Circuit Board HCF 8 116 Circuit Board STF 8 135 Cleaning 7 2 cleaning the printer 7 2 Close Front Door 3 41 Service Manual CMYK Sample Page 5 4 Color Calibration 6 2 Color Registration 6 3 Color Registration Control 2 9 Consumable Life Counter Behavior 1 10 Consumables 1 9 Controller to Engine Communications Failure 3 79 Cover Front 8 130 Cover Right and Cover Left STF 8 131 Covers 9 4 CRUM ID Toner Error 3 81 CRUM R
317. urrent network settings or print a configuration page to provide a record of the customer s current network settings before resetting the connection setup to the factory default values 1 From the Main Menu highlight Printer Setup and press OK 2 Highlight Connection Setup and press OK 3 Highlight Reset Connection Setup and press OK to reset connection defaults Resetting Paper Handling Defaults Resetting the Paper Handling defaults resets the paper source 2 sided printing tray setup load paper timeout tray sequence custom units and jam recovery settings to their default values 1 From the Main Menu highlight Printer Setup and press OK 2 Highlight Paper Handling Setup and press OK 3 Highlight Reset Paper Handling Setup and press OK 4 Highlight Reset Paper Handling Setup NOW and press OK to reset the paper handling defaults Adjustments and Calibrations 6 5 Resetting Postscript Setup Defaults Resetting the Postscript setup values resets Postscript Error Information Print Quality Mode TekColor Correction and Image Smoothing to their default values 1 From the Main Menu highlight Printer Setup and press OK 2 Highlight Postscript Setup and press OK 3 Highlight Reset Postscript Setup and press OK 4 Highlight Reset Postscript Setup NOW and press OK to reset the postscript defaults Resetting PCL Setup Values to Default Resetting the PCL setup values resets the default font pitch size symbo
318. ut Door B and the Chute Assembly In Door A while disconnecting wiring harnesses to avoid damaging the printer Disconnect all connectors going to the front of the left side connector block Disconnect the lower grey connector P J145 from the EEPROM board Disconnect the two red wired spade lug connectors P J5020 and P J5030 from the Sub HVPS board Remove 1 screw securing the ground wire to the left side of the printer Free the harness from the wire guides at the bottom of the Housing Assembly Service Parts Disassembly 6 47 12 On the right side of the printer disconnect P J50 and P J52 from the Motor Driver Board CHUTE ASSY OUT LEFT SIDE VIEW CHUTE ASSY OUT MOTOR DRIVER BOARD a RIGHT SIDE VIEW 6250 175 13 Free the wiring harness on the right side from the wire guides on the right side of the printer housing 8 48 Phaser 6250 Color Laser Printer Service Manual 14 Remove the e rings item 1 from the right and left Shaft Pivots securing the bottom of the Chute Assembly Out to the printer 6250 176 15
319. verage multi meter 8 When a troubleshooting procedure instructs you to replace a non spared component and that component is part of a parent assembly you should replace the entire parent assembly 9 Ensure that you are using a supported media size and type refer to Media and Tray Specifications on page 1 14 Voltage Measurements 1 Power and signal grounds are connected to the frame ground All circuit troubleshooting can be performed using the metal frame chassis as the grounding point To locate connectors or test points refer to the section Plug Jack Locator Maps on page 10 2 or Wiring Diagrams on page page 10 12 for more information Unless otherwise specified the following voltage tolerances are used within this section Stated Measured 3 3 VDC 3 135 to 3 465 VDC 5 0 VDC 4 75 to 5 25 VDC 24 0 VDC 21 6 to 26 4 VDC 0 0 VDC Less than 0 5 VDC Error Messages and Codes 3 5 Service Diagnostics The Phaser 6250 Color Laser Printer has built in diagnostics to aid in troubleshooting problems with the printer The Service Diagnostics Menu provides a means to test sensors motors switches clutches fans and solenoids Diagnostics also contain built in test prints cleaning procedures printer status and some NVRAM access Service diagnostics are executed through the front panel by a certified service technician only Service Diagnostics can be entered one of two ways Entering without rebo
320. verview of the path a service technician should take when servicing the printer and printer optional equipment Step 1 Identify the Problem 1 O O oer Fa So O Verify the reported problem does exist Verify failure symptoms behavior noises with cusotmer end user Check for any error codes and write them down Print normal customer prints and service test prints Make note of any print quality problems in the test prints Make note of any mechanical or electrical abnormalities present Make note of any unusual noise or smell coming from the printer Print a Printer Status Page if the printer is able to print View the fault history under the Service Tools Menu Verify the AC input power supply is within proper specifications by measuring the voltage at the electric outlet while the printer is running Step 2 Inspect and Clean the Printer mpa kO a 6 7 8 Switch OFF printer power Disconnect the AC power cord from the wall outlet Verify the power cord is free from damage and is connected properly Remove the Imaging Unit and protect it from light Inspect the printer interior and remove any foreign matter such as paper clips staples pieces of paper dust or loose toner m Do not use solvents or chemical cleaners to clean the printer interior Do not use any type of oil or lubricant on printer parts m Use only an approved toner vacuum Clean all rubber rollers with a lint free cloth dampened sli
321. y Using heat and pressure the fuser assembly fixes the transferred toner onto print media Parts of the Fuser Assembly m Heat Roll m Heat Lamp m Thermostat m Temperature Sensor m Belt Unit m Exit Roll Assembly m Exit Sensor m CRUM 2 Exit Sensor Detects passage of the print media after fusing 3 Fuser Fan Cools the fuser assembly to prevent overheating 4 Transfer Roller Consists of the transfer roller and a waste toner recovery system The transfer roller transfers the image from IDT2 in the imaging unit onto the print media Theory of Operation 2 33 Fuser Drive Assembly Transmission Route FUSER DRIVE ASSY Heat Roll Gear Exit Exit Roll Assy FUSER ASSY 6250 049 2 34 Phaser 6250 Color Laser Printer Service Manual Xerographics l p Theory of Operation 6250 062 Imaging Unit The Imaging Unit carries out the operations of the printing process such as charging developing and primary transfer The Imaging Unit consists of the following parts Developer YMC K m Drum YMCK H m Charge Roller YM CK m Refresher YMCK m IDT1 2 m IDT2 m IDT1 Cleaner 2 m IDT2 Cleaner Laser Unit The Laser Unit receives image data and generates laser beams to form an electrostatic latent image on the surface of each of the four imaging unit drums The Laser Unit Assembly consists of the following parts LD Assembly Scanner Assembly SOS Board Lens Mirror
322. y smooth color shades When using photo paper or OHP gloss is raised by setting the process speed to one third Printer Controls Paper Size Control The paper size selection is controlled by three paper size switches located in each paper tray slot The switch condition is set by moving the paper guide in the tray This in turn sets the plastic fingers on the side of the paper tray to a specific postion that activates the correct switch combination for the selected paper size Paper Size Switches are indicated as SW1 SW2 and SW3 Paper Size Switch Paper Size Swi sw2 sw3 LEGAL 14 ON ON ON US FOLIO LEGAL 13 ON ON OFF EXECUTIVE ON OFF ON B5 ON OFF OFF A4 OFF ON ON A5 for reference only supported in Tray 1 MPT OFF ON OFF only LETTER OFF OFF ON No Tray OFF OFF OFF Theory of Operation 2 3 Selective Control Paper Pick Unless changed in printer setup the default tray is Tray 2 Trays in the optional High Capacity Feeder are identified as Tray 3 and Tray 4 The tray in the optional 500 sheet Feeder is identified as Tray 3 Laser Light Intensity Control The Laser Unit in the Phaser 6250 printer has four laser diodes one each for yellow magenta cyan and black The diodes control circuits adjust the light intensity for each color automatically Image data is transmitted to the laser diodes in the Laser Unit as digital signals The laser diodes convert the image dat

Phaser 6250 Color Laser Printer Service Manual

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