Home

SERVICE MANUAL - LéRIEN.SOUND.SYSTEM

Contents

1. Door Switch MBCG46323 VIVLENZSHG aan ora M5M334050 Monona irr vov vov y osci E gt 1002 ECN2 LFU Lower Feed Unit Sensor TPD TTR Sensor TTR Erase Lamp OHP Sensor OHP Paper PSU Size Sensor EN Drum PEU Paper PTI Paper GA Developer 19 Toner Detecting Toner Detecting Encoder Sensor Empty Sensor Feeding Sensor To Rear Interlock Switch To Top Interlock Switch Developer Motor Dram Cleaner Main Solenoid G K Motor Developer Develop
2. Registration Clutch Ozone Fan Q 19 PCLU Feed Clutch 1 3 4 6 7 9 10 11 12 13 GHP PSL PSL TBFL 74 2 MC KY Waste Home Developer Developer Toner Position Position Solenoid Solenoid Sensor Sensor 1 Sensor2 KY 1 DCN2 IOD1 PCB Power Supply Unit 22 pins SOND pev opam 2 DCN14 IOD1 PCB High Voltage Unit 18 pins PWMMON N ewon S GBvPWM N 10 THVRON N DBWKY PWM N 3 DCNS For Factory Use Only 4 pins 4 IOD1 Interlock Switch REARDOPEN P 65 b DCN1 MCTL PCB IOD1 PCB 50 pins O n 15 17 19 2 23 25 27 29 DBV MG PWM N s DBVIKYPWM N 35 37 a 6 DCN9 1001 PCB 1002 14 pins FBCLON 7 DON5 IOD1 Upper Paper Empty Sensor IOD1 Paper Feeding Sensor IOD1 Drum Encoder Sensor spei ofm IV 66 efso ofso 8 6 IOD1 Upper Paper Size Sensor IOD1 OHP Sensor 9 DON7 IOD1 PCB Toner Empty Sensor Y M C k ofsa 10 DCN13 IOD1 PCB Controller Fan CTFANON P 11 DCN8 IOD1 Lower Feeder Unit 12 DCN10 IOD
3. VII 17 che TOFINO asa RT TITRE VII 26 2 2 Pap VII 33 a oTi erts PHISI S ooo d cob ea ei aa dew vic ditur VII 38 tus Prine lass VII 40 N GL RATE TTD OTT VII 44 CHAPTER VIII TROUBLESHOOTING 1 1 OUTLINE OF TROUBLESHOOTING VIII 2 2 OPERATOR DLL uu nitida tha o d Dd oa Rd Es a Brod CLUB e Cc Oo verre VIII 3 2 1 Video GonlrolleP 8 VIII 3 Controla NOUS i lia quce dtc VIII 6 JS FAPERM TRANSPORT ERROR VIII 8 da n EHE RAI m VIII 8 ae T tse Vei VIII 9 EDER VIII 9 VIII 9 A SERVICE One ae eee aine VIII 10 4 1 Vid o ET VIII 11 de nne ebria ees VIII 13 S IMBUEFALUME A VIII 41 liac H4 A 1 REGULATIONS LASER SAFETY FOR 110 120 V MODEL ONLY This printer is certified as a Class laser product under the U S Department of Health and Human Services DHHS Radiation Performance Standard according to the Radiation Control for Health and Safety Act
4. prete nr VI 22 2 4 Paper Discharger Unit FARAR Sa EAA VI 24 A VI 26 os i ETC E PR ae P Dt air EUER La EE E ELK 28 2 7 Paper Feed Roller and Separator Pad VI 29 28 Pransier Drum PISpIabelTIBEIa esccia iio oe243 9090222149 904243 0900231 6901229 VERDE VI 30 CHAPTER VII DISASSEMBLY eene VII 1 1 BEFORE STARTING VII 1 TIT IR TRIN III IIR TS VII 1 or aiat deer eroi Deui ebd e na adea del VII 1 2 PARTS NAME A tsp M EU LIC p DE ME M pA VII 3 Fn VON VII 3 2e Grout Bords iUe VII 4 HOT DTP TT VII 4 2 CNiCches uasa edu di bna Cede i rdi ated utei ied i VII 5 eB aaa VII 6 S DISASSEMBLY FLOW e aded dod ep VII 7 amp DISASSEMBLY PROGEDURE VII 8 ROn oae o Re FINO etn eu rea cep oie e rbd epa ve d rod VII 8 Te
5. Fusing Unit C PE 2 Laser Control Transfer Unit Paper Discharger AC Discharger Unit 55 TESI Pog Second Transfer First Transfer Registrater Roller Paper Pick up Roller Q DC Charger Erase Lamp Paper Feed Media Cassette Fig 4 1 Control System The control system consists of the following 4 four control parts and runs the printer by processing the interface signals transmitted from the Host computer and interfacing to the print transfer scanning and transport systems e Sequence Control e Laser Control e Fusing Temperature Control e Interface Control lt Basic Mechanism of Color Printing gt 1 2 Principle of Color Printing Color printing is made through the subtractive process by combining the three primary colors yellow magenta and cyan Fig 4 2 shows the three primary colors and subtractive process Y Yellow M Magenta C Cyan R Red GR Green BL Blue BK Black Fig 4 2 Basic Color Printing Process a The printer has a Toner Cartridge of each color yellow magenta cyan and black as shown in Fig 4 3 b The toner image developed using the primary colors is transferred to the transfer drum for the printed color combination as shown in Fig 4 4 c The toner image formed on the transfer drum is transferred to the transported paper as shown in Fig 4 4 b d The ton
6. S Ozone fan duct Main Gear Unit Fig 7 18 Note The black plastic cap covers the thread of the screw marked Be sure not to lose the cap when removing the screw 4 1 14 Transfer Solenoid TRSOL 1 Remove the set screws ST3X6 2 pcs from the transfer solenoid 2 Open the rear access cover 3 Remove the transfer solenoid Rear Access Cover Fig 7 19 Note The black plastic cap covers the thread of the screw marked Be sure not to lose the cap when removing the screw VII 14 4 1 15 Ozone Fan OZFAN 1 Remove the lower set screw ST3X6 1 pc from the fan case assembly Fig 7 20 2 Remove the fan case assembly 3 Remove the ozone fan from the fan case Fig 7 21 Ozone Fan Fan case Fig 7 20 Fig 7 21 4 1 16 Toner Sensor Assembly TPD 1 Remove the set screws ST3X6 3 pcs from the toner sensor PCB 2 Disconnect the connector to the toner sensor PCB Note If the optional lower tray unit is fitted remove the left hand screw of the front cross rail to release the media cassette guide i Toner Sensor TPD e Fig 7 22 VII 15 PR99077 4 1 17 Waste Toner Sensor WTS k Lift up the bottle holder Remove the screws 2 pcs from the bottle holder and waste toner sensor assembly Disconnect the connector from the waste toner sensor Remove the sensor assembly with the bottle holder
7. 1L 47 04D 10 5 Be cp ops 5 Ht 59 1 39 1 0 72 T 11 A1 B1 1 835 Be E T Hi 36 YN 837 M B4 8 Hi 38 B5 u 46 AG B6 27 6 48 B7 LWW Hi ee 47 4 567 1 58 1 559 Hi 70 71 mu pm ved T cse 104 i9 dog Li o 2 474 MAOS H s01 2 1G 03 024 lt 02 gt 8E 09 lt 03 gt x 08 gt 09 04 08E 09 lt 05 gt 08 9 UK391305 B48K299CIR 5 7 Appendix 6 Main PCB Circuit Diagram 6 7 1 2 3 18 7416245 BVo _1 22 02 060 gt HBUSY HBUSY nAutoFd 12 02 060 EM SELIN nSe lect In 02 060 INITN IPRIME tnInit 1 MIO ABg 02 060 STBN STB InStrobe 8 2 17 MIO ADROA pol 18 1 Age ADROS gal 16 03 41 14 MIO 04 2 6E BUSY BUSY Busy ADROG B 0226 ps 13 2 06 SLCT SLCT Se lect MIO AON PE 1 2 6E ACK 2 6E gt FLTN ADROS FLT nFau It Jo Jy o 8 19 Per ipharal Logic High Bl TALS245 P 9 g GND Logic 5Vo 1 T R vec 20
8. VII 13 DATS Main Goar Unit e VII 14 ZIP master Solencid DSL EE EE ar Ep n pibe 14 Fa e VII 15 2 1 16 Toder Sensor Assembly T T PB VII 15 Waste laner sensor WIS aces oit seri eere lta ecd se seiner rec dos VII 16 nmt rcrcWb gs gre VII 16 Ae VII 17 m VII 17 22 Panel FCB nedingo LED e VII 18 ER RE Uo laid VII 18 phus Near IEEE TE VII 19 22 50 555 COVO VII 19 42 p ODI VII 20 Z2 Domo DEN VII 20 42 Interlock Switch Top Paper Exit Unit iiiter nti a Pete Hei ebrio eria VII 21 qo BERIBDIJSSIBE T VII 21 4 2 10 Waste Toner Feeder Unit Belt Sensor VII 22 42 11 DU d n poa igo a tons VII 22 VII 23 42 DimJar Sonso a o E ca Ye ax HO VII 24 4 14 Oil Sensor Ps VII 41 VII 42 CHAPTER VII DISASSEMBLY 1 BEFORE STARTING DISASSEMBLY 1 1 Precautions Follow the precautions described below during maintenance work
9. amp 1 1 Background Phenomenon Background is smeared due to toner spread as shown in print sample 1 of Fig 8 2 Main Causes 1 Too small toner mass and charging level in the developing process 2 Poor contact of the developer roller s bias pole 3 Life expired or failure of the OPC belt cartridge Countermeasures 1 Replace the toner cartridge See Section 3 2 of Chapter III 2 Confirm if the developer bias pole is deformed or not 3 Replace the OPC belt cartridge See Section 2 1 of Chapter VI Missing Image at Edge Phenomenon There is missing or peeling toner found in the image at the edge as shown in print sample 2 of Fig 8 2 Main Causes 1 Too small toner mass and charging level in the developing process 2 The OPC belt is deformed waving Countermeasures 1 Replace the toner cartridge with a new one 2 Replace the OPC belt cartridge with a new one VIII 43 Phenomenon Uneven optical density appears periodically in the horizontal direction on the printed image as shown in print sample 3 of Fig 8 2 Main Causes Failure of main motor 1 Irregular rotation of the drive motor 2 Failure of the gears 3 Variation of OPC belt running speed due to above reasons 4 Too much rotational load of the OPC belt Countermeasures 1 Replace the main motor with a new one See Section 4 1 8 of Chapter VII 2 Replace the OPC belt cartridge with a new one S
10. OHIO ten tn Dp EID o MI Cep eee tee nee ee 111 1 1 2 Basic Layout ot Printer Setup Locat sa 111 1 2 UNFACKIN 2 1 2 ceu 111 4 WORK Gossip qe odii ene E Qa bride 11 5 ST psrallthe Belt 11 5 3 2 Installthe Toner Carinae to 1 6 3 3 Installithe Oil Bottle and Fuser 7 d Test PUE copie tied red tero 11 8 a 11 8 3 4 2 On line Printing Video Controller Mode 11 10 CHAPTER INSTALLATION 1 1 1 2 CONDITIONS REQUIRED FOR INSTALLATION Any Laser beam printer is likely to be influenced by the environment of the set up location If the printer is set up in an inappropriate location the printer may not perform as expected Therefore the following factors should be taken into consideration before deciding where to set up the printer Environmental Conditions The printer should not be set up in the locations referred to in the following items a through d which specify inappropriate locations for set up a Where it is likely to receive direct sunlight o
11. 2 4 Power Supply Unit 1 Outputs and Use HP 120V 8A For USA For connection of the fuser heater HP HN 220V 5A For Europe For connection of the fuser heater HN 2 Layout of Connector Pin Assignment See Fig 4 40 on the following page 58 69 Layout of Connector Pin Assignment Power Supply Unit Fig 4 40 3 Connector Pin Assignment ACN1 Manufacture MoLex Type 53313 2215 Signal Name Interface 1 5V 1 5V 1 Output Signal Ground Senn 5V type ground 3 5V 1 5V 1 Output Signal Ground SONO 45V type ground AC Zero Cross Signal Open Collector Output Signal Ground EN 5 type ground 24V Output not through Door Switch Signal Ground 5 type ground 45V through the relay when Vor 24 1 is shutdown AC Forced Shut Down PORRE Signal Pull up required A Strength Test Strength Test 10 11 12 13 14 15 16 17 18 19 20 21 2 2 IV 60 ACN2 Manufacture MoLex Type 5277 02A Interface Signal Name 24V Output through DSU Door Switch 24V Output through Door Switch ACN3 Manufacture MoLex Type 5566 04A Signal Ground END 45V type ground
12. UD 11 5 3 OPO Belt OE 111 5 3 2 Install ihe Toner Cartridge to this 1 6 3 0 Iristall the Oil Bottle and Fuser GIBaner 7 EUR 8 CHAPTER IV STRUCTURE OF SYSTEM COMPONENTS IV 1 EPERE YER ERE PEREPEME YER FPE MEYER EYE EYE IV 1 el EC Y E IV 6 pees rectal cites SEIT oo La ia ica a ra f Ce veu i oaa rer LES IV 21 1 3 Paper Transportation 23 BE 5 25 2 5 RUCIURHE OF THE CONTROL SYSTEM IV 27 cM Fm IV 27 Bec ond STO sss Pind eg prada bond Uso ote IV 36 2 9 Mall PCB Video Controler PCE vs IV 46 EA Msi pel sia ep 58 25 High Voltage Power GUDDIV Uni aiv tI aai SPOT S IV 61 2 8 WB RA CAIN ulia S DEA oto ticis IV 64 CHAPTER V CONTROL PANEL OPERATION V 1 t PANEL LAT OU UD Mo eu dp V 1 2 VIDEO CONTROLLER
13. hea enews V 2 2 1 Configuration of Operational 2 2 40 204 0 0 nnne V 2 2 2 Toner Save Mode Power Save ase iia LE EBD aad 3 A V 4 26 DRAM TeSt NE a a EO T V 8 2 5 Program Version Display la fev to ideni V 9 ibd te paie Ph re blues V 10 NVRAM RESET nU V 10 S ENGINE CONTROLLER MEE V 11 3 L Gontigurabon or Operational MOS esr V 11 de V 13 V 19 V 39 CHAPTER VI PERIODIC MAINTENANCE VI 1 REC cis n VI 1 PFaCSUUOGITS ET rto Ve VI 1 reddi sore t reed eei prote 4 1 3 Periodic Maintenance Parts and Maintenance VI 15 2 PERIODIC MAINTENANCE PROCEDURES 2 25 2 5 artt rtt 18 2 1 OPC Cartndge Replacement VI 18 2 2 VI 20 2 9 Lransier Roller
14. OG Media Cassette Paper Pick up Roller Register Roller Transfer System Paper Discharger Unit Fusing Unit Paper Exit Unit Paper Exit Roller Case to accommodate paper to be fed automatically Roller to feed sheets of paper one by one preventing multi feed Roller to transport papers synchronized with the transfer drum Print processing part consisting of transfer drum and transfer roller to transfer the toner image onto the paper Corona generator to generate AC corona for separating paper from the transfer drum Mechanical part to fuse the toner image with heat rollers and fix it on the paper Mechanical part to exit the fused paper from the printer Roller to feed paper from the printer IV 23 0200 Media Cassette Paper Pick up Roller Register Roller Transfer Part Fig 4 25 IV 24 Paper Discharger Unit Fusing Unit Paper Exit Unit Paper Exit Roller Fusing Unit The fusing unit employs a thermal fusing system using heater lamps in the rollers Paper carrying the combined toner image passes between the heat rollers Heat and pressure is applied to the paper when passing between the heat rollers so that the toner image is melted and fused onto the paper 1 Structure The fusing unit consists of the following component parts Refer to Fig 4 26 Back up Roller is a pressure roller and incorporates a heater lamp Fuser Roller
15. between ECN16 3 and 2 8 Replace the clutch DCLM with a new one Does the voltage jump between 1 2 and ECN2 12 ies Replace IOD2 PCB with a new one NO Is D2 Error cleared XES Replace current MCTL PCB with a one Tno Is D2 Error cleared Re check from beginning of section YES MCTL 1002 Finished DCL MJON B zm Tu 3 DCL M ON N ECN2 24 1 5 PGND g SGND 12 8 HIHA D3 Name of Part Developer Clutch DCLC Check the Connector Is the connection between ECN14 of 1002 and Clutch DCLC Is the harness of Clutch DCLC broken Connect the connector properly YES Is D3 Error cleared XES 4 NO Check the voltage at DCLC ON N y Does the voltage drop 7 2 between ECN14 3 and ECN2 8 NO Replace the clutch DCLC with a new clutch Does the voltage jump between ECN1 3 and ECN2 12 Replace IOD2 PCB with a new one NO Is D3 Error cleared Finished 2 Replace current MCTL PCB with a new one Is D3 Error cleared Re check from beginning of section Finished 12CN DCL Y ON P 6L IIA Error Code D4 Name of Part Developer Clutch DCLK Check the Connector Y Is the connection between ECN13 of IOD2 and Clutch DCLK OK Is the harness of Clutch DCLK broken Connect the connect
16. ce oy oa wer f e wei RETIGND RETIGND RETIGND Rese 258 Reew 29A RETIGND 28 Reeve ma 8 Reew 2m nemo 298 ma 238 Reew on rem ner ws IV 45 2 3 Main PCB Video Controller PCB 2 3 1 Outline The Main PCB consists of the circuits which perform the following functions e Receive the printing data from the computer e Convert the received data to the bitmap data such as characters or graphics e Control the engine and send the generated bitmap data as a video signal The control panel is controlled by communicating with the engine CPU to display LCD messages light the LEDs and display the button status etc The power for the Main PCB is supplied from the engine through the engine interface connector Main PCB Block Diagram Main PCB Lr CPU MB86832 MASK ROM Flash ROM SPARC lite 32M mask x2 8MB 8 x2 2MB xebanks Address PCMCIA 2 lt as wong ASIC MA RAS CAS BOARD MB87F1610 SN75C1168 PCB Video lt HSync Command PrReq ENGINE ADM202 IReady KeyStatus CDCC lt 45V GND EEPROM 24 04 Fig 4 37 IV 46 2 3 2 Circuit 1 CPU block e Model name e Clock speed e Cache memory
17. eere 1 1 LURE 1 1 PARIS NAMES FUNG 1 4 1 6 4 DESCRIPTION OF CONTROL PANEL 7 Mode eq Sex S punc 1 7 4 Engine Controller MOGE S P 7 CHAPTER II 65 11 1 Nip cm 11 1 2 GENERAL SPECIFICA TON Il 2 2 mdi Tm Il 2 AE E E boost dd Il 3 nn a EH EHI MS Il 3 Paper SDOOIOBHOF i aaa a ng a a Il 4 S ENVIRONMENTALGONDITON S aa deuda uiia 11 8 3 1 Ambient Temperature Humidity Il 8 CHAPTER INSTALLATION rene sar ratur rana n nna eaae 111 1 1 CONDITIONS REQUIRED FOR INSTALLATION 1 111 1 1 2 Basic Layout or Printer Setup Locatii 11 1 TOUR RENN 11 2 2 1 Jnpsci pr PESE us bari iO n OE EF Rise te PPM epis 2 go Unpack Ihe SII II acce o Ret dr 111 4 CE p io
18. 26 DATA26 55 14 1E DATA27 DATA27 556 2l 17 DATA28 2 x EB DATA28 DATA30 3I 16 DATA29 DATA29 X G0 29 DATA3 1 Al 15 co DATA3O 5Vo B DATA31 DATA31 X 54 vo lt 02 gt SCASNO 06 1540 06 SCASNO 04 RA42 47 4 03 06 1L 43 06 SCASNI 8 AKA 8 lt 4 gt SCASN2 0 SCASN2 _ _15 41 x 06 SCASN2 2 17 05 SCASN3 6E SCASN3 15 42 06 gt SCASN3 ue 16 04C SRASN2 04 SRASN4 1 44 04F SRASNG 41 1 CASN3 4 2 040 SRASN3 04 SRASNS Q4F SRASN7 L gt 413 AAA SRASNe 9F 12 AA 7 9F 04 SWEN3 1 AA SHEN3 07F R35 47 R33 47 5 21 R31 47 R29 47 TAF245 2l 17 DATA18 3l 3 DATAIS 4I 15 DATAQ4 4g DATAQS 21 17 DATA2 31 16 DATA21 DATAE DATAQ7 DATA22 DATA23 4I 15 NDArAe8 DATAOS 21 17 RAG 04 6 524 26 4 Jo jw M 14 AS L 3 SRASN2 06F AG 12 ALAVA SRASN3 06F SHENI 10 RASN2 RASN3 2 oo 1 Jon ja o TT 33 04 SWEN
19. ______5 044 RFU t I0R 2 12B CDIORDN 144 t 02 128 CDIOWRN gt u45 RFU t 104 2 12B CDIOWRN L45 I0W Q2 12B CSFCOLN L5u7 CE1 2 12C CSFCILN L7 CE1 2 12B CSFCOUN gt u42 CE2 2 12C CSFC UN L42 CE2 5 5y0 WP 10 1s 16 L33 WP t IO 1s 16 10K RDY IRG L16 RDY RID CD1 L36 CD1 RA78 2 1 C 10151650 CD2 2 10D 101S16N1 L67 CD2 10Kx4 10Kx4 2 6C CARDINTNO BVD1 STSCHG 2 6C CARDINTNI BYD1 STSCHG R10 24 95 3 02 100 CARDSENNO BVD2 SPKR 02 1000 1 L SPKR 02 100 RFSH NC 2 10D STSCHGN1 RFSH NC RFU Not Used RFU Used WAIT WAIT WAIT WAIT R12 RFU t INPACK RFU INPACK A25 NC A25 NC A24 5 A24 5 1 A23 NC A23 NC A22 INC A22 NC A21 NC A21 NC INC NC A19 NC A19 NC A18 NC A18 INC A17 INC A17 INC A16 NC A16 NC 15 NC A15 NC A14 NC A14 INC A13 NC A13 NC 12 NC A12 NC ALL INC INC A10 A10 Ag A8 A8 AG AS A4 A3 A2 Al AQ jx jw 2 12G CAQ1 2 12G 1 5H ADRI 2 27 UK391307 B48K299CIR 7 7
20. ERETT Il 4 2 4 1 Printable Media amp Cassette 11 4 23 PAMET ODUN ideis ae aa Mte na ioo pha Il 5 2 4 9 Recommended Paper Specificatiofis inire ite ro sena rnt nate neta ai 11 5 244 11 5 2215 Paper Feed us a MES Il 7 3 ENVIRONMENTAL CONDITION o aaepe aaa 11 8 3 1 Ambient Temperature Humidity 11 8 CHAPTER II SPECIFICATIONS 1 RATING N waRNING Use the power supply cable supplied with the printer or a similar cable complying with the following specification 3 wire power cable with ground Use of an out of specification cable may result in an electric shock Voltage V Frequency Hz Input Current A Power Cord Piece For the model for Europe the power supply cable depends on the country as follows 250VAC 6A VDE DEMKO SEV Europe Continent Note For details of other power supply cables refer to the parts reference list For rating labels refer to the Safety Instruction on Page vi 11 1 2 2 1 GENERAL SPECIFICATIONS Printing Print method Resolution Print speed Warm up First print Print media Electrophotography by semiconductor laser beam scanning 300 x 300 dots per inch Normal 600 x 600 dots per inch Fine The reso
21. ROMOEN 911 15V R173 15 MAAS MABOS 9 10 10 11 N DATA tes 5 20 N DATAG 1 21 17 I DATAIG 3 16 DATAO1 1 2 9E RASNIO 71 4 ja imi x DATAO1 DATAQI 4 5 RA41 47 4 DATAQ2 DATAQ2 DATAQ2 NATADO 1 238 MAQ7 2 18 lia 52 MAAQT DAT O3 17 2 17 DATAQ4 DATAQA DATAQ4 45 16 3 16 5 5 5 DATAQS 15__ 4 15 04 DATAO6 SCASNT DATAOB DATAOS DATAS DATAOS DATAOS X51 DATAOS DATAI DATAI 12 2 R34 47 DATATI pea R32 47 12 12 26 R30 47 DATAI3 DATAI3 x57 74F245 RABAT IBN DATATA 14 ek DATATA T R vec 20 C37 DATA15 DATA15 X 65 DATA16 DATAI6 DATAI6 DATA24 3 16 10Kx4 104 x 10 av DATAIT 17 M DATAS AI 15 DATAIS DATAIS 36 56 47 4 9 9 DATA19 17 21 17 20 20 xol 20 DATA26 3 16 3l 16 DATA21 DATA21 x23 DATA27 Al 15 Al I5 22 22 x 4 CY NN DATA23 DATA23 T DATAI3 al 17 13 SRASN4 08F DATA24 DATA24 550 DATA24 DATA28 3l RASN4 Nass 12 25 25 DATAS 4I r3 VN SRASNS 8F x ee vee
22. Signal Ground SD 45V type ground 2 5 High Voltage Power Supply Unit 1 Outputs and Function No Function Power Supply P S P S Name Approx Output Voltage 1 Charging CHV 4 6KV HVRD6190 619V First Transfer CBV 200V 900V 3 DBV A 200V 400V Bias DBV B 200V 400V Second Transfer THV 400V 3 000V Transfer Roller Cleaning THV 600V Paper Discharging ACV 4 9KV DCV 200V Drum Cleaning FCBV 200V 1 500V 2 Layout of Connector Pin Assignment See Fig 4 41 on the following page IV 61 9 Layout of Connector Pin Assignment High Voltage Power Supply Unit High Voltage MODEL DBV M 1O DBV C CBV CHVOUT Fig 4 41 3 Connector Pin Assignment BCN1 BCN2 Manufacture MoLex Manufacture MoLex Type 53313 1815 Type 53324 0410 Thermistor 1 2 PGND PGND Thermistor 2 3 FUCHK Sensor Signal of Fusing 3 FUCHK Fuser Check Unit Installation 5 AC Output ON Signal PWMON N PWM Control ON Signal 7 cHvoN oN Output ON Signal CHVERR CHV ERROR Sensor Signal CBVPWM N CBV PWM Control Signal 10 THVRON N THV ON Signal 11 DBVYMPWMN DBV PWM Control Signal 12 THVPWM N THV PWM Control ON Signal 13 DBVCKPWMN CBV PWM Control Signal Transfer Voltage TAWA Select Signal FCBVPWM N FCBV PWM Control Signal Termistor Termistor gt
23. Face down print delivery Note Facedown Delivers the printed side of the paper downwards Environment 17 5 27 0 C 50 70 2 4 5 Recommended Paper Specifications Basis Weight g m Thickness p m Smoothness Bekk seconds Stiffness Clark Brightness 96 Surface Resistance Q Grain Direction Measurement Condition 17 5 27 0 50 70 RH Note Keep the paper sealed in the bag as supplied and do not open the paper bag until the paper is required for use 2 4 4 Effective Printing Area 1 Printable area The effective printing area means the area within which the printing of all the data received without any omissions can be guaranteed Refer to Table 2 1 for details 11 5 Table 2 1 Effective Printing Areas 210 0mm 297 0mm 203 2mm 288 5mm 8 27 11 69 8 0 11 36 2 480 dots 3 507 dots 2 400 dots 3 407 dots 215 9mm 279 4mm 207 44 271 0mm 8 5 11 0 8 16 10 67 2 550 dots 3 300 dots 2 450 dots 3 200 dots 50 dots 215 9mm 355 6mm 207 44mm 347 1mm 8 5 14 0 8 16 13 67 2 550 dots 4 200 dots 2 450 dots 4 100 dots 182 0mm 257 0mm 173 54 248 5mm 7 16 10 12 6 82 9 78 2 149 dots 3 035 dots 2 049 dots 2 935 dots 176 0mm 250 0mm 167 54 241 5mm 6 93 9 84 6 59 9 5 2 078 dots 2 952dots 1 978dots 2 852 dots 184 2 266 7 175 74 258 3mm 7 25 10 5 6 91 1
24. N preca UTION Do not touch the corona wire of the paper discharger unit lt Necessary Tools and Replacement Materials gt 1 Two or three pieces of cotton cloth for cleaning 2 Paper discharger one unit lt Work Procedures gt Sequence of Disassembling 1 After turning off the printer unplug the power cable from the power outlet 2 Open the rear access cover Fig 6 21 Rear Access Cover Fig 6 21 VI 24 Sequence of Replacement 1 Pull the right hand side of the paper discharger slightly then lift it out of the transfer unit to remove the paper discharger Fig 6 22 2 Clean the area where the paper discharger unit is mounted Fig 6 23 3 Install the new paper discharger unit into the transfer unit Sequence of Assembling 1 Close the rear access cover 2 Plug the power cable into the printer and turn on the printer 3 Upon completion of the warming up process Press the Reset button while holding down the Shift button and select RESET PARTS LIFE and then 120K KIT VI 25 2 5 Drum Cleaner Replacement Criterion of Replacement The drum cleaner should be replaced with a new one according to the periodical maintenance cycle set out in Table 6 4 When time is due for replacement of the drum cleaner the following message appears on the control panel LJ READY 001 T1 REPLACE 120K KIT Purpose of Replacement
25. UTION Actions 1 and 2 MUST be carried out BEFORE the MCTL PCB is removed or the NVRAM initialized otherwise ALL READINGS WILL BE LOST 1 Go into the Engine Controller Mode Refer to Section 3 ENGINE CONTROLLER MODE of Chapter V 2 Before initializing the NV RAM or replacing the MCTL PCB record the following values i Display TOTAL PAGE to record the value i e TOTAL PAGE T 412P ii Display EACH IMAGE to record the values i e EACH IMAGE 348 IM 353P IC 2365P IK 439P iii Display NEXT CARE to record the values i e FC ROLL NC2 12 050P BL UNIT NC7 49 135P FU UNIT NC8 39 684P 120K KIT NC9 120 000P iv Display LIFE PERIOD SET of FACTORY MODE to record the values i e FC ROLL LP2 12 000P BL UNIT LP7 50 000P FU UNIT LP8 60 100P 120K KIT LP9 120 000P 3 When you have recorded all the values above initialize the data in the NV RAM on the MCTL PCB or replace the MCTL PCB After initializing all the data in the NV RAM on the MCTL PCB or replacing the MCTL PCB all the original counter values for the cleaning roller OPC belt cartridge fusing unit and 120K kit should be re entered as below The method used to correct the counters is to reset the page counter to a calculated TOTAL PAGE value and then to perform a CLEAR CARE for the item to reset the NEXT CARE for that item to the value recorded in 2 iii The basic formula used in these calculations is
26. the Continue button b The adjustment value can be adjusted in 8 45 NVM TUNE UP steps between 4 and 4 lt 123456789 gt After selecting a given number press the Continue button c 45 CBV Press the Font button to finish the adjustment lt 432101 work for CBV c d 45 NVM TUNE UP No 123456789 V 35 FBV TUNE UP This mode should be used when image defects attributed to the transfer drum need to be improved Adjustment is to adjust the drum cleaner bias voltage against the reference value 0 zero in the range 4 and 4 Note Do not perform this mode frequently Description of Procedures LCD Message 1 Press the Continue button after selecting Screen NVM TUNE b 39 FACTORY MODE After selecting FBV TUNE UP Code 6 press NVM TUNE UP the Continue button b The adjustment value can be adjusted in 8 45 NVM TUNE UP steps between 4 and 4 lt 123456789 gt After selecting given number press the Continue button c 45 FBV Press the Font button to finish the adjustment lt 432101 work for c d 45 NVM TUNE UP No 123456789 V 36 NVRAM INITIAL This mode can initialize data clear all the data in the NVRAM on the MCTL UTION BEFORE USING THIS MODE THE VALUES FROM 34 TOTAL PAGES AND 35 EACH IMAGE MUST BE READ TO E
27. 1 Cotton cloth 2 3 pieces 2 Cotton swab 2 3 pieces Cleaning Procedure 1 Turn off the power supply 2 Open the top cover and the front cover 3 Remove the toner cartridges and the OPC belt cartridge 4 Remove the dust proof glass from the scanner unit 5 Clean the surface of the dustproof glass with a cotton swab 6 Replace the dustproof glass by aligning the A marks on the scanner unit and the dustproof glass ensuring it is locked correctly into place and cannot move UTION NEVER use alcohol or similar solvents for cleaning the dustproof glass otherwise it will be a cause of image failures Laser WARNING Label Dustproof Glass Scanner Unit Fig 6 9 VI 13 1 2 9 Cleaning the Printer Interior The printer interior bottom should be cleaned according to the periodic maintenance cleaning cycle set out in Table 6 3 Tools to Prepare gt 1 Toner vacuum cleaner 2 Cotton cloth 2 3 pieces Cleaning Procedure 1 Open the top cover and the front cover 2 Remove the toner cartridges and the OPC belt cartridge 3 Vacuum up toner scattered on the bottom of printer interior with a vacuum cleaner designed to handle toner particles 4 Clean the printer interior with a cotton cloth and swab 5 Replace the removed items UTION Be sure not to contact the nozzle of the vacuum cleaner with the terminals of the interor Failure to do so will cause damage to
28. 1 Do not implement any operation disassembly or modification which is not set out in this manual 3 This printer incorporates dangerous parts subject to warnings such as High Temperature High Voltage and Laser Radiation Before starting any work on this printer make sure you have read and understand the warnings set out in this manual 4 Collect and dispose of any waste toner cartridges removed during maintenance correctly in accordance with local regulations Do not dispose of them with inflammable materials or dispose of them into a fire b The grounding wire is disconnected when replacing or removing the DC power supply unit After completing the replacement work confirm that the grounding wire is reconnected correctly to the earth mark QD 6 Ensure that the type and length of screws removed during replacement of maintenance parts is noted and the correct screws are used during re assembly See Table 7 1 7 Do not use any solvent such as alcohol for the maintenance of this printer 8 Confirm that all the parts and covers are installed or assembled correctly before starting the test run after replacement of maintenance parts 9 The re assembly order is the reverse of the dis assembly order In all cases follow the flow chart in reverse to re assemble the printer Where there is any change to the order this is noted in the relevant section 1 2 Preparation of Disassembly Follow the procedure described
29. CARD2 R W OK CARD2 R W The flash memory card works correctly CARD2 R W ERROR flash memory card has a problem NO FLASH CARD2 The flash memory card is not installed WP FLASH CARD2 The write protect switch on the flash memory card is On 12 Press the Continue button to implement the MIO CHECK MIO CHECK START MIO OK MIO OK The MIO card works correctly MIO ERROR The MIO card has a problem NO MIO BOARD The MIO card is not installed 13 Press the Continue button to exit the Line Test Mode The printer is reset as follows When this messages is displayed the printer may be turned off However if one of the toner cartridges is not installed or no paper is loaded a message such EL OP M CE as 14 NO CARTRIDGE or CHECK TRAY is displayed LJ READY 001 T1 14 Turn off the power V 7 2 4 DRAM Test Mode This mode tests the memory and optional SIMMs installed on the main video controller PCB Procedure 1 To start the test program While holding down the button turn on the power DRAM CHECK START will be displayed Press the Continue button to start the DRAM check 2 The LCD will display START DRAM TEST and the Data LED blinks 3 On satisfactory completion of all the RAM tests the LCD will display DRAM and the Alarm LED is on If any DRAM error has occurred the LCD will display a fail message as follo
30. NO Replace the MCTL PCB MCTL 12CN O IIIA Error Code E9 Concerned Part Belt Sensor PBS Is the belt cartridge leaning to one side NO Is the belt sensor dirty TES NO Check the connector Replace the belt cartridge Level the printer Clean the belt Is DCN11 of IOD1 properly connected to the sensor a Is DCN1 of IOD1 properly connected with 11CN of MCTL PCB lt Is E9 error cleared gt Connect them properly YE Is E9 error cleared S Finished NO Check the voltage 5 1 Replace the belt sensor P B S Replace the IOD1 PCB Is the voltage 5V between DCN1 1 2 and 3 of IOD1 YES NO lt Is the voltage 5V between DCN1 5 and 1 of 1001 Is E9 error cleared NO YES Finished Replace the MCTL PCB MCTL IOD1 Belt Sensor P B S Sensor Concerned Part Erase Lamp EL Check the connection of the erase lamp connector 1 DCN7 of IOD1 properly connected to the erase lamp Is DCN1 of IOD1 properly connected with 11CN of PCB Connect them properly Is EL error cleared Finished YES Check the voltage ELON N P NO Is the voltage between DCN7 11 and 9 a trailing edge Replace the LED PCB Replace the IOD1 PCB Is EL error clea
31. Orother COLOR LASER PRINTER SERVICE MANUAL MODEL HL 2400C Jan 98 54S002BE0 orother COLOR LASER PRINTER SERVICE MANUAL MODEL HL 2400C Copyright Brother 1997 All rights reserved No part of this publication may be reproduced in any form or by any means without permission in writing from the publisher Specifications are subject to change without notice Trademarks The brother logo is a registered trademark of Brother Industries Ltd Apple the Apple Logo and Macintosh are trademarks registered in the United States and other countries and True Type is a trademark of Apple computer Inc Epson is a registered trademark and FX 80 and FX 850 are trademarks of Seiko Epson Corporation Hewlett Packard is a registered trademark and HP Laser Jet is a trademark of Hewlett Packard Company IBM IBM PC and Proprinter are registered trademarks of International Business Machines Corporation Microsoft and MS DOS are registered trademarks of Microsoft Corporation Windows is a registered trademark of Microsoft Corporation in the U S and other countries PREFACE This service manual contains basic information required for after sales service of the color laser printer here in after referred to as this machine or the printer This information is vital to the service technician to maintain the high printing quality and performance of the printer This service manual covers the HL 2400C color laser printer
32. The scanner unit consists of the following parts Laser Unit Cylinder Lens F 0 Lens Mirror LDC PD BTD Mirror eo 00000089 9 Polygon Mirror Scanner Motor Light emitting source incorporating a laser diode Condenser for the laser beam Hexahedral mirror for scanning the laser beam Focus lens for the laser beam Motor to rotate the polygon mirror Reflecting mirror for the laser beam path Laser diode control circuit Beam detector Beam timing detector mirror to guide the laser beam to the PD sensor Fig 4 24 IV 21 2 Specification Specification of the Scanner Unit is as follows Rated Output of Laser Diode 5mW Wave Length of Laser Beam Approx 785nm Scanning Density 600dpi Scanner Motor speed 23 936rpm Number of Polygon Mirror Faces IV 22 1 3 Paper Transportation System 1 Outline This printer employs automatic paper feeding from the media cassette When toner images are formed on the transfer drum through the operations of the print system and transfer system paper is fed by the pick up roller and transported to the register roller The transported paper is further transported to the transfer fuser and exit parts by the register roller synchronizing with the rotation of the transfer drum Structure of Paper Transportation System Refer to Fig 4 25 The paper transportation system consists of the following parts
33. To prevent the cleaning efficiency from declining due to deterioration of the drum cleaner N preca UTION When installing the drum cleaner firstly locate the bearing and the bias pole into the contacts Reconfirm this connection prior to testing the printer lt Necessary Tools and Replacement Materials gt 1 Two or three pieces of cotton cloth for cleaning 2 Drum cleaner one unit lt Work Procedure gt Sequence of Disassembling 1 Turn off the printer 2 Open the top cover Sequence of Replacement 1 Remove the cleaner cover by Cleaner Cover releasing the two hooks Fig 6 24 Hook Top Cover VI 26 2 Holding the handle located on the Drum Cleaner top of the drum cleaner push it backwards 3 Remove the drum cleaner by lifting it out Fig 6 25 4 Clean the area where the drum cleaner is mounted Fig 6 26 5 Install a new drum cleaner into the printer When installing the drum cleaner be sure to put it into the printer correctly indicated by a click Sequence of Assembling 1 Install the cleaner cover 2 Close the top cover 3 Press the power button to turn on the printer 4 Upon completion of the warming up process Press the Reset button while holding down the Shift button and select RESET PARTS LIFE and then 120K KIT VI 27 2 6 Ozone Filter Replacement Criterion of Replacement The ozone filter should be replac
34. VIII 55 25 Vertical Smear Phenomenon Printed image is smeared vertically as shown in print sample 25 of Fig 8 2 Main Causes 1 Paper dust between the cleaning blade and OPC belt 2 Debris adhering to the base of a toner cartridge s developer roller where it contacts with the belt Countermeasures 1 Remove paper dust between the cleaning blade and OPC belt referring to the figure below OPC Belt Cartridge Fig 8 10 2 Replace the OPC belt cartridge with a new one 1 26 Black Toner Light Phenomenon Black color of printed image is light as shown in print sample 26 of Fig 8 2 and the printer clatters at the same time Main Causes Black toner in the cartridge has solidified because the printer is used under high temperature circumstance or due to continuous printing Countermeasures Replace the black toner cartridge with a new one VIII 56 1 27 Color Missing Phenomenon Color is missing in the printed image as shown in print sample 27 of Fig 8 2 Main Causes Fusing failure due to using damp paper or using the printer under high humidity conditions Countermeasures 1 Use the paper immediately after open the paper bag 2 Change the NVRAM setting Refer to THV TUNE UP in Section 3 3 of Chapter V 1 28 Horizontal Line 244mm from the Edge of Paper Phenomenon A horizontal line appears 244mm from the edge of the printed paper as shown in print sample 28 of Fig
35. lt 2 2 N IV 63 2 6 Wiring Diagram Paper Exit Sensor HTFAN Heater Fan Drum Jam Sensor DPJ Oil Sensor OIL PBS Belt Sensor Cleaning Roller Sensor LCRS HIGH VOLTAGE UNIT PT2 IO D1 PCB 2 rium FCBV ES BONT x DBV K DO DBVCK rosy 6 E DEVIC m i ni DCNs for Factory Use THR IM Sp DBVM 4 0 i E Control Fan P m erm 0 pev CTFAN CBV 2 sou EP iey ezev E Du z a S lt gt rore var car P off b 2029 C eiie Ds CLA PPM eo DONS FUSING UNIT 22 Thermistor TH GRD HR Heater BR Heater Fuser Connector PANEL PCB
36. 06 056 7 2A lt 04 gt Q2 06B 02 100 UK391301 B48K299CIR 1 7 Appendix 2 Main PCB Circuit Diagram 2 7 1 2 3 318 31 MB87F 160 MBBAF 160 1 MINERVA 31C MINERVA 1 MB87F 160 C69 C70 134 tMIRERVA 5y0 152 702 SIN SCLK DDE 156 104 104 192 VDDE SCLKIN SCLK 01 6B got VDDE 3 souT R78 0 45V 3 L207 yppe 1 wn 6 6F MIOENN 202 M 1 0ENN FCENND LS FCENN 07 024 x 126 gt RESETN RESETN 06 066 ACKMION 230 AcKMION 3 R CDMRDN lt 504 gt 2 22 ypprE 1 8D ASN READYN 01 05 06 066 MIOEOTN 209 cpMwRNpe 4 R CDMWRN lt 05 gt c53 1 8D RDWRN MEXCN 01 060 6 6H MIODREGN 4 212 CDIORDNDH S CDIORDN lt 02 gt 1 8C BCRNTN 1 6C Q6 06H MIOVSYN 2lloMiovsvN CDIORRNDEIE CDIOWRN lt 503 gt 3Vo 2 vppi 1 8C BMREQN BMACKN 01 050 6 6H MIOVDON 133 Y x 10C 32 vpp1 FCADRO1 72 FCADRO1 10G 01 088 CSNO BUSDIR x 1062 Nc 24 sictk csFcaLnb2 2 CSFCOLN 07 071 Q1 08B CSN1 BUSENN 01 09 CSFCOUND CSFC UN 07 070 1 8B CSN2 csN2 TOWRN lt 06 gt 12F SDA 142 lena CSFCILND CSFCILN 07 100 01 088 CSN4 CSN4 IORDN 05 018 CSFC LUND CSFC UN 07 100 01 08B CSN5 ICSNS 06 01 COMMAND 178 FCASND
37. 10 0 32 5 C 20 80 RH See the figure below Recommended Condition 17 5 27 0 C 50 70 RH 0 10 17 5 20 27 30 32 5 40 Ambient Temperature 1C Under Non Operational conditions 5 0 35 0 C 10 80 RH See the figure below e 40 30 20 10 0 5 10 20 30 35 40 Ambient Temperature C 11 8 3 Storage and Transportation Environment of Printer The following defines the storage and transportation environment of printers that have been packed according to Brother specification However this section does not cover the OPC belt cartridge and toner cartridges Normal 0 C 35 C 35 F 95 F Conditions Temperature Severe High Temperature 35 C 40 C 95 F 104 F Conditions Low Temperature 10 C 0 C 14 F 32 F 613 1 067hpa 460 880mmHg The period under the severe conditions should not be continuous and is assumed as an accumulation of intermittent time However an individual period of intermittent time under severe conditions should not be allowed to exceed 48 hours Note Normal conditions should occupy more than 90 of total storage period Severe conditions should be less than 10 of total storage period 11 9 CHAPTER III INSTALLATION CONTENTS CHAPTER lll INSTALLATIQN netni 111 1 1 CONDITIONS REQUIRED FOR 1
38. 2e 31 12 CE CE OE 0E vss vss 14 DATAI6 16 DATAI7 92 18 8 03 22 DATA19 04123 20 25 DATA21 s 7 2 07 DATA23N 08 D TA24N 09 17 DATA25 0191 19 DATA26 21 DATA27 011 012124 D TA28N 9131 26 29 14 28 DATA3 015130 10 MBM29F 8007 90 37 rv 27 1040 46 29 31 17 33 DATA 2 35 DATAO3 38 04 40 5 42 44 07 38 _ 34 _ DATAIO 36 DATALIN 39 DATAI2 41 DATA13N 43 DATAI4 45 DATAIS 26 284 Q NC 15 pov Te 12 WE pe ves Io RY BY vss BYTE RESET NC NC AQ NC A1 NC 29 _ 16 he 31 DATAI7N 12 33 DATA S 35 DATA S 38 DATAZO n 40 2 42 nr 44 his 380 24 32 DATA25N id 34 DAT 2EN Ric 36 DAT 27N ie 38 DATAZB 518 41 DATA29N ree 43__DATAS N 45 DATASI ES na 11 10 ADRO2 25 ADRO3 24 ADROA 23 ADROS ADROG 21 ADRO7 ADROS 19 ADROS 18 ADR10 8 ADR11 7 ADR 12 6 ADR13 5 14 4 ADR S 3 ADR G 2 ADR17 1 ADR S 48 ADR 19 17 ADR2O 16 13 QRY BY 5 OBYTE LI 15
39. 4 7 lt CARD OE 06 01 STATUS 79 SRxD1 CSFC ND 01 080 BENQ CSROMN 03 024 8181 01 080 BENI BEN1 CSROMN1 03 024 07F USBVCC 190 ge y 1691 LED1 CARDRST 07 070 01 080 BEN2 BEN2 CSROMN2 03 024 06 010 PRREQN 191 1002 LED2 CARDRST1 07 100 IAN ot5V 3V 1 8D BEN3 BEN3 6 6G MIORSTN 155 REV 1003 LED3 REG 07 070 2l 6 6H 153 Jreving4 LED4 07 100 3l 64 4 0162 DEBUGINTN INTREVNI 51 R73 A A 15 IRL 01 0 5Vo R118 19K 156 1005 LEDS SCL 10F Al 5 06 066 MIOINTN MIOINTN 06 01 KEYSTATUSN 224 RRE y 1006 TENA 7 7D CARDINTNO INTREVN2 6 1D IREADYN C 296 0 7 csrsynabl32 CSRSYN 1G RAIA 017 0900 CARDINTN CARDINTN 7 7D 101516 154 revioge 1 131 4 090 10151641 192 1010 csRsyN2p 32 41 15 0 Dci 07 070 STSCHGNO Y2 REV1011 e DC2 07 090 STSCHCN1 136 ngv 1012 RA 16 093 07 070 CARDSENNO 137 rey 1013 133 HALFSCLK 1 RA 16 07 090 CARDSENN 28 REV 1014 0 5 C63 14 2106MHz VIN R82 yop VIDEOCND 6 01C RA18 10Kx4 OUT VDON VIDEON 6 1D gt 6 8 HBUSY l4e 18p lt Flash ROM Module WE 6 8A SELIN 154 6 3C HSYNCN TPN
40. Is the wire of the paper discharger unit damaged 4 Is there paper dust around the Clean the registration registration roller YES NO NO YES YES NO YES Table 8 3 3 Print Paper 4 Is the print paper a No Use a recommended recommended paper paper 1 Is the paper exit unit firmly N Open and close the Paper Exit Unit locked by the lock lever paper exit unit again Is there paper dust around the Clean the exit roller 2 YES exit roller with a cotton cloth 3 4 Others Table 8 3 4 The edge of Is the curled paper edge creased when Turn over the paper in print paper is the paper is loaded through the pick up the media cassette creased roller VIII 9 SERVICE CALL If errors or failures occurred inside the printer the applicable error message will be displayed on the control panel and the printer stops If errors or failures repeat even after resetting the power button confirm the error code and then call your Service provider Confirm the error message Reset the power button Error occurs again Since this is a temporary error you may use the printer without corrective action Call the maintenance company for service VIII 10 4 1 Video Controller Mode Table 8 4 1 Service Call Message Meaning Countermeasure M ME ROM checksum Replace with a new ROM Font ROM checksum error Replace with a new ROM D RAM error Replace with a new SIMM 66 NV W ERROR NVRAM write error R
41. Ozone Fan Motor OZFAN charger unit Heater Fan Motor HTFAN exhaust the heat of the fusing unit To exhaust the heat of the power E Controller Fan Motor CTLFAN supply unit and Interface Controller 4 Ozone Fan 1 Main Motor 6 Controller 2 Developing Motor Fan Front cover SW Rear access cover SW 3 Scanner Motor IV 31 3 Clutches and Solenoids Refer to Fig 4 31 To feed paper by coupling the feeding Paper Feed Clutch PCLU roller to the main gear unit at the correct timing for paper feeding To transport paper by coupling the register roller to the main gear unit REGE synchronized with the rotation of the transfer drum Fuser Clutch FUCL To drive the fusing rollers by coupling the fusing unit to the main gear unit To drive the brush of the drum Cleaner Clutch FBCL cleaner by coupling the cleaner clutch to the main gear unit at the correct timing for drum cleaning To drive the magnetic roller of the desired color toner cartridge by Developer Clutch coupling that toner cartridge to the developer gear unit during developing To position the desired color toner Developer Solenoid cartridge in the developing position Unit during developing To make the transfer roller contact Transfer Solenoid the transfer drum surface at the time of the second transfer To make the drum cleaner contact the Drum Cleaner t
42. PSL YM Z A Error Code D6 Name of Part Developer Solenoid PSL KC Check the Connector Is the connection between ECN3 of IOD2 and Solenoid PSL KC OK Connect the harness Is the harness of Solenoid PSL KC broken Connect the connector properly YES Y Is D6 Error cleared Finished Check the voltage at PSL KC ON N NO y Does the voltage drop between 13 and ECN2 8 ES Replace the front cover unit with a new one NO Y Does the voltage jump f between ECN1 6 and ECN2 12 Replace IOD2 PCB with a new one Y Y lt Is D6 Error cleared YES Finished TNO Replace current MCTL PCB with a new one Is D6 Error cleared NO Re check from beginning of section Y YES Finished MCTC IOD2 12CN g PSL YMION P 24 1 PSL YM ON N PSL KC E1 Concerned Part Developer Motor DM Error Code 15 there any unusual rotation noise while printing NO Check the connector Is ECN15 of IOD2 properly connected with the connector of DM1 Is ECN1 of IOD2 properly connected with DCN9 of IOD1 YES Is ECN1 of IOD2 properly connected with I2CN of MCTL Check the voltage 24V 1 and 5V 1 NO Replace the toner cartridge Is the noise cleared NO Replac
43. e Appearance ASIC block e Model name e Appearance e Functions MB86832 100 SPARC lite RISC CPU manufactured by Fujitsu 33 1776MHz external 99 5328MHz internal 8KB Command cache 8KB Data cache 176 pin QFP MF87F1610 manufactured by Fujitsu 240 pin QFP Controls CPU Controls memory QControls interrupts Timer External interfaces Centronics RS 232C PCMCIA MIO Engine interface Engine control Video signal control Supports Software ROM block The ROM stores the CPU control program and font data ROMs used are an 8Mbytes masked ROM and a 2 Mbytes flash ROM which can be rewritten on the board Masked ROM e Access time e Appearance Flash ROM e Model name e Access time e Appearance DRAM block less than 120nsec 42 pin DIP MBM29F800T 120 manufactured Fujitsu less than 120nsec 48 pin TSOP DRAMSs are used for the receiving buffer and the working area of the CPU The DRAM block contains eight 16Mbit EDO RAM thus having 16MB memory capacity in total Model name e Type Access time e Appearance M5M41705CJ 6 manufactured Mitsubishi or equivalent 16Mbit EDO DRAM 4x4 164 304bit less than 80nsec 26 pin SOJ IV 47 b SIMM block SIMM Single Inline Memory Module allows memory extension by up to 96MB 3 SIMM sockets are available The following type of SIMM can be installed into each slot e Appearance 72 pin e Me
44. incorporates a heater lamp Fusing Heaters halogen lamps to heat the rollers Thermal Fuse prevent the fuser roller from being excessively heated up Thermistor is a sensor to detect the temperature of the fuser roller s surface Oil Bottle contains silicone oil for fusing Cleaner cleans the fuser roller IV 25 2 Fusing Process Refer to Fig 4 27 Silicone oil supplied from the oil bottle is applied to the surface of fuser roller The toner image has been transferred onto the paper but not yet fused Transported paper passes between the heater roller and back up roller Each roller is heated up to approx 140 C and receives approximately 156N pressure from the opposite heat roller When the paper carrying the toner images passes between the two heat rollers the toner images are melted and fused on the transported paper The paper carrying the fused image is separated from the heat rollers and ejected from the printer Toner Image Paper a Before Fusing Fixed toner b After Fusing IV 26 2 1 2 1 1 STRUCTURE OF THE CONTROL SYSTEM Basic Structure Electrical System and Functions Most of the main electrical parts of this printer are controlled by the MCTL engine controller PCB Structure of the Sequence Control The basic structure of the sequence control is shown in Fig 4 28 Q o9 o Print
45. the voltage between ECN8 4 and ECN2 8 of 1002 a trailing edge po Replace the transfer solenoid yo T lt s the voltage between ECN2 3 and 12 of IOD2 a trailing edge D ES Replace the IOD2 I T Is the voltage between ECN2 31 and 1 of IOD1 a rising edge Replace the IOD1 PCB P lt Is error cleared gt Replace the MCTL PCB YES MCTL OD DCN1 TRSLON N SGND 3 Transfer Solenoid 31 TRSLON P 31 8 PGND 24 1 12 TRSLON N ns Ze lllA Concerned Part Cleaning Brush Solenoid Check the connection of the cleaning brush solenoid connector Is ECN10 of IOD2 properly connected to the solenoid Is ECN2 of IOD2 properly connected with DCN9 of IOD1 Connect them properly Is ECN1 of IOD1 properly connected with 11CN of MCTL PCB 15 E6 error cleared Finished NO YES Check the voltage FBSLON N P EUR ls the voltage between ECN10 4 and 8 of IOD2 a trailing edge Replace the transfer solenoid zb 15 the voltage between ECN2 2 and 12 of IOD2 a rising edge Replace the IOD2 PCB T Is the voltage between ECN1 33 and 1 of IOD1 a rising edge Replace the 1001 E lt Is E6 error cleared V Replace the MCTL PCB YES Finished MCTL IOD1 IOD2 Drum Cleaner 424V 1 Solenoid FBSLON N Error C
46. 2 Clean toner around the pack and cover the hole of the waste toner pack firmly with gummed paper tape 3 Put the waste toner pack into the polyethylene bag and seal it firmly 6 5 Cleaning Gummed paper tape Clean the following areas with a vacuum cleaner to remove toner 1 Around the waste toner pack Waste toner feeder tube i Remove the one screw of side cover R at the rear of the printer to remove the side cover R ii Vacuum toner from the exit of the waste toner feeder tube and around the waste toner pack holder iii Cover the exit of the waste toner feeder tube with vinyl wrap Waste Toner Pack lt Aa iN Me Ne 2 Drum cleaner i Remove the cleaner cover by releasing the two hooks ii Holding the handle located on the top of the drum cleaner push it backwards Remove the drum cleaner by lifting it out iv Clean the area where the drum cleaner is mounted with a vacuum i cleaner and a cloth Refer to the Waste toner figure as shown on the right feeder unit 3 Inside the printer JAN d M i Remove the upper side cover side h cover L and upper cover from the printer ii Remove the control fan and then remove the waste toner feeder unit Vacuum toner around the other side of the waste toner feeder tube and inside the printer Refer to the figure as shown on the right iv Reassemble the
47. 20 seconds before restoring it to the original condition for reliable operation of these tests 7 Press the Continue button to implement the RAM SIZE CHECK The RAM size installed into the printer is displayed as follows RAM CHECK START RAM SIZE 16M Standard Model RAM SIZE 16 MB Network Model RAM SIZE 32 MB 8 Press the Continue button to implement the TRAY 1 CHECK The paper size of the installed cassette is displayed TRAY 1 CHK START i TRAY 1 A4 TRAY 1 4 4 size cassette is installed TRAY 1 LETTER Letter size cassette is installed TRAY 1 NO The upper cassette is not installed TRAY 1 SIZE ERR The paper size is other than A4 or Letter size 9 Press the Continue button to implement the TRAY 2 CHECK TRAY 2 CHK START i TRAY 2 A4 TRAY 2 4 A4 size cassette is installed TRAY 2 LETTER Letter size cassette is installed TRAY 2 NO The lower cassette is installed TRAY 2 SIZE ERR The paper size is other than A4 or Letter size 10 Press the Continue button to implement the FLASH CARD1 R W TEST CARD1 R W START CARD1 R W OK CARD1 R W OK The flash memory card works correctly CARD1 R W ERROR flash memory card has a problem NO FLASH CARD 1 The flash memory card is not installed WP FLASH CARD1 write protect switch on the flash memory card is On 11 Press the Continue button to implement FLASH CARD2 R W TEST CARD2 R W START
48. 7 1 2 3 RB751V 40 01 BAQ33T o 3Y T C110 C111 1004 1004 6 3 6 29 B MB86832 02 120 C46 148QRESET i 5 2 gt 101 154 CSN1 2 6B 02 088 SCLK 15 CLKIN CSN2 02 060 CLKEXT CSN4 02 060 SEL1 SEL SCLK xl 186 4 E CLKSELO x2 RI perse 1 CSNS 02 060 H RI L xa 5V 3V H R69 69 N x4 C R59 2 08B BREGN 88 seg R59 e8 2 06B 802 08B ROYOUTb 2 R62 2 8B BMACKN BMREOO 3 88 BHREQON 02 068 126 6 R25 TALCX245 F Re4 0 2 8B ERROR o 84 Nc 02 126 BUSRDN t 5v 3 5V 3Vo l o PIORRDLAS Nc Qo 02 088 BUSENN oov R72 721 5 NAA lek 145 _65 NC ting 78 DATAQO 122 17 DATAQ1 133 16 2 1441 15 DATAO3 1516 8 DATAQ4 162 17 173 16 DATAQ6 BEN 02 060 184 15 DATAQT R17 29 BEN 2 6C TALCX245 MB86832 BEN3 2 6C RIE 5V 3V 38 BMODEG 12 NC Sv 3Yo ODE 16 OvFp 4 Nc 78 RDARN 04 jw Jo Or3V IRG15 IRL3 IRG14 IRL2 ASN 2 6B IRG13 IRL1 92 080 IRL jcc 4IRG12 IRLO IRG11 19010 1809 1
49. 8 2 Main Causes Vibration is caused when an OPC belt and the transfer drum contact Countermeasures Change the resolution to 600 dpi 29 Vertical Lines Phenomenon Vertical lines appear when printing the OHP sheet as shown in print sample 29 of Fig 8 2 Main Causes Paper dust around the paper exit roller adhering to the OHP sheet Countermeasures 1 Use the recommended OHP sheet 2 Clean the paper exit roller VIII 57 APPENDIX A 1 SERIAL NO DESCRIPTIONS The descriptions as below shows how to read labels on each place lt ID for production month of Printer gt A January E May J September B February F June K October C March G July L November D April H August M December lt ID for production month of other parts than the printer gt 1 January 5 May 9 September 2 February 6 June X October 3 March July Y November 4 April 8 August Z December 1 Printer 175111101 1 0 1 L SERIAL NO FACTORY NO MODEL NO YEAR MONTH Location Rear of the Printer A 1 PR98028 2 Toner Cartridge 12XXXXXXXXXX YEAR MONTH SERIAL NO Location 3 Belt Cartridge 12XXXX YEAR n SERIAL NO MONTH Location 4 lt Fusing Unit REV A Z VOLTAGE 100V 120V 240V QS Scanner Unit lt Location gt Transfer Drum Hand writing XXXXXX 7123 SERI
50. C26 GND Chassis Gnd 19 104 GND Signal Ground nStrobe PEE x END Istana Ground 33 4 08 GND Signal Ground Data31 SN75C 1 168NS ADR 2 A1 5 GND Signal Ground Data4 ADRIS A2 RA89 RA88 GND Signal Ground Data5 ADRIA A3 22kx4 2 2Kx4 GND Signa Ground ADR15 A4 2 5E 1 11 81 GND Signa Ground Data71 ADR G 5 GND Signa Ground Data8 ADR17 GND Signal Ground lect M GND Signal Ground Busy nFau It GND Signal Ground nAutoFd nSe lectIn DIO Fog VI DEO P DI 1 02 040 E 22 0402 VIDEOCD 2 V1DEO N ADRO2 r MIO 00 MIO 00 02 120 VIDEON AoT AO ai y tData4 100 4 014 5 10 ADR 4 16 MIO MIO 16 Di f CN 10B ADR S 7 18 MIO A03 MIO A03 7 18 RESERVE ADROG MIO 04 MIO 404 je Y Y Nia er HSYNC P ADR27 3 14 MIO A S A05 31 l4 HSYNC N x ADROS ig MIO 06 180x4 NMIO A06 16 ADROS 7 18 MIO A07 MIO A97 71 18 ADRIQ 1 92 MIO 08 MIO A08 t Y io ADRII 31 4 MIO 09 A09 14 0 4 ADR 2 5 ig MIO 10 180x4 NMIO A10 16 ADR 3 7 ig MIO All MIO 11 7 18 ADR A F7 MIO 12 READY e ADRIS 3l 4 MIO A13 2 1 C
51. CBDN CBDN 6 66 86 08 INITN 143 06 01 VSYNCN 235 VSYNCN lane 6 8A STEN 233 ENVDON VOFFN 5 LOFFN 6 8C DCI 81 MALOO 111 05 018 pm Cre NIE 6 28B 48 b E RADA Qem 147 RASNON 10Kx4 mg RASNAN 1X Yig RASNA 5YO 7 6 8B CDCCACKN 6 08B 145 b 10 227 rEsTCLK b 010 228 27 6 9F TxD e19 b 6 29F D28 Rie 4 06 08 1 56 296 17 76325MHz 6000 Rist 10K 06 09 DSR 2324 7 XTAL 17 76325MHz 4 x 2 10 14 210601 2 1819 104 lt Page Mode N Ig C SN2 RASNIO 71 05 018 029 10 J 9 15 CASNI 45V 30 R20 1 UCLKIN LAW D E R94 6 I UCCKOUT CASNI8 31 05 018 8 E x24C04F R89 1 2 NC o Q5 01B USBDN ADR26 10K i 12 SCL 2 DR27 4 ROMWR 03 05 R87 USBDP 10K USBDN SDA 10C 01 05 ADRIO 271 1 12H 0 00 311 10C USBVCC B 1 5 ADRI22 271 DEBUG R132 ay B svo 36 Oe R137 0 TALCX245 ADR 2 3 MAOO 01 126 DATAL 311 R139 T R vcc 126 RESET L RESET 12D H LFSCLK
52. Care Code FC The engine is idling The Ready LED is lit Replace the waste toner pack with a ECK new one ER PACK 4 This message will be automatically cleared by opening amp closing the front cover while replacing the waste toner pack The message can also be cleared by pressing the Font button The engine is idling The Ready LED is lit 6 The type of misprint error is indicated as follows NOPQR No PRREQ N signal is available PAPER No paper is available in the feeder while executing the print operation after receipt of the print command This message can be cleared by pressing the Font button The engine is stopped The Ready LED is lit The fusing unit is not installed Reconfirm the installation status of the fusing unit This message will be automatically cleared by opening amp closing the paper exit cover The message can also be cleared by pressing the Font button LCD Message Description of Message The engine is idling The Ready LED is lit The cleaning roller is not installed Reconfirm the installation status of the cleaning roller This message will be automatically cleared by opening amp closing the paper exit cover The message can also be cleared by pressing the Font button The engine is ready to print The Ready LED is lit IGN 25 5 The color of the incorrectly installed toner cartridge will be indicated as foll
53. Carefully read all the safety messages set out in this manual and also in the safety warning signs placed on the equipment In this manual the safety instructions safety alert symbols and signal words are enclosed in a rectangular enclosure to bring them to your attention Keep the safety signs on the equipment in good condition and ensure none are missing or damaged Replace the safety signs if unreadable or damaged Learn how to operate the equipment and how to use the controls properly Do not let anyone operate this equipment without following the instructions Keep the equipment in proper working condition Unauthorized modification to the equipment may impair the function amp safety and affect the life of the equipment Listed below are the various kinds of WARNING messages contained in this manual NWARNING HAZARDOUS VOLTAGE May cause serious injuries or fatal accidents Voltage is now applied from the power supply of printer There is a danger of electrical shock if you touch the active area inside the printer Be sure to turn the power supply switch OFF and pull the plug out from the power outlet before starting maintenance work on the printer WARNING HARMFUL OZONE GAS Inhalation of an excessive amount of ozone gas may adversely affect the respiratory organs An Ozone Filter is fitted to this printer to reduce the exhausted ozone This filter must be replaced with a new filter periodically in accordance with the
54. Developing Photo 1 Photo sensor to detect the position of Sensor DHP2 the toner cartridge Cleaning Roller Sensor Photo sensor to detect if the fuser cleaner is fitted in the fixing unit Temperature Sensor Thermistor to detect the fuser for Fusing Unit temperature PSU PT1 PT2 PE OIL HP DPJ EN PBS TS CRS TH 34 14 Temperature Sensor Thermistor to 3 Paper Exit Sensor detect 7 Drum Jam Sensor 13 Cleaning Roller Sensor 10 Toner Empty Sensor 5 Oil Sensor 9 Belt Sensor 8 Drum Encoder Sensor 12 Developing Photo Sensor 6 OHP Sensor 11 Waste Toner Sensor 2 Paper Feeding Sensor 4 Paper Empty Sensor 1 Paper Size Sensor Fig 4 32 IV 35 2 2 2 2 1 Control System Control of the Print Process A Micro CPU mounted on the MCTL PCB controls the print processes Print Sequence Diagram Host Computer VF Controller Video Controller Cleaning Roller Sensor Fusing Unit Interlock Switches 0000 00 Fig 4 33 IV 36 Cooling ha Scanner Control Fan 1 Belt Drum Sensor Sensor MCTL Engine Controller Sequence Control eS Control Temperature Control CPU xm Toner Em
55. IMAGE SET in FACTORY MODE IY 348P 1M 353P IC 365P IK 439P Ensure that the values in the LIFE PERIOD SET counters in FACTORY MODE are correct i e FC ROLL LP2 12 000P BL UNIT LP7 50 000P FU UNIT LP8 60 100P 120K KIT LP9 120 000P Completed A 10 6 RE PACKING INSTRUCTIONS N preca UTION When re packing the printer before shipping be sure to follow the steps and cautions below Failure to do so will cause toner or oil spill in the printer and severe damage to the printer 6 1 Toner Cartridge 1 Open the front cover and remove all the toner cartridges K Y M C from the printer 2 Put the original protective cover orange onto each cartridge and put it into the polyethylene bag Protective Cover 3 Put the toner cartridges into the original N starter kit packing Puce 2 6 Starter Kit D If you do not have the original protective cover cover each toner cartridge with bubble sheet to protect the developer roller If you do not have the original starter kit packing pack each toner cartridge firmly with bubble sheet and put them into the outer carton 6 2 OPC Belt Cartridge 1 Open the top cover and remove the OPC belt cartridge from the printer 2 Open the shutter on the OPC belt cartridge and remove toner in the cartridge with a vacuum cleaner Shutter 3 Cover the OPC belt cartridge with the original protective sheet black 4 Putthe cartridge into
56. PRREON RA33 100 4 02 10 2 KEYSTATUSN 0 4 ADR G ig MIO A14 MIO A14 ADR 7 7 ig MIO 15 MIO 15 7 n dee cm NC Not Defined NC Not Defined NC Not Defined RESERVE NC Defined 100 VSYNCN 02 10 2 COMMAND 4 02 10 2 STATUS 02 271 T RS 232C 30 1 74LS07 R50 0 FG SD RD RS cs DR 6 CD 5 310 87 4 p 827 30 j B 7ALCX245 LS 741507 02 126 BUSRDN 40 ADM202 JRN ANNI 0 400 amp QIN 5V 3V vec 2243 4 GND 19 dar S KEY STATUS N 2 9B MIOENN 19 4 RESERVE 024 8 SCA 4 RESERVE BCD RESERVE Q2 Q6E TxD ll BCS RESERVE 8 2 6E DTRN 19 Q2 Q6E RXD 12 BSD 02 06 DSRN ST2 TxC2 30 1 BRD 74LS07 RT RxC j CNN RA43 100 4 BRS D j 5Vo ER DTR i 1 12H 00 311 560 4 RA4Q CI RI lt 10Kx4 ST1 TxC1 SRS 2 6C MIOINTN 02 10 MIORSTN 2 9B MIOEOTN 2 12G MIOWRN 02 120 gt CBDN 02 098 02 098 MIODREON Q2 09B MIOVSYN 02 10 MIOSEN Q2 09B MIOVDON CODE UK391306 NAME B48K299CIR 6 7 Appendix 7 Main PCB Circuit Diagram 7 7 1 2 3 10 4 P3 24 2 12G BUSRDN TALCX245 LS PC
57. RESIDENT SCALABLE FX XL SCALABLE FONT SCAL F NORMAL Select scalable font for all fonts SCAL F ALL SIZE FX XL SCALABLE ITALIC ITA OBLIQUE ITA ITALIC SEL exit FONT Make Italic fonts from scalable fonts Use internal Italic fonts DEF PAPER LT DEF PAPER A4 PAPER amp TRAY SIZE USA amp CANADA only Other countries PARALLEL TIMING CDCC PSW L CDCC PSW H STB ACK DELAY CDCC BSSL H CDCC BSSL L INPUT PRIME OFF ON exit PARALLEL PARALLEL MENU BUSY timing ACK timing DSR DR ON OFF DSR DR OFF DSR DR ON 1 ROCV XON XOFF SEL RCV XON XOFF OFF RCV XON XOFFZONKON XOFF is used as data flow protocol 1 KEEP SEL Ignore DSR signal Use DSR signal A 20 KEEP DTR OFF KEEP DTR ON I XOFF TIMING SELECT XOFF TIMING 11K XOFF TIMING 21K XOFFTIMING 101K exit SERIAL LANG ENGLISH LANG FRANCAIS m SPRAC DEUTSCH I TAAL NEDERLAND I LENG ESPANOL LING ITALIANO LOCAL PROMPT REPRINT JOB REPRINT 0FF REPRINT2ON REPRINT ON OFF HOM DATE DISPLAY press SET key prog date press CONTINUE key prog time font date font time version EngVer LDA VX X DRAM CHECK START DRAM Press Continue key ONBOARD RAM SLOT 1 SLOT 2 RAM SLOT 3 RAM DRAM ADDRESS AUTO HRC OFF 1 AUTO HRC ON AUTO HRC ON O
58. TAAL NEDERLAND LENG ESPANOL LINGZITALIANO DRAM CHECK START 3 Go off line and press the following keys simultaneously MODE FORM FEED LINE TEST CONTINUE LCD TEST SINGLE TESTPRINT t SWITCH TEST SENSOR TEST RAM SIZE TRAY 1 SETTING TRAY 2 SETTING I PCMCIA 1 TEST PCMCIA 2 TEST MIO TEST exit to ONLINE TEST PATTERN NORMAL TEST PATTERN GRID I TEST PATTERN LINE 1 TEST PATTERN BLACK Display PROGRAM DATE Switch LOCAL PROMPT Check DRAM Press the Continue key to execute Test Then press the Continue key to exit to ONLINE All LCD segments turned ON Press switches to check operation on LCD Test all sensors Shows installed RAM size Shows current Tray 1 size Shows current Tray 2 size Test PCMCIA slot 1 if card installed Test PCMCIA slot 2 card if installed Test MIO card if installed A 18 TEST PATTERN WHITE prints 1 page and exits to ONLINE REPEAT TESTPRINT TEST PATTERN NORMAL NV RAM CLEAR TEST PATTERN GRID m TEST PATTERN LINE I TEST PATTERN BLACK TEST PATTERN WHITE prints continuously press SEL to stop printing OFFLINE press CONT to resume printing ONLINE press SHIFT amp RESET to exit printing SURE SET ELSE NV RAM Clear FONT SELECT READOUT ON Enable or Disable DC3 in Epson emulation ____READOUT OFF IBM CHR SET MODE IBM E1H be
59. V 28 MARGIN ADJUST The position of the top margin and left margin can be confirmed and adjusted within the range 3 5mm max and 3 5mm Note It is recommended to use the default value in normal use Do not perform this mode frequently Description of Procedures LCD Message 1 Press the Continue button after selecting Screen a MARGIN ADJUST 2 b 39 FACTORY MODE gt MARGIN ADJUST Using the Set or button select either TOP or LEFT and then press the Continue button b c 43 MARGIN ADJUST TOP LEFT LEFT2 The margins can be adjusted by up to 3 5mm left and right in 0 5mm steps from the reference value 0 45 TOP 2 0mm lt 165432101 gt Using the Set or W button select the amount of adjustment by selecting a number displayed in screen c or d The amount of adjustment selected will be displayed at the upper right corner of Screen c or d 43 TOP 2 5mm lt 101234567 gt After confirming the desired amount of adjustment is displayed press the Continue 43 MARGIN ADJUST button to set the adjustment gt 1 EFT LEFT2 Press the Font button to exit the MARGIN ADJUST mode b d 39 FACTORY MODE DP CHECK Press the Font button one more time to return to FACTORY MODE e 5 f V 29 LIFE PERIOD Replacement life of the periodical replacement parts can be set Note It is recommended t
60. VII 33 6 Remove the paper exit inner cover by removing the set screws BT3X8 4 pcs release arm hook R amp L and spring 7 Paper exit inner cover D Spring Hook L Fig 7 56 7 Press the sides of the fan case to release the fan motor assembly from the paper exit guide unit 8 Remove the fuser fan motor from the case Fuser Fan Motor Fan case Top Cover Paper Exit Cover Paper exit guide unit Fig 7 57 VII 34 9 Remove the set screws BT3X8 4 pcs from the paper exit guide unit 10 Remove the top cover paper exit cover from the paper exit guide unit T Paper exit guide unit Top Cover Paper Exit Cover Fig 7 58 Note e When re assembling ensure the hooks are fitted facing in the correct direction on the release arm The two hook assembly sliders are of different widths to ensure correct assembly Refer to Fig 7 59 below Hook R Hook L Spring Fig 7 59 e When refitting the paper exit inner cover fit it onto the top cover while holding the release arm in position with a screw driver for easier and correct assembly VII 35 443 Cleaning Roller Sensor CRS 1 Disconnect the harnesses connected to the cleaning roller sensor 2 Remove the cleaning roller sensor from the paper exit guide paper exit stay Cleaning Roller Sensor Paper exit
61. cause by following the information in Section 3 of Chapter VIII 2 If the paper jam still occurs replace the paper feeding roller and separator pad referring to Section 4 6 5 of Chapter VII Separator Pad Paper Feeding Roller e This is one of the periodic replacement items not customer service It should be implemented upon request of the customer or at periodic maintenance e After replacement confirm the improvement of image failure by test printing VI 29 2 8 Transfer Drum Replacement Criterion of Replacement The transfer drum should be replaced with a new one according to the periodical maintenance cycle set out in the Table 6 4 When time is due for replacement of the transfer drum the following message appears on the control panel LJ READY 001 T1 REPLACE 120K KIT It should be also replaced when an image failure occurs due to transfer drum damage Work Procedure 1 Whenever an image failure occurs confirm the cause by following the information in Section 5 of Chapter VIII 2 If the image failure still occurs replace the transfer drum referring to Section 4 2 11 of Chapter VII Transfer Drum Fig 6 29 e This is one of the periodic replacement items not customer service It should be implemented upon request of the customer or at periodic maintenance e After replacement confirm the improvement of print quality failure by test printing VI 30 C
62. cloth 2 2 Replace the damaged transfer drum with a new one See Section 4 2 11 of Chapter VII 3 Remove the toner cartridge 3 1 Clean the surface of the developer roller 3 2 Replace the toner cartridge with a new one 4 Replace the transfer unit with a new one See Section 4 6 1 of Chapter VII 1 16 Mixed Color Image Phenomenon Mixed color image appears in the print as shown in print sample 16 of Fig 8 2 Main Causes 1 Failure of toner cartridge Blade pressure of the developer roller is incorrect or the blade is deformed 2 Restitution error of toner cartridge Countermeasures 1 Confirm the toner cartridge can be inserted smoothly 2 Replace the toner cartridge with a new one 3 Reconfirm that the front cover unit is locked VIII 51 1 17 Color Misregistration Phenomenon Color misregistration is caused between two colors as shown in print sample 17 of Fig 8 2 Main Causes 1 The OPC belt cartridge is not properly installed 2 The OPC belt cartridge is deformed 3 The cleaning brush of the drum cleaner is unstable in operation 4 Rotational load on the OPC belt cartridge is excessive This problem might occur in the first page printed in color mode immediately after printing in monochrome mode or the first page immediately after turning on the printer Countermeasures 1 Reset the OPC belt cartridge properly 2 Replace the OPC belt cartridge with a new one See Section 2
63. cover and top cover N preca UTION When replacing the fusing unit take time and great care to complete the job properly Application of strong force to the fusing unit may result in the failure of the fusing unit and other parts 2 Plug the power cable into the power outlet and turn on the printer 3 Upon completion of the warming up process Press the Reset button while holding down the Shift button and select RESET PARTS LIFE and then FUSING UNIT Note When installing the new fusing unit into the printer you have to wait approximately for 30 minutes after the unit is installed to allow the fusing oil to circulate in the unit VI 21 2 3 Transfer Roller Replacement Criterion of Replacement The transfer roller should be replaced at the same time as a new discharger unit according to the periodical maintenance cycle set out in Table 6 4 When time is due for replacement of the transfer roller the following message appears on the control panel LJ REAI 001 REPLACE 120K KIT Purpose of Replacement gt To prevent the transfer efficiency declin Necessary Tools and Replacement ing due to deterioration of the transfer roller Materials gt 1 Two or three pieces of cotton cloth for cleaning 2 Transfer roller one unit lt Work Procedures gt Sequence of Disassembling 1 After turning off the printer unplu the power cable from the powe
64. guide 4 4 4 Discharger Brush 1 Remove the set screws BT4X6 2 pcs from the discharger brush 2 Remove the discharger brush and the plastic retainer PRECAUTION Do not deform the fur brush of the discharger brush Plastic retainer Paper exit guide Discharger Brush VII 36 4 4 5 Paper Exit Roller 1 Remove the C ring washer and plastic bush from the left and right hand sides 2 Remove the shaft support at both sides 3 Remove the paper exit roller from the paper exit guide Paper exit guide Paper Exit Roller 4 4 6 Paper Exit Sensor PT2 1 Disconnect the harnesses connected to the paper exit sensor 2 Remove the paper exit sensor from the paper exit guide Paper exit guide Fig 4 63 VII 37 4 5 Front of the Printer 4 5 1 Front Cover Unit 1 Open the front cover unit Remove the set screws 4 8 2 pcs from the front inner cover 3 Release the two hooks at the front edge of the inner cover and lift it up 4 Release the hinge lock lever 5 Pull the hinge pin slightly to the right to release the hinge arm Hinge pin lock lever Front inner cover Fig 7 64 6 Remove the front inner cover 7 Disconnect all the harnesses 4 pcs connected to the developer position sensor and developer solenoids 8 Remove the set screws ST3X6 2 pcs from the front hinge L 9 Remove the front hinge L from the frame 10 Sl
65. label is attached near the scanner unit 5mW 780nm 800nm DANGER INVISIBLE LASER RADIATION WHEN OPEN AVOID DIRECT EXPOSURE TO BEAM VORSICHT UNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GE FFNET UND SICHERHEITSVERRIEGELUNG BERBR CKT NICHT DEM STRAHL AUSSETZEN DANGER RAYON LASER INVISIBLE LORS DE L OUVER TURE EVITER L EXPOSITION DIRECTE PELIGRO RADIACION LASER INVISIBLE AL ABRIR EVITAR LA EXPOSICION DIRECTA AL HAZ BIS ee V E AlciBRSIEAZUOK5IExEUCTasOn For Finland and Sweden LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT Varoitus Laitteen kayttaminen muulla kuin t ss k ytt ohjeessa mainitulla tavalla saattaa altistaa k ytt j n turvallisuusluokan 1 ylitt v lle n kym tt m lle lasers teilylle Varning Om apparaten anvands annat s tt an i denna Bruksanvisning specificerats kan anvandaren uts ttas f r osynlig laserstralning som verskrider gransen f r laserklass 1 SAFETY INSTRUCTIONS SAFETY PRINCIPLE 1 Before starting any operations read this manual thoroughly Especially read the safety instructions in this section carefully and ensure that you understand the contents 2 Perform all the operations by following the procedures described in this manual Follow all the cautions and warnings set out in the procedures and on safety labels affixed to the machine Failure to do so may result in human injury or equipment damage 3 Perform only the procedures
66. laser output to make the level constant by comparing the laser output with the feed back value transmitted from the output sensing circuit 4 The scanning laser beam is sensed by the beam detector PD then the beam detecting timing BDT signal is output 38 6 PRINT Signal VIDEO Signal MCTL PCB Frequency Control Circuit Beam Scanning Control Circuit Synchronizie Control Circuit Scaner Motor Temperature Control of the Fusing Temperature Each roller of the fusing unit is controlled to maintain the appropriate temperature so that toner will be fixed correctly onto the print paper Basic Structure of Temperature Control Fig 4 35 gt FLS TFU1 TFU2 TH RY GA CPU CM1 CM2 CM3 Q HR BR Thyristor to switch the power supply to the heat lamp Temperature fuse to shut down the circuit for safety when the temperature becomes too hot within the fixing unit Temperature sensor to detect the surface temperature of the heat roller HR Relay to prevent further heating when it becomes hotter than the set temperature within the fixing unit Process circuit to control the temperature signal micro computer Sensor circuit for temperature signal for ACOFF signal Sensor circuit for temperature signal for HON signal Sensor circuit for temperature signal for processing Sensor circuit for shut down by the thermistor for THERR signal Heat lamp for the heat rolle
67. life of the lamp The wattage and length of the heater lamp is different between the fuser roller and the back up roller The wattage is marked on the insulator of the lamp electrode Fuser roller 400W Length 342mm Back up roller 300W Length 332mm Note When installing the new fusing unit into the printer you have to wait approximately for 30 minutes after the unit is installed to allow the fusing oil to circulate in the unit VII 45 CHAPTER VIII TROUBLESHOOTING CONTENTS CHAPTER VIII TROUBLESHOOTING 1 ODUTHBNE OF TROUBLESHOOTING accesses QU RE FREUEN CR NM RR KR a T ES VIII 2 in ie ald ia enc ect RORIS POR OR VIII 3 Si ONS VIII 3 Enone Conroe LUE Cad VIII 6 3 PAPER TRANSPORT ERROR VIII 8 USB TITTEN TRITUM VIII 8 e TER pi Svo VIII 9 TNI TM VIII 9 DOE n e SU E d EM VIII 9 VIII 10 4 1 Video Contoler Mod 55 VIII 11 Engine Controller MOGG VIII 13 S IMAGE IER emt VIII 41 CHAPTER TROUBLESHOOTING This chapter contains troubleshooting information for both the Video Controller Mode and the Engine Controller Mode If any problem occurs dur
68. manual supplied with the printer NWARNING HOT SURFACE The Fusing Unit reaches a temperature of approx 160 and adjacent parts are also very hot When you need to change the cleaning pad or remove jammed paper wait about 20 minutes after opening the paper exit unit to allow the unit to cool down NCAUTION ROTATING PARTS Be aware of the potential danger of various rollers and take care not to get your fingers or hand caught into the machine this can cause serious injuries Note that the exit roller that ejects the printed paper is rotating while printing Be careful not to get your hair fingers hands sleeve or necktie caught in the machine while operating the machine NCAUTION HAZARDOUS POWDER Toner is a fine powder which can cause a powder explosion if disposed of into a fire Under no circumstances dispose of toner into a fire NCAUTION HAZARDOUS POWDER Toner is a fine powder which may cause irritation to the eyes and respiratory organs if inhaled Handle the toner cartridge waste toner pack and developing unit carefully so as not to spill the toner NCAUTION POWER CORDS amp PLUGS This printer is equipped with a 3 wire power cord fitted with a S pronged plug bi polar plug with grounding for the user s safety Use these power cords in conjunction with a properly grounded electrical outlet to avoid an electrical shock NCAUTION SAFETY INTERLOCK The front cover paper exit unit and transfer
69. not reach the required point 1 after a certain time the control panel indicates H2 and the printer will stop operating If the Heater On signal still continues after a certain time the control panel indicates H3 and the printer will stop operating If the temperature within the fusing unit becomes unusually hot and when ACOFF signal is input the control panel indicates H4 and the printer will stop operating IV 42 4 Interface Control General a Interface Type The video interface handles laser image data that corresponds to dots for printing but does not store image data in a buffer The video data signals of the input image data switches the semiconductor laser diode to form a print image b Interface Connection Panel m mcm TE misma in Main PCB Engine i Video Controller Si System Fig 4 36 The interface connector of this laser printer is connected to the host system as shown in Fig 4 36 IV 43 c Interface Circuit Printer side Table 4 1 Interface Circuit Interface Circuit Signal Name lt gel M5M34050 PRREQ N COMMAND N ID1 N ID2 N VSYNC N IREADY N STATUS N KEY STATUS N IV 44 d Connector Pin Assignment The connector in the printer to connect to the controller board is type 128A 064S2B 13A DDk or the equivalent Table 4 2 Connector Pin Assignment psp p m mew
70. of 1968 This means that the printer does not produce hazardous laser radiation Since radiation emitted inside the printer is completely confined within protective housings and external covers the laser beam cannot escape from the machine during any phase of user operation FDA REGULATIONS FOR 110 120 V MODEL ONLY U S Food and Drug Administration FDA has implemented regulations for laser products manufactured on and after August 2 1976 Compliance is mandatory for products marketed in the United States One of the following labels on the back of the printer indicates compliance with the FDA regulations and must be attached to laser products marketed in the United States Caution Use of controls adjustments or performance of procedures other than those specified in this manual may result in hazardous radiation exposure IEC 825 SPECIFICATION FOR 220 240 V MODEL ONLY This printer is a Class 1 laser product as defined in IEC 825 specifications The label shown below is attached in countries where required CLASS 1LASER PRODUCT APPAREIL LASER DE CLASSE 1 LASER KLASSE 1 PRODUKT This printer has a Class 3B Laser Diode which emits invisible laser radiation in the Scanner Unit The Scanner Unit should not be opened under any circumstances Caution Use of controls adjustments or performance of procedures other than those specified in this manual may result in hazardous radiation exposure The following caution
71. or disassembly and maintenance work should only be done at an appropriate service facility by skilled service personnel acquainted with electrical safety After re assembly the product safety should be reconfirmed Since the fuser unit is very hot make sure that the fuser unit and surrounding area are well cooled down prior to starting the replacement of parts You may get burned when touching hot areas The fusing unit contains silicone oil Take care not to spill the silicone oil especially on the floor as the floor will become very slippery and dangerous 471 Fusing Heater Lamp 1 Remove the set screw ST3X6 1 pc from the F cover L 2 Remove the set screw ST3X6 1 pc from cover F cover L Fig 7 75 3 Pull the F terminal L of the fuser roller side toward you and release the fusing heater lamp 400W from the F terminal 4 Pull out the fusing heater lamp 400W from the inside of the fuser roller 5 Pull the F terminal L of the back up roller side toward you and release the fusing heater lamp 300W from the F terminal 6 Pull out the fusing heater lamp 300W from the inside of the back up roller VII 44 PR9831 1 Back up roller Fuser roller Terminal L Fuser Lamp 300W Fuser Lamp 400W Terminal L Fig 7 76 PRECAUTION Do not touch the surface of the heater lamp with your hands the small traces of oil you leave on the lamp will affect the
72. save mode the display shows the next sub setting menu as follows 7 You need to set the time out from 1 to 99 minutes with the scroll buttons The factory setting is 30 minutes Note The time out is the duration after which the fusing unit of the print engine is turned off to Save power V 3 2 3 Line Test Mode This mode tests the following items TRAY 1 CHECK Displays the paper size of the upper cassette Tray 1 TRAY 2 CHECK Displays the paper size of the lower cassette Tray 2 FLASH CARD1 R W TEST Check delete import export read write on Card 1 ID FLASH CARD2 R W TEST Check delete import export read write on Card 2 ID MIO TEST Checks that the installed MIO card is initialized Procedure Note If any errors occur during the following procedures an error message appears By pressing the Continue button it is possible to proceed with the tests 1 Install flash memory cards 1 amp 2 and an MIO card into the printer 2 Turn on the power while holding down the A button When the message below appears release the A button 3 Press the Set button to make the printer start the self test 4 Press the Continue button to implement the LCD TEST Check that the LCDs are all displayed correctly and none of the dots have dropped out Also check that the LEDs are all on 5 Press the Continue button to implement SW TEST The LEDs are all off and then t
73. shown in Fig 4 17 iv The transfer drum rotates by contacting and synchronizing with the OPC belt Transfer Drum Aluminum Rubber Fig 4 17 IV 14 2 First Transfer Process Refer to Fig 4 18 i The OPC belt has been through the development process and contacts and synchronizes with the transfer drum ii The OPC belt has been biased to the potential of CBV V The potential of the transfer drum is nearly GND Toner on the belt is moved onto the transfer drum due to the difference of potential between the OPC belt and the transfer drum iv Toner that has been developed by each color in sequence is moved from the OPC belt onto the transfer drum and the color toner images overlap on the transfer drum v Upon completion of the drum transfer process the complete toner image is transferred onto paper in the paper transfer process Residual Charge OPC Belt Residual Toner Belt cleaning discharging Drum transferring Erase Lamp Fig 4 18 IV 15 Belt Discharging Erase Lamp The belt discharging process means that upon completion of the drum transfer process an LED light is radiated onto the OPC belt prior to mechanically cleaning the belt to discharge the residual charge 1 Structure of Erase Lamp The erase lamp is located as shown in Fig 4 8 ii The light source of the erase lamp is 24 light emi
74. the ozone filter The toner of the color indicated XXXX is Replace the toner cartridge which has nearly run out nearly empty FUSER OIL LOW rine ol powers Replace with a new one almost empty cleaner REPLACE OPC BC Change the OPC belt with new one cartridge REPLACE FUSER 22 ine fusing Replace with a new one Change the drum cleaner paper discharger and transfer roller up Replace with a new one ER Replace with a new one Replace with new ones VIII 4 Press the Continue button to start printing the next page Data which overran the print area on the page cannot be printed Check your page protection setting with the Mode button Setting page protection to the correct size could solve this problem If printing at 600dpi you may need to add optional SIMM memory Press the Continue button to resume printing Data lost in buffer overflow cannot be printed Press the Continue button to resume printing If the same error should occur after you press the Continue button turn off the printer Wait a few seconds then turn it on Work memory again Reduce the input EMORY FULL overflow buffer size Turn off KEEP PCL Add SIMM memory with printer power off Download font and the fonts saved in the HDD card might cause the error for these occupy the same work area as the RAM Memory expansion is
75. transfer drum is greater than VR V of the OPC belt vi The OPC belt is discharged by the erase lamp Process Charging Process Exposing Process Developing Process Transfering Process 5 Cleaning Erase Power Supply for OPC Belt Bias Power Supply for Charging Power Supply for Mag Roller Bias Remain voltage on the OPC Belt CBV Fig 4 10 IV 9 1 1 3 Details of Each Process Charging The charging process ensures that the OPC belt is evenly charged by the charger system 1 Structure of the Charger Unit Refer to Fig 4 8 and Fig 4 11 i The charger unit is located as shown in Fig 4 8 ii The charger unit consists of the case corona wire and grid The charger unit charges the belt surface to the potential V V with the corona charge iv The charger unit has the grid controlled to the constant voltage ZD V for even charging 2 Process of Charging Refer to Fig 4 12 i The status of the OPC belt surface before charging is CBV V ii The charger unit charges the OPC belt surface evenly to V V by generating a negative charge Grid Corona wire Fig 4 11 Cleaning Blade Charging Fig 4 12 IV 10 The exposing process means that the OPC belt surface is exposed to the laser beam to form an electrostatic latent image 1 Structure of Scanner Unit i The scanner unit is located as shown in Fig 4 8 ii The source of the laser beam is a semiconductor lase
76. waste toner feeder unit control fan upper cover side cover L and upper side cover v Re install the drum cleaner and cleaner cover P d Transfer Drum Be sure not to damage the surface of the transfer drum with a vacuum cleaner when cleaning the areas around the transfer drum Be sure not to contact the nozzle of the vacuum cleaner with the terminals of the interior Failure to do so will cause damage to the electrical parts in the printer It is recommended to ground the nozzle of the vacuum cleaner by using the earth wire 4 Paper cassette Paper Cassette ede i Remove the paper cassette from the printer and remove paper from the cassette EN ii Vacuum paper dust in the paper i cassette iii Reinstall the paper cassette la 6 6 Packing 1 Re install the fusing unit into the printer i After setting the fusing unit in place lightly press down the unit to firmly connect to the connector on the base ii Tighten the securing screws while pressing down the fusing unit Check the metal hook of the screw at the left hand secures the fusing unit correctly Close the rear access cover and top cover 2 Check the following items are packed in the starter kit packing OPC Belt Four toner cartridges K Y M C d OPC belt cartridge Oil bottle Fuser cleaner Refer to the figure as shown on the right Put the printer into the polyethylene bag
77. 0 17 2 175 dots 3 150 dots 2 075 dots 3 050 dots 104 8mm 241 96 34 232 8 4 125 9 5 3 785 9 16 1 237 dots 2 850 dots 1 137 dots 2 750 dots 110 1mm 221mm 101 64 211 5mm 4 33 8 66 3 99 8 33 1 299 dots 2 598 dots 1 199 dots 2 498 dots Note that the paper sizes indicated here should conform to the nominal dimensions specified by JIS A4 paper must accommodate 80 characters printed in pica pitch 203 2 mm The dot size is based on 300 dpi resolution 1 6 2 Print guarantee area Plain paper 5 Other 10mm Non printable area Print guarantee area Non guarantee area Paper 4mm Other 10mm lt Envelope gt Non printable area Non guarantee area Print guarantee 42mm area 16mm gt COM10 68mm COM10 68mm DL 40mm DL 40mm 2 4 5 Paper Feed Jam Rate Less than 1 misfeed per 2000 pages under normal environmental conditions Less than 1 misfeed per 1000 pages outside the normal environmental conditions Note These figures are based on the paper whose specification is recommended For the recommended specifications refer to Section 2 4 3 of this chapter 11 7 3 ENVIRONMENTAL CONDITION 3 1 Ambient Temperature Humidity Altitude 1 Humidity RH Ambien Ambient Humidity RH Under Operational conditions
78. 1 Paper Exit Sensor IOD1 PCB Heater Fan HTFANERR 13 DCN11 IOD1 PCB Belt Sensor IOD1 PCB Oil Sensor IOD1 PCB Drum Paper Jam Sensor sov s uvi 9 14 PCB IOD1 20 pins DCL C ON P 3 4 5 PSL KY ON P PSL MC ON P 7 19 n 2 13 14 15 16 17 18 15 ECN17 IOD2 Developer Clutch Y DCL Y ON N 16 ECN16 IOD2 Developer Clutch DCL M ON N 17 ECN14 1002 Developer Clutch C DCL C ON N 18 ECN13 IOD2 Developer Clutch DCL K ON N 68 19 IOD2 Developer Solenoid 8 GHPSEN2 9 SND 20 ECN9 IOD2 Fuser Clutch 21 ECN11 IOD2 Cleaner Clutch 22 ECN6 IOD2 Ozone Fan 23 ECN7 IOD2 Registration Clutch 25 ECN10 IOD2 Cleaner Solenoid 31 ACN3 Power Supply Unit MCTL 32 ACN2 Power Supply Unit 26 ECN8 IOD2 Transfer Solenoid Interlock Switch 2 pins 33 Fusing Unit MCTL PCB POCN pins 27 5 1002 Paper Feeding Clutch 28 ECN12 IOD2 Main Motor 34 BCN2 High Voltage Unit Fusing Unit 4 pins efso 8 MMENC 0 85 DCN15 IOD1 Cleaning Roller Sensor 29 ECN15 1002 Developer Motor s soND s N S DMREV N 69 80 LCN MCTL LDU 20 pins 5 7 i0 n 14 15 16 17 18 19 IV 70 CHAPTER V C
79. 1 Implement the same clearance procedures employed for E2 error Note MM stands for OPC Belt Drive Main Motor Implement the same clearance procedures employed for E2 error 9 IHA Error Code D1 Name of Part Developer Clutch DCLY Check the Connector Y Is the connection between ECN17 of IOD2 and Clutch DCLY OK NO Connect the harness Is the harness of Clutch DCLY broken Connect the connector properly YES Is D1 Error cleared YES Finished NO Check the voltage at DCLY ON N y lt Does the voltage drop V between ECN17 3 and 2 82 YES Replace the clutch DCLY with a new one y Does the voltage jump f between ECN1 1 and ECN2 12 5 55 Replace IOD2 PCB with a new one Is D1 Error cleared Finished Replace current MCTL PCB with a new one Is D1 Error cleared YES Finished Re check from beginning of section MCTL IOD2 424V 1 Developer Clutch Y Error Code Name of Part Check the Connector Developer Clutch DCLM Is the connection between ECN16 of IOD2 and Clutch Connect the harness Is the harness of Clutch DCLM broken Connect the connector properly YES Y YES lt Is D2 Error cleared Finished NO Check the voltage at DCLM ON N Does the voltage drop
80. 1 of Chapter 3 Replace the drum cleaner with a new one 18 Toner Streak Phenomenon Brush mark line of uneven scanning density is caused in the image as shown in print sample 18 of Fig 8 2 Main Causes 1 Main blade of the developer unit and the reset roller is not normal 2 Location of the toner cartridge is not correct 3 Transport paddle in the toner cartridge is deformed 4 Brush mark line appears in the continuous printing of high coverage solid patterns Countermeasures 1 Replace the toner cartridge with a new one 2 Temporarily suspending the printing agitate the toner cartridge and stabilize the replenishment of toner VIII 52 1 19 Mottle Phenomenon Variation of the scanning density is found in the image as shown in print sample 19 of Fig 8 2 Main Causes 1 The transfer unit is not fixed in place 2 Assembly of the transfer roller is inaccurate 3 THV output of DC high voltage unit is not normal 4 Failure of the toner cartridge 5 Deformation of the print paper Countermeasures 1 Confirm that the transfer unit is firmly locked in place 2 Confirm that the transfer roller is properly installed 3 Replace the DC high voltage unit with a new one See Section 4 3 2 of Chapter 4 Replace the toner cartridge with a new one 5 Replace the paper with new paper from a freshly opened ream 1 20 Residual Image Phenomenon Image of the preceding page appea
81. 2 PCB 2 Remove the outer plastic C ring from the shaft 3 Pull out the fuser clutch from the shaft 4 1 5 Drum Cleaner Clutch FBCL 1 Remove the connector 1 pc from the IOD2 PCB 2 Remove the outer plastic C ring from the shaft 3 Pull out the drum cleaner clutch from the shaft VII 9 Fuser clutch ite m C ring d Cleaner clutch 4 1 6 1002 PCB with base 1 Disconnect all the harness connectors 13 pcs connected to the IOD2 PCB 2 Remove the set screws ST3X6 2 pcs from the IOD2 PCB base 3 Remove the IOD2 PCB with base from the main body PRECAUTION When handling the IOD2 PCB take care not to cause electrostatic damage to the PCB Fig 7 11 VII 10 4 1 7 Developer Drive Motor DM CAUTION Take care not to stress the motor drive PCB when removing the connector or handling the motor PCB assembly 1 Remove the connector 1 pc from the developer drive motor PCB 2 Remove the set screws ST3X6 4 pcs holding the developer drive motor to the developer drive unit 3 Remove the developer drive motor Developer Drive Motor Fig 7 12 4 1 8 Main Motor MM 1 Remove the connector 1 pc from the main motor PCB 2 Remove the screws ST3X6 4 pcs holding the main motor to the mounting plate 3 Remove the main motor from the mounting plate 4 Remove the screws ST3X6 3 pcs holding the mounting plate 5 Remove the mounting plate Mount
82. 3153 xe1 9 00 005 058 gt 4 108 B 2 8C IO4RN 12B FCADROO Ao CABO 07 050 8 R 120 CSRSYN ________1 56 scics x 0GF USBDP PU 34 193 8 R7 49 DBINT 2 PSTESTIKT x 12B FCADROI 07 050 x 06C 06 USBDN RSTN RESETN lt 07 gt DEBUC C61 PH 19 21 8D RDARN MIOARN 26 266 tCN3 2 8B BUSDIR BUSRDN lt 501 gt 57 CET 1 91 5 GND 2 s01 41 09 2 06 06 07 02 lt 02 gt 017 0702 07 100 lt 03 gt 017 0702 07 100 s04 07 07C 07 100 lt 05 gt 7 7D 07 100 lt 06 gt 016 gt 03 0245 07 01 056 01 x 6B UK391302 B48K299CIR 2 7 Appendix 3 Main PCB Circuit Diagram 3 7 1 2 3 2 8C CSROMNO 2 8C CSROMNI 2 8C CSROMN2 5 5B ROMOEN 2 8C IOWRN 1 5H ADRIQ2 271 16M lashROM 16M MaskROM 32M F lashROM 32M MaskROM 1 12G DATAIOO 311 1 5H ADRIGe 271 2 9F ROMWR 1 23 32000 12 22 31 12 CE CE OE 0E vss 55 14 00 DATAQ1 DATAO2N DATAOSN 4 lt DATAOSN 7 DATAOEN D TAQ7N 15 D TAOSN 17 DATAOSN 19 DATAION 21 11 24 12 26 _DATAI3 28 14 DATAIS 2 KM23C32000A 12
83. 4 Pack the printer the starter kit packing the waste toner pack and power cable in the carton using the original packing material 5 Seal the outer carton firmly Waste Toner Pack i 6 Fix the four joints then band the Band carton with two plastic bands Joint Joint gt 7 Hidden Function Menu 1 Hold down the key and turn the printer ON LINE TEST DRAM CHECK START npe LCD TEST SWITCH TEST t SENSOR TEST 1 RAM SIZE TRAY 1 SETTING TRAY 2 SETTING PCMCIA 1 TEST I POMCIA 2 TEST MIO TEST exit to ONLINE exit to ONLINE NV RAM CLEAR ROM RAM WAIT SET LEE SURE SET ELSE exit to ONLINE CARD CART SEL WAIT LEVEL 4 exit to ONLINE All LCD segments turned ON Press switches to check operation on LCD Shows installed RAM size Shows current Tray 1 size Shows current Tray 2 size if installed Test PCMCIA card if installed Flash card only not ATA card Test PCMCIA card if installed Flash card only not ATA card Test MIO card if installed DRAM test mode NV RAM clear ROM RAM wait setting 0 to 15 2 Hold down the following key combinations and turn the printer ON keep the button s pressed until the display changes prog date press CONTINUE key prog time font date font time version EngVer LDA VX X FORM FEED LANG ENGLISH LANG FRANCAIS m SPRAC DEUTSCH m
84. 4 5 1 Media Cassette Base Cover R 4 1 2 Fig 7 1 Rear View gt Cleaner Cover Upper Side Cover LU 4 2 9 Side Cover L 4 2 3 Rear Cover U 4 4 1 Controller Box Rear Access Cover L 4 6 1 Base Cover L Rear Cover R and 4 3 7 Fig 7 2 VII 3 2 2 Circuit Boards PCBs Erase Lamp 4 2 12 Panel PCB 4 2 2 IOD2 PCB High Voltage Power Supply HVU PCB 4 3 2 IOD1 PCB 4 2 6 MCTL PCB 4 3 1 Video Controller PCB DC Power Supply LVPS PCB 4 3 8 2 3 Motor Units Ozone Fan 4 1 15 Fuser Fan Main Motor Developer Drive Motor 4 1 7 Scanner Motor 4 5 2 VII 4 2 4 Clutches and Solenoids Drum Cleaner Solenoid 4 1 12 Fuser Clutch 4 1 4 Drum Cleaner Clutch 4 1 5 Transfer Solenoid 4 1 14 Registration Clutch 4 1 3 Paper Feeding Clutch 4 1 9 Developer Clutch K Developer Clutch Y 4 1 10 1 Developer Clutch Developer Clutch Developer Solenoids Fig 7 5 VII 5 2 5 Sensors Temperature Sensor Thermistor Cleaning Roller Sensor Paper Exit Sensor 4 4 3 446 Oil Sensor 4 2 14 Interlock Switch Top 428 Toner Detecting Sensor Belt Sensor 4 1 16 4 3 9 AH Interlock Switch Interlock Switch Front Rear 4 2 15 4 3 8 Developing Photo Sensor Drum Encoder Sensor 4 3 4 Waste Toner Sensor 4 1 17 OHP Sensor 4 6 5 Paper Feeding Sensor 4 6 6 Pap
85. 808 ttir 38 DATAOS8 122 17 DATAOS 133 16 12 1441 15 DATAI1 1Sit 7138 12 43 ire 58 poo 42 Sl AA 07 DOIN ADRS 1924 40 41 I5 003 15 R14 ADRA N As 37 1044 7ALCX245 F 5v R13 36 2l 17 105 3 ADRE m ADRT 35 3 Ig 206 ADRB 34 4 5 207 ADRS 32 18 D08 31 eI 17 DOS DATAI6 ADR1O 3 6 110 ADR11 29 A 5 Dii ADRI2 21 1tY Y 112 ADR13 26 2 113 ADR 14 MAN ADRI5 25 J ig Di4 33x4 ADR16 24 4 5 115 173 16 DATA22 21 te 116 184 15 DATA23 al 17 DIT 19 3 lg 218 17 R9 0 18 4 5 119 TALCX245 5V ADR20 RB 16 112 348 D20 20 ADR21 15 2 17 Del C24 ADR22 104 14 3 16 De2 ADR23 ADR24 13 4 5 D23 11 124 DATA24 pee 10 17 Des ADR26 ADR27 E 3l 16 226 DATA26 N 8 Al 1 027 DATA27 AACN AAT 16 DATA 14 15 15 Jo 4 21 16 DATAI8 33x4 1441 15 19 Sth 48 DATA2 162 17 DATA21 RA23 Ino o oo 00 311 lt s 2 gt 0100 311 lt s gt 92 271 lt 01 gt lt 01 gt 02 01 gt 02 01 03 0 03 026 06 04 2 07 020 lt 02 gt 02 036 03 026 04 016 05 014 lt 03 gt 02 03 2
86. ADRO2 25 ADRO3 24 A4 23 ADROS 22 42 DROG 21 4 ADR 22144 19 je AS ADRII 7 lig ADRi2 6 9 AWi3 Amid 4 MRIS 315 ADR G ADR17 1 481415 ADR19 17 A17 ADR20 16 A18 01 062 003 094 Des 096 07 108 009 0618 0611 0012 0613 0014 0615 1 37513 5 27 46 10 29 DATAOD 31 01 33 DATA 2 35 DATAO3 38 04 40 5 42 6 44 DATAOT 08 38 X DATAGS 10 36 11 39 2 41 DATA13 43 DATAI4 45 DATAIS ES 29 8001 90 29 33 DATA I8 35 DATA1S 38 _ DATA2Q 40 2 42 22 44 DATA23 30 24 34 DATA26 36 _ DATA27 39 _ DATA28 41 DATA29 43 DATA30 45 11 12 CODE UK391303 NAME B48K299CIR 3 7 Appendix 4 Main PCB Circuit Diagram 4 7 1 2 2 05 05 SOENO 05 048 SWENO 05 048 SRASNO 5 6A SCASNIO 31 20 M5M4 1705CJ 6 1 14 1 ycc yss vss 13 yss 26 22 22 9 LI scas d 23 25 9 DATAOQ DATAI6 00 9 1 01 DATALA 10 MAAGI 12 3 2 11 24 DATAO DATA 15 MAA 2 11 12 1704 25 DATA T N MAAQ3 12 4 15 4 15 N 4 15 16 MAAQS 16 MAA
87. AL NO YEAR Location A 3 2 DIAMETER CIRCUMFERENCE OF ROLLERS The diameter or circumference of each roller is listed below OPC Belt 880 mm 1 2 3 4 5 7 10 11 4 18 56 52 20 62 80 40 125 60 121 379 94 32 mm 100 48 mm 32 mm 100 48 mm 25 mm 78 50 mm 18 mm 56 52 mm 13 5 mm 42 39 mm 16 mm 50 24 mm 3 SHELF LIFE OF EACH CONSUMABLE Each consumable follows has its own shelf life Shelf life varies whether the package of consumable is unpacked or not Before unpacking 1 After unpacking 2 Toner cartridge all colors 3 years 1 year OPC belt cartridge N A 1 year N A Note 1 It means that the consumable life is 1 year if it is stored for 2 years 2 Even though shelf life is one year after unpacking the consumable life will be getting less than one year if it is stored more than 2 years before unpacking A 5 4 CONSUMABLES REPLACEMENT Each consumable follows should be replaced according its own life 1 Toner Cartridge Life 10 000 pages 6 000 pages Condition Above figures are based on 5 coverage Life is detected by the toner empty sensor Note Life of the starter toner cartridge is half of the above figures 2 Cil Bottle Life 12 000 pages Condition Life is detected by the oil empty sensor 3 Waste Toner Pack Life 12 000 images Condition Above figure is based 5 cov
88. Adjustment of the developer bias voltage against the reference value 0 zero in the range 4 and 44 Note Do not perform this mode frequently Description of Procedures LCD Message 1 Press the Continue button after selecting Screen a NVM TUNE UP a gt b 39 FACTORY MODE After selecting DBV TUNE UP Code 3 press NVM TUNE UP the Continue button b After selecting the color to be adjusted press b 45 NVM TUNE UP the Continue button Ex Magenta No lt 123456789 gt c gt d The adjustment value can be adjusted in 8 45 DBV TUNE steps between 4 and 4 Y M C K After selecting a given number press the Continue button d 45 MAGENTA Press the Font button to finish the adjustment lt 432101234 gt work for Magenta d Repeat steps 3 to 5 for each color 45 DBV TUNE Press the Font button to finish the DBV Y M C K adjustment work e 5 f 45 NVM TUNE UP No lt 123456789 gt V 34 CBV TUNE UP This mode should be used when image defects attributed to the OPC belt need to be improved Adjustment is to alter the belt bias voltage against the reference value 0 zero in the range 4 to 4 Note Do not perform this mode frequently Description of Procedures LCD Message 1 Press the Continue button after selecting Screen a NVM TUNE UP a gt b 39 FACTORY MODE After selecting CBV TUNE UP Code 5 press
89. E CONTROLLER MODE This section describes the operation and setting procedures for each engine test in the Engine Controller Mode In order to go into the Engine Controller Mode turn on the printer while holding down the Mode Set and buttons 3 1 Configuration of Operational Mode This printer has the various functions as set out in Table 5 2 for the user to easily understand the operation status of the printer engine during maintenance work 1 Normal Mode After removing the main PCB from the printer and pressing the On Line button under the Engine Controller Mode the printer goes into the Engine Normal Mode This mode provides functions to indicate the operation status of the printer and also messages relating to normal operations which the operator is controlling Note Be sure to remove the main PCB before the printer goes into the Engine Normal Mode If you fail to do so the printer goes into the sleep mode 2 Service Mode After turning on the printer in the off line status the printer goes into Service Mode This mode is a unique mode for the serviceman only and provides additional functions codes 31 through 37 to confirm the operational status during maintenance work and 39 FACTORY MODE to confirm and set the operational status of the main components Table 5 2 Turn on the printer while pressing the Mode Set and W buttons r Normal Mode READY Ready LED OFF On Line LED ON WAIT Ready LED BLINKIN
90. EOUT ON MIO JOB TIMEOUT SEL TIMEOUT ON TIMEOUT OFF MEMORY DEBUG MEMORY DISPLAY MEMORY TEST exit 4 Go off line and press the following keys simultaneously CONT SEL TEST PATTERN A H G H K2 STRIPE exit TRAY COMMAND MODE COM NORM TRAY COM SPEC PRINT BLANK PAGE FONT SELECT PAPER amp TRAY SIZE PARALLEL MENU Exit the hidden function menu Test pattern print select LJ4 compatible LJ3 compatible Prints 5 blank pages ALL SETTINGS WITHOUT DESCRIPTIONS ARE DESCRIBED PREVIOUSLY IN THE DOCUMENT A 23 RS 232C MENU REPRINT ON OFF ROM DATE DISPLAY AUTO HRC ON OFF APPLETALK AT PS PS BINARY SELECT PS QUOTE BINARY PS APT MODE PS IMAGE MASK PS CEIL MODE PS STATUS ECHO PROTECT OFF MODE r PRO OFF AUTO PRO OFF NORMAL HP ESC E COMMAND HP ESC E RESET HP ESC E F F PS 300 RESO NO IF 2M FORCE COPY PAGES COPY COPY PAGES OFF Virtual page protect process Controlled as open menu Normal reset FormFeed only A 24 PANEL RESET MODE RESETzZNORMAL RESET JOB NV RAM CLEAR TEST MENU LINE TEST ENGINE TEST SINGLE TEST PRINT REPEAT TEST PRINT DRAM CHECK START DRAM ADDRESS FLASH CARD CHECK FLASH CARD exit TEST MENU exit MENU Exit the hidden function menu A 25 8 PR99010 TO INSTALL THE PRI
91. FF DTR signal is used to show printer status DTR is kept high except when printer is off line XOFF TIMING NORMAL Reprint job by form feed key press enabled Reprint by form feed key press disabled Reprint page by form feed key press enabled Display the rom date DRAM check mode Exits to ONLINE A 21 DEMO PAGE ON OFF DEMO PAGE ON EMO PAGE OFF DEBUG MODE MENU PANEL DEBUG SELECT BYPASS MODE SEL ON OFF PRINT DEBUG SELECT OFF CRS OUT IN VF XO XI C H exit DEBUG BYPASS MODE OFF BYPASS MODE ON APPLETALK AT PS APPLE TALK PS APPLE TALK AUTO FLASH CARD CHECK CARD 1 1I CARD 2 exit FLASH CARD CHECK 2 CARD 1 CARD 2 exit PS BINARY SELECT PS BINARY ASCII PS BINARY BIN PS QUOTE BINARY PS QUOTEBIN OFF PS IMAGE MASK PS QUOTEBIN ON PS IMAGEMASK OFF PS IMAGEMASK ON MIO RESTART MODE 1 MIO RESTART OFF RESTART ON Display demo page menu in the LCD messages Disable demo page menu Divert Epson amp IBM emulation data received on the Parallel or MIO port to the serial Interface Emulation will be changed to PS when Appletalk is used Emulation will stay in Auto when Appletalk is used Flash rom card test modes Default CTRL T CTRL C etc are effective Binary data can be printed CTRL T is not effective OS 2 users only Restart MIO at timeout A 22 MIO TIMEOUT MODE MIO TIM
92. G 02 PRINT Ready LED OFF CHK MEDIA Ready LED ON NO MEDIA NO TRAY REPLACE TONER CHECK FUSER OIL CHK CLEANING ROLLER CHECK WASTE TONER PACK MISPRINT ALIGN TONER CG ALIGN FU UNIT ALIGN FUSER CL ROLLER ALIGN BELT CG MEDIA JAM CLOSE PANEL FRONT CLOSE PANEL TOP CLOSE TR UNIT 19 SLEEP MODE Y SERVICE CALL Ready LED ON Service Mode TEST PRINT On Line LED OFF NEXT CARE INFO CASSETTE TYPE 2 3 4 5 16 17 18 13 19 FACTORY MODE MARGIN ADJUST LIFE PERIOD SET NVRAM TUNE UP LP TUNE UP NVRAM INITIAL THV TUNE UP TOTAL PAGE SET EACH IMAGE SET 3 2 Operation of Normal Mode Normal Mode displays on the control panel the operational status of the printer when in the ONLINE state and the necessary information for the operator to implement ordinary maintenance work Operation Procedures 1 Press the power button to turn on the printer while holding down the Mode Set and buttons Refer to Fig 5 1 2 Press the On Line button so that the printer is on line and the Ready LED starts to flash 3 The Ready LED lights approximately 250 seconds after power on and the printer is ready to print Normal Mode See Table 5 2 for details of indications available in normal mode LCD Message Description of Message The Ready LED is lit The engine has completed the warming up process an
93. HAPTER VII DISASSEMBLY CONTENTS CHAPTER VII DISASSEMBLY ees VII 1 1 BEFORE STARTING DISASSEMBLY VII 1 1 1 I ibo VII 1 La ot DISaSSembly ense euet i VII 1 ec VII 3 Ed imb ceramic p a ou EI iu M cei idm bin dd ei HE VII 3 PoS ad OBS osi pd rp p a nd v Aa ATO OI a URS VII 4 2 3 M eR E TE T o DET VII 4 2A aR EEE VII 5 ISOS T M A VII 6 S DISASSEMBLY edi EP EU VII 7 4 DISASSEMBLY PROCEDURE VII 8 maeror diua meet M d VII 8 T VII 8 Ale Bae Pour Maana n Gad Gate VII 9 Z4 3 Registration NEG ist ette Livi tere ibn VII 9 a8 CEM TEIG estu sisted etapa piste VII 9 2 1 5 AS re CIC eus pet t EE ec SER diae d ieu qu VII 9 FOB Win pae G isinir eenia Nnn Enr irira VII 10 2L Developer Divs Motor OM a T VII 11 20 9 Mam E 11 81 8 Paper Feeding gt niodo det eu VII 12 24 10 Developer Cuteh K Y VII 12 41 11 me IU VII 13 Drum Cleaner Solenoid FBSOLJ ets
94. J S Clips Fig 7 31 Fig 7 32 VII 20 4 2 8 Interlock Switch Top Paper Exit Unit 1 Remove the set screw BT3X8 1 pc and remove the switch base from the control fan case 2 Remove the interlock switch from the switch base CAUTION Since the interlock switch is an important safety item after installation confirm that the switch operates correctly Switch base Control fan case Interlock Switch Fig 7 33 4 2 9 Drum Cleaner 1 Push the two hooks on the cleaner cover rearward to release them and remove the cleaner cover 2 Remove the drum cleaner by pushing the handle backwards until it releases from the contacts at the left and right hand ends then lift out the drum cleaner assembly Fig 7 34 VII 21 4 2 10 Waste Toner Feeder Unit Belt Sensor PBS 1 Remove the set screws ST3X6 2 pcs from the waste toner feeder unit Remove the waste toner feeder unit complete with the belt sensor 3 4 Disconnect the connector 1 pc to the belt sensor Remove the belt sensor from the waste toner feeder unit Belt Sensor Waste toner feeder unit Fig 7 35 4 2 41 Transfer Drum 1 Open the rear access cover 2 Protect the surface of the transfer drum by covering it with paper 3 Push the transfer drum up and forwards from the transfer unit side Refer to Fig 7 36 4 Release the transfer drum from the shaft supports 5 Pull up and remove the transfer d
95. MCIA PCMCIA 20 2 2 12B FCENN R vcc er cse Upper Slot Lower Slot 2 4 1 12 DI00 311 2 1 4 _ x u41 pis XLAL DIS Reo IN 014 40 214 INL Biss p13 XL39 D13 nic B2 13 IN 012 012 2 XL37 4 15 lt Ht uss XL66 018 5 16 N Hi ues ns XLes D9 Bel 17 IN 164 08 18 IN 5 D7 XL6 D7 Hus 6 515 06 IN D5 XL4 105 N txu m XL3 L2 D3 N Hf ua2 pe XL32 D2 N Ht u31 D1 XL31 DI u30 00 X L30 D 5 U17 vcc XL17 vCC ES XL51 vcC u1 GND 11 GND U34 GND 51 34 CND 35 CND 135 GND use CND avo 168 GND lis No Connect 1 18 1 No Connect 5 052 2 2 No Connect 5 152 2 Vpp2 No Connect 145 4 72 74 10Kx4 1 4 R146 4 7 5 2 12C REGO gt U6 REG 2 12C L61 REG 2 12C CARDRST ___________ _ 5 058 RESET RESET 2 12C CARDRST1 L58 RESET RESET 2 12B CDMRDN L us oE 2 12B CDMRDN L9 0 Q2 12B CDMWRN L5 015 Used 2 12B CDMWRN L15 WE PGM Used 2 12B CDIORDN
96. NABLE THE CORRECT VALUES TO BE RESET USING FUNCTIONS 47 AND 48 Note Do not perform this mode other than when replacing the MCTL After performing this mode be sure to set the LP TUNE UP value to 3 Description of Procedures LCD Message 1 Press the Continue button after selecting Screen a NVRAM INITIAL 2 b 39 FACTORY MODE NVM TUNE Select YES if NVRAM INITIAL should be executed If not select NO Press the Continue button so that the RAM INITIAL will be executed All the data will be cleared b 46 NVRAM INITIAL YES NO For the RAM data setting information refer to 39 FACTORY MODE Section 3 4 5 Initial Setting of NVRAM in DP CHECK this chapter TOTAL PAGE SET This mode can reset the number of total pages in the NVRAM whenever NVRAM INITIAL has been executed or the MCTL PCB is replaced Note Do not perform this mode other than when replacing the MCTL PCB Description of Procedures LCD Message 1 Press the Continue button after selecting Screen a TOTAL PAGE SET gt b FACTORY MODE TOTAL PAGE SE Use the Set or W button to select the desired digit 47 TOTAL PAGE 012345P SE Use the Shift button to input values to the selected blinking digit Upon completing the input of the values use the Set or W button to select SET displayed 39 FACTORY MODE on the LCD and then press t
97. NTER CORRECTLY Please read the installation steps described below carefully If the printer is not installed correctly image failures may occur or the life expectancy of the OPC belt cartridge may be shortened 1 Turn ON the power switch of the printer 2 After the printer has initialized open the front cover and then the top cover of the printer and pull up the OPC belt cartridge from the printer OPC Belt Cartridge 3 Measure the gap on the OPC belt cartridge shown in the figure below If the gap is in the range of 5 2 mm the printer is installed correctly PR99010 4 If the gap is NOT in the range of 5 2 mm check the following items Note If the printer is inclined at 1 as shown in the figures below the printer is approximately 9mm out of level from one side to the other i Is the printer inclined because the table the printer is installed on is unlevel ii Is the printer inclined because the table surface the printer is installed on is not strong enough Level PR99010 Is the printer inclined because it is installed across two or more tables iv Is there anything under the printer or is there something stuck to the printer base After checking these items initialize the printer again opening closing the top cover automatically initializes the OPC belt cartridge and measure the gap on the OPC belt cartridge again If the gap i
98. ONTROL PANEL OPERATION CONTENTS CHAPTER V CONTROL PANEL OPERATION V 1 EPANEE LAY OU quad UD FRU NP UP DM DUE V 1 2 VIDEO CONTROLLER MODE V 2 zd Gonfg raton ot Operational MOIS V 2 2 2 Toner Save Mode Power Save cater oer PR Ao V 3 e Le TestlViode 75 A TTA AA REA A 52220983 5834102881435 82 KA T8 SEFL223 S ADEM 00 V 4 per EGER METTE E CAN trent V 8 2 5 Program Versio Display MOOS V 9 PAG GE EM uU MS P EIU IUUD UE V 10 c INVSANIBeSOL 2 10 ENGINE CONTROLLER MODE V 11 3 1 Configuration or Operational V 11 do Operador cns OCG Fre rodea aub xci hdd Fre es eit FREI T9 EE LOU Ed 13 524 MOOD e V 19 2 4 Adjust pnit Work PEOCB UIGS quide ei rt dedi V 39 34 T Adusiment of Top and tar esee V 39 ot Engmne NV RAN Data uarie rich eorr dep pies roce pe e c V 40 3 4 3 Confirmation and Setting of Total Number of V 41 3 4 4 Setting of Number of Images fo
99. Process Control Laser Output Control Fuser Temperature Control Toner Sensing Control Interface Control Video Signal Control Panel Indicator Error Control To control the print process from the paper feed through to the paper exit To automatically control the laser output To control the fixer heater so that the temperature of the fuser roller and back up roller will be correct To control the sensing of the toner empty status To process the input and output signals to and from the external controller host To display the printer operational status on the control panel indicator To control the safety stop procedures when errors occur in the printer IV 27 8c AI Host Computer Cooling mM kb Scanner Control Fan Motor Panel i Belt Drum ATC 4 pcs Bi Sensor Sensor MCTL Engine Controller Controller Control Temperature Control Laser Control Video C Controller Toner Empty Sensing Control Control Panel Control Error Processing Program Cleaning Roller Sensor DC Power using Uni i Interlock Switches Paper Size Sensor Paper Exit Sensor OHP Sensor Paper Empty Sensor High Voltage Unit Paper Feeding Sensor O O O O 0 O Drum Jam Sensor Fig 4 28 Layout amp Function of the Electrical Parts 1 Print PCB Refer to Fig 4 29 To receive the print data from the host computer Video Controller c
100. Remove the waste toner sensor by removing the hooked pawl Waste Toner Sensor 4 1 18 Waste Toner Feeder L Note The waste toner feeder L is composed of plastic tube and auger spring gear unit 1 Remove the set screw ST3x6 1 pc to remove the waste toner feeder plate 2 Remove the plastic tube from the frame Plastic tube Waste toner feeder plate Fig 7 23a VII 16 PR99077 UTION Be sure to vacuum up waste toner remaining inside the plastic tube with a vacuum cleaner before removing the plastic tube 4 Remove the set screw ST3x6 2 pcs from the auger spring gear unit 5 Take the auger spring out of the frame then remove the auger spring gear unit from the printer inside Auger spring gear unit 54 Auger spring When removing the auger spring gear unit attach paper onto the transfer drum to prevent touching it Note e When removing the screws from the auger spring gear unit use the screw driver whose shaft is long enough to reach the screws If it is not available remove the transfer drum before removing the screws e When re assembling the auger spring gear unit into the frame fix the notch to the side frame and fix the boss into the hole of the base frame referring to the figure below Notch Auger spring gear unit Fig 7 23c VII 16a 4 2 Top of the Printer 4 2 1 Upper Side Cover LU 1 Open the top cover 2 Rem
101. S 16 17 17 17 MA Q7 18 MAAQ7 18 MAAQ7 18 19 19 19 9 21 MAAQS 21 21 MAAI 8 8 8 ms 14 4 3 5 4 1 7 5CJ 6 M5M41705CJ 6 M5M4 1705CJ 6 14 1 14 ycc VSS vss ycc vSS 28 GEE vss 25 224 mS 6 RAS ORAS SCASNO 1 234 CAS SCASN2 SCASN3 1 01 2 DATAQ4 9 Ao DATA28 Loa 3 DATAdS 3 TAIN E Me 1 03 24 DATAQ6 2 11 A2 1 4 25 03 12 MAAQ4 15 5 16 6 17 7 18 19 MAAQS 21 8 9 1 05 07 00 111 01 126 311 0 391304 B48K299CIR 4 7 Appendix 5 Main PCB Circuit Diagram 5 7 1 2 3 01 126 DATAIQO 311 00 111 04 010 SCASNIO 31 04 018 o 5V 0 100 111 T 104 2 9F CASNIO 31 Li o RE MAAQQ 00 17 2 17 MAAQ1 1 1 16 3 16 2 2 02 15_ 4 15 MAAQ3 MAAQ3 0 14 D du SCASNO MAAQ4 04 3 5 3 SRASN 4 014 R38 47 1 SOEN 04 02 L AAA SHENO 04 024 7 nange CASNO RASN 2 8C IORDN 2 9F RWEN MAA B 08
102. SE 1 PRODUKT 220V 240V 50 60Hz 4 0A BROTHER INDUSTRIES LTD 001 393 835 MADE IN JAPAN vi ABEE lt SHIPMENT OF THE PRINTER If for any reason you must ship the printer carefully package the printer to avoid any damage during transit It is recommended that you save and use the original packaging The printer should also be adequately insured with the carrier NCAUTION e When shipping the printer remove the toner cartridges the belt cartridge and the waste toner pack from the printer to prevent toner spill in the printer or damage of the toner cartridge and the OPC belt cartridge When shipping the printer remove the oil bottle and the fuser cleaner from the fusing unit After removing the oil bottle be sure to remove the oil remaining in the fusing unit with the supplied syringe Failure to do so will cause severe damage to the printer vii CHAPTER I PRODUCT OUTLINE CONTENTS CHAPTER PRODUCT OUTLINE 1 1 2 qun tdt td adidas dandi innate 1 4 2 INTERNAL STRUCT URE tenet l 6 4 DESCRIPTION OF CONTROL data tao ottima entran l 7 1 1 MEE COMMON GF MORE niiret M l 7 4 2 Engine Controller Mode CHAPTER PRODUCT OUTLINE 1 FEATURES This printer has the followin
103. TIAL lt Procedures of Setting gt 1 Before replacing the MCTL PCB confirm the contents of the NVRAM for the following items Factory Mode Top Margin Set Value Default in ordinary case Left Margin Set Value Default in ordinary case Life Period Set Value Default in ordinary case 2 Execute 46 NVRAM INITIAL in the Factory Mode 3 After implementing the NVRAM INITIAL input the values obtained in procedure 1 into the NVRAM to complete the settings V 42 CHAPTER VI PERIODIC MAINTENANCE CONTENTS CHAPTER PERIODIC MAINTENANCE VI 1 RETE E VI 1 VI 1 VI 2 1 1 2 List of Consumables for itia ren tras ea re oa a Cede ees VI 3 1 2 Maintenance PTT ODDO OO T S 4 1 21 Gleanna tha Register nep opino lt boi bare VI 7 122 Deanna tae Papen aul stet ird er de VI 8 122 Gleaning Paper Exit EOllBE uoi sesiistiesoi rd PETERE LEER FUE ISDE REE Rii AaS VI 8 124 Cleaning me e pha VI 9 1 2 5 Cleaning tho Paper Discharger 10 12 6 Cleaning the Bell Garttias nai iei eser sta tibecibD NI EE Hat VI 11 fe Transat DEUS ton FEM Sr tati eir VI 12 1 2 8 Cleaning the Dustproof Glass in the Sc
104. TOTAL PAGE NEXT CARE LIFE PERIOD Where this formula would result in a negative number the LIFE PERIOD should be temporarily set to a lower value so that the result is a positive number and then this number and LIFE PERIOD used to perform the CLEAR CARE to reset the NEXT CARE counter A 8 4 Re enter the FC ROLL NC2 value as follows i Enter the value of NC2 LP2 into the TOTAL PAGE counter i e NC2 LP2 12 050P 12 000P 50 Enter the value 50 in the TOTAL PAGE counter ii Perform CLEAR CARE 2 Refer to 36 CLEAR CARE in page V 24 of Chapter V iii Check that the value of NEXT CARE is reset to the recorded value in 2 iii i e NC2 2 12 050P 5 Re enter the BL UNIT NC7 value as follows i After calculating the values so that they work in the following formula IY IM IC IK NC7 LP7 enter each value of LP7 IY IM IC IK i e IY IM IC NC7 LP7 848 353 365 439 49 135 50 000 Since the above result is minus reduce the value of LP7 is 40 000P in order to make the result plus then enter it into the LIFE PERIOD SET counter in FACTORY MODE The formula is as follows IY IM IC IK NC7 LP7 348 353 365 439 49 135 40 000 348 353 365 439 9 135 Change the value of IK from 439 to 8 069 so that the formula works out 348 353 365 8 069 9 135 Then enter each value for 348 IM 353 365 and IK 8 069 in
105. This manual consists of the following chapters OUTLINE OF PRODUCT Features parts names internal structure and description of the control panel CHAPTER Ill SPECIFICATIONS Specifications etc CHAPTER Ill INSTALLATION Installation conditions and installation procedures CHAPTER IV STRUCTURE OF SYSTEM COMPONENTS Basic operation of the mechanical system the electrical system and the electrical circuits and their timing information CHAPTER V CONTROL PANEL OPERATION Operation and setting procedures on the control panel CHAPTER VI PERIODIC MAINTENANCE Description of periodic maintenance parts and procedures for periodic replacement and cleaning CHAPTER VII DISASSEMBLY Procedures for replacement of the mechanical system parts CHAPTER VIII TROUBLESHOOTING Description of error messages on the control panel troubleshooting image failure etc APPENDICES SERIAL NO DESCRIPTIONS ETC Information in this manual is subject to change due to improvement or re design of the product All relevant information in such cases will be supplied in service information bulletins Technical Information A thorough understanding of this printer based on information in this service manual and service information bulletins is required for maintaining its print quality performance and for improving the practical ability to find the cause of problems CONTENTS CHAPTER PRODUCT OUTLINE
106. V STRUCTURE OF SYSTEM COMPONENTS CONTENTS CHAPTER IV STRUCTURE OF SYSTEM COMPONENTS IV 1 1 BASIC IV 1 Ted PTE Sy SUS and Transier IV 6 e EID BON LL IV 7 1 1 2 Basis Structure ot the Printing Systems IV 8 Tio Deas ON Eae FRCS soa d asas Rata PRG IV 10 pesce i Ent IV 21 1 3 Paper Transportation SVSIOI IV 23 QE ITI Rf e IV 25 2 STRUCTURE OF THE CONTROL IV 27 IV 27 2 4 Electncal System and ETT FS isi GE FN IV 27 IV 36 ZI SOMONE te Fm FOS Soa mri Gier Pci rend tases IV 36 23 Man POB Video PB IV 46 OUN er IV 46 zoe Ut li O 47 58 Voltage Power Suppi Unii IV 61 zo MIB DIESES niae on agii pda rex rM Iud Pe d reditum rude IV 64 CHAPTER IV STRUCTURE OF SYSTEM COMPONENTS 1 BASIC STRUCTURE Mechanical amp Electrical Structures This laser beam color printer hereinafter called Printer consists of five mechanical systems Print Transfer Scanning Paper Transport and Control System The pr
107. VIII 2 OPERATOR CALL Video Controller Mode The Ready LED is lit and an applicable message appears on the liquid crystal display LCD in the following cases 1 Consumables require to be replenished 2 Waste toner pack is full of waste toner 3 Paper jam 4 Periodic maintenance 5 Maintenance work incomplete The above cases are not regarded as a breakdown and should be treated in accordance with Table 8 1 Table 8 1 Check the adjustment lever at the bottom of the upper No paper in the media media cassette and adjust to ECK XX TRAY cassette XX is the correct setting when the TRAY1 TRAY2 CHECK TRAY1 message appears Load a stack of paper into the cassette 12 COVER OPEN FRONT 22 Poveda Close the front cover 12 COVER OPEN TOP The top cover is open Close the top cover rear ver 2 COVER OPEN REAR Close the rear access cover Paper jam in the 13 JAM XXXXXX printer XXXXXX is Remove the jammed paper DRUM FEEDER from the indicated area INSIDE REAR 14 NO CARTRIDGE No toner cartridge in Install the requested toner XXXX COLOR the printer cartridge No media cassette Install the requested media Toner almost empty Remove the toner cartridge Another 50 pages rock it several times by 45 may be printed The and install it again or replace Alarm LED is lit the the toner cartridge with a new same time one Incorrect size of paper in the media casset
108. a cotton cloth clean the transfer roller Transfer Roller Transfer Unit Fig 6 4 NEVER use alcohol or similar solvents for cleaning the transfer roller VI 9 1 2 5 Cleaning the Paper Discharger The paper discharger should be cleaned according to the periodic maintenance cleaning cycle set out in Table 6 3 Tools to Prepare 1 Cotton cloth 2 3 pieces 2 Cotton swab 2 3 pieces Cleaning Procedure 1 Turn off the power supply and unplug the power cable 2 Open the transfer unit 3 Remove the paper discharger unit Fig 6 5 Paper Discharger Transfer Unit Fig 6 5 4 Clean the discharger case housing with a cotton cloth 5 Clean the corona wire and the Cotton swab inside of the charger case with a cotton swab Fig 6 6 6 Re install the charger unit into the transfer unit Corona Wire Vinyl String Fig 6 6 e Do not break the vinyl string on top of the case when cleaning the discharger unit e Do not break the corona wire VI 10 1 2 6 Cleaning the OPC Belt Cartridge The OPC belt cartridge should be cleaned according to the periodic maintenance cleaning cycle set out in Table 6 3 N preca UTION Do not directly touch the OPC belt surface with bare hands or gloves If the belt is exposed for more than two minutes to a light source of 800 lux the belt may be damaged lt Tools to Prepare gt 1 Cotton cloth 2 3 pieces 2 Cleaning brush
109. ace the MCTL PCB BE IIIA L1 Beam Detecting Error Check the connection of the scanner unit connector Is the connector properly connected Are the connector LCN1 and LCN of MCTL properly connected YES Replace the scanner unit Is L1 error cleared ES NO Replace the MCTL PCB Connect the connector properly Is L1 error cleared YES Finished MCTL PD LDU Optical Unit Cou 65 Is the connector properly connected Replace the scanner unit Is L2 error cleared Replace the MCTL PCB Connect the connector properly lt Is L2 error cleared NO Finished Scanner Unit OV IIIA a Confirm the connection of the scanner unit connector Y Is the connector LCN3 properly connected m Is the connector properly connected Are the connectors or LCN1 and LCN properly connected d Connect the connector properly Is LL error cleared NO YES Replace the scanner unit YE Is LL error cleared S NO Replace the MCTL PCB or DC power supply LVPS YES Finished Scanner Unit 5 IMAGE FAILURE De SSS Registration VIII 41 244m m Fig 8 2 VIII 42 Mottle amp TPE Mottl
110. anner VI 13 129 Gleanna the Printer toas A 14 1 3 Periodic Maintenance Parts and Maintenance Cycle 15 2 PERIODIC MAINTENANCE PROCEDURES 5 neret 18 21 OPO Belt Gartigge eiia 18 22 Fusing Unit PREECE INTE s s erede etre VI 20 2 9 Roller Pep VI 22 2 4 Paper Discharger Unit Replacement VI 24 29 Drum Cleaner irata VI 26 216 OZONS HINGE Gad HS deri PET dap put aeri c Pr MEER a e UTD MES dE VI 28 2 7 Paper Feed Roller and Separator Pad VI 29 229 Transrsr Drom aad YET VI 30 CHAPTER VI PERIODIC MAINTENANCE 1 GENERAL 1 1 Handling Precautions Since this high quality laser printer is a precision equipment daily checking and periodic maintenance is indispensable to maintain the expected high performance The following is the list of important precautions amp action items for maintenance and periodic replacement parts 1 Refrain from any operation disassembly or modification that is not set out in this manual 2 When assembling or disassembling the
111. ansfer is located as shown in Fig 4 8 ii The transfer roller is normally kept out of contact with the transfer drum until the second transfer process starts iii The transfer roller is positively biased by the power supply THV iv The transfer roller is in contact with the transfer drum only in the second transfer process v Transported paper passes between the transfer roller and transfer drum 2 Second Transfer Process Refer to Fig 4 21 i Paperis transported and is synchronized with the transfer drum ii The transfer roller operates and is synchronized with the transported paper and is in contact with the transfer drum through the transported paper The transported paper passes between the transfer roller and transfer drum At this time the positive high voltage THV is fed to the transfer roller iv Negatively charged toner on the transfer drum is moved to the positively charged paper v The transported paper with the toner transferred to it is moved to the paper discharging process Paper Discharger Transfer Roller Q Transfer Drum Toner image VAC Power Supply for Paper VAC THV discharging 7 Paper THV Power Supply for Transfer ET Roller Bias Fig 4 21 18 Paper Discharging The paper discharging process is where the transported paper onto which the toner transfer has been completed is separated from the transfer drum by applying an AC charge to the paper 1 Structure o
112. aste toner feeder Toner drop p Transfer Drum Fig 8 9 2 Toner adhering to the developer roller drops on the OPC belt Countermeasures 1 Check the cleaning brush and waste toner feeder 1 1 Clean the perimeter of the cleaning brush installation location 1 2 Check if the seal is deformed or damage If there is any deformation or damage replace the waste toner feeder with a new one 1 3 Check if waste toner is stuck in the printer engine Remove the waste toner with a vacuum cleaner designed to manage toner 2 Remove the toner cartridge 2 1 Clean the surface of the developer roller 2 2 Replace the toner cartridge with a new one VIII 50 1 15 White Spot Black Spot Phenomenon White spots and black spots appear on the print as shown in print sample 15 of Fig 8 2 Main Causes 1 Foreign particles adhering to the OPC belt or transfer drum 2 The OPC belt or transfer drum is damaged 3 Foreign particles mixed in the toner 4 Foreign particles adhering to the transfer roller or local deformation of the transfer roller Countermeasures 1 Remove the OPC belt cartridge 1 1 Lightly wipe off the foreign particles adhering to the OPC belt using a cotton cloth 1 2 Replace the damaged OPC belt cartridge with a new one See Section 2 1 of Chapter VI 2 Open the transfer unit and check the transfer drum 2 1 Lightly wipe off the foreign particles adhering to the transfer drum using a cotton
113. below for preparation before commencing any work 1 Ensure that the power cable is disconnected from the power outlet 2 Remove all consumable parts OPC belt cartridge fuser cleaner oil bottle all toner cartridges ozone filter and the Main Video Controller PCB and then store them correctly before starting dis assembly N preca UTION Do not directly touch the OPC belt surface with bare hands or gloves If the belt is exposed for more than two minutes to a light source of 800 lux the belt may be damaged VII 1 Class Code BT3X8 BT3X12 4 8 BT4X10 Table 7 1 Table of Screw Sizes Used in the Printer Name of Screw M Thread Cross recessed head tapping screw m m S tight screw m Cross recessed head tapping screw Pan head Unique screw for heater connector VII 2 Cross recessed head screw with flange Cross recessed head S tight screw with flange Cross recessed head screw Pan head Size and Shape of Screw 8mm Remarks Sharp Used for plastic parts Used for steel parts fitted to Steel plates Used for frame and GND Used for the fusing unit connector Used for the fusing unit Used for the fusing unit Used for the fusing unit 2 PARTS NAME 2 1 Cover Front View Upper Cover Control Panel 4 2 5 Top Cover Paper Exit Unit 4 4 2 Power Button Side Cover R Front Cover 4 1 1 Front Cover Unit
114. cases 1 Consumables require to be replenished 2 Waste toner pack is full of waste toner 3 Paper jam 4 Periodic maintenance 5 Maintenance work being incomplete The above cases are not regarded as a breakdown and should be treated in accordance with Table 8 2 Table 8 2 5 No paper in the upper UPP LOW cassette lower Replenish paper cassette 11 CHK MEDIA Inconsistency of Chanae media UPP LOW media i 12 NO TRAY UPP Low upper lower Install cassette s media cassette REPLACE Toner Y M C K Replace with new toner Vien empty cartridge s 1 E 1 Waste toner pack full Replace with a new waste of toner toner pack Change the oil bottle Replace with a new oil bottle VIII 6 Display Messed 14 CHK CLEA Change the fuser Replace with a new fuser ROLLER cleaner cleaner Confirm status of media cassette Misprinting occurred Confirm correct paper size Confirm consistency of media 16 ALIGN TONER CG Toner cartridge not Confirm the installation of the Y M C K installed toner cartridge s Remove the fusing unit and refit it Confirm it is correctly installed Fusing unit not installed Remove the media cassette and remove paper jammed at feeding entrance Paper jam inside Open the transfer unit and printer remove paper jammed inside Open the trans
115. ce the low voltage power supply LVPS SS Replace the 1001 PCB Is E3 error cleared Is E3 error cleared Drum PH Sensor YES EN Finished Relay connector 5 1 2 HPSEN N SGND Error Code E4 Concerned Part Toner Sensor PCB LED side y Check the connection of the toner sensor PCB LED side connector Is DCN7 of IOD1 properly connected to the toner sensor YES Check the voltage LEDON N P Y LT lt Is the signal voltage between DCN7 7 and 9 a rising edge 24V Is E4 error cleared NO Replace the toner sensor PCB Is the signal voltage between DCN1 29 and 1 a trailing edge Replace the IOD1 PCB w YES 15 E4 error cleared Replace the MCTL PCB Connect them properly Toner Sensor P W B Error Code E5 Concerned Part Transfer Solenoid Check the connection of the transfer solenoid connector non Is ECN8 of IOD2 properly connected with a connector of the solenoid Is ECN2 of IOD2 properly connected with DCN9 of IOD1 Is DCN1 of IOD1 properly connected with 11CN of PCB Connect them properly Is E5 error cleared Finished yes Check the voltage TRSLON N P Y
116. connected to the heater fan Is of IOD1 properly connected with 11CN of PCB Is F4 error cleared Check the voltage HTFANON P NO Connect them properly Finished zen Replace the heater fan Is the voltage between DCN10 4 and 5 a rising edge Replace the IOD1 PCB cleared Replace the MCTL PCB YES Is F4 error Finished S IIIA Error Code F5 High Voltage Unit HVU Confirm the status of the charger unit Y iB Is the charger unit properly installed Re install the charger unit Is a corona wire cut or shorted Replace the charger unit or belt cartridge Confirm the connection of the high voltage wiring Is F5 error cleared Is there any contact failure of the high voltage CHV output terminal XES Correct the CHV contact YES Clean the socket part Is F5 error cleared y o Is there any contract failure or short of CHV socket Replace the high voltage HVU Finished Is F5 error cleared Replace the IOD1 or MCTL PCB YES Finished MCTL IOD1 HVU Charger Unit 96 Error Code HO wire cut short error of thermistor Concerned Part Fusing Unit Check the connection of the fusing unit connector Is the fusing unit properly installed Is there any contact failure due
117. cover 2 Remove the rear cover R 3 ce n Rear Cover R Fig 7 48 4 37 Power Supply Unit 1 Disconnect the harnesses 4 pcs connected to the power supply unit 2 Remove the power switch key 3 Remove the set screws ST3X6 2 pcs holding the power switch and metal bracket to the printer 4 Remove the power switch and metal switch bracket 5 Remove the set screws ST3X6 2 pcs holding the power switch to the switch bracket 6 Remove the power switch Power switch Power switch Metal switch bracket Fig 7 49 VII 30 7 Remove the set screw M4X6 1 pc complete with the shakeproof washer to release the earthing harness 8 Remove the power outlet from the frame Power outlet Fig 7 50 9 Remove the set screws ST3X6 2 pcs from the power supply unit frame 10 Remove the power supply unit complete with the frame The earthing wire is very important for the safety of users Upon replacement of the power supply unit confirm that the earthing wire green and yellow color is securely connected to the connector the shakeproof washer is fitted and the screw is tightly fastened VII 31 4 3 8 Paper Size Sensor PSU Note If the optional lower tray unit is fitted remove the left hand screw of the front cross rail to release the media cassette guide 1 Remove the media cassette 2 Remove the set screws ST3X6 1 pc
118. ct Error of Cyan and Magenta Toner Fusing Temperature 3 Error Heater Continuous ON Time Error Fusing Temperature 4 Error Heater Continuous ON Time Error Scanner Motor Error Note For further actions for the error messages described Table 8 4 3 refer to the flow charts later in this section VIII 13 Chart 8 4 Troubleshooting Description of Error Cause of Error 1 Failure of MCTL PCB NVRAM Error e CPU Clearance Method 1 Turn off and on the power switch 2 If method 1 does not work carry out the C3 Error Clearance Procedure EEPROM 3 Replace the failed MCTL PCB with a new one NO Does the error repeat after turning the power switch on and off The printer is OK YES Replace the failed MCTL PCB with a new one Does the error repeat after carrying out the C3 Error Clearance Method The printer is OK Code Description of Error Cause of Error CA Hard Error of MCTL 1 Failure of MCTL PCB Control Circuit Clearance Method 1 Turn off and on the power switch 2 Replace the failed MCTL PCB with a new MCTL PCB Does the error repeat after turning the power switch off an don The printer is OK YES Replace the failed MCTL PCB with a new one SHIHA Description of Error Cause of Error Clearance Method Process Timing Error 1 Power Feeding Failure 2 MM Failure 3 MM Input Circuit Failure
119. d is now ready to print 00 READY 1 Applicable paper feeder is indicated as follows UPP Upper Cassette LOW Lower Cassette a S Size of the paper loaded in the upper or lower cassette is indicated as follows LT Letter size DL Envelope EX Executive size Envelope Commercial 10 LG Legal size FR Free size A4 4 size UK UK Quarto B5 B5 size FO OHP 4 The code numbers of consumables or periodical replacement parts will be indicated if they have reached their life or should be replaced now If no periodical replacement is required there will be no indication in the LCD For details of the periodical replacement parts see 36 CLEAR CARE in the next section The Ready LED is lit The engine is in the process of warming up For messages 1 2 3 and 4 that appear on the LCD see the description for code number 00 above The Ready LED lit The engine is ready to print For messages 1 2 3 and 4 that appear on the LCD see the description for code number 00 above 01 WAIT 1 Us 2 nsz pe33 4 5 Print color is indicated as follows Y Yellow M Magenta Cyan K Black X Yellow amp Magenta YMCK Full Color LCD Message Description of Message e The engine is idling 11 CHK MEDIA 1 e The Ready LED is lit 4 OSEE 1 Applicable paper feeder is indicated as follows UPP Upper Cassette LOW Lower Cas
120. deo controller The printer is ready to print after the warming up process of the engine SLEEP MODE The engine is in standby SERVICE CALL The Ready LED is lit 20 SERVICE CALL 9 Service Call error code is indicated 9 as follows For the details of error codes refer to Chapter VIII Troubleshooting in this manual 3 3 Service Mode Service mode is a unique mode for the maintenance of the printer only without the video controller card In this mode you can check the operation status of the printer engine Off line and also carry out maintenance work for each of the printer components Procedure 1 Hold down the Mode Set and W buttons and turn the printer Power on 2 Using the Font Continue Set and W buttons select the mode necessary for the maintenance work from the test list shown in Table 5 2 How to designate the necessary mode 1 Press the Set or W button so that service modes a b and c a SERVICE MODE show up in sequence to be 2 selected 2 After selecting the desired mode execute the selected mode by i pressing the Continue button SERVICE MODE b 3 Press the Font button to exit the NEXT CARE INFO mode SERVICE MODE FACTORY MODE GRID PRINT A single color or two color R G B Grid Pattern and a full color Stripe Pattern can be
121. e See Section 1 2 5 and 2 4 of Chapter VI 3 Refit the fusing unit correctly and lock it in position or replace the fusing unit with a new one See Section 2 2 of Chapter VI VIII 45 16 White Line 1 Phenomenon Vertical white line appears in the specific color area when test printed in the four color mode Stripe Mode as shown in print sample 6 of Fig 8 2 Main Causes 1 Foreign particles adhering to the following places around the developer roller Refer to Fig 8 8 e Between the cartridge cover and developer roller a e Onthe surface of the developer roller b e Between the blade fixing plate and the developer roller c e Between the blade and the developer roller d 2 Foreign particles adhering to the toner cartridge s main blade of the color in question Developer roller Countermeasures 1 Implement the test print 2 Confirm the color of the toner cartridge in question that has caused the white line 3 Remove the foreign particles adhering to the developer roller If foreign particles adhere to d of Fig 8 8 remove them referring to one of the figures below Piece of OHP Developer roller iece o sheet VIII 46 White Line 2 Phenomenon Vertical white line appears from the leading edge to the trailing edge of the printed image as shown in print sample 7 of Fig 8 2 Main Causes The dustproof glass of the scan
122. e Tension release pin Tension release pin 5 5 Install the new OPC belt cartridge into the guides at both sides in the printer 6 Set the belt cartridge lock lever at both sides left and right 3 2 Install the Toner Cartridges into the Printer 1 Rock each of the cartridges 3 to 4 times through 30 to the horizontal 2 Remove the tape fixing the protective cover and remove the protective cover from the new toner cartridge Protective cover 3 Install the new toner cartridge along the guide into the printer 111 6 Note The installation order of the four toner cartridges should be from the bottom to the top in terms of colors this is in the order Cyan C Magenta M Yellow Y and Black 4 Close the front cover 3 3 Install the Oil Bottle and Fuser Cleaner 1 Pull out and remove the orange protective parts fitted between the rollers of the fusing unit 2 Install the oil bottle into the fusing unit Oil Bottle Fig 3 13 3 Install the fuser cleaner into the fusing unit 4 Secure the oil bottle and the fuser cleaner with the retainer lock levers 5 Close the top cover Fuser Cleaner Retainer lock lever Fig 3 14 7 3 4 Test Print After completing the installation work perform a test print The test print should be done in the Video Controller Mode and checked for correct print output If there appear to be any print problems th
123. e care code for which you need the information 2 Fuser Cleaner FC 7 OPC Belt Cartridge BL 8 Fusing Unit FU 9 Replacement Kit 120K 120K EXT FC ROLL b 012000P EXT CARE 2 8 9 gt After selecting the code press the Continue button Then the number of images or EXT BL UNIT printouts corresponding to the selected code 05000P is displayed b c through f EXT FU UNIT Screen c through f can be cleared by 040000P pressing the Font button f gt e 2 d gt c gt b Press the Font button one more time at screen b to return to the service mode b a EXT 120K KIT 120000P V 21 CASSETTE TYPE The type of paper feeding cassette can be selected Type A is for the USA type B is for Europe and type C is for Japan Description of Procedures LCD Message 1 Press the Continue button after selecting Screen a CASSETTE TYPE SERVICE a b 2 Using the Set or button select the code of the desired cassette A B or C and then press the Continue button 33 CASSETTE TYPE lt B C 3 Press the Font button to exit the mode from screen b b TOTAL PAGE The total number of printouts can be confirmed Description of Procedures LCD Message 1 Press the Continue button after se
124. e developer gear unit and motor Connect the connectors properly Is E1 error cleared NO Replace the developer motor MCTL DM1 Finished Finished E2 Main Motor MM Error Code Concerned Part Does the belt cartridge rotate lightly Replace the belt cartridge Replace the fuser unit Is E2 error cleared NO Finished Replace developer gear unit and motor Is E2 error cleared Finished YES Finished Finished ve lllA Concerned Part Drum HP Sensor Is the belt cartridge properly installed NO Re install or replace the belt cartridge YES lt Does the transfer drum rotate lightly Is the encoder plate deformed YES Replace the transfer drum io Is the rotation torque excessive E Check the connector Is DCN5 of IOD1 properly connected to the drum HP sensor Is error cleared NO NS Connect them properly Check the voltage 5V 1 Is E3 error cleared Finished Is the voltage 5V between DCN5 1 and 3 Replace the drum HP sensor NO NO Is the voltage 5V between DCN2 1 and 2 Repla
125. e mode This mode allows you to reduce the printer running cost substantially in addition to the improved life expectancy of the toner cartridge Reprint Function A touch of a panel button allows reprinting of the last print job without sending the data again from the computer When there is not enough memory to print the last complete job out the last print page can be reprinted PCMCIA Card Slot The printer has two PCMCIA card slots Type II cards 2 slots available Type cards 1 slot available The following cards can be installed PCMCIA compatible flash memory card e HDD card e PCMCIA Fax Modem card Saving User Settings It is possible to operate the printer differently from other users with the panel button settings Two sets of user settings can be stored 2 PARTS NAMES amp FUNCTIONS Front View 2 Control Panel 4 Power Button 3 Front Cover Media cassette Rear View 1 Top Cover Fig 1 1 7 Controller Box 5 Power Inlet 6 Rear Access Cover Fig 1 2 Top Cover To act as an upper enclosure and also as a paper tray for printed paper Control Panel To display the status of printer operation Front Cover To act as a front enclosure opened when replacing a toner cartridge or waste toner pack Power Inlet To connect a power supply cable To act as a rear enclosure opened when Rear Access Cover clearing an internal jam or doing maintenance work Controller B
126. ect DEFIANCE and then press the Continue button if the OHP sensor signal should be ignored b 2 37 MEDIA MANAGE MANAGE DEFIANCE In normal operation the mode is preset to MANAGE V 25 FACTORY MODE This mode consists of 9 nine modes for the confirmation of operation and the resetting functions necessary for maintenance work UTION Before using this mode ensure that you have the information available to reset the Page and Image counters to the correct values See 34 TOTAL PAGES and 35 EACH IMAGE for information on how to get the readings before starting working with these functions Basic Configuration FACTORY MODE 40 41 DP CHECK BD CHECK 42 FU CHECK 43 MARGIN ADJUST 44 LIFE PERIOD SET 45 NVRAM TUNE UP 46 NVRAM INITIAL 47 TOTAL PAGE SET 48 EACH IMAGE SET DP CHECK Each individual colour Toner cartridge can be driven Description of Procedures LCD Message 1 Press the Continue button after selecting Screen a DP CHECK 39 FACTORY MODE gt b CHECK Using the Set or button select the desired color and then press the Continue button b 40 DP CHECK Y M C K The selected color toner cartridge starts to drive If no error occurs in driving the message GOOD is displayed in the LCD 40 DP CHI otherwise FAIL c Toner cartridge drive wil
127. ed with a new one according to the periodical maintenance cycle set out in Table 6 4 This is to prevent ozone from being exhausted due to the deterioration of the ozone filter N preca UTION Ozone filter should be replaced with a new filter every 12 months otherwise it may cause an offensive smell lt Necessary Tools and Replacement Materials gt No special tools and equipment are necessary for the replacement of the ozone filter lt Work Procedure gt 1 Remove the ozone filter case provided at the rear of the side cover R 2 Remove the ozone filter from the ozone filter case 3 Install a new ozone filter to the filter case 4 Install the ozone filter case to the side cover R Ozone Filter gooooooooooo Filter case Fig 6 27 VI 28 2 7 Paper Feed Roller and Separator Pad Replacement Criterion of Replacement The paper feeding roller and separator pad should be replaced with new ones according to the periodical maintenance cycle set out in Table 6 4 When time is due for replacement of the paper feed roller and separator pad the following message appears on the control panel LJ READY 001 T1 REPLACE 120K KIT They also should be replaced when paper feed jams occur Work gt 1 Whenever paper feed jams occur confirm the
128. ee Section 2 1 of Chapter VI Note If the print mode is set to CAPT Color Advanced Photoscale Technology in the driver this problem might occur Change the mode setting to normal mode l 4 Ribbing Phenomenon Light print occurs on the right or left hand side of the image as shown in print sample 4 of Fig 8 2 Main Causes 1 Slight tilt on the surface of printer installation table Tilt should be less than 1 2 Toner amount in the toner cartridge is insufficient The amount in a full cartridge should be 175g for Y M amp C and 275g for K Countermeasures 1 Confirm that the printer installation table is flat and level 2 Replace the toner cartridge with a new one VIII 44 Wrinkle Image Migration Phenomenon Banding shadows of different optical density appear due to wrinkle image migration and color misregistration occurring on the print paper as shown in print sample 5 of Fig 8 2 Main Causes 1 Print paper other than the recommended paper is being used 2 The paper discharger unit of the transfer unit is not functioning 3 Fuser oil in the fusing unit is nearly running out 4 One side of the fusing unit is lifted up slightly Countermeasures 1 Use a recommended paper 2 Confirm if the transfer unit is properly installed to the paper discharger unit and functioning normally 2 1 Confirm the installation status 2 2 Clean the paper discharger unit or replace it with a new on
129. egister Roller Plastic bush C rin gee M Fig 7 70 VII 41 4 6 4 Paper Feed Roller Separator Pad Remove the media cassette 2 Remove the set screws ST3X6 2 pcs from the paper guide L 3 Remove the paper guide L 4 Remove the set screws ST3X6 2 pcs from the paper guide UR 5 Remove the paper guide UR 6 Disconnect the harnesses 2 pcs connected to the OHP sensor and paper empty sensor 7 Remove the paper feed roller by pushing it to the right viewed from the rear of the printer Paper Feeding Roller Paper guide UR Paper guide L Fig 7 71 8 Pull up and remove the separator pad Separator Pad Fig 7 72 PRECAUTION Do not touch the surface of the paper feed roller and separator pad VII 42 4 6 5 Paper Empty Sensor PE Sensor 1 Remove the sensor connector 2 Remove the set screws BT3X8 2 pcs from the OHP sensor and remove the OHP sensor from the paper guide assembly UR 3 Remove the paper empty sensor PE from the paper guide assembly UR Paper Empty Sensor OHP Sensor Fig 7 73 4 6 6 Paper Feeding Sensor PT1 1 Remove the paper feeding sensor from the stay feeder 2 Disconnect the connector on the paper feeding sensor Paper Feeding Sensor Fig 7 74 VII 43 4 7 Fusing Unit NbANGER Note in Parts Replacement e The fuser unit consists of important safety parts Replacement of parts
130. en the test print in the Engine Controller Mode should be used if necessary Note The test print pattern differs between these two modes 3 4 1 Test Print 1 Before connecting a power cable to the printer ensure that the power button located on the front of the printer projects from the cover surface This means that the printer is in the power off status Connect the connector of the power cable to the printer Insert the plug of the power cable into the power outlet Press the power button and confirm that the SELF TEST LCD panel screen is displayed during printer initialization The printer checks the RAM size and then goes into warming up mode RAM SIZE The Ready LED lights within 210 seconds maximum before which the screen shown on the right appears on LJ WAIT 001P 1 the control panel display AUTO ERBEN Press the Select button to set the printer off line Hold down the Shift button and press the Test button so that the printer enters the test mode The printer has built in print patterns for test printing The display shows the first test mode item Press the A or W button until the desired test mode appears on the display then press the SET button to print the desired test page 111 8 Note Hefer to the table below for each test mode item Display Message Test Mode Description DEMO PAGE Prints out the demonstration TEST PRINT Performs the printer test and prints ou
131. ent of cleaning roller bias Drum cleaning efficiency V 40 3 4 3 Confirmation and Setting of Total Number of Printouts The total number of printouts is stored in the RAM Confirmation and setting of total number of printouts can be carried out on the control panel Purpose Total number of printouts will be reset when changing the MCTL PCB or executing an NVRAM INITIAL Procedures of Setting 1 Execute 47 TOTAL PAGE in the Factory Mode 2 Reset the total number of printouts 3 After making the setting execute 34 TOTAL PAGE to confirm that the desired number of printouts in now set 3 4 4 Setting of Number of Images for Each Color The number of printouts for each color 4 colors is stored in the RAM Confirmation and setting of the number of images for each color can be carried out on the control panel Purpose Number of images for each color will be reset when changing the MCTL PCB or executing NVRAM INITIAL Procedures of Setting 1 Execute 48 EACH IMAGE in the Factory Mode 2 Reset the number of printouts for each color 3 After making the setting execute 35 EACH IMAGE SET to confirm that the desired number of images is now set V 41 3 4 5 Initial Setting of Engine NVRAM Implement the initial setting at the replacement of MCTL PCB after clearing the contents of NVRAM lt Purpose gt The number of images for each color will be reset when changing the MCTL PCB or executing NVRAM INI
132. eplace with a new main video controller PCB ER Replace with a new main NR R ER video controller PCB 68 NV B ERROR NVRAM write read error Dep with A Dew video controller PCB 2 with a new main 60 SYSTE ERROR 99 SERVICE 2 Instruction access error m new main video controller 2 with a new main 99 SERVICE with a new main 99 ERVICE 4 Instruction bus error video controller PCB 2 with a new main 99 SERVICE with a new main 99 SERVICE Privileged instruction video controller PCB Replace with a new main 99 SERVICE video controller PCB e with a new main 99 SERVICE Table 8 4 2 99 SERVICE HPSI Signal Error Retract Error of Black and Yellow Toner Cartridge VIII 11 99 SERVICE D6 HPSI Signal Error Retract Error of Cyan and Magenta Toner Cartridge 99 SERVICE F5 Charging HV DC High Voltage Error 99 SERVICE H3 Fusing Temperature 3 Error Heater Continuous ON Time Error 99 SERVICE H4 Fusing Temperature 4 Error Heater Continuous ON Time Error 99 SERVICE L2 Scanner Motor Error Note For further actions for the error messages described in Table 8 4 2 refer to the flow charts later in this section VIII 12 4 2 Engine Controller Mode Table 8 4 3 HPSI Signal Error Retract Error of Black and Yellow Toner Cartridge HPSI Signal Error Retra
133. er Clutch Clutch Cleaner FBSL K Clutch DCLK Clutch Developer 25 S VPEVZOHQ Clutch Y DCLY 5 1001 DCN9 SCANNER UNIT o BEC Masala aan EN AC IN PUT EC ott oe Ndse73267P 3326 1 all 10 20 o0 0 z 8 Biss Jir Que POWER SUPPLY UNIT MCTL PCB 64 Tl som Scanner Motor PCB 1 1 LDU PCB 1002 PCB amp FUCL Fuser Clutch Transfer TRSL Solenoid Q
134. er Empty Sensor 4 6 5 Paper Size Sensor 4 3 8 Fig 7 6 VII 6 3 DISASSEMBLY FLOW 6 REAR Transfer Unit Rear Access Cover 4 6 1 Transfer Unit 4 PAPER EXIT 4 4 1 1 RIGHT SIDE 2 TOP 3 LEFT SIDE Side Cover R Panel PCB 422 Upper Sid 4 2 1 LCD inclusive Cover LU MCTL PCB ii Waste Toner 4 1 17 Base Cover R 4 2 3 Sensor WTS Side Cover L High Voltage Unit Registration Clutch Developer Clutch E egistration Clutc 4 2 4 i Base Cover L Interlock Switch Rear Cover U Top Cover 4 4 2 4 6 2 Transfer Roller Fuser Fan c z 4 6 3 Register Roller Cleaning Roller 4 4 3 Sensor CRS Paper Feeding Roller Separator Pad Drum Encoder m cm Sensor eaner Developer Drive 4 1 11 Fuser Connector 1002 PCB Ahe with base Drive Motor Main Gear Unit i 41 8 4 1 9 Fuser Clutch Discharger Brush gt gt Unit Upper Cover Emo 445 sensor PE OHP Paper Exit Roller at Sensor OHP Drum Cleaner 4 1 12 Paper Feeding Rear Cover R Solenoid IOD1 PCB Sensor PT1 Paper Exit 4 4 6 Sensor PT2 Power Supply Control Fan nor Unit 7 FUSING UNIT Main Motor 4 1 14 Fusing Unit Transfer P Paper Size Lamp Solenoid Interlock Switch 4 2 8 Sensor PSU 1 Toner Sensor TTR Paper Feeding me 5 FRONT Drum Cleaner Front Cover Unit 454 4 1 16 Toner Sensor Feede
135. er IS theprint paperdamp paper with new Was the paper fanned before Fan the paper before 3 NO loading in the media cassette loading 4 Is the print paper set in place NO correct place Media Set the end plate to Cassette meet the paper size Is the paper stacked above the Stack the paper below YES line on the paper guide the line Is there paper dust around the Clean the paper guide 7 YES paper guide with a cotton cloth Is the print paper caught in the Pick up Roller paper feeding part Separation Service call required to Pad Is the pick up roller damaged YES replace the damaged pick up roller VIII 8 3 2 Inner Jam Table 8 3 2 Open the transfer unit and check Is there any paper inside the Remove the paper 1 unit inside Is the transfer roller firmly Fix the transfer roller 2 locked by the lock lever with the lock lever Install the paper Is the paper discharger unit apt installed in place umit anly in place Transfer Unit cloth Replace the existing paper discharger unit with a new one Is the fusing unit installed in Install the fusing unit place firmly in place 15 there any paper trapped Remove the trapped Fusing Unit 7 between the rollers paper Is there fuser oil still in the oil bottle vu ottle with a new 3 3 Outer Jam roller with a cotton
136. er on the paper is fused by the thermal fixing unit to fix the toner image onto the paper as shown in Fig 4 4 C Summarizing the above processes a toner color layer is formed on the transported paper and subsequently the color image is made through the subtractive process IV 3 OPC Belt Toner Cartridge Transfer Drum Fig 4 3 Tongi CAA First Transfer Transfer Daur j K 22 D Second Transfer MODOC Paper 5 Red Cyan Green Fusing 2227722 Paper Fig 4 4 IV 4 Structure of the OPC Belt The OPC belt consists of a surface layer having a photoconductor OPC of organic material the inner layer of an insulator material PET Mylar and an aluminum deposit layer in between The OPC belt is located as shown in Fig 4 5 as the main part of the print system OPC Belt Cartridge Toner Cartridge OPC Belt Scanner Unit Fig 4 5 Electrode Photoconductor OPC Aluminum deposit layer Insulator Material Fig 4 6 IV 5 1 1 Print System and Transfer System Fig 4 7 shows the basic structure of the print system having the OPC belt as the main part and the transfer system having the transfer drum as the main part Color printing is achieved by actuating in sequence each process in the print system and transfer system 4 cycles of actions 1 to 6 are required to form a full 24 bit color image on the transfer drum only one cycle of action
137. erage Life is detected by the waste toner sensor 4 120K Kit Life 120 000 pages Condition None 5 OPC Belt Cartridge Life 50 000 images Condition Above figure varies depending on pages job Refer to the list below Pages per job 20 000 22 000 24 000 29 000 31 000 34 000 Pages per job 10 pages 25 pages 36 000 37 000 39 000 40 000 50 000 5 Cleaning Roller Life 12 000 pages Condition Above figure varies depending on coverage Refer to the list below 20 20 40 Additional life deleted Life pages 12 000 6 000 4 000 6 Fusing Unit 40K Kit Life 40 000 pages Condition Above figure varies depending on coverage Refer to the list below 12 5 12 5 20 2096 4096 40 60 60 0 2 0 5 Additional life deleted 0 02 05 1 2 Life pages 40 000 33 333 26 666 20 000 13 333 A 6 lt 40 020 gt 3 Add 20 pages Add figure of Figure from Next care information 32 gt Total pages 34 gt Modified by the addtional life deleted figure lt 40 000 gt lt 40 000 gt 1 No change This figure is actual 1 Print 10 pages 2 Print 10 pages by 596 coverage by 5096 coverage This difference is the actual 3 3 Clear care 36 life remaining 2 10 pages lt 20 gt 3 No change 20 1 10 pages lt 0 gt Figure from Total page 34 gt Total page counter life 5 HOW TO RE ENTER ORIGINAL DATA TO THE MCTL PCB
138. explained in this manual Refrain from opening or touching any portions that are not related to your required operation s 4 Repair and replacement of parts should be performed by trained and qualified persons only Operators should not attempt to do such repair or replacement work 5 It must be appreciated that the above mentioned cautions and warnings do not cover everything because it is impossible to evaluate all the circumstances of repair situations SPECIAL SAFETY INFORMATION Introductory Information Cautions and warnings are made clear by following the Safety Alert Symbols or Signal Words such as DANGER WARNING and CAUTION SAFETY ALERT SYMBOL This is the safety alert When you find this symbol placed on the equipment or marked in this manual be aware of the potential of human injuries Follow the recommended precautions and safety operation practices Understanding Signal Words DANGER is used to indicate the presence of a hazard which will cause severe human injuries or a fatal accident if the warning is ignored WARNINGi is used to indicate the presence of a hazard or unsafe practices which may cause severe human injuries or a fatal accident if the warning is ignored CAUTION is used to indicate the presence of a hazard or unsafe practices which may cause minor human injuries if the warning is ignored CAUTION also calls your attention to safety messages in this manual Follow Safely Instructions
139. f Paper Discharger Refer to Fig 4 22 i The AC charger unit for discharge the paper is located as shown in Fig 4 8 ii The AC charger unit consists of the case and a charger wire A high alternating voltage VAC is fed to the AC charger unit Process of Paper Discharging Refer to Fig 4 22 The paper adheres to the transfer drum in the transfer process ii The paper is neutralized discharged in terms of any electrical charge by the alternate voltage generated by the discharger iii Paper is separated from the transfer drum and subsequently transported to the fusing fixing process Paper Discharger Transfer Roller VAC Fig 4 22 IV 19 Drum Cleaning The drum cleaning process is where the residual toner on the transfer drum is removed 1 Structure of Drum Cleaning Refer to Fig 4 23 i The drum cleaning unit is located as shown in Fig 4 8 ii The drum cleaning brush is a semiconductor type so that the brush can clean the surface of the rotating transfer drum The Drum cleaning brush is kept out of contact with the transfer drum when the print image on the transfer drum is being created iii The drum cleaning roller is positively biased by the positive voltage FCBV V iv FCBV V is fed to the cleaning brush in contact with the roller and the cleaning brush is self biased by the resistance of the brush v The drum cleaning roller rotates in contact with the drum cleani
140. f periodic maintenance cleaning for the following parts 1 2 Register Roller Paper Guide 3 Paper Exit Roller 4 Transfer Roller 5 Paper Discharger 6 OPC Belt Cartridge Transfer Drum Dustproof Glass of the Scanner Unit Printer Interior N wanNING Before starting any maintenance work make sure you have unplugged the power cable from the power outlet There is a risk of electric shock working on the printer with the power connected 4 Periodic Maintenance Cleaning Work Table 6 3 No Parts Name Cleaning Work Cleaning Cycle 1 Description Condition or Case Open the transfer unit Register Roller Clean roller and surrounding area using a dry cloth e Defective image Smeared paper e 20K prints Remove the media cassette from the Paper Guide printer Clean the paper guide using a dry cloth 20K prints Open the top cover Clean the paper exit roller using a dry cloth Paper Exit Roller 20K prints dry cloth Periodic maintenance Open the transfer unit Remove the paper discharger unit Clean the corona wire and case using a cotton swab Defective image Paper jam Periodic maintenance Paper Discharging Roller Remove the OPC belt cartridge OPC Belt Clean up spilt toner around the OPC belt Cartridge cartridge and cleaning blade Clean the charger unit Defective image Periodic maintenance Open the transfer unit Defecti
141. fer unit paper exit unit and remove paper jammed inside Paper jam at feeding area Paper jam at paper exit area Open the transfer unit and Paper jam wound remove the OPC belt around the transfer cartridge Remove the paper drum jam by unwinding the paper from the transfer drum IA JAM DRUM 18 CLOSE PANEL Covers neri Confirm that the covers are FRONT TOP firmly closed 18 CLOSE IT Transfer unit open Confirm that the transfer unit is firmly closed i Printer automatically returns Printer under idling to the operating condition condition when a PRINT signal is sent Printer warming up Printer ready to print These are normal operation in standby status modes Printing in progress VIII 7 3 PAPER TRANSPORT ERROR Paper is transported through the path shown in Fig 8 1 Paper jams at the following locations are easily cleared e Paper Feeding Roller e Fusing Unit e Transfer Unit e Paper Exit Unit Paper Exit Roller Fusing Unit Oil Bottle Drum Cleaner OPC Belt Cartridge Paper Exit Unit Toner Cartridge Transfer Unit Paper discharger Unit Transfer Roller Transfer Drum Register Roller Paper Feeding Roller 3 1 Feed Jam Table 8 3 1 Problem Item Check Item Is the print paper a Use a recommended 1 recommended paper NO paper Replace the existing Print Pap
142. from the media cassette guide L assembly 3 Pull the media cassette guide toward you while pushing the front catch to release the guide from the plastic catches 4 pcs 4 Remove the paper size sensor connector 5 Remove the media cassette guide L assembly from the frame 6 Remove the set screws 8 2 pcs holding the paper size sensor to the cassette guide L 7 Remove the paper size sensor Catch Front catch Media cassette guide L Paper Size Sensor Fig 7 52 Note When assembling the media cassette guide be sure to correctly locate the front catch and other 4 catches 4 3 9 Toner Sensor TTR 1 Remove the set screws ST3X6 3 pcs from the toner sensor PCB 2 Disconnect and remove the toner sensor PCB Fig 7 53 VII 32 4 4 Paper Exit Unit 4 4 4 Rear Cover 1 Remove the rear cover R Refer to Section 4 3 6 in this chapter 2 Remove the set screw BT4X6 1 pc of rear cover 3 Remove the rear cover U Rear Cover R Fig 7 54 4 4 2 Top Cover Paper Exit Cover Fuser Fan FUFAN 1 Remove the set screws 4 8 2 pcs that act as the paper exit unit hinges 2 Remove the set screw ST3X6 1 pc of the inner cover and remove the inner cover R 3 Disconnect the 3 cable joint connectors in the cover assembly 4 Remove the paper exit unit from the printer 5 Remove the arm edge cover Paper Exit Unit Arm edge Inner cover R
143. g features 2400 x 600 dpi Class Resolution The printer prints pages with a resolution of 600 dots per inch dpi as default It also provides higher quality printout which is the equivalent of 2400 x 600 dpi resolution when using HRC or CAPT High Speed Color Laser Printing The printer allows crisp printing in 24 bit brilliant color The printer prints at a speed of 16 pages per minute in monochrome mode and 4 pages per minute in full color mode The controller utilizes a high speed 32 bit RISC microprocessor and special hardware chips which provides a very fast processing speed High Resolution Control HRC The high resolution control HRC technology provides clear and crisp printouts and improves even the 600 dpi resolution This mode is effective when printing text data Color Advanced Photoscale Technology CAPT The printer can print graphics in 256 shades for each color in HP color printer PCL5C and BR Script level 2 emulations producing nearly photographic quality This mode is effective when printing photographic images Maintenance Free Toner Cartridge A toner cartridge can print up to 10 000 Black and 6 000 Cyan Magenta and Yellow single sided pages at 5 coverage The one piece easy to replace toner cartridges do not require difficult maintenance Universal Media Cassette This printer loads paper automatically from the media cassette Since the media cassette is a universal type a number of differen
144. ge is applied to the charger unit by the power supply CHV and a corona is generated as the result iii The developer magnetic roller of the toner cartridges is biased to DBV V by the power supply DBV iv The frame potential of the transfer drum is GND 1 Toner OPC Belt QO Toner Cartridge Burush V 5 2 2 Develop Transfer Roller Erase Lamp Fig 4 9 No Function Power Supply P S 1 Charging M 3 Developing DBV A 200V 400V DBV B 200V 400V Second Transfer THV 400V 3 000V Paper Discharging Drum Cleaning 8 2 Variation of OPC Belt Potential See Fig 4 10 i The belt is initially biased to CBV V ii The OPC belt surface is evenly charged to V V in the charging process iii The potential of the exposure part of the OPC belt is reduced to VR V as it is exposed to the laser beam in the process of exposing and an electrostatic latent image is formed on the OPC belt as the result iv Negatively charged toner is moved onto the exposed part of the OPC belt in the development process due to the difference of potential between VR V the latent image and DBV V and a visible toner image is formed as the result v Negatively charged toner on the OPC belt moves to the transfer drum surface in the transfer process because the GND potential of the
145. he Continue DP CHECK button to store the set value V 37 EACH IMAGE SET This mode can reset the number of total pages of each color in the NVRAM whenever NVRAM INITIAL is executed or the MCTL PCB is replaced Note Do not perform this mode other than when replacing the MCTL PCB Description of Procedures LCD Message 1 Press the Continue button after selecting Screen a EACH IMAGE SET 2 b 39 FACTORY MODE EACH IMAGE SE Select the desired color to reset in EACH IMAGE SET b 2 c 48 IMAGE OF Use the Set W button to select the desired Y M C K digit Use the Continue button to input values to the selected blinking digit 48 IMAGE OF 005432 P SE Upon completing the input of the values use the Set or W button to select SET on the LCD and then press the select button to store the 48 IMAGE OF Set value c Y M C K Press the Font button to exit the EACH IMAGE SET mode 39 FACTORY MODE DP CHECK V 38 3 4 Adjustment Work Procedures 3 4 1 Adjustment of Top and Left Margin The top and left margins can be adjusted by button operation on the control panel Purpose If there is no top margin or left margin set for the print guarantee area or when the MCTL PCB is replaced the adjustment of top and left margin will be required Adjustment Method 1 Execute GRID PRINT in Service Mode 2 Measure
146. he following display appears Check that the corresponding number appears when pressing the buttons on the control panel Corresponding button number on the panel XXXXXXXX 12345678 a QOO Cre 6 Press the Continue button to implement the SENSOR TEST The LEDs are all off then the following display appears Corresponding sensor code BXXXXXXXXXXXXXXX Front Cover Top Cover Rear Cover Transfer Unit Toner Cartridge K Toner Cartridge C Toner Cartridge M Toner Cartridge Y OPC Belt Cartridge Fuser Cleaner Fusing Unit Waste Toner Upper Cassette Lower Cassette Upper Cassette Paper Lower Cassette Paper Upper Cassette Media Lower Cassette Media Paper Sensor 1 Paper Sensor 2 Paper Sensor 3 ABCDEFGHIJKLMNOP ORST Check that the display of each sensor is changed to the corresponding character Ex Toner cartridge gt Open the cover gt Remove the toner cartridge Close the cover and wait for 20 seconds Open the cover Install the toner cartridge Close the cover and wait for 20 seconds D A B C D E F G H J K L M N O P Q R S T Note e Since the sensors respond only when the cover is closed be sure to close the cover before re installing any items e The sensors tests especially the OPC test require time to respond on the LCD panel Operate a sensor in one sense for at least
147. ice reasons before their life cycle is completed then the Engine Controller Mode should be used to reset the part life 2 1 OPC Belt Cartridge Replacement Criterion of Replacement The OPC belt cartridge should be replaced with a new one at 50 000 images or 12 months whichever comes first When time is due for replacement of the OPC belt cartridge the following message appears on the control panel NenEcA UTION Do not directly touch the OPC belt surface with bare hands or gloves If the belt is exposed for more than two minutes to a light source of 800 lux the belt may be damaged Replacement Procedure 1 Press the power button to turn off the printer 2 Open the front cover and the top cover UTION When installing or removing the OPC belt be sure to open the front cover first Failure to do so will cause the OPC belt to be damaged due to contact with the toner cartridges VI 18 3 Release the belt cartridge lock levers at both sides left amp right Fig 6 11 4 Pull out the OPC belt cartridge Belt cartridge lock lever Left Belt cartridge lock lever Right 5 Prepare a new belt cartridge Remove the protective sheet from a new OPC belt cartridge and then pull and remove the tension release pins from both sides left amp right Fig 6 12 Tension release pins Tension release pins Protective sheet 6 Install the new OPC belt cartridge i
148. iding the front cover unit to the right release the hinge pin at the right hand side 11 Remove the set screws 4 8 4 pcs to remove the front cover from the assembly base plate 12 Remove the front cover Front inner cover Front Cover Assembly base plate Fig 7 65 VII 38 4 5 2 Scanner Unit Scanner Motor inclusive 1 Cover C is fixed by plastic projections and hooks at three locations at the front and three locations at the rear Release the hooks at the rear Release the fixings at the front by pulling cover C forwards Remove the harness from the harness holder and the cover C from the printer 4 Remove the set screws ST3X6 3 pcs from the scanner unit Disconnect the harness connector 1 pc from the scanner unit Remove the scanner unit from the printer Harness holder Hook Cover There is a class laser within the scanner unit Do not attempt to disassemble the laser The scanner unit is replaced as a complete unit No adjustment is required to the replacement scanner unit Confirm that all the covers have been correctly installed prior to any test run or operation in order to prevent any laser radiation escaping from the printer VII 39 4 6 Rear of the Printer 4 6 1 Rear Access Cover L Transfer Unit 1 Open the rear access cover 2 Remove the upper screw of the retaining strap supporting the transfer unit to the printer body 3 Remove the set sc
149. ignal sent from the controller to the engine lt STATUS gt Status signal sent from the engine to the controller Fig 4 38 shows the timing of each signal after the power switch is turned on 210s MAX 1 0sec MAX 0 1sec MIN 7 15sec MAX 3 75s 3 Osec for Continuous Printing K data X dta X X X X 15us MIN 10ms MAX Z 417 781us a X 1st line X X 2nd line X X X Last line X COMMAND STATUS Fig 4 38 The COMMAND signal and STATUS signal are the signals that are used to transfer the data between the controller and the engine which perform as a half duplex asynchronous serial communication Refer to Fig 4 39 Stop bit Start bit Parity bit LSB MSB 8ms TYP LSB MSB Stop bit Fig 4 39 IV 49 Note e Based on Asynchronous Communication method Command Status communication must keep the Handshake Rule e Baud rate is 9600 bps e Frame format one 1 start bit eight 8 data bits Start bit side is LSB Parity bit is MSB one 1 odd parity bit one 1 stop bit e The video controller has to send an Initialize Command to the engine controller after power on in order to establish communication The power for the Main PCB is supplied through the engine interface connector IV 50 Appendix 1 Main PCB Circuit Diagram 1
150. ing plate Main Motor Fig 7 13 VII 11 4 1 9 Paper Feeding Clutch PCLU 1 Remove the outer plastic C ring from the shaft 2 Remove the paper feeding clutch from the shaft Paper Feeding Clutch GQ ring Fig 7 14 4 1 10 Developer Clutch K Y M C 1 Remove the outer plastic C ring of each developer clutch from the shaft 2 Pull out the developer clutch from the shaft Developer Clutch C ring Fig 7 15 VII 12 4 1 11 Developer Drive Unit 1 Open the front cover Remove the waste toner box 3 Remove the harness guide 4 Remove the set screws ST3X6 4 pcs from the developer drive unit 5 Remove the developer drive unit Developer Drive Unit Harness guide Fig 7 16 4 1 12 Drum Cleaner Solenoid FBSOL 1 Remove the set screws ST3X6 2 pcs from the drum cleaner solenoid 2 Remove the drum cleaner solenoid Drum Cleaner Fig 7 17 VII 13 4 1 13 Main Gear Unit 1 Remove the screws ST3X6 3 pcs and loosen the screw 4 8 1 pc holding the rear plastic cover plate and then remove the stay Remove the upper set screw ST3X6 1 pc from the ozone fan case Remove the ozone fan duct 4 Remove the set screws ST3X6 5 pcs from the main gear unit Remove the top cover securing screw to release the top of the gear unit plate Remove the main gear unit from the frame MEN 27 Plastic cover plate D Stay R
151. ing the OPC belt surface ii The developer roller has been biased to the potential DBV V Fig 4 15 describes the relationship established between the potential of the toner the potential V V at the non exposed area of OPC belt and the potential VR V on the exposed area of the OPC belt Developing is processed by the toner adhering to the OPC belt due to the attraction between the potential of the toner and the potential VR V on the exposed area of the OPC belt A visible Toner image is formed on the OPC belt iv No developing takes place on the non exposed area because the potential of the toner and that of the OPC belt is the same polarity and therefore repel each other DLE OPC Belt Develper roller 000000 o 2 Fig 4 14 IV 12 Developer roller OPC Belt CBV Fig 4 15 00010070000 000000000 C ee o De J CONTON 00 ny 10 XO 0000000000 1000000000 Exposing Developing Fig 4 16 IV 13 First Transfer Drum The first transfer process means that the toner image on the OPC belt is transferred onto the transfer drum 1 Structure of the Transfer Drum Refer to Fig 4 8 i The drum is located as shown in Fig 4 8 ii Material of the drum is aluminum iii Semiconductor rubber is used to provide the drum surface as
152. ing the normal usage of the printer which means the printer is being used in the Video Controller Mode clear the problem by referring to the troubleshooting information in the following sections for the Video Controller Mode or the user s guide However if a problem occurs in the video controller itself use the Engine Controller Mode information as it may be easy to understand the cause of the problem because the Engine Controller mode can separate the problem in the video controller from the printing operations The error messages used in the Video Controller Mode basically contain the same ones that are used in the Engine Controller Mode All error status messages are displayed in the Video Controller Mode other than when an error occurs in the video controller itself or in the communication between the video controller and the engine controller Note The operation of the control panel and the display on the LCD vary depending on the mode selected VIII 1 1 OUTLINE OF TROUBLESHOOTING Printer Problem Image Failure Section 5 Operator Call Paper Transpor Service Call Error Section 2 1 Section 3 Enter the Engine Controller Mode Turn on the power after turning off the printer Turn on the power while holding down the Mode Set W buttons after turning off the main switch Section 2 2 Check power cable Engine Controller Video Controller Mode Mode Section 4 2 Section 4 1
153. inter produces color printing through the interactive operations of these five systems as shown in Fig 4 1 1 Print System The print system consists of the following 6 six functional parts located around the OPC belt which form a toner image on the OPC Belt Charger Part e Exposure Part e Development Part e First Transfer Part e Discharger Part e Cleaner Part 2 Scanning System The scanning system consists of the following 2 two functional parts which form an electrostatic latent image on the OPC Belt by scanning it with a laser beam Scanner Unit Scanner Motor SCM 3 Transfer System The transfer system consists of the following 3 three functional parts and transfers the toner image formed on the transfer drum onto the page e Transfer Drum e Second Transfer Part e Drum Cleaner Unit 4 Paper Transport System The paper transport system consists of the following 5 five functional parts and picks up paper from the media cassette separates the paper from the transfer drum and exits it from the printer body after fusing the toner image on the paper Media Cassette e Transport rollers e Paper Discharger e Fusing unit e Paper Exit IV 1 c Al Main Motor Belt Development Paper Exit Unit Paper Exit Drum Cleaner Unit Drum Cleaning Operation Transfer Drum Develope Motor Controller 21 MCTL I F Control Sequence Control
154. ion 2 2 of Chapter VIII 54 1 23 White Print Phenomenon A blank page no print at all is output or a specific color is missing not printed as shown in print sample 23 of Fig 8 2 Main Causes 1 Laser light path is blocked by paper or other material stuck at the opening of the scanner unit 2 The transfer solenoid is broken not functioning 3 There is no belt bias voltage CBV 4 There is no output from the high voltage unit HVU due to breakdown Countermeasures 1 Confirm that there are no foreign objects stuck in the opening of the scanner unit 2 Replace the transfer solenoid with a new one See Section 4 1 14 of Chapter VII 3 Replace the belt cartridge with a new one See Section 2 1 of Chapter VI 4 Replace the high voltage unit with a new one See Section 4 3 2 of Chapter VII 1 24 Insufficient Fusing Phenomenon Printed image is partially missing as shown in print sample 24 of Fig 8 2 This proves that the fusing is insufficient Main Causes 1 Wrong selection of print media label or envelope etc at the Host driver side 2 Recommended paper is not being used 3 Double feed paper 4 Failure of the fusing unit Countermeasures 1 Adjust the mode of Host side to suit the print media in use 2 Use the recommended paper 3 Fan the paper before loading in the media cassette 4 Replace the failed fusing unit with a new one See Section 2 2 of Chapter VI
155. is mode allows you to print the selected test pattern continuously in order to check the engine NVRAM Reset Mode This mode forces the NVRAM values of the video controller to be reset to the factory settings When replacing the main PCB the NVRAM value is automatically reset to the factory setting However this mode is effective when the video controller does not work due to errors Power on A Power on Power on Font Power on Font Power Set Power on Table 5 1 Normal Mode cp L DRAMTesMede gt Program Version Display Mode eM NVRAMResetMode V 2 2 2 Toner Save Mode Power Save Mode The toner save mode allows you to reduce the printer running cost and improve the life expectancy of the toner cartridge The power save mode allows you to save electricity when the printer is on but not being used Procedure 1 Turn on the printer to enter normal mode 2 Press the Shift and Economy buttons at the same time 3 The display shows the menu as follows ECONOMY TONER SAVI 4 Select the toner save mode or the power save mode using the scroll buttons or by pressing the Shift and Economy buttons again Then press the Set button 5 Select the setting ON OFF with the scroll buttons then press the Set button 6 When turning on the power
156. l 2 compatible HP GL EPSON FX 850 IBM Proprinter XL Automatic interface selection between the bi directional parallel RS 232C serial and MIO interface Standard model 16Mbytes Network model 32Mbytes Expandable up to 112Mbytes with SIMMs The standard memory fitted can vary depending on the printer model and country 2 card slots PCMCIA Type 1 II 1 card slot PCMCIA Type Ill Compatible for Flash Memory or HDD cards 8 buttons 4 LEDs and a 16 column x 2 lines liquid crystal display Self diagnostic program 2 3 Electrical and Mechanical Power source U S A and Canada AC 120V 50 60Hz Europe and Australia AC 220 to 240V 50 60Hz Power consumption Noise Temperature Humidity Printing 450W or less Standing by 150W less Sleep 25W or less Printing or less Standing by 48dB A or less Operating 10 to 32 5 C 50 to 90 5 F Non Operating 5 to 35 C 41 to 95 F Storage 0 to 35 C 38 to 95 F Operating 20 to 80 non condensation Storage 20 to 80 non condensation Dimensions W x D x H Weight 500 x 490 x 388 mm 19 7 x 19 3 x 15 3 inches 500 x 490 x 493 mm 19 7 x 19 3 x 19 4 inches with the optional lower tray unit fitted Approx 32kg 70 5lbs Approx 36kg 79 4lbs with the optional lower tray unit and toner cartridges fitted 11 3 2 4 2 4 1 Paper Specification Printable Media amp Cassette Capacity The standard media cassette u
157. l automatically stop after 60 seconds c d 40 DP CHECK Press the Font button to stop the DP CHECK D Y M C K mode d FACTORY MODE pP CHECK return to screen a d e Press the Font button one more time to V 27 BD CHECK Laser beam position and laser power can be checked Description of Procedures LCD Message 1 Press the Continue button after selecting screen BD CHECK a b 39 FACTORY MODE BD CHECK 2 The scanner motor scans the laser beam as itis rotating If the scanning position of the laser beam is normal GOOD is displayed on the LCD otherwise FAIL b or c SUBE TM GOOD Scanner motor automatically stops rotating after 60 seconds d 41 BD CHI Press the Font button to exit the BD CHECK mode b d 39 FACTORY MODE gt DP CHECK FU CHECK Availability of oil in the fusing unit can be checked Description of Procedures LCD Message 1 Press the Continue button after selecting screen FU CHECK a 39 FACTORY MODE 2 The fusing unit starts the heat up process CHECK and checks the availability of fuser oil If oil is available in the fusing unit GOOD is displayed in the LCD otherwise FAIL 43 FU CHI b OIL GOOD Press the Font button to exit the FU CHECK mode c 39 FACTORY MODE DP CHECK
158. ld have its level corrected properly The temporary action with a 1 cm thick object should only be used to determine the correct leveling action required and should not be used as a permanent solution Spirit Level A 20
159. lecting Screen a TOTAL PAGE mode SERVICE MODE a 2 b TOTAL PAGE A 6 digit number is displayed This number represents the total number of 34 TOTAL PAGE m pages that have been printed out b Press the Font button to exit the mode from screen b b 2 V 22 EACH IMAGE Number of created images for each color used in printing can be confirmed Description of Procedures LCD Message 1 Press the Continue button after selecting Screen a EACH IMAGE mode 2 b SERVICE MODE EACH IMAGE Using the Set button select the required color and then press the Continue 35 IMAGE OF Y M C K button b c The number of images created in the selected color is displayed Ex Yellow 35 IMAGE 000098P c Press the Font button to exit this mode from screen c c d Using the Set or W button select another color and then press the Continue button to confirm the number of images created in that color SERVICE MODE gt TEST PRINT 35 IMAGE OF Press the Font button to return to the Service mode d V 23 CLEAR CARE Care Code counters displayed on the LCD can be cleared Make sure that you clear the relevant CLEAR CARE mode whenever replacing periodical replacement parts with new ones This mode should only be
160. lution can be enhanced to 2400 dpi class by using the HRC High Resolution Control and CAPT Color Advanced Photoscale Technology features Monochrome mode 16 A4 Letter size Full color mode 4 page minute A4 Letter size Max 3 minute at 20 C 68 F Monochrome mode 19 seconds or less Full color mode 30 seconds or less when loading A4 Letter size paper by face down print delivery from standard upper cassette feed Toner in a single color single component cartridge Life Expectancy 10 000 single sided pages cartridge Black 6 000 single sided pages cartridge Cyan Magenta Yellow Note These figures are based on an average of 5 coverage of the printable area for one color using laser paper The frequency of replacement will vary depending on the complexity of the prints the percentage of coverage and the type of media Transparencies glossy coated paper and other special media will result in shortened consumable life Resident Printer Fonts HP PCL EPSON 850 and Proprinter XL modes 66 scalable fonts and 12 bitmapped fonts BR Script Level 2 mode 66 scalable fonts 1 2 2 2 Functions CPU Emulation Interface RAM Card Slots Control panel Diagnostics MB86832 SPARC architecture Automatic emulation selection HP Color Printer PCL5C including HP LaserJet 4 PCL5e and LaserJet 5 PCL6 monochrome BR Script Level 2 Adobe PostScript Leve
161. mory type Fast page or EDO automatic selection e Access time less than 80nsec e Parity either Parity or Non parity can be used e Memory capacity 1MB 2MB 4MB 8MB 16MB 32MB lt Recommended SIMM type gt 1MB HITACHI HB56D25632B 6A 7A 8A MITSUBISHI MH25632BJ 7 8 2MB HITACHI HB56D51232B 6A 7 8A MITSUBISHI MH51232BJ 7 8 4MB HITACHI HB56A132BV 7A 7AL 7B 7BL 8AL 8B 8BL MITSUBISHI MH1M32ADJ 7 8 8MB HITACHI HB56A232BT 7A 7AL 7B 7BL MITSUBISHI MH1M32ADJ 7 8 16MB TOSHIBA THM324000BSG 60 70 80 32MB TOSHIBA THM328020BSG 60 70 80 Any combination of SIMM size can be installed into any slot in any order Note Fast page type and EDO type can be used together although it is not recommended 6 External interface block e Centronics Interface e RS 232C Interface e PCMCIA Interface e MIO Interface 7 Engine interface block The engine interface consists of the following signals lt IREADY gt The signal indicating the engine is ready lt PRREQ gt Signal requesting printing from the controller lt KEY_STATUS gt Signal indicating that a key switch status on the control panel has changed lt VSYNC gt Vertical synchronization signal for printing IV 48 Power On IREADY N PRREQ N VSYNC N VIDEO P VSYNC N HSYNC N VIDEO P lt HSYNC gt Horizontal synchronization signal for printing lt VIDEO gt Video data signal lt COMMAND gt Command s
162. n the charger unit corona wire See Section 1 2 6 of Chapter VI 1 2 Replace the OPC belt cartridge with a new one See Section 2 1 of Chapter VI 2 Clean the surface of the developer roller 1 10 Vertical Line Phenomenon Vertical line appears in the printed image as shown in print sample 10 of Fig 8 2 Main Causes 1 Foreign particles dust etc adhering to the parts located around the transfer drum and consequently in contact with the toner image on the transfer drum 2 Damage of the OPC belt due to foreign particles adhering to the blade of the OPC belt Countermeasures 1 Clean the paper discharger unit See Section 1 2 5 of Chapter 2 Clean the charger unit corona wire of the OPC belt cartridge See Section 1 2 6 of Chapter VI 3 Clean the rear face of the waste toner feeder 4 Replace the OPC belt cartridge with a new one VIII 48 Vertically Staggered Image Phenomenon Printed image staggered in the vertical direction as shown in print sample 11 of Fig 8 2 Main Causes 1 Shock or vibration applied to the printer 2 Failure of the scanner unit Vibration from rotation of the scanner motor Countermeasures 1 Do not apply shock or vibration to the printer body 2 Installation location should be appropriate with no possibility of shock or vibration 3 Replace the scanner unit with a new one See Section 4 5 2 of Chapter VII Phenomenon Banding line appears in the horizon
163. nderstand the effects of making adjustments to the various charge voltages in the HVPSU This mode consists of following 5 five subordinate modes Configuration of NVRAM TUNE UP Factory Setting 45 NVRAM TUNE UP 45 1 LP TUNE UP 3 THV TUNE UP 0 45 2 45 3 DBV TUNE UP 0 45 4 TUNE UP 0 45 5 FBV TUNE UP 0 Note After performing NVRAM INITIAL in the next section be sure to set the LP TUNE UP value to 3 V 31 LP TUNE UP This mode should be used when optical density line thickness and or color reproduction needs to be adjusted The adjustment is made by changing the laser power against the reference value 0 zero in the range 4 to 4 Note Do not perform this mode frequently Description of Procedures LCD Message 1 Press the Continue button after selecting Screen a NVM TUNE UP a gt b 39 FACTORY MODE After selecting LP TUNE UP Code 1 press NVM TUNE UP the Continue button b After selecting the color to be adjusted press b 45 NVM TUNE UP the Continue button Ex Yellow No lt 123456789 gt c gt d The adjustment value can be adjusted in 8 45 LP TUNE Steps between the 4 and 4 Y M C After selecting the required number press the Continue button d 45 YELLOW Press the Font button to finish the adjustment lt 432101234 gt for yellow d e Repeat steps 3 to 5 if adjustment work is required for ano
164. ner unit is smeared with toner or foreign particles Countermeasures Clean the dustproof glass 1 Remove the OPC belt cartridge and toner cartridges See Section 2 1 of Chapter VI 2 Remove the dustproof glass from the scanner unit 3 Clean the dustproof glass See Section 1 2 8 of Chapter Vertical White Band Phenomenon White band appears in the vertical direction of printed image as shown in print sample 8 of Fig 8 2 Main Causes Silicone oil adhering to the transfer drum Drum Cleaner Transfer Drum Transfer Drum Transfer Unit Adhered silicon oil Fig 8 7 Countermeasures 1 Wipe off the oil adhering to the transfer unit and its perimeter 2 Replace the transfer drum with a new one See Section 2 8 of Chapter VI 3 If the oil adhesion is excessive replace the OPC belt cartridge and drum cleaner with new ones See Section 2 1 and 2 5 of Chapter VIII 47 r9 Black Line Blur in the Image Phenomenon Fine black line or blur appears in the printed image as shown in print sample 9 of Fig 8 2 Main Causes 1 The corona wire of the charger unit is dirty 2 OPC belt surface is damaged 3 Foreign particles paper dust etc are stuck between the cleaning blade and OPC belt 4 Debris adhering to the base of the toner cartridge s developer roller where it contacts with the OPC belt Countermeasures 1 Remove the OPC belt cartridge 1 1 Clea
165. ng brush 2 Process of Belt Cleaning Refer to Fig 4 23 i There is residual toner on the surface of the transfer drum after the paper transfer process ii The Drum cleaning brush is positively self biased and so the negatively charged residual toner is removed from the surface of the transfer drum onto the drum cleaning brush iii The Drum cleaning roller has been biased to the positive voltage FCBV V As the cleaning brush rotates the residual toner absorbed into the brush from the transfer drum is attracted by the positive FCBV V voltage on the roller and adheres to the surface of the drum cleaning roller iv Waste toner adhering to the surface of the drum cleaning roller is scavenged by the cleaning blade and collected into the waste toner pack by the waste toner feeder Cleaning Brush Fuser Cleaner West Toner Feeder Residual T Toner FCBV Drum Cleaning Unit FCBV Cleaning Roller Transfer Drum Power Supply for Fuser Cleaner Bias Fig 4 23 IV 20 1 2 Scanning System This printer employs a semiconductor laser diode as a light source This laser diode is switched according to the transmitted image data video signal The generated laser light scans over the OPC belt through a polygon mirror and lens by which method electrostatic latent images will be formed on the OPC belt 1 Structure of the Scanning System Refer to Fig 4 24 The scanner unit is located as shown in Fig 4 8
166. nto the guides at both sides in the printer Fig 6 13 Fig 6 13 7 Set the belt cartridge lock levers at both sides left and right 8 Close the top cover and the front cover 9 Press the power button to turn on the printer O The printer starts the warming up process 4 When the printer has completed warming up press the Reset button while holding down the Shift button and select PARTS LIFE and then OPC BC 1 1 VI 19 2 2 Fusing Unit Replacement Criterion of Replacement The fusing unit should be replaced with a new one according to the periodical maintenance cycle set out in Table 6 4 When the time is due for replacement of the fusing unit the following message appears on the control panel LJ READY 001 1 REPLACE FUSER Purpose of Replacement gt To prevent the print quality from declining due to the deterioration of the fixing unit s fuser rollers NwaRNING The fusing unit and its surrounding area are very hot Make sure prior to starting the replacement work that the fusing unit and its surrounding area are well cooled down otherwise you may get burned Necessary Tools and Replacement Materials gt 1 Two or three pieces of cotton cloth for cleaning 2 Fusing Unit one unit Work Procedure Sequence of Disassembling 1 After turning off the printer unplug the power cable from the power outlet 2 Open the top cover 3 Open
167. o use the default value in normal use Do not adjust these settings without authorization Description of Procedures LCD Message 1 Press the Continue button after selecting Screen a LIFE PERIOD mode 39 FACTORY MODE gt b gt LIFE PERIOD SE Using the Set button select the desired code to be set and then press the Continue button 44 LIFE PERIOD No 123456789 2 Fuser Cleaner gt 7 Belt Cartridge 8 Fusing Unit 9 120K Replacement Kit b d e ERIOD FC ROLL f 012000 P SE Use the Set W button to select the desired digit ERIOD BC U 05000 P SF Use the Continue button to input a new value to the selected blinking digit Upon completion of inputting the values to be set use the Set or W button to select SET on the LCD and then press the Continue button to register the set value ERIOD FU UNI 040000 P SE ERIOD 120K UNIT 120000 P SET Press the Font button to complete the setting work g Press the Font button one more time to 44 LIFE PERIOD return to FACTORY MODE g h No lt 123456789 gt 39 FACTORY MODE gt DP CHECK V 30 45 NVRAM TUNE UP This mode is not used in normal operations but is used when fine adjustment of the HVPSU voltage values is required Do not use this mode unless you are sure that you u
168. ode E7 Concerned Part Cleaner Clutch Check the connection of the cleaner clutch connector Is ECN11 of IOD2 properly connected to the clutch Is ECN2 of IOD2 properly connected with DCN9 of IOD1 Is of IOD1 properly connected with 11CN of MCTL PCB YES Check the voltage FBCLON N P Connect them properly YES Finished Is E7 error cleared ES Is the voltage between 11 3 and ECN2 8 of IOD2 a trailing edge Replace the cleaner clutch Y Is the voltage between ECN2 1 and 12 of IOD2 a rising edge XES Replace 1002 PCB E A 15 the voltage between ECN1 35 and 1 of IOD1 a rising edge Replace the IOD1 I Is E7 error cleared NO Replace the MCTL PCB YES 1 SGND 1 Cleaner Clutch 35 FBCLON P 35 24 1 FBCLON N Error Code E8 Fuser Clutch FUCL Concerned Part Check the connection of the fuser clutch connector Y Is ECN9 of IOD2 properly connected with a connector of the clutch NO Connect them properly YES 15 E8 error cleared Finished x Is the voltage between ECN9 3 and ECN2 8 of IOD2 a trailing edge Replace the cleaner clutch FUCL NO ME 55 Is the voltage between ECN1 20 and ECN2 12 of IOD2 a rising edge YES Replace the 1002 PCB NO Is E8 error cleared YES
169. om left and right of the base plate Ensure that the projecting part of the base cover L goes the hole the base plate bottom 4 2 5 Upper Cover 1 Open the front cover and release the belt cartridge lock levers 2 Remove the side cover 3 Remove the set screws 4 8 2 pcs securing the upper cover Top X 1 and Right hand side X 1 4 Slightly lift up the rear edge of the upper cover 5 Pull the upper cover toward you and unhook the hook at the front of the cover from the frame Upper Cover Hook Fig 7 29 VII 19 4 2 6 1001 1 Remove the set screws ST3X6 3 pcs from the shield upper 2 Disconnect all the harness connectors 14 pcs connected to the IOD1 PCB Note that the DCN3 connector is a link plug and need not be removed unless necessary 3 Remove the set screws ST3X6 6 pcs from the 1 PCB 4 Remove the IOD1 PCB Shield Cover Upper IOD1 PCB Fig 7 30 PRECAUTION When handling the IOD1 PCB take care that no damage is caused due to electrostatic charges 4 2 7 Control Fan CTFAN 1 Remove the set screw BT3X8 2 pcs and washer holding the fan and interlock assembly Fig 7 31 2 Remove the fan and interlock assembly 3 Remove the fan motor from the fan case after releasing the fan cover plastic clips Fig 7 32 oe Fan Asembly Control Fan Fan case gt pA Wy Switch Base ES AY
170. onvert it into image data and then send the printing image data to the MCTL PCB To control the sequence of processes of the Engine Controller printer Fusing Temperature Control Laser Output MCTL PCB Control Control Panel Indications Toner Empty Sensing Control Error Processing Control Interface Control To display the printer s operation status and support the control panel switches LDU PCB To control the drive and output to the laser diode in the scanner unit Control Panel PCB To discharge the OPC belt with the LEDs To send the signals from the sensors to the MCTL 1001 PCB PCB and to drive the outputs from the MTCL PCB to the motors clutches and solenoids 1002 PCB DC Power Supply To provide the printer with the power for printer LVPS PCB control To provide the printer with the high voltage power High voltage Power n supplies necessary for the printing process Supply HVU PCB 5 PDU PCB To sense the emission of the laser diode and the beam position in the scanner unit IV 29 3 Control Panel PCB 10 High voltage Power Supply HVU PCB 1 Video Controller PCB 9 Power Supply LVPS PCB Fig 4 29 IV 30 6 Erase Lamp 8 002 PCB 7 1001 2 Engine Controller MCTL PCB 2 Motors Refer to Fig 4 30 To exhaust the ozone from the printer
171. or properly YES Is D4 Error cleared NO Connect the harness Finished Check the voltage at DCLK ON N oes the voltage drop V between ECN13 3 ECN2 8 Replace the clutch DCLK with a new clutch Does the voltage between 1 4 and ECN2 12 Replace IOD2 PCB with a new one Is D4 Error cleared YES Finished Replace current MCTL PCB with a new one NO Is D4 Error cleared Re check from beginning of section Finished MCTL 12 24V 1 DCL Y ON P Name of Developer Solenoid PSL YM Check the Connector NO 15 the connection between of IOD2 and Solenoid PSL OK Is the harness of Solenoid PSL YM broken Connect the harness Connect the connector properly Is D5 Error cleared YES Finished Check the voltage at PSL YM ON N Does the voltage drop 1 24 ECN3 11 and ECN2 8 IS Replace the front cover unit with a new one y Does the voltage jump between ECN1 5 and ECN2 12 YES Replace IOD2 PCB with a new one Is D5 Error cleared Finished Replace current MCTL PCB with a new one NO NO Is D5 Error cleared YES Re check from beginning of section MCTC 1002 24 1 esuvwowew
172. ove the set screw 4 8 securing the side cover LU 3 Press the exterior of the side cover inwards L and unlock the hooks three locations from the side cover LU Fig 7 25 Upper Side Cover LU Fig 7 24 Upper Side Cover LU Side Cover L Fig 7 25 VII 17 4 2 20 Panel PCB including LCD 1 Remove the set screw BT4X10 1 pc from the panel case assembly and disconnect the connector Refer to Figure 7 26 below 2 Remove the set screws BT3X8 4 pcs from the panel PCB and remove the panel shield plate PCB and LCD from the panel case assembly Panel Case Assembly Connector Control Panel xe Disconnect the connector Fig 7 26 4 2 3 Side Cover L 1 Remove the set screw 4 8 2 pcs of side cover L 2 Remove the side cover L Slowly pull up the side cover L and release the hook from the front of the Upper cover Hook Cover L 4 2 4 Base Cover L 1 Remove the set screws TS4X8 2 pcs from the base cover L 2 Remove the base cover L from the base Note If the optional lower tray unit is fitted it will be necessary to remove the lower tray clamp screw and locking bar to release the base cover For further information refer to the User Guide Fig 7 28 PRECAUTION When re assembling the base cover insert the leading edge of the base cover L into the hook provided at the bott
173. ows Y Yellow M Magenta C Cyan K Black Reinstall the toner cartridge correctly This message will be automatically cleared by opening amp closing the front cover The engine is stopped The Ready LED is lit The OPC belt cartridge is not installed Reconfirm the installation status of the OPC belt cartridge This message will be automatically cleared by opening amp closing either the paper exit cover or front cover The engine is stopped The Ready LED is lit 7 The kind of jam location of jam is indicated as follows FEED Yellow INNER Magenta OUTER Cyan DRUM Black e This message can be cleared by pressing the Font button after opening amp closing the front cover back cover and paper exit cover LCD Message Description of Message The engine is in standby CLOSE PANEL The Ready LED is lit 18 CLOSE PANEL 8 The open cover is indicated as 8 4 follows FRONT Front Cover TOP Paper Exit Cover This message can be cleared by opening amp closing the indicated cover The engine is stopped 18 2 SET TUN The Ready LED is lit The transfer unit is open Reconfirm 18 CLOSI the installation status of the transfer unit This message can be cleared by opening and closing the rear access cover The engine is idling The Ready LED is lit This mode is cleared by sending a 19 SLEEP MODE WAKE UP command EC24 from the 4 vi
174. ox Space where the main video controller PCB is installed 4 Power Button To operate power on and off to the printer Push for On Off operation 3 INTERNAL STRUCTURE Cross Sectional View gt 4 Fusing Unit 3 Drum Cleaner 2 Cartridge 1 Toner Cartridge K Y M C 5 Transfer Unit 7 Paper Discharaer 11 Scanner Unit 8 Transfer Roller 6 Transfer Drum 9 Media Cassette 12 Register Roller 10 Paper Pick up Roller Fig 1 3 No Components Name Outline of Functions Contain the toner Y M C for developing Ponies Caring Each toner cartridge K Y M C is independent 2 OPC Belt Cartridge Forms images and includes the photoconductive belt Cleans and collects waste toner adhering to the transfer 3 Drum Cleaner druim 4 Fusing Unit Paper Discharger 9 2 4 DESCRIPTION OF CONTROL PANEL The printer control panel provides control of the printer including test printing maintenance operations performed by the video controller and also the ones which are performed by the engine controller The Video Controller Mode and the Engine Controller Mode have some common functions Under normal circumstances the functions in the Video controller mode will be used Refer to Chapter V for further information 4 1 Video Controller Mode The printer goes into the Video Controller Mode when the power is turned on by pressing the power button The Video Controller Mode
175. parencies glossy coated paper and other specialty media will result in shortened consumable life You can order it as a 40K Kit UH3508001 US UH3509001 EC You can order these item as a 120K Kit includ transfer roller paper discharger unit drum cleaner ozone filter paper feeding roller separator pad transfer drum UH3510001 After completing maintenance work clear the message displayed on the control panel Refer to the list below LCD Maintenance Consumables LCD Operator Call Consumables Message Message Toner nearly empty Toner cartridge TONER EMPTY Toner cartridge mE EE Black K COLOR Black KCMY Toner nearly empty Toner cartridge TONER EMPTY Toner cartridge Bum Cyan Magenta or Yellow CMY COLOR Cyan Magenta or Yellow KCMY Drum Cleaner Paper Discharger Transfer Roller Paper Feed Roller Separator Pad REPLACE FILTER Ozone Filter REPLACE 120K KI VI 17 2 PERIODIC MAINTENANCE PROCEDURES The printer displays messages on the control panel screen to indicate replacement is due for most of the periodic maintenance parts in both the Video Controller Mode and the Engine Controller Mode However the procedure to clear the message differs between the two modes The following sections describe the Video Controller Mode messages only and should be used when replacing parts that have reached their life If replacement parts have to be replaced for Serv
176. power button in order to shut off the power supply to the printer This switch is push on push off type 15 Unplug the power cable from the outlet N preca UTION Before unplugging the power cable confirm that the main power button located on the front of the printer is set to Off Under no circumstances power off or unplug the printer while it is performing any printing operations Do not turn the printer power back on until at least 5 seconds after powering off 3 4 2 On line Printing Video Controller Mode only Upon confirmation of correct printing by the test print modes proceed with normal On Line Printing according to the following procedures Since this service manual does not refer to the interface connection or operation of the host computer read the printer User s Guide and any manuals detailing the operation procedure of the host computer before starting normal On Line Printing 1 Connect the interface cable to the host computer 2 Push the power button to turn on the printer Power Button 3 Confirm that the printer is set to the On Line mode On Line LED is lit Confirm what is indicated on the control panel 4 Upon completion of the warming up process the Ready LED lights LJ WAIT 001 AUTO ERBEN This warming up process takes 210 seconds maximum 5 The printer starts printing upon receipt of print data transmitted from the host PC 10 CHAPTER I
177. pper cassette is supplied with the printer The optional lower tray unit and the optional Legal cassette can also be installed Note The standard cassettes including the optional lower tray unit and the optional Legal cassette are interchangeable between the upper and the lower feeder Printable Media 2 Printable size Feedable paper weight Maximum load height 5 Setting method Plain paper Envelope Transparency Label Refer to the list below 60 16lb to 160 43lb g m 27mm e Plain paper 250 sheets of 75g m 2016 paper Envelopes 15 sheets Transparency 50 sheets Label 80 sheets Pull the media cassette out of the printer toward you insert the paper into the cassette after aligning the top edge of the sheets then push the cassette back into its original position Printable Media Size The Standard Media Cassette Upper Lower feeder The Optional Legal Cassette A4 Letter B5 Executive COM10 DL width 105 216mm 4 1 8 5 length 220 297mm 8 7 11 7 Legal A4 Letter B5 Executive COM10 DL width 105 216mm 4 1 8 5 length 220 355 6mm 8 7 14 Plain paper Envelope Other size Plain paper Envelope Other size 105 to 216 mm Feeding direction face up 220 to 297mm Standard Cassette 220 to 355 6 mm Legal Cassette 11 4 2 4 2 Printed Output 250 sheets of 75g m 20lb paper plain paper can be stacked in the output tray
178. printed as Test Prints Description of Procedures LCD Message 1 Press the Continue button 2 b ERVICE gt PRIN 2 Using the Set W button select the desired pattern ex grid pattern and then press the Continue button 31 GRID PRINT b gt GRID PRINT STRIPE Using the Set or W button select the desired color ex red color and then press the Select button c 2 d 31 GRID PRINT gt Y M C K R G B After completion of the warming up process the desired pattern of the selected color will be continuously printed R YM G YC B MC Print operation is suspended by pressing the 1 Font button d e 31 GRID PRINT YM Lif 1 If it is desired to return to the previous screen message press the Font button one more time gt d 31 GRID PRINT Y M C K R G B If it is desired to return to On line mode press the On Line button f 9 ERVICE MODE EST PRINT 01 WAIT V 20 NEXT CARE INFORMATION Information relating to the replacement timing of periodical replacement parts can be obtained This is the life for each of the components in images or pages Description of Procedures LCD Message 1 Press the Continue button after selecting Screen a NEXT CARE INFO 2 b ERVICE EXT CAR Using the Set or W button select th
179. printer turn off the power supply and unplug the power cable from the power outlet before commencing any work 3 Whenever any parts are replaced confirm that all the removed and replaced parts are re installed correctly prior to testing the printer 4 Read carefully and take note of any precaution or warning labels affixed to any parts 5 Unless otherwise specified follow exactly the reverse order of the disassembly procedures for re assembly Do not get the types of removed screws mixed up and check that the screw is the correct length 6 Do no use any solvent for cleaning both inside and outside the printer 7 It is strictly forbidden to dump waste toner with flammable substances or throw it into a fire This is a very important caution to respect VI 1 1 1 1 List of Maintenance Tools Table 6 1 below lists the maintenance tools required for the printer Table 6 1 3 Phillips Screwdriver short shank 2 4 For slotted head screw M3 5 For slotted head screw M4 M5 Precision Driver Set 1 6 10 Ruler 150mm VI 2 1 1 2 List of Consumables for Maintenance Table 6 2 below lists the consumables for maintenance Table 6 2 s tme 7 Recommended Paper M Papar 2 sheets Test Print Transparency EN Cotton Cloth 10 15 pcs M G stands for Molybdenum Grease VI 3 1 2 Periodic Maintenance Cleaning See Table 6 3 for details o
180. pty Sensing Control Control Panel Control Error Processing Program Paper Empty Sensor High Voltage Unit DC Power Paper Feeding Sensor Supply Unit Toner Empty Sensor Paper Size Sensor Paper Exit Sensor OHP Sensor Drum Paper Jam Sensor Laser Control 1 X Control Block Diagram Refer to Fig 4 33 To control the sequence of printer Sequence Control operations To control the temperature of the fixing Temperature Control unit To detect the toner empty status of each Toner Empty Sensing Control toner cartridge To control the control panel indications Control Panel Control and the operational signals To sense errors occurring in the printer and control the stop procedures To control the receipt and transmission of Interface Control the interface signals from the external controller Laser Control To control laser scanning and laser power IV 37 Laser Drive Control Circuit Laser Drive Control Circuit LDC consists of the video signal input circuit laser drive circuit laser diode output sensing circuit and output control circuit as shown in Fig 4 34 Operation 1 When the video signal is received the laser drive control circuit switches the laser diode according to the video signal data 2 The radiated laser beam is sensed by the photo detector PD and the signal is fed back to the output control circuit 3 The output control circuit controls the
181. r iii The laser light is scanned onto the OPC belt by converting the laser light to a beam of light through the lens and reflective mirror to form an electrostatic latent image Process of Exposing Refer to Fig 4 13 i The OPC belt surface has been charged to the potential Vo V in the charging process ii The laser light is scanned at right angles to the forward direction of the OPC belt High speed switching of the laser is made according to the transmitted image data iv The charge of the areas radiated by the laser light is reduced to the potential VR V v An invisible electrostatic latent image is formed on the OPC belt as shown in Fig 4 13 0000 Charging Exposing Fig 4 13 IV 11 Toner Developing The developing process means that an electrostatic latent image on the OPC belt is made visible by depositing toner onto the exposed areas of the OPC belt 1 Structure of the Toner Cartridge Refer to Fig 4 8 amp 4 14 i The toner cartridge is located as shown in Fig 4 8 ii Four toner cartridges are made available from the top to bottom in the order black yellow magenta and cyan iil Each color toner is loaded in the corresponding toner cartridge 2 Process of Developing Refer to Fig 4 8 4 14 4 15 and 4 16 i Toner adheres to the developer roller of the toner cartridge Developing is processed by this roller contact
182. r Heat lamp for the back up roller lt Signal Functions gt HON N ACOFF THERR AD To turn on off the heater inside the fuser roller To turn off the relay RY1 if overheat occurs To detect the shut down by the thermistor To convert the temperature sensing signal to AD lt Controlled Temperature and Safety gt TPS TA 150C TS IV 40 Basic Structure of Fuser Control 1 CM2 1 LN gt fg 2 2 FLS N cp THERR ACOFF HON GA CPU RY 1 ACOFF P E EV 1 Fusing Unit Fig 4 35 TS TA TPS To maintain the temperature for fixing of the toner at 140 by turning the thyristor on and off Reference temperature to identify that it is excessively hot inside the fusing unit When it reaches this point the relay RY turns off the power supply to the heat lamp is shut down and the printer stops operating Limit temperature when the thermal fuse will start to melt and shut down the power supply to the heat lamp if the temperature control circuit should break down When the thermal fuse melts the printer will stop operating Safety Control by Temperature Control Signal HO H2 H3 H4 When the THERR signal is input the control panel indicates HO and the printer will stop operating If the temperature of the fixing unit does
183. r outlet 2 Open the rear access cover Fig 18 Rear Access Cover Sequence of Replacement 1 Lift the transfer roller lock lever to release the right hand end of the roller The angle of lifting the lock lever is approx 80 from the horizontal Fig 6 19 Transfer Roller g 6 VI 22 2 Push the tab of the left hand side to remove the shaft from the installation hole at the right side first then remove the transfer roller Fig 6 20 3 Install a new transfer roller into the printer 4 Fix the transfer roller with the lock lever Fig 6 20 Sequence of Assembling 1 Close the rear access cover 2 Plug the power cable into the power outlet and turn on the printer 3 Upon completion of the warming up process Press the Reset button while holding down the Shift button and select RESET PARTS LIFE and then TRANSFER ROLLER VI 23 Paper Discharger Unit Replacement Criterion of Replacement The paper discharger should be replaced with a new discharger unit at the same time as the Transfer roller according to the periodical maintenance cycle set out in Table 6 4 When time is due for replacement of paper discharger unit the following message appears on the control panel LJ READY 001 T1 REPLACE 120K KIT Purpose of Replacement To prevent the discharging efficiency from declining due to deterioration of the paper discharger unit
184. r Each V 41 98 4 5 Initial seting or Engine NVBIBIM V 42 CHAPTER V CONTROL PANEL OPERATION 1 PANEL LAYOUT Copy Pages Orientation Emulation Mode K C M Y Line Data ine Form Feed V 1 2 VIDEO CONTROLLER MODE This section describes the operation and maintenance functions in the Video Controller Mode 2 1 Configuration of Operational Mode This printer has various functions as set out in Table 5 1 for users to easily perform general test printing general settings and some maintenance work 1 Normal Mode After turning on the printer the printer goes into Normal Mode This mode provides normal printing for the end user The following section describes the toner save mode and the power save mode For other modes refer to the user s guide Line Test Mode This mode provides a self test for each function in the Video Controller Mode mainly for use when replacing the main video controller PCB Whenever the video controller is replaced these checks should be carried out This mode provides performance tests for the engine LCD control panel buttons and various sensors DRAM Test Mode This mode is provided to test the memory and any installed SIMM s on the main video controller PCB Program Version Display Mode This mode displays the firmware version of the video controller and engine controller Test Print Mode Th
185. r Unit Belt Sensor PBS Sener Bp 45 Scanner Unit Feeder L Oil Sensor OIL i 4 2 15 Transfer Drum H d VII 7 4 DISASSEMBLY PROCEDURE 4 1 Right Side of the Printer 4 1 1 Side Cover R 1 Remove the set screw 4 8 1 pc of side cover at the rear of the printer Side Cover R Fig 7 7 2 Slide the side cover R in the direction of the arrows as shown in Fig 7 8 3 Remove the side cover R by releasing the two hooks Front Cover Unit Side Cover R Fig 7 8 VII 8 4 1 2 Base Cover 1 Remove the set screws 4 8 2 pcs from the base cover 2 Remove the base cover from the base Note If the optional lower tray unit is fitted it will be necessary to remove the lower tray clamp screw and locking bar to release the base cover Base Cover R Fig 7 9 N preca UTION When assembling the base cover insert the leading edge of the base cover R into the hook provided at the bottom left and right of the base plate Ensure that projecting part of the base cover R goes into the hole the base plate bottom 4 1 3 Registration Clutch RECL 1 Remove the connector 1 pc from the IOD2 PCB 2 Remove the outer plastic C ring from the shaft 3 Pull out the registration clutch from the shaft 4 1 4 Fuser Clutch 1 Remove the connector 1 pc from the IOD
186. r from the CBV terminal push both sides of the connector as shown Fig 7 302 Pulling it hard may cause connector damage The high voltage power supply unit generates high voltages of up to 5KV You can get an electric shock if you touch the unit while it is powered on Turn on the power to the unit only after having refitted and secured side cover L 4 3 3 Interlock Switch Rear 1 2 3 4 Remove the set screws ST3X6 2 pcs from the transfer electrode base Remove the transfer electrode base from the frame Disconnect the harness 1 pc connected to the interlock switch Remove the interlock switch from the transfer electrode base MR c Interlock Switch Rear electrode base Since the interlock switch is an important safety item after installation confirm that the switch operates correctly VII 28 434 Drum Encoder Sensor 1 Remove the sensor case assembly from the frame L 2 Disconnect the connector 1 pc to the encoder sensor 3 Remove the encoder sensor from the sensor holder Drum Encoder Sensor Fig 7 46 4 3 5 Fuser Connector 1 Remove the PN PH connectors connected to the DC power supply unit 2 Remove the shoulder screws SP3 2 pcs from the fuser connector 3 Remove the fuser connector The set screw of the fuser connector is unique Fuser Connector Fig 7 47 VII 29 4 3 6 Rear Cover 1 Remove the set screw 4 8 1 pc of rear
187. r similar light For example next to a window b Where it is likely to suffer a big difference in temperature and humidity between the maximum and minimum levels Normal operation environment is within 10 C 32 5 20 80 RH and without any condensation c Where it is likely to be in a draft of cold air from an air conditioner or warm air from a heater or to receive direct radiant heat d Where it is likely to be excessively dusty or be subject to corrosive gases such as ammonia e Users should select a location with good ventilation and set the printer on a flat surface f Users should check that the maximum angle of the set up location is horizontal to within 1 Basic Layout of Printer Set up Location Fig 3 1 shows the basic layout of the printer set up location that is suitable for smooth operation and maintenance of the printer T cm 8 m na ui 5 Front Side 000 90 Fig 3 1 The space in front of the printer 70cm is necessary to open the front cover e The space at back of the printer 40cm is necessary to open close the rear access cover e The space on both sides of the printer 10cm is necessary for general access 111 1 2 UNPACKING N warnina e The package containing a printer weighs approximately 40kg 80lbs so it is too heavy for one person to carry It needs two adults to move the printer Since the p
188. ransfer drum surface at the correct Solenoid timing for drum cleaning IV 32 Layout of Clutches and Solenoids 11 Drum Cleaner Solenoid 3 Fuser Clutch 4 Cleaner Clutch 10 Transfer Solenoid 2 Registration 1 Paper Feed Clutch 8 Developer Clutch K 7 Developer Clutch Y 6 Developer Clutch M 5 Developer Clutch C 9 Developer Solenoid Unit Fig 4 31 IV 33 4 Sensors Paper Size Sensor Photo sensor to detect the paper size Photo sensor to detect when paper is Paper Feeding Sensor fed from the media cassette Photo sensor to detect that paper is Paper Exit Sensor exited from the paper exit unit Photo sensor to detect if paper is loaded in the media cassette Oil Sensor Photo sensor to detect if the fusing unit oil is empty Paper Empty Sensor Photo sensor to detect if media in the media cassette is an OHP ER Drum Jam Sensor Photo sensor to detect if paper is wound around the transfer drum Drum Encoder Sensor Photo sensor to detect rotation of the transfer drum Belt Sensor Photo sensor to detect the home position of the OPC belt Toner Empty Sensor TPD TTR Photo sensor to detect if the toner is empty for each toner cartridge Waste Toner Sensor W Photo sensor to detect if the waste toner bottle is full of toner
189. ransfer unit 3 Using a cotton cloth clean the register roller incorporated in the transfer unit to remove the paper dust Register Roller Transfer Unit Fig 6 1 NEVER use alcohol or similar solvents for cleaning the register roller VI 7 1 2 2 Cleaning the Paper Guide The paper guide should be cleaned according to the periodic maintenance cleaning cycle set out in Table 6 3 Tools to gt Cotton cloth 2 3 pieces Cleaning Procedure 1 Remove the media cassette from the printer 2 Remove paper in the media cassette 3 Using a dry cotton cloth clean the paper guide to remove paper dust 1 2 3 Cleaning the Paper Exit Roller The paper exit roller should be cleaned according to the periodic maintenance cleaning cycle set out in Table 6 3 Tools to gt Cotton cloth 2 3 pieces Cleaning Procedure 1 Turn off the power supply and unplug the power cable 2 Open the top cover paper exit unit 3 Using a dry cotton cloth clean the paper exit roller to remove paper dust Paper Exit Roller Fig 6 3 VI 8 1 2 4 Cleaning the Transfer Roller The transfer roller should be cleaned according to the periodic maintenance cleaning cycle set out in Table 6 3 Tools to gt Cotton cloth 2 3 pieces Cleaning Procedure 1 Turn off the power supply and unplug the power cable 2 Open the rear access cover transfer unit 3 Using
190. recommended in that case When the serial interface is used check the communications parameters Error in the such as baud rate code type communications parity and handshake circuit protocols When the parallel interface is used check the interface cable communication Print overrun Input buffer overflow Error in Turn off the printer Wait a communication with few seconds then turn it on the engine controller again Delete unnecessary macros ULL Card overflow y or fonts or use a new card Set the write protect button of ERROR Card write error the card to OFF if it has been set to ON Use a new card VIII 5 Install SIMMs correctly Incorrect installation ERROR of SIMMs referring to the printed error message Error in communication with Install the MIO card correctly the MIO card Use a new card If the same 47 CARD1 2 R E Card read error error occurs consult your dealer or service personnel Paper of incorrect size is loaded into XX Setthe correct size of paper is T1 2 in T1 2 Data is ignored Press the Reset button If the because of an error same error occurs you may the PostScript need to add optional SIMM language program memory Engine Controller Mode The Ready LED is lit and applicable messages appear on the liquid crystal display LCD in the following
191. red Replace the MCTL PCB YES Finished Relay Connector Erase Lamp c IIIA Fan Motor Control Cooling Check the connection of the fan motor connector Is DCN13 of IOD1 properly connected to the fan motor Is DCN1 of IOD1 properly connected with 11CN of MCTL PCB eru YES Check the voltage CTFANON P Is the voltage between DCN13 1 and 2 a trailing edge YES Replace the fan motor Connect them properly Is FO error cleared NO NO Is the voltage between DCN1 47 and 1 a trailing edge NES Replace the IOD1 PCB 15 error cleared Replace the MCTL PCB YES Finished MCTL PGND 47 CIFANON P Error Code F2 Concerned Part Fan Motor OZFAN Check the connection of the fan motor connector Y Is ECN6 of IOD2 properly connected to the fan motor Is ECN1 of 1002 properly connected with 11CN of PCB Wwe Check the voltage OZFANON P Connect them properly Is F2 error cleared NO Is the voltage between ECN6 1 and 2 a rising edge Replace the fan motor OZFAN Replace the IOD2 PCB cleared Replace the MCTL PCB YES Finished Is F2 error YE A Error Code Concerned Part Heater Fan HTFAN Check the connection of the heater fan connector Is DCN10 of IOD1 properly
192. rew ST3X6 1 pc from the left hand side transfer unit metal retaining plate 4 Remove the metal retaining plate 5 Remove the support shaft from the installation hole at the right hand side while lifting the unit slightly Metal retaining plate EN Support shaft Fig 7 67 6 Remove the transfer unit with the rear access cover 7 Remove the set screws ST3X8 4 pcs from the transfer unit 8 Remove the transfer unit from the rear access cover Transfer Unit Rear Access Cover L Note When reassembling the transfer unit install the support shaft into the right hand hole first VII 40 4 6 2 Transfer Roller 1 Lift the transfer roller lock lever to release the right hand end of the roller The angle of lifting the lock lever is approx 80 from the horizontal 2 Push the tab of the left hand side to remove the shaft from the installation hole at the right side first then remove the transfer roller 3 Remove the transfer roller Transfer Roller Lock lever Fig 7 69 4 6 3 Register Roller Remove the roller fixing C rings from both ends of the roller Remove the gear from the shaft left hand side Remove the plastic bushes at both ends Remove the shaft support from the frame while pressing down on the pressure roller to release the pressure from the register roller 5 Remove the register roller A Gear es bs Plastic bush ring 3 74 R
193. rinter is a precision machine make sure that it is carried slowly with care so that no impact occurs to the printer while moving it Do not attempt to lift a printer when it is covered by the vinyl bag because it is slippery and may result in damage and injury if dropped 2 1 Unpacking the Printer Refer to Fig 3 2 on the next page Remove the binding tape from the top of the package 2 Open the top of the package and take the starter kit out 3 Remove the upper packing 4 Take the customize kit out 5 Remove the plastic joints 4 locations 6 Lift the outer box up from around the printer 7 Take the power cable for US Canada only 8 Open up the vinyl bag enclosing the printer 9 Lift up the printer with another person s help and move it away from the vinyl bag 0 Set up the printer in a suitable location For USA Canada it contains the user s guide and printer driver disks For other countries it contains the user s guide printer driver disks and the power cable 111 2 6 11 Starter Kit Packing 0 Polyethylene Bag Se Polyethylene Bag ST f Silica Gel EN Upper Packing Power ARS Q Cord Costomize Cleaning 71 Kit Brush Polyethylene Bag EN Fig 3 2 2 2 Unpack the Starter Kit Unpacking Procedure 1 Open the vinyl bag and slide off the cardboard sleeve covering the sta
194. rlock switch is an important safety item after installation confirm that the switch operates correctly VII 25 4 3 4 3 1 Left Side of the Printer MCTL PCB CAUTION Remove the Main Video Controller PCB before starting this disassembly Remove the set screws ST3X6 3 pcs from shield cover A Remove the shield cover A Remove the set screw ST3X6 1 pc from shield cover Slide the cover upwards and remove it Disconnect all the harness connectors 5 pcs connected to the MCTL PCB Remove the set screws ST3X6 4 pcs from the MCTL PCB Remove the MCTL PCB PRECAUTION Read the internal RAM counter information from the MCTL PCB prior to replacing the MCTL PCB When handling the MCTL PCB ensure that no damage is caused due to electrostatic charges Fig 7 41 VII 26 4 3 2 High Voltage Unit 1 Remove the Main Video Controller PCB guide rail upper Main PCB guide rail upper Fig 7 42 2 Remove the set screws ST3X6 5 pcs from shield case A assembly 3 Remove the fan duct from the power supply Fan duct Shield case A Fig 7 43 4 Disconnect all the harnesses 5 pcs connected to the high voltage unit 5 Remove the set screws ST3X6 1 pc and BT3X8 6 pcs from the high voltage power supply unit 6 Remove the high voltage power supply unit VII 27 High Voltage Unit Fig 7 44 CAUTION When disconnecting the connecto
195. rs on every other page as shown in print sample 20 of Fig 8 2 Main Causes 1 Cleaning failure due to lifting of the cleaning brush of the drum cleaner 2 Contact failure of the drum cleaner s bias pole 3 Failure of DC high voltage unit Countermeasures 1 Check if the drum cleaner is properly installed or not 2 Replace the failed DC high voltage unit with a new one See Section 4 3 2 of Chapter VII VIII 53 1 21 Insufficient Gloss Phenomenon Gloss of the print is not sufficient as shown in print sample 21 of Fig 8 2 Main Causes 1 The fuser cleaner is stained 2 The fuser roller is deteriorated Countermeasures 1 Replace the fuser cleaner with a new one See Section 3 3 of Chapter 111 2 Replace the fusing unit with a new one See Section 2 2 of Chapter VI Note When replacing the fusing unit wait approximately for 30 minutes after the new unit is installed to allow the fusing oil to circulate in the new fusing unit 1 22 Back Stain Phenomenon Back side of the print paper is stained as shown in print sample 22 of Fig 8 2 Main Causes Fusing unit 1 The cleaning pad of the fuser cleaner is stained 2 Silicone oil in the oil bottle is short 3 The fuser roller and back up roller are dirty Countermeasures 1 Replace the fuser cleaner with a new one See Section 3 3 of Chapter 111 2 Clean the fuser roller and back up roller 3 Replace the fusing unit with a new one See Sect
196. rter kit 2 Confirm all of the following parts are inside the starter kit packing box Toner Cartridge SONS 4 4 OPC Cartridge E u di 3 lt N preca UTION When shipping the printer remove the oil bottle and the fuser cleaner from the fusing unit After removing the oil bottle be sure to remove the oil remaining in the fusing unit with the supplied syringe Failure to do so will cause severe damage to the printer 1 1 1 1 111 4 3 INSTALLATION WORK Install the unit parts of the starter kit into the printer according to the following procedures 3 1 Install the OPC Belt Cartridge NenEcAUTION Do not directly touch the OPC belt surface with bare hands or gloves If the belt is exposed for more than two minutes to a light source of 800 lux the belt may be damaged 1 Open the front cover and the top cover by releasing the latches N caution When installing or removing the OPC belt be sure to open the front cover first Failure to do so will cause the OPC belt to be damaged due to contact with the toner cartridges 2 Release the belt cartridge lock levers left amp right Belt cartridge lock lever Left o7 S Belt cartridge AE 24 lock lever Right Fig 3 4 3 Pull and remove the tension release OPC Belt pins on both sides left amp right of the Cartridge belt cartridge 4 Remove the protective sheet from the new OPC belt cartridg
197. rum from the top of the printer Note e For easier removal push the drum upwards and diagonally forwards e When re assembling the transfer drum slide the drum shaft between the metal plates and ensure the arum is fully located into the correct retaining position PRECAUTION Do not touch the transfer drum surface with your bare hands or scratch it Protect the drum surface during handling VII 22 Transfer Drum ES Fig 7 36 4 2 12 Erase Lamp 1 Disconnect the harness 1 pc connected to the erase lamp 2 Remove the erase lamp from the holder Holder Harness Erase Lamp Fig 7 37 VII 23 4 2 13 Drum Jam Sensor DPJ 1 Remove the cover F by lifting the left hand end of the cover and sliding the cover to the right to release the catches 2 Disconnect the drum jam sensor connector 3 Remove the drum jam sensor Fig 7 38 4 2 14 Oil Sensor OIL 1 Remove the set screw ST3X6 2 pcs from the oil sensor 2 Disconnect the oil sensor connector 3 Remove the oil sensor assembly Oil Sensor Assembly Lt Q Fig 7 39 C VII 24 4 2 15 Interlock Switch Front for Front Cover 1 Remove the set screw 1 pc and washer to remove the switch assembly from the stay U 2 Remove the connector 3 Remove the interlock switch from the switch case Switch case Interlock Switch Fig 7 40 Since the inte
198. s Automatic Emulation Selection The printer can automatically select the printer emulation mode depending on the print commands it receives from the computer software With this feature many users can share the printer on a network Data Compression Technology The printer can internally compress the received graphics and font data in its memory so that it can print larger graphics and more fonts without additional memory Various Fonts The printer has 75 scalable fonts and 12 bitmapped fonts The fonts that can be used vary according to the current emulation mode CCITT G3 G4 Since the printer supports the CCITT G3 G4 format in addition to HP compatible formats it can quickly receive and print data compressed in this format Lock Panel If the panel button settings have been changed the printer may not work as expected It is possible for the administrator of the printer to lock the settings to prevent changes from being made Power Save Mode The printer has a power saving mode As laser printers consume power to keep the fixing assembly at a high temperature this feature can save electricity when the printer is on but not being used The factory setting of the Power Save mode is ON so that it complies with the EPA Energy Star new specification Compared with conventional laser printers this printer consumes less power even when the power saving mode is turned off Toner Save Mode The printer has an economical toner sav
199. s 7 8 and 9 is required to transfer the image to the paper from the transfer drum ready for fixing by actions 10 and 11 Print System Exposing 1 Charging 2 x lt lt Developing Y 3 4 OPC Belt K 6 OPC Belt Cleaning Belt Discharge Transfer Drum First Transfer Transfer Drum K Transfer System 7 Y Second Transfer Paper 8 10 Transport System Nu Paper Dischanging Y Fusing Paper Exit Fig 4 7 IV 6 9 Transfer Drum Cleaning 1 1 1 1 Structure of the Printer 6 Belt Discharger Erase Lamp Discharges the Bet 8 TenserRole Transfering o Paper Discharger Discharges the Paper 10 Drum Cleaner 4 OPC Belt Cartridge 11 Fusing Unit 3 Toner Cartridge K Y M C 12 Paper Exit Unit Transfer Unit 2 Scanner 9 Paper Discharger Unit 8 Transfer Roller 5 Transfer Drum 13 Register Roller Paper Pick up Roller 6 Erase Lamp 7 Cleaning Blade 1 Charger Media Cassette Fig 4 8 IV 7 Basic Structure of the Printing System A toner image is formed through the potential of the OPC belt varying in each of the charger exposure development transfer and cleaning processes 1 Process of Print System See Fig 4 9 i The OPC belt is biased to the voltage CBV V by the power supply CBV ii A negative high volta
200. s in the range of 5 2 mm the printer is installed correctly Refer to the figure for Step 3 PR99010 6 If the gap is NOT in the range of 5 2 mm follow the steps below i When the gap is more than 7 mm the OPC belt has moved to the right Place something 1 cm thick such as a book under the right hand side of the printer as shown in the figure on the right Initialize the printer again and then measure the gap on the OPC belt cartridge If the gap is in the range of 5 2 the printer is installed correctly 4 Printer base Metal frame When the gap is less than 3 mm the OPC belt has moved to the left Place something 1 cm thick such as a book under the left hand side of the printer as shown in the figure on the right Initialize the printer again and then measure the gap on the OPC belt cartridge If the gap is in the range of 5 2 the printer is installed correctly Book lo Printer base Metal frame Note e Place the book or other object 1 cm thick under the printer metal frame as shown in the figures above Even if the Lower Tray unit is installed onto the printer the book should be positioned in the same position f you have a spirit level put it on the output tray and install the printer as level as possible referring to the level e The surface that the printer is placed on shou
201. sette Confirm whether the applicable paper cassette is loaded with paper Press the Feeder button if the media needs to be changed The engine is idling The Ready LED is lit NO PAPER 11 NO MEDIA 1 1 Applicable paper feeder paper 4 empty condition is indicated as follows UPP Upper Cassette LOW Lower Cassette Replenish the empty cassette with paper Press the Form Feed button if the media needs to be changed The engine is idling The Ready LED is lit NO TRAY 12 NO TRAY 1 1 Paper feeder without the paper 4 cassette is indicated as follows UPP Upper Cassette LOW Lower Cassette Install the applicable media cassette to the paper feeder indicated on the LCD The engine is ready to print The Ready LED is lit 5 The toner empty condition is indicated by the color code as follows Y Yellow M Magenta C Cyan K Black e Replace the indicated toner cartridge with a new one of the correct color LCD Message Description of Message The engine is idling The Ready LED is lit Replace the fuser oil bottle with a new 14 CHECK one FUSER O This message will be automatically cleared by opening amp closing the paper exit cover CHECK FUSER OIL The engine is idling 14 CHECK CLEANING The Ready LED E lit ROLLER 4 FC Replace the cleaning roller with a new one Execute the Clear Care Mode after the replacement of the cleaning roller to clear the
202. supplied with the printer lt Cleaning Procedure gt 1 Turn off the power supply 2 Open the top cover and the front cover 3 Release the belt cartridge lock levers to pull out the OPC belt cartridge 4 Clean the OPC belt cartridge i Remove any toner on the corona wire with the brush supplied with the printer Fig 6 7 ii Clean the OPC belt cartridge case with a cotton cloth Cleaning brush location Corona Wire e Besure to dry the OPC belt cartridge completely when cleaning it with a damp cotton cloth Do not clean the OPC belt cartridge by using any solvents 11 1 2 7 Cleaning the Transfer Drum The transfer drum should be cleaned according to the periodic maintenance cleaning cycle set out in Table 6 3 Tools to gt Cotton cloth 2 3 pieces Cleaning Procedure 1 Turn off the power supply 2 Open the rear access cover 3 Clean the surface of the transfer drum with a dry or damp cotton cloth Transfer Drum Be sure to dry the transfer drum completely after cleaning it with a damp cotton cloth Do not clean the transfer drum by using solvent Do not touch the transfer drum surface with bare hands or scratch it VI 12 1 2 8 Cleaning the Dustproof Glass in the Scanner Unit The dustproof glass in the scanner unit should be cleaned according to the periodic maintenance cleaning cycle set out in Table 6 3 Tools to gt
203. supplies the general test printing and setting functions and some of the maintenance operations If further engine settings are required use the Engine Controller Mode 4 2 Engine Controller Mode The printer goes into the Engine Controller Mode when power is turned on by pressing the power button at the same time as holding down the Mode Set and buttons Refer to Fig 1 4 Note This mode provides unique control panel display and operation functions which are completely different from the ones described on the actual control panel or in the user s guide Refer to Chapter V for detailed information Copy Pages Orientation Feeder Emulation Mode K lt a Line Data O O O Sel Form Feed 1 0 O Reset Fig 1 4 LED Button Name LCD 16 character by 2 lines Ready LED On Line LED Data LED 6 FormFeed Feederbutton 8 Mode Emulationbuton 9 Font Economy button CHAPTER II SPECIFICATIONS CONTENTS CHAPTER II SPECIFICATIONS eere 11 1 EGIMUS P a MU D MD RC NCC CK DPI 11 1 e GENERAL SPEGIFRICA TONS Il 2 e a Cano E E VN UE E ER E ET E Il 2 T A T A A Il 3 2 3 Electrical and Mechanical ERE INT AA iA Il 3 24 Paber 5
204. t sizes of paper can be used Even envelopes can be loaded from the media cassette Three Interfaces This printer has a high speed IEEE 1284 compliant bi directional parallel interface an RS 232C serial interface and a modular input output MIO compatible interface If the application software supports the bi directional parallel interface you can monitor the printer status It is fully compatible with the industry standard IEEE 1284 bi directional parallel interface The RS 232C serial interface is an industry standard so that you can connect it to any computer using a standard serial cable The MIO interface allows you to install a commercial MIO compatible card If the card is installed this interface port can be used for features such as networking or printer sharing Automatic Interface Selection The printer can automatically select the bi directional parallel RS 232C serial or MIO interface depending on the interface port through which it receives data With this feature the printer can be connected to more than one computer Five Emulation Modes The printer can emulate Hewlett Packard Color PCL 5C PCL6 in monochrome mode and PostScript Level 2 language emulation Brother BR Script Level 2 printers the industry standard HP GL plotter as well as EPSON FX 850 and Proprinter XL printers in monochrome mode It is possible to print with all application programs that support one of these printer
205. t the test pattern Prints out a list of panel button settings you have configured as user settings for the printer Prints out a list of permanent download fonts Exits from the test mode The printer does not perform any test 10 Push the power button in order to shut off the power supply to the printer Note use the following procedures to identify the problem if the test print is incorrect 11 Press and hold down the Mode Set and buttons and press the power button a to go into the Engine Controller Mode The Ready LED lights within 210 00 READY d seconds maximum when the screen a Us Uh dE lt a on the right appears on the control panel display 12 Press the Select key then the screen b b on the right appears on the control panel display SERVICE MODE gt TEST PRINT NEXT 13 The printer has two built in print patterns for test printing in the Engine Controller Mode as follows Use the Set or button to scroll through the menu options and then press the Continue key to perform the selected test print Grid Press Font to stop the test print 1 Grid Pattern Available in mono color print of Y M C K and two color print of R G B 2 Stripe Pattern Available in color print of Y M Stripe B 111 9 14 Press the Font button to stop the test print and then push the
206. ta E1H will be printed as beta IBM E1H ESSZET E1H will be printed as esszet W BOLD ON OFF W BOLD OFF Disable bold in double strike printing mode in IBM amp EPSON W BOLD ON Enable bold in double strike printing mode in IBM amp EPSON DLFNT DLFNT Bd It YES Enable bold and italic from the downloaded fonts DLFNT Bd It NO Disable bold and italic from the downloaded fonts B PROD ON OFF B PROD ON Enable bold and italic from the bit map fonts B PROD OFF Disable bold and italic from the bit map fonts CONDENSE SELECT CONDENSE 1606 66 Set condensed print to 16 66 cpi CONDENSE 17 14 Set condensed print to 17 14 cpi I OEM FONT SELECT FONT DISABIIBiSable OEM font selection OEM FONT ENABLEnable OEM font selection BRO FONT SEL BROBITM DISABLBDisable internal 10 12 bit map Brougham font BROBITM ENABLE Enable internal 10 12 bit map Brougham font ISR FONT SELECT ISRFONT DISABLE ISRFONT ENABLE 800DPI PRIORITY 3B PRIOZLOW 300dpi bitmap priority normal A 19 3B PRIO HIGH 300dpi bitmap priority high lt 3B PRIO LOW gt 1 DOWNLOAD 600 2 DOWNLOAD SCALABLE 3 CARD 600 4 CARD SCALABLE 5 CART 600 6 CART SCALABLE 7 RESIDENT 600 8 RESIDENT SCALABLE 9 DOWNLOAD 300 10 CARD 300 11 CART 300 12 RESIDENT 300 lt 3B PRIO HIGH gt DOWNLOAD 600 DOWNLOAD 300 DOWNLOAD SCALABLE CARD 600 CARD 300 CARD SCALABLE CART 600 CART 300 CART SCALABLE RESIDENT 600 RESIDENT 300
207. tal direction as shown in print sample 12 of Fig 8 2 Main Causes This is a transfer failure due to the shock caused when the OPC belt seam passes over the cleaning blade Belt seam Fig 8 8 Countermeasures Replace the OPC belt cartridge with a new one See Section 2 1 of Chapter VI VIII 49 13 White Band Phenomenon White banding line appears in the horizontal direction and consequently causes a missing image as shown in print sample 13 of Fig 8 2 Main Causes 1 Installation failure of the transfer unit and deformation of the transfer roller 2 Contact failure of the transfer roller bias pole 3 Transfer solenoid failure Countermeasures 1 Confirm if the transfer unit is properly locked in position and that both ends of the transfer unit are held by the hooks 2 Confirm if the transfer unit is properly installed or not 3 Replace the transfer solenoid with a new one See Section 4 1 14 of Chapter VII 4 Replace the transfer unit with a new one See Section 4 6 1 of Chapter VII Phenomenon Toner spot stain is caused on the print by toner dropping within the printer engine as shown in print sample 14 of Fig 8 2 Main Causes 1 Toner drops onto the transfer drum due to the breakdown of the waste toner feeder 1 1 Mylar of the waste toner feeder is deformed 1 2 Waste toner is not properly collected by the waste toner feeder Drum Cleaner Cleaning brush W
208. te XX LOAD PAPER XX is T1 T2 SIZE The message appears alternately to show a particular size EMPTY XXXX Load the requested size of paper in the media cassette and press the Form Feed button VIII 3 Request to load paper MANUAL FEE manually The SIZE message appears alternately to show a particular size Load the requested size of paper into the standard media cassette and press the Select button Turn off the printer and ECK FONT iha pti nal tont card reinstall or replace the P optional font card Turn off the printer re install Font card removed the font card and turn on the 20 FONT REMOVAL while the printer is on printer The Continue button line will allow you to temporarily ignore this message 22 WASTE TONER WASE toon pacte iuh Replace with a new one of toner 23 OIL EMP TY No oil in the oil bottle Replace with a new one 24 CHANGE FCR Change tie user Replace with a new one cleaner Remove fusing unit and then refit it Confirm correctly installed and clamped Remove the OPC belt OPC belt cartridge not cartridge and then refit it Fusing unit not installed T installed Confirm correctly installed and locked Remove fuser cleaner and then refit it Confirm correctly installed and clamped Fuser cleaner not installed Change
209. the EACH IMAGE SET counter in FACTORY MODE ii Perform CLEAR CARE 7 Refer to 36 CLEAR CARE in page V 24 of Chapter V iii Check that the value of NEXT CARE is reset correctly i e NC7 2 49 135P iv Reset the LIFE PERIOD counter in FACTORY MODE to 50 000 6 Re enter the FU UNIT NC8 value as follows i Enter the value of NC8 LP8 into the TOTAL PAGE counter i e NC8 LP8 39 684 60 100 20 416 Since the above result is minus reduce the value of LP8 is 30 000P in order to make the result plus then enter it into the LIFE PERIOD SET counter in FACTORY MODE The formula is as follows NC8 LP8 39 684 30 000 9 684 Enter the value 9 684 in TOTAL PAGE ii Perform CLEAR CARE 8 Refer to 36 CLEAR CARE in page V 24 of Chapter V A 9 iii Check that the value of NEXT CARE is reset correctly 1 NC8 39 684P iv Reset the LIFE PERIOD counter in FACTORY MODE to 60 100 Re enter the 120K KIT NC9 value as follows i Enter the value of NC9 LP9 into the TOTAL PAGE counter i e NC9 LP9 120 000 120 000 0 Enter the value 0 into the TOTAL PAGE counter ii Perform CLEAR CARE 9 Refer to 36 CLEAR CARE in page V 24 of Chapter V Check that the value of NEXT CARE is reset correctly 1 NC9 120 000P Re enter the original TOTAL PAGE T value in TOTAL PAGE SET in FACTORY MODE 412 Re enter the original EACH IMAGE IY IM IC IK values in EACH
210. the electrical parts in the printer Printer interior Toner vacuum cleaner Fig 6 10 VI 14 1 3 Periodic Maintenance Parts and Maintenance Cycle Maintenance Work should be implemented according to the Periodic Maintenance Parts and Maintenance Cycle set out in Table 6 4 VI 15 Table 6 4 Periodic Maintenance Parts and Maintenance Cycle Maintenance Parts Replacement Cycle 1 Condition or Case 50K images or 12 months whichever comes first 40K prints 120K prints 120K prints OPC Belt Consists of the OPC belt and forms Cartridge an electrostatic latent image UH3470001 US Fixes the toner image onto the Fusing Unit 2 UH3471001 EC transported paper Transfers the toner image from the Transfer Roller 3 UH3480001 transfer drum onto the transported paper Paper Discharger UH3481001 Separates paper from the transfer Unit 3 drum Every 12 months 120K prints 300K images 120K prints Ozone Filter 3 UH1945001 Absorbs ozone Pad 1779 UH3485001 Picks up sheets of paper one by one Separator Pad 3 Forms the toner image and transfers Transfer Drum 3 UH3484001 it onto paper UH3486001 from the media cassette VI 16 These figures are based on an average of 5 coverage of the printable area for one color using laser paper The frequency of replacement will vary depending on the complexity of the prints the percentage of coverage and the type of media Trans
211. the polyethylene bag Protective Sheet 5 Put the belt cartridge into the original starter kit packing Starter Kit OPC Belt Packing Cartridge Do not directly touch the OPC belt surface with bare hands or gloves If the belt is exposed for more than two minutes to a light source of 800 lux the belt may be damage If you do not have the original starter kit packing pack the OPC belt cartridge firmly with bubble sheet and put it into the outer carton 6 3 Fusing Unit 1 Open the rear access cover and slacken the fusing unit securing screws 2 pcs 2 Holding the handles at both ends of the fusing unit and remove the fusing unit from the printer 3 Remove the oil bottle and the fuser cleaner from the fusing unit and put each of them into the polyethylene bag Fuser Cleaner Pack the oil bottle in the polyethylene bag and seal it firmly Failure to do so will cause oil spill during shipping and damage to the printer 4 Put the oil bottle and the fuser cleaner into the original starter kit packing Oil Bottle 5 Remove the oil remaining in the fusing unit with the supplied syringe to avoid oil spill in the printer Note Re install the fusing unit into the printer after cleaning the printer as instructed in the following section For re install of the fusing unit see Section 6 6 Packing 6 4 Waste Toner Pack 1 Remove the waste toner pack from the printer
212. the position A and B of top margin Leading edge B 2 lt Specification Value 4 5 1 5mm 3 Measure the position C and D of left margin Left edge C D 2 x Specification Value 3 5 1 5mm 4 If the specification value is not met implement the adjustment i Execute 43 MARGIN ADJUST in the FACTORY MODE 5 After adjustment execute GRID PRINT and confirm the margins Leading edge A B Left Margin C Guarantee Feeding Direction Area D Fig 5 2 V 39 3 4 2 Setting of Engine NVRAM Data As data in the NVRAM has been preset to the optimum value at the factory it is not necessary to change the preset values under normal conditions However fine adjustment may be required subject to the media or operational conditions Purpose Print quality can be improved by changing the preset value in the engine NVRAM Procedures of Setting 1 Follow the procedures set out in Section 2 3 Service in this chapter 2 Select RAM TUNE UP mode 3 Select the desired TUNE UP mode 4 Adjust the preset value to the appropriate value step 5 Carry out a test print to confirm the print quality Subject TUNE UP Mode LP TUNE UP Adjustment of laser power Optical density TUNE UP Adjustment of transfer voltage Transfer efficiency DBV TUNE UP Adjustment of developer bias Optical density CBV TUNE UP Adjustment of OPC belt bias Optical density FBV TUNE UP Adjustm
213. the rear access cover and slacken the fusing unit securing screws 2 pcs Fig 6 14 Note Place paper on the transfer drum surface to protect it when slackening the screws 4 Holding the handles at both ends of the fusing unit and remove the fusing unit from the printer Fig 6 15 5 Remove the oil bottle and the fuser cleaner VI 20 PR9831 1 NcA UTION When removing the fusing unit take care to keep the unit level so that no oil leakage or spillage occurs When shipping the printer remove the oil bottle and the fuser cleaner from the fusing unit After removing the oil bottle be sure to remove the oil remaining in the fusing unit with the supplied syringe Failure to do so will cause severe damage to the printer Sequence of Replacement 1 Prepare a new fusing unit before starting the replacement work 2 Pull out the orange protective parts fitted between the rollers of the fusing unit out Fig 6 16 3 Install the oil bottle and fuser cleaner to the new fusing unit Protective part Sequence of Assembling 1 Install the new fusing unit onto the printer i After setting the fusing unit in place lightly press down the unit to firmly connect to the connector on the base Fig 6 17 ii Tighten the securing screws while pressing down the fusing unit Check the metal hook of the screw at the left hand secures the fusing unit correctly iii Close the rear
214. ther color 45 LP TUNE Y M C Press the Font button to finish the adjustments e gt f 45 NVM TUNE UP No lt 123456789 gt V 32 THV TUNE UP This mode shall be used when the transfer voltage needs to be adjusted due to errors such as transfer failure onto the media The adjustment is used to change the transfer voltage subject to the media to be used against the reference value 0 zero in the range 4 to 4 Note Do not perform this mode frequently Description of Procedures LCD Message 1 Press the Continue button after selecting Screen NVM TUNE b 39 FACTORY MODE NVM TUNE UP After selecting THV TUNE UP Code 2 press the Continue button b 2 After selecting the media to be adjusted b 45 NVM TUNE UP press the Continue button Ex PPC No lt 123456789 gt c gt d Adjustment can be made in 8 steps between 4 and 4 45 THV TUNE UP PPC OHP LABE After selecting a given number press the Continue button d 45 Press the Font button to finish the adjustment lt 432101234 gt d gt Repeat steps 3 to 5 for other media such as 45 THV TUNE UP OHP or Labels PPC OHP LABE Press the Font button to finish the adjustments e gt f lt 123456789 gt V 33 DBV TUNE UP This mode shall be used when the image optical density needs to be adjusted
215. to damaged to the fusing unit connector Are the connectors connected between the fusing unit and BCN of the high voltage unit HVU OK Re install the fusing unit YES NO Replace the charger unit or belt cartridge Connect them properly Is HO error cleared Finished Replace the fusing unit lt Is HO error cleared S HO Replace the IOD1 or MCTL PCB YES Finished Fuser Connector Fusing Unit 26 Error Code H2 H3 H4 Concerned Part Fusing Unit and Others Confirm that the fusing heater is lit NO BE lt Is the fusing heater switching on and off Confirm the wiring and connector of the heater YES Confirm the input voltage Are the connector HP HN connected Connect them properly Confirm the rating and replace ES Is the rating of fusing heater correct the fusing heater Is the fuser unit properly installed Is the line voltage thecorrect value YES Install it properly Are H2 H3 and H4 errors cleared XES Is the fuser connector damaged Replace the connector NO NO NO Replace the fusing unit lt Isthe heater wiring cut or damaged y Replace the heater YES NO Are H2 H3 and H4 errors cleared Are H2 H3 and H4 errors cleared pe NO YES Are H2 H3 and H4 errors cleared NO Repl
216. tting diodes LEDs Process of Discharging Refer to Fig 4 19 Though the toner image was transferred to the transfer drum in the drum transfer process there is still a residual charge on the OPC belt ii The residual charge VR on the OPC belt is discharged by the radiation of the erase lamp light prior to cleaning the belt UN Belt cleaning BI Belt discharging Drum transferring Erase Lamp Fig 4 19 IV 16 ES Belt Cleaning The belt cleaning process means that the residual toner adhering to the OPC belt surface is mechanically scavenged 1 Structure of Belt Cleaning The blade for the belt cleaning is located relative to the OPC belt cartridge as shown in Fig 4 8 2 Process of Belt Cleaning Refer to Fig 4 20 There is residual toner on the OPC belt as it has not been completely transferred in the drum transfer process Residual toner is mechanically scavenged by the blade edge The scavenged residual toner is collected in the waste toner pack by the waste toner feeder Q UM Belt cleaning Blade discharging Drum transferring Erase Lamp Fig 4 20 IV 17 Second Transfer Paper The second transfer process is where the toner image on the transfer drum is transferred onto the transported paper 1 X Second Transfer Structure i The transfer roller for the paper tr
217. unit of this printer have electrical safety interlocks to turn the power off whenever they are opened Do not attempt to circumvent these safety interlocks Label Location 1 Hot Caution Label 2 Laser Caution Label 3 Rating Label N WARNING N WARNUNG AVERTISSEMENT Hot surface HeiBe oberfi che Surface chaude Avoid contact Bei beseitigung Eviter tout contact For US For Europe 5mW 780nm 800nm DANGER INVISIBLE LASER RADIATION WHEN OPEN AVOID DIRECT EXPOSURE TO BEAM VORSICHT UNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GE FFNET UND SICHERHEITSVERRIEGELUNG BERBR CKT NICHT DEM STRAHL AUSSETZEN RAYON LASER INVISIBLE LORS DE L OUVER TURE EVITER L EXPOSITION DIRECTE RADIACION LASER INVISIBLE AL ABRIR EVITAR LA EXPOSICION DIRECTA AL HAZ Bi cec Vv VIMOfSSU EARS K S705 IGERUTCT RU DANGER PELIGRO R MAS U e CLASS 1 LASER PRODUCT APPAREIL LASER DE CLASSE 1 LASER KLASSE 1 PRODUKT esL MODEL HL C1 05249217 111101 MANUFACTURED NOVEMBER 1997 ES LTI 120V 50 60Hz 8 0A BROTHER INDUSTRIES LTD MADE IN JAPAN ID B3QHLC1 BROTHER PRINTER HL SERIES COVERED Y ONE OR MORE FOLLOWING PATENTS n 968 159 USPS 050 228 USP5 068 805 USPS 086 481 USPS 093 904 USPS 126 788 9260 rener IAN N CLASS 1 LASER PRODUCT APPAREIL A LASER DE CLASSE 1 LASER KLAS
218. used to reset the counters after replacement of faulty consumables before their life expectancy is reached For normal life replacement use the resets available in the Video controller mode Description of Procedures LCD Message 1 Press the Continue button after selecting Screen a CLEAR CARE mode SE a b ae Using the Set or button move the cursor to select the applicable CARE code and then press the Continue button 36 CLEAR CARE No 1 2 3 4 5 6 7 8 9 b gt To clear the counter in CLEAR CARE use the Set or W button to select YES and then T press the Continue button YES NO Fuser cleaner 0 belt cartridge d CARED BC UNIT CARED FC ROLL Fusing Unit e gt YES NO f CARED FU UNIT Press the Font button to exit the CLEAR gt CARE mode g gt 120K replacement kit CARED 120K UNIT YES NO 36 CLEAR CARE lt 1 2 3 4 5 6 7 8 9 gt EST PRINT V 24 MEDIA MANAGE The signal from the OHP sensor can be ignored when the media is selected to OHP However this mode should not be used under normal circumstances Description of Procedures LCD Message 1 Press the Continue button after selecting Screen a MEDIA MANAGE ERVICE MODE a gt b EDIA MANAGE Sel
219. ve image Transfer Roller Clean roller and surrounding area using a 124 Smeared paper VI 5 Periodic Maintenance Cleaning Work Table 6 3 Parts Name Cleaning Work Cleaning Cycle 1 Description Condition or Case Remove the transfer drum Defective image 7 Transfer Drum Clean the dirt from the transfer drum ie Periodic surface using a cloth Remove the toner cartridges and the OPC Dustproof belt cartridge Defective image Glass of Remove the dust proof glass zen Periodic maintenance Scanner Unit Using a dry cloth and swab clean the dirt from the dust proof glass Remove the toner cartridges and OPC EE Printer Interior belt cartridge Defective image Unit Clean the printer s base using a toner Periodic maintenance vacuum cleaner and dry cloth Note 1 periodic maintenance agreement has been made checks will be made at every periodic maintenance service to prevent any problems from occurring UTION The register roller paper guide and paper exit roller should be cleaned every 20K prints Failure to do so may cause paper jams inside or outside of the printer VI 6 1 2 1 Cleaning the Register Roller The register roller should be cleaned according to the periodic maintenance cleaning cycle set out in Table 6 3 Tools to gt Cotton cloth 2 3 pieces Cleaning Procedure 1 Turn off the power supply and unplug the power cable 2 Open the rear access cover t
220. wn the Font button until Year Month Date of the program is displayed Year Month Date 3 Press the Continue button Hour Minute Second of the program is displayed Hour Minute Second 4 Press the Continue button Year Month Date of the font data is displayed Year Month Date Hour Minute Second 6 Press the Continue button The version of the program and font data is displayed Version 7 Press the Continue button The version of the engine firmware is displayed V 9 2 6 Test Print Mode This mode prints the specified pattern continuously in order to check the engine Procedure 1 Turn the printer to off line 2 While holding down the Shift button press the Sel button The message TEST PATTERN appears Press the SET button to enter the test mode and use the A and buttons to select a test One of the following menu displays appears LCD Display Check item TEST Halftone reproduction TEST PTN 2 G H Line reproduction TEST K2 Color reproduction registration and jitter TEST STRIPE Fusing 2 7 NVRAM Reset Mode This mode forces the NVRAM value of the video controller to be reset to the factory settings Procedure 1 While holding down the Set button turn on the power 2 Hold down the Set button until RAM SIZE is displayed on the LCD panel and the LEDs are all on momently 3 The printer is reset to the factory setting 3 ENGIN
221. ws 1 1 1 RAM Address WRITE data READ data Enter the hidden menu mode as follows to confirm the current memory i Press the Form Feed Mode and Continue buttons at the same time in the off line status ii The LCD will display HIDDEN PANEL iii Select the DRAM ADDRESS menu using the scroll buttons iv Whenever the Set button is pressed the LCD will display the DRAM error address on the main PCB Slot 1 Slot 2 and Slot 3 in turn O If a SIMM DRAM has an error replace the SIMM corresponding to the above memory map information If the DRAM on the main PCB has an error replace referring to the table below Lower order address DRAM to be where an error occurs If the upper digit of the data is wrong If the lower digit of the data is wrong Note e There may be a case where the above sequence does not work correctly due to complete RAM failure or in faulty assembly such as a solder bridge or ineffective soldering etc e PRINT CHECK may be displayed when exiting from the Test mode It will disappear in 20 or 30 seconds displaying READY on the LCD It is not a fault V 8 2 5 Program Version Display Mode This mode displays the firmware version of the controllers Procedure 1 While holding down the Font button turn on the power 2 Hold do

Download Pdf Manuals

Related Search

Related Contents

Ata - Tribunal de Contas da União  XtraWare User`s Manual  Detroit Diesel DD15 Operator`s Manual  Model 41-818831 Conductive Acetal Ball Valve Pump  Kultur - VHS Schaumburg  Rain c。ver  RCA 1539213A TV VCR Combo User Manual  Philips Voyager Twist Hairdryer HP 4819  A Case Study of Software Reengineering  "取扱説明書"  

Copyright © All rights reserved. Failed to retrieve file