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1. 2 2V 3 3V 5 24 52 2451 00 15 m 3 3V UH F V AC 9 CN10 1 U10 1 TN 3 3V LL 14 T4LCX14 18 S te E tie 2 1 2 x lt gt 2 gt Coa DND gge 52 2 S Y 2 lt Q Pes 4 a2 a 5 452 i 0 2 5816 P EXIT lt i 9 24 SIK 68 100 5142 0 8 nse at ENT 9 5 05226 3 THV_EN lt m le Not used Deb HV PWM gt Ria 1 7065 t sed JGNE TDI BE A RI ik 1 2 READ 1 jg MEN ee 13 De FA al 8 100 BIAS_PWM gt gt a LED TSAVE gt gt REA TUE DET BE 2 2 RT3 0 4 P_EMPTY T me u 100 7 Lcx 4 2 KEY IN 1 VV ALLANI 18 2 3 3V 4 1 20 10 LED READY 010 5 ES 141 14 DF11 20DP 2DSAC20 UN 13 CE e R36 AA 158 R gt wf ofp oe L Lu u a S i5 S 5 8 r bo 8 S 5 oO S of Sy 6 Sl 5 SP 6 o High Dev Uu Exist e 384 1 Low Dev Exist SCLK 293 ESSE m ED DCND K4884163 2F TL T5 0 SANA OM N ML 2010 ONLY 8MB 21 22 214 23 R14 5
2. 3 3 3 3 10 3 R39 LSU 5V T4LCX14 2 243 320 5 gt AN O gt nHSYNC LSU 5V 078 Lg cN42 1 100pF 100pF js EYA D9 57 MMSDS1471 2040 0 Dako 160nF 077 s our 700 00 22 4 10 RAR 33 844 nn 9 51 H REA AA TK 2 LSU READ Not used C124 di lt gt El DGND 0 6587 4 spo 2 E 200 T NL u11 e x x EP 2010 TCTSOSFU 24 52 2 E y gt 3 322 rng e MMBT2222ALT SEES a T ao 28 2 R74 100 3 NNI Y NAVV gt nLREADY N LSU CLK Noi used 3 lt nPMOTOR a _ 693 4 gt InF B amp 5 57 wa S DCAD DND 4 5 125 35303 115 e o aa 5 5 DGND ONLY auo 3 3 22 52 SRI d S 10K 02 C90 100 1 MMSD914T1 OM gt nNEW_DEVE m C1 R15 e C81 190nF 50 EC NZ De 5 NA C L 6 pem DA DCAD cuo Ito lt _ 0 E zu 14 P_REGI lt 5 lt i a2 FUSER_ON gt 1 E KOS LA pi 8 35303 0959 35303 0250 B g 5 8 pono DOND biet OND This Document can not be used without authorization VDO Schematic Diagram 10 2 Connector Circ
3. 24VS 424VS 24VS2 24VS2 3 3V DGND 5V PWM MHVPWM THVREAD BIAS PWM FAN P EMPTY CRU DET KEY IN TONERSAVE ERROR READY 3 18 Service Manual System Overview 3 2 7 FUSER AC POWER CONTROL Fuser HEAT LAMP gets heat from AC power The AV power controls the switch with the Triac a semiconductor switch The ON OFF control is operated when the gate of the Triac is turned on off by Phototriac insulting part In other words the AC control part is passive circuit so it turns the heater on off with taking signal from engine control part When the HEATER ON signal is turned on at engine the LED of PC1 Photo Triac takes the voltage and flashes From the flashing light the Triac part light receiving part takes the voltage and the voltage is supplied to the gate of Triac and flows into the Triac As a result the AC current flows in the heat lamp and heat is occurred On the other hand when the signal is off the PC1 is off the voltage is cut off at the gate of Triac the Triac becomes off and then the heat lamp is turned off 1 Triac THY1 feature 16A 600V SWITCHING 2 Phototriac Coupler PC3 Turn On If Current 16mA High Repetive Peak Off State Voltage Min 600V x Service Manual System Overview 3 3 S W Structure and Descriptions The purpose of this document is to describe the design specification of the Engine Control F W
4. 4 24 51 29 c 1 m 24 81 5V DGND R113 POND 1W1 5K P_REGI R113 lt 2 1 24 52 pus t CON2 08 P REGI 20103 20102 207101 lt CON2 09_ FUESR ON 1W1 5K R114 k1 H KH ISGIBERIMASK or y EO OPR 25160083102 20101 KSC1008 27 R114 CON2 ONFUSER ON 1 3 57 t KHLSStBER MASK Q104 1K 101 y C108 DIGNB Z10 200B 3 vTEN2 09 FUSER ON KPI 512 32 s 50V103 KSC1008 2b w _L D GND R115 KPI 512 gt T 50V103 2 D GND D GND Service Manual X This Document can not be used without authorization Schematic Diagram 4 HVPS Circuit Diagram 1 3 24VS2 18v e 18v C115 R209 C206 104J 100K 104J IT201 R202 2012 2012 2012 IT 01 THV PWM 100 ZZ m s CN1 9 2012 R210 EE 15 12 Q201 E OK C210 KST2907A 6KV221 2012 C211 7407 R201 SMD 1N4148 6KV221 SOP 14 1 2W2K U102 B 5 4 D204 D205 D206 THV sen KAS24 22 6KV 6KV 6KV e SOPA 8 1 7 8 gt gt v v R204 R205 2 1 2W100K 820K 22K 2012 5 i 2012 S THV 2042
5. SLEEP C EIL 29 C13 220 50V R59 COVER OPEN lt 26 2 5 C1 26 JV 05226 MOTOR EN ENABLE nz 22 _ C71 220nF 50V ON pap K 226 Eu MOTOR PHA 28 DGND e NM e c 3 2 TE 5 5 ge R51 HSR VBB2 NNI 10K 72 RESE l2 C112 330pF CNTI 3 MSI HOME 07 51952 outia 5 1 R81 KSA1182 Y E d C82 C83 p52 S Jp OL ae JO __ mm uu UV 3 Us 2 Wi MMBT2222ALT Tank QUT2A H 0128 Nol usec Bec Sei C113 1330gF x R60 SENSEI Y 2 HEMEN a 35303 0450 2050 6 Q QJ Li p p e c el SS WS pop 69 of L Se 22k 6 5 n D d E 3 3 Iii ox 05226 05226 24 52 L DUM DF Di 1K INSTPAR CN6 1 VBUS lt CEP R23 33 3 3V 130 04 P aM 109 D R24 33 2 CNS ER e E mE DPULLUP R31 ppp K al pid XZ CN9 1 S20HM E 2 L NIN4803T R 00 C46 R30 C49 C44 43 6 SMW200 92P 05 10K 100nF 222241177 T 1900 25V 220F 22 3 1 510 181180 1 AY CLUTCH 4 LNE C79 DGND DGND 1000F Not used 06 Not used Service Manual This Document can not be used without authorization Schematic Diagram Main Board 4 4 Service Manual DEVE_FUSE DELL
6. LE El perderse dd EE 1 M DUREE LS N nene e EUR RE E m NUR M E IN E QU REER EEPE PEEL EIE A E A E Dill ole M M COM costa eA 2 LY wd C oV CIE Ml S d i5 lid d ll ld M S5 I L1 o 3 i 5 5 25 Service Manual Connection Diagram nnection Diagram 110V for USA 240V for EU MAIN MOTOR EE 5 D D H em pidge lemm EE Service Manual Schematic Diagram 10 Schematic Diagrams 10 1 Main Board 1 4 Not used lt Service Manual This Document can not be used without authorization Schematic Diagram Main Board 2 4
7. Supply Roller 9 Max 550V Transfer Roller LILL Max 350V Doctor Blade EJ Service Manual Samsung Electronics System Overview 3 2 H W Structure and Descriptions 3 2 1 H W Overview Phaser 3117 is roughly made up Main Control part and SMPS HVPS part Main Controller uses Jupiter4E for its ASIC which is on chip micro controller and developed for Low end Laser Beam Printer Jupter4E provides the integrated printing functions such as Printer video controller Laser Scan Unit controller PWM controller and Bi polar Stepper Motor Controller and has USB interface OPE B D io LINDO easy Main Controller 3 2 1 1 Main Control Phaser 3117 of Main Control are composed of CPU and Print and operate follows function by CPU Bus Control l o Handling each Driver and PC Interface Main Control operate its full function on the Main B d and CPU control Controller ASIC and build in Memory 3 2 1 2 CPU Use 32Bit RISC Processor of Jupiter4e and control system by operating Operation Block of the System Program inside Flash Memory x Service Manual System Overview Main Function Block Completely Integrated System for Embedded Applications 32 Bit Risc Architecture Efficient and Powerful ARM9 CPU LSU Interface Module for Interfacing PVC with LSU 2 Channel General Purpose DMA Controller for High Speed I O Dual Memory Bus Architecture O
8. 5 minutes before 170 5 5 minutes after Overshoot 200 or less Overheat 210 C or less 4 Heat roller Length 254 mm Valid length 222 mm GND Type H R Bearing Grounding type By SECC Fuser frame 5 Pressure roller Shaft Length 239 5 mm Rubber Length 222 mm 6 Paper separation method Teflon Coating with SUS Plate Claw System 7 Safety Relevant Facts Protecting device when overheating 1st protecting device H W cuts off when detecting an overheating 2st protecting device S W cuts off when detecting overheating 8st protecting device Thermostat cuts off the power Safety device The power of Fuser is cut off after front cover is open The overheating safety device for customer The surface temperature of the Fuser Cover is under 80 C 34 Service Manual System Overview 3 1 5 LSU Laser Scanner Unit The LSU unit is controlled by video controller It scans the video data received from video controller with laser beam by using the rotation principle of the polygon mirror to create the latent image on the OPC drum It is the core part of LBP The OPC drum rotates as the same speed as the paper feeding speed It creates the HSYNC signal and sends it to the engine when the laser beam of the LSU reaches the end of the polygon mirror and the engine detects the HSYNC signal to arrange the vertical line of the image on the paper After detecting the HSYNC signal the ima
9. LASER PRINTER Phaser 3117 S E R VI C Manual LASER PRINTER The keynote of Product Speed 17ppm Ltr 16 4 600 Paper Path MPF Type Cassette Emulation SPL Processor 150MHz Jupiter4e CPU Memory SDRAM 8MB MP Cassette 150 pages Face Down 50 pages Fuser Design Lamp Type VO USB1 1 Machine Life 50K pages Precautions 1 1 Safety Warning 1 2 Safety Caution 1 3 ESD Precautions Product Specification 2 1 Product Overview 2 2 Specifications 2 3 Model Comparison Table System Overview 3 1 System Outline 3 2 Structure and Descriptions 3 3 S W Structure and Descriptions 3 4 Initial Product Installation Alignment and Adjustments 4 1 Sample Pattern 4 2 Control Panel 4 3 Consumables and Replacement Parts 4 4 LED Status Error Messages 4 5 Periodic Defective Image 4 6 How to use DCU 4 7 Paper Path Continued Disassembly and Reassembly 5 1 General Precautions on Disassembly 5 2 Disassembly and Reassembly Troubleshooting 6 1 Checking Symptoms 6 2 Bad discharge 6 3 Malfunction 6 4 Bad software environment 6 5 Bad Image Exploded Views amp Parts List 7 1 Exploded Views and Parts List Block diagram 8 1 System Block Diagram 8 2 System Timing Chart Connection Diagram 9 1 Connection Diagram Schematic Diagram 10 1 Main Board 10 2 Connector Circuit Diagram 10 3 SMPS Circuit Diagram 10 4 HVPS Circuit
10. Service Manual X Product Specifications 2 2 3 Electrical Specification Item Input Voltage Descriptions Remark Nominal input voltage 220 240 VAC Input voltage range 198 255 VAC Nominal frequency 50 60 MHz Frequency tolerance 3Hz Power Consumption Printing 300W Avg Max 500W Idling 100W Avg or less Power Save 10W Avg or less 2 2 4 Environmental Range Item Operating Storage Temperature 10 30 oC 50 90 oF 20 40 oC 4 104 oF Humidity 20 80 RH 10 80 RH 2 2 5 Toner Cartridge Item Descriptions Remark Life span Starter 1 000 Pages initial 4 Size ISO 19752 Pattern Running 3 000 Pages sailes 5 Coverage SIMPLEX Developing Method Non magnetic Contact Developing Charging Method Conductive Roller Charging Toner Empty sensor No Ozone 0 1PPM or less Cartridge Style Single cartridge Service Manual Product Specifications 2 2 6 Paper Handling Specifications Please refer to Paper Secifications on user Guide 2 2 6 1 Input Paper Size Paper paper size Cassette A4 210 X 297 mm Letter 216 X 279 8 5 X 11 US Folio Legal13 216 X 330 8 5 X 13 Legal Legal1 4 216 X 356 8 5 X14 Executive 184 X 267 7 25 X10 5 O Statement 140 X 216 5 5 x8 5 ISO B5 176 X 250 JIS B5 182 X257 5 148 210 6 105 148 10 105 X 241 4
11. Digital Printer Check and Cause Solution Foreign matter stuck onto the window of internal lenses of LSU mirror 2 Foreign matter or toner particles between the developer roller and blade In case the life of the developer has been expired white lines or light image occur in front of the image 3 It may occur when Burr and foreign sub stances are on the window of the devel oper frame 4 If the fuser is defective voids occur peri odically at the top of a black image Foreign matter stuck onto the window Clean the LSU window with recommend ed cleaner IPA Clean the window with a clean cotton swab Foreign matter in the LSU Open the cover of LSU and clean with a cotton swab on the surface of the reflex mirror No 3 Remove the foreign matter and burr of the exposure window Developer cartridge 4 Open the front cover and check ribs that corresponds to the position of the voids Remove if found 5 If the problems are not solved replace the developer cartridge Service Manual Troubleshooting 6 5 3 Horizontal Black Band Description They may not occur periodically 1 Dark or blurry horizontal stripes occur in the printing periodically Digital Pri Digital Printer Digital Printer Digital Pri Check and Cause Solution 1 Bad contacts of the voltage terminals to developer 2 The rollers of develo
12. Envelope etc Separating Type Cassette Friction Pad Type Manual None Driver Type Driving by Gearing from Main Motor Pick up Roller Driver Solenoid Paper detecting Sensor Photo Sensor 10 Paper Size Sensor None 11 Paper Exit Type Face Down OMAN OO FWD 3 1 2 Transfer Ass y The transfer roller delivers the toner of the OPC drum to the paper The life span Print over 50 000 sheets in 16 30 C 3 1 3 Driver Ass y It is a power delivery unit by gearing By driving the motor it supplies the power to the feeding unit the fusing unit and the distributing unit Motor drive IC A3977 It is a power delivery unit by gearing Feeder Developer Motor Fuser Exit 3 1 4 FUSER The fuser is consisted of the Heat Lamp Heat Roller Pressure Roller Thermister and Thermostat It adheres the toner on the paper with pressure and heat to complete the printing job Life Cycle 50 Service Manual EJ X System Overview 1 Heat Lamp Heat Lamp Terminal Shape Terminal Single Type Voltage 120 V 115 596 220 V 230 5 Capacity 600 Watt 30 W Life 3000 Hr 2 Thermostat Thermostat Type Non Contact type THERMOSTAT Control Temperature 150 5 3 Thermistor Thermistor Type HF R0060 SEMITEC 364FL Type Temperature Resistance 7 180 C SYSTEM Temperature SETTING Stand by 165 5 Printing 175 5
13. Ext75MHz USB 48MHz Video 80MHz P1284 Not Used USB 1 1 UART 2 PVC LSUC MOTORC READY KEYIN JERROR T SAVE 110 220V INLET amp REGI POWER SENSOR XC61FN3112 S W bison FUSER 5 Contorl 24 Jam COVER S W 24 31 4 41 Ea 24V CRYSTAL M OSC 12MHz i SDRAM K4S641632H 8M x 16bit LD CTL Y i 24VS2 MAIN SUPPLY C MOTOR COVER DEV DRIVER S W O THV AN44060A BLADE C EXIT SENSOR DEVE GND HR Zener O MAIN 2 SOL Service Manual 8 2 System Timing Chart lt 1PagePrinting A4 from cassette diagram o e E Ne 6 4 6 e p nm 00 D P ur E o4 O 5 uiid T 4 lt 4 4 E pm el reta m O o
14. It is the same as nLSYNC of PVC nPSync 0 It is inputted to nFSync of PVC LSU VDO 0 The completed video data output by masking video window on VOD Laser Diode amp Window On Off Time first field second field windowOn 1 1 IdOn windowOnTime IdOnTime IdOffTime A4 satem SE UU UI UU UU UU UU UU UU UU UU e pattern start AAAAAAAAAAAAAAAAAAAAAAAAA AAA A counter start 4 A PVC_DVO 12 1 5 ADC Controller Jupiter4E ADC Controller has 3 analog input channels It automatically converts the 3 channels in turns with 10 bit 500KSPS adc1275x pc and also it makes the conversion on the desired time by manually controlling STC of the register After finishing the conversion it makes the interrup tion to be pending When AD conversion of 3 rd channel ends for the Control of LSU it sends the 10bit digital data converted with the latch short pulse signal to LSUC EJ Service Manual X
15. Q401 R405 C402 R407 T 4 MEN KST2907A 220KF 103 240KF 202 SMD 2012 2012 2012 R414 BR1 2W30MF R44 e BR1 2W15MJ R403 R404 1 14 21 100KF 14 10 2012 2012 MHV PWIJ quem 2404 PCR R408 CN1 11 x 7207 R412 R402 C408 1N4148 SOP 14 47K 1 2W2K 62KF 104 ele 2012 2012 2012 R406 A D403 C401 22 1N4148 222 2012 t 2012 R409 1K Z R410 MHV 2 2 L 2012 BO 2 74 20491 1W100V 1 ns 5 5 2012 i 18V 24VS2 V uo D502 C506 R516 3KVA71 1 2 51 E 65 55 SUPPLY R50 Q501 C503 R510 100 KST2907A 104 47K s 2012 SMD R508 2012 2012 T 4MGR1W15MF 8 CN1 13 R502 GRISE ZD501 1104 1 2w2 2K aso w200v 7407 D920 Merc m D501 2KV680 d R519 1N4448 1 2W510K i iml R511 R512 R505 R507 ioe eds 100KF 18KF KA324 912 2012 2012 C501 2012 SOP 14 R504 ne TAN 2017 GB 1 2W510K 24 6 1 2w2K m DEV R506 222 a 56 2012 R509 C504 R513 5v Lapi 12 4 1727 E 2012 R123 34 2012 Q103 50K 100 B1151 Y STEM ES 1 MGR1W15MF R121 R124 1W2KJ 24 52 j403 2012 N N KA7818 Q104 R125 KST222 ae 18 SMD E R122 C113 1K 25V47uF 2012 ks rr Service Manual This Document be used without authorization Schematic Diagram 10 4 HVPS Circuit Di
16. Service Manual EJ System Overview 3 3 3 F W Architecture of Engine Control Firmware The Engine Control Module is executed every 10msec as interrupt job of main system There are three control modules i e Engine Main Control Module Engine Interface Module and Sensing amp Unit Control Module Probably from usual state it will be able to rehabilitated a prior to entry error state in error condition it is to confirm When the if rehabilitation is possible then after rehabilitating it goes back in usual state else with an error condition it goes in error state Currently the rehabilitation function of the low heat error the over heat error and the LSU error is embodied Low Heat Error When the error occurrs it does not indicate an error It stores the present temperature and supplies the heat to the fixing unit during the scheduled time If the temperature goes up after scheduled time it goes back to a normal state However if not it is formed that an error occurrs Over Heat Error When the error occurs it informs an error first It stores the present temperature as well and waits a scheduled time If the temperature goes down after scheduled time then it goes back to a normal state However if not it is formed that an error occurrs Lsu Error When the error occurrs it does not indicate an error It accomplishes printing only again If even time when it judges an error it informs an error Concretely speaking if
17. a fire can be occurred 13 Do not insert steel or metal piece inside outside of the machine Do not put steel or metal piece into a ventila tor An electric shock could happened Service Manual X Precautions 1 2 3 Handling Precautions If you ignore this information you could harm machine and could be damaged 1 Do not install it on different levels or slanted floor Please confirm whether it is balanced or not after installation If it is unbalanced an accident can be pened due to the machine falling over 2 Be careful not to insert a finger or hair in the rotating unit Be careful not to insert a finger of hair in the rotating unit motor fan paper feeding part etc while the machine is operating Once it happens you could be harmed 3 Do not place a pot containing water chemical or small metals If they got caught into the inner side of machine a fire or electric shock can be occurred 4 Do not install it where lots of moisture or dust exists or where raindrop reaches A fire or electric shock can be caused 5 Do not place candlelight burning cigarette and etc on the machine Do not install it near to heater fire can be occurred 1 2 4 Assembly Disassembly precaution When replacing parts do it very carefully Memorize the location of each cable before replace parts for recon necting it afterwards Memorize Please perform the steps below before replace or disassembly the parts 1
18. and pulling it toward the arrow direction Remove it with carefulness that the power switch is not hooked on SMPS cover as shown as below SMPS Cover 5 2 4 Main Cover 1 Before Disassembling 2 Release 4 screws as shown as below Separate the font cover Refer to 5 2 Screw x 4 Silver M3 6003 000196 Separate the SMPS cover Refer to 5 3 A x Service Manual Disassembly and 3 Hold the both ends of the cover and pull it up bit by 4 Separate it by holding the both sides of the main bit toward the arrow direction as shown as below cover and carefully lifting it up 5 If necessary remove the jam cover Open the cover take out the hook on the right toward the arrow direc tion and then take out the jam cover to the right side Jam Cover Service Manual Disassembly and Reassembly 5 2 5 Top Cover 1 Before Disassembling Separate the font cover Refer to 5 2 Separate the SMPS cover Refer to 5 3 Separate the Main cover Refer to 5 4 3 Unscrew 2 screws from the separated top cover as shown as below and then separate the LED Lens from the On Line key Screw x 2 5 M3 6003 000196 On Line Key LED Lens 2 For separating the LED lens and the On Line key release the 5 screws connected to the main cover and then 4 locks on the front and rear of the top cover by using a screw driver Remove the top cover from the main cover Screw x 5 S
19. m Special Feature of TRIAC THY 1 16A 600V SWITCHING m Phototriac Coupler PC3 Turn On If Current 15mA 50mA Design 16 High Repeive Peak Off State Voltage Min 600V Service Manual E X Circuit Description 3 3 Di de 5 2 J R D aX gt FUSER_ON 5091471 3 3 Do XD 4 28528121 5 1 lt cIFUSER we a FUSERON gt 3 9 187 Thermister EJ Service Manual x Circuit Description m Explanation about the condition of Normal Operation If the fuser P3 7 port becomes high the Q6 is activated A heat lamp starts operating by the activity As the temperature of the heat lamp is increased the resistance value of the thermister is decreased Therefore the electric potential of the circled A becomes low On Off operation of the is only controlled by the fuser P3 7 port because 5 of the U11 Comparator is always higher than 6 within the normal control temperature rage m Functions of the Malfunction Protection If the fuser port P3 7 is turned on regardless of controlling due to system malfunction the tempera ture of the heat roller goes abnormally high At this time the resistance value of the thermister becomes low When the resistance value of the thermister becomes low the electric potential of the circled A gets low and when the temperature goes over the certain
20. 00830A ROLLERM EXITFR 1 3 SNA 3 17 3 18 24086 6107 001163 SPRING CS SUS304 WPB P10 4 D3 9 L13 3 19 HERMISTOR NTC 7KOHM 3370K 0 3MW C 3 20 3 21 3 22 3 23 3 24 H4031 JC61 00584A HOLDER M PLATE CLAW ML 1400 PET GF30 4 SA 3 25 H4032 JC61 00605A PLATE P CLAW ML 1400 SUS304 CSP 0 1 4 SNA 3 26 E4039 JC66 00801A GEAR EXIT 0838 25 7 1 SNA 3 27 52004 6031 001051 WASHER PLAIN MAID4 1 0D70 T0 1 1 SNA 3 28 04086 6107 001163 SPRING CS SUS304 WPB PIO4 D3 9L13 3 SA 9 29 22194 JC63 00637A COVER M FUSER DUMMY 9 30 11014 JC63 00639A COVER MLAMPL 39 31 11015 JC63 00638A COVER MLAMP R 1 1 1 SNA 3 32 04088 6044 000001 RING CS ID3 OD3 TO 25 BLACK SUS304 1 9 33 E4159 JC66 00826A ROLLER EXITFIDONN 9 34 H4087 JC67 00085A CAP M THERMO 82 a SA Service Available SNA Service not Available 7 4 Paper Path Assembly 74 0 B0101 JC97 02175A MEA UNIT FRAMEPAPERPATH 1 SA 7 4 5 W3076 JC63 00625A GROUND P VARISTOR 5 746 W3077 JC63 00624A 74 WS3078 JC63 00628A GROUND P THV tT SNAT 7 4 8 W3079 JC63 00626A GROUND P SAW 1 7 4 9 1 74137 JC61 70911A SPRING ROLL FD ML 165 SUS304 9 2 SA 4 92 4 9 3 61 01169 HOLDER M PAD 1 4 10 JC66 00814A
21. 15 X 9 5 O 1 sheet Monarch Env 98 X191 3 87 X 7 5 O 1 sheet DL Env 110 X 220 4 33 X 8 66 O 1 sheet C5 Env 162 X 229 6 38 X 9 01 O 1 sheet C6 Env 114 X 162 4 49 X 6 38 O 1 sheet Transparency OHP A4 or Letter O 1 sheet Label paper A4 or Letter O 1 sheet 2 2 6 2 Input capacity Item Descriptions Cassette 150 sheets 2 2 6 3 Output capacity a Down 50 sheets 2 4 Service Manual Product Specifications 2 3 Model Specification Table Model Name Phaser 3117 General Company Xerox Printing Process Print Method Electrophotographic Laser Print Speed Up to 16ppm in A4 Up to 17ppm in letter FPOT 10sec Resolusion 600 600 Duty Cycle Monthly up to 4166 prints per month Hardware Software Processor Type Xerox 150MHz Memory 8MB OS Win9X ME 2000 XP Linux7 Mac 058 6 10 3 Standard Emulations GDI Interface Support Standard Interfaces USB 1 1 Compatible with USB 2 0 Optional Interfaces N A Paper Handling Standard Paper Input 150 Sheets Multi purpose Tray Paper Output Face down 50 Sheet TBD Duplexing N A Paper Weight Plain paper 16 to 24 Ib Bond 60 to 90g m2 Thick stock 24 90 Ib Index 163g m2 Physical Type Laser Printer with Internal Controller Dimensions w output tray extended WxDxH 358mm x 299mm x 217mm Weight without shipping 5 75kg Carton Dimensions WxDxH 455m
22. 3 Malfunction 6 3 1 All LEDs blinking Fuser Error T 1 All the lamps on the operator panel blink e Description 2 Gear of the fuser does not work and breaks away melt away When printing motor breaks away from its place due to defective fuser gear Check and Cause Solution 1 Check if the thermostat AC wire and Heat Lamp is 1 If the thermostat is open replace the fuser and open check following items 2 Check if the thermistor sensor is in place 2 If the thermistor sensor device is located deep in the Sponge replace the fuser 3 Check if the heat lamp works properly 3 Check if the circuit of overheat mode works properly 4 Check if the overheat circuit works properly 4 Run DCU mode Perform DCU diagnostic code 10 5 The fuser gear is defective due to melting away 5 Replace Fuser 6 3 2 All LEDs blinking Scan Error e Description 1 All lamps on the operator panel blink Check and Cause Solution DCU Mode Perform DCU diagnostic code 05 If the DCU Replace LSU error code 95 is displayed replace LSU If you cannot solve the problem after you replace LSU replace the main board LJ Service Manual X Troubleshooting 6 3 3 Not function of the gear of the fuser due to melting away e Description motor breaks away from its place due to gear melting away Check and Cause Solution DCU Mode Check if the Error States 60 62 68 occur Check the operation
23. 3 x 5 to 216 X 356mm 8 5 X 14 Paper thickness Cassette 16 28 Ib Manual Feeder 16 43 Ib Size W X DX H 358 299 217 mm Weight Net 4 8Kg 30 6lb with toner cartridge Gross 7 65Kg 37 7Ib Acoustic Noise Stand by Less than 35 dB Printing Less than 50 dB Power save mode Yes Toner save mode Yes Machine Life 50 000pages Service Manual 21 Product Specifications Item Descriptions Periodic Replacing Parts Pick Up Roller 50 000 Pages with Machine Life Transfer Roller 50 000 Pages Fuser Assembly 50 000 Pages Toner Sensor No Toner Type Non Magnetic Contact System Toner Initial 1 000 sheets ISO 5 coverage Toner sale 3 000 sheets ISO 5 coverage Cassette Paper capacity 150sheets Paper weight 60 163 g m 16 43 lbs 2 2 2 Controller Processor CPU Jupiter 4e 150MHz Memory Standard Max 8MB Max 8 Type SDRAM Expand Memory Slot Type NO Compression Technology MET Memory Enhancement Technology Emulation Standard SPL Auto Emulation Sensing YES Interface Standard USB 1 1 Only Compatible with USB 2 0 Option NO Auto Interface Sensing YES Font Type Windows Fonts Number NO Test Print Demo Mode Press the Demo Key for 2 Seconds Configration Mode Press the Demo Key for 2 Seconds Cleaning Mode Not Support Service Mode Press the Demo Key when Power on F W Download
24. 40 PEAK 25 COLD START under 50A PEAK In other conditions Service Manual Rising Time within 2Sec Falling Time over 20ms Surge Ring Wave 6KV 500A Normal Common System Overview Environment Condition Operating temperature range 0 C 40 C Maintaining temperature range 20 40 Preserving Humidity Condition 1096 90 RH Operating atmospheric pressure range 1atm EMI Requirement CISPR Safty Requrement IEC950 UL1950 CSA950 C UL Semko EK CB CCC CCIB GOST EPA Power Save 3 2 6 HVPS board High Voltage Power Supply The HVPS board creates the high voltage of THV MHV Supply Dev and supplies it to the developer part for making best condition to display the image The HVPS part takes the 24V and outputs the high voltage for THV MHV BIAS and the outputted high voltage is supplied to the toner OPC cartridge and transfer roller 1 Transfer High Voltage Input Voltage 24 V DC 15 Out Voltage Max 1 3KV 9 15 Cleaning 200 c Out Voltage Trigger 6 5 pA Input Voltage Variation 5 below Variation 21 6V 26 4V Load Variation 96 below Out Voltage Rising Time 100 ms Max Out Voltage Falling Time 100 ms Max Transfer Variation Voltage on Environment Variation 650 V Duty 1096 5KV Duty 90 Control Method on environment THV PWM ACTIVE transfer Active signal of environment sen
25. EEPROM Electronically Erasable Programmable Read Only Memory EMI Electro Magnetic Interference EP electrophotographic EPP Enhanced Parallel Port FPOT First Printout Time firmware GDI graphics device interface GND ground HBP Host Based Printing HDD Hard Disk Drive H H High temperature and high marshy place HV high voltage HVPS High Voltage Power Supply VF interface y o Input and Output IC integrated circuit IDE Intelligent Drive electronics or Imbedded Drive Electronics Service Manual Reference Information Acronyms and Abbreviations 2 Abbreviations Explanation IEEE Institute of Electrical and Electronics Engineers Inc IPA Isopropy Alcohol IPM Images Per Minute LAN local area network Ib pound s LBP Laser Beam Printer LCD Liquid Crystal Display LED Light Emitting Diode UL Low temperature and low marshy place LSU Laser Scanning Unit MB megabyte MHz megahertz MPF Multi Purpose Feeder NIC Network Interface Card N N Normal temperature and normal marshy place NVRAM nonvolatile random access memory OPC Organic Photo Conductor OPE Operate Panel Equipment PBA Printed Board Assembly PCL Printer Command Language Printer Control Language PDL Page Discription Language PPM Page Per Minute PPS Pulse Per Second PS Post Script PTL Pre Transfer Lamp PWM Pulse Width Modulation Q PID Quick Printer Initiating Device Q ty quantity RAM Random Access Memory ROM Read Only Memory SCF
26. EVER M KICKERP U 2 4 11 JC97 02179A 4 11 1 JC66 00808A GBEAR PICK 1 4 11 2 JC66 00802A GEAR PICK UPA 1 SAT 4 11 3 6107 001167 SPRING CS 7 1 SA 4 12 JC33 00015B 4 13 JC66 00809A 4 14 JC61 00588A 4 15 JC72 00102A 4 16 JC61 70940A 4417 JC66 00725A 4 18 JC61 00583A HOLDER PTL ML 1400 ABS BLK 4 19 JC70 00307A 4 20 JC66 00829A SHAFT P PICK UP 1 SA 4 21 61 01151 HOUSING M PICK_U 4 22 JC61 01173A ROUSINC M PICK UPB 4 23 JC73 00211A 4 24 JC66 00811A 4 25 JC66 00813A 4 26 JC61 01281A BRACKET P BAR PICK UP 1 7 4 93 H4029 61 01169 7 4 17 R1120 JC66 008144 4 11 P2093 97 02179 4 11 1 P2056 JC66 00803A 7 4 11 2 P2057 JC66 008024 7 4 113 04089 6107 001167 74 1 58014 JC33 000158 4 13 F6071 JC66 00809A 7 4 14 K2886 JC61 00588A 4 15 K3856 JC72 001024 7 4 16 74277 JC61 70940A 7 4 17 T3014 JC66 007258 7 4 8 H4041 JC61 00583A 7 17 K3367 JC70 00307A 7 4 20 P2160 JC66 00829A 7 4 21 P2067 JC61 01151A 7 22 P2068 JC61 01173A 7 4 23 P2148 JC73 00211A 7 4 24 P2042 JC66 00811A 4 25 G0448 JC66 00813A 7 4 6 JC61 01281A lt 9 gt Block diagram 8 Block Diagram 8 1 System Block Diagram JUPITER4e ARM940T CACHE 4K FLASH MEMORY 0 5MB DMAC PLL
27. FUSER ON Service Manual EJ X Co System Overview 1 SMPS Specification AC Input Input Rated Voltage AC 220V 240V 120V AC 220V EXP version Input Voltage fluctuating range AC 90V 135V AC 180V 270V EXP version Rated Frequency 50 60 Hz Frequency Fluctuating range 47 63 Hz amp Input Current Under 4 0Arms 2 5Arms 3 16 But the status when lamp is off or rated voltage is inputted outputted Rated Output Power No Items CH1 CH2 Remarks 1 Channel 5V 24 0V 2 Connector pin CON 3 CON 3 5V PIN 11 12 24V PIN 2 3 4 GND PIN 8 9 GND PIN 6 7 3 Rated Output 5V 5 24V 15 4 75 5 25V 20 4 27 6V 4 Max Output current 0 8A 1 5A 5 Peak Loading current 1 0A 2 0A 1115 6 RIPPLE NOISE Voltage 100mVp p or less 500mVp p or less 7 Maximum output 4W 36W 8 Peak output 5W 48W ims 9 Protecttion for loading shorage and overflowing current Consumption Power No Items CH1 5V CH2 24V System 1 Stand by 1 0A 0 4 AVG 55 Wh 2 PRINTING 1 0A 2 0A AVG 250 Wh 3 Sleep Mode 0 8A 0 4A ANG 10 Wh Power Cord Length 1830 4 50mm Power Cord Switch Use Feature Insulating Resistance 100 or more at DC 500V Insulating revisiting pressure Must be no problem within 1 min at 1000Vac 10mA Leaking Current under 3 5mA Running Current under
28. SA Service Available SNA Service not Available 7 1 Main 770 Phasers117 SET 7 1 2 14062 JC97 02177A MEA UNIT COVER MAIN 1 2 71 22 25092 JC61 01156A GUIDE M SUBSTACKER 1 SA 7 1 2 3 72168 JC63 00618A COVER M TOP 7 1 2 4 72198 JC63 00619A COVER M MAIN 1 SNA 7 1 2 5 00027 JC63 00620A COVER HJAM 7 1 2 6 K0045 JC64 00184A KEY M ONLINE 1 SNA 1 2 7 A1013 JC66 00816A LEVER M ACTUATORJAM 1 SA 1 28 W3274 JC67 00079A LENSMLED 1 1 22409 JC97 02176A MEAUNIT COVERFRONT 1 1 51 22146 JC63 00616A COVER M 1 SNA 1 32 3955 JC63 00617A 1 SNA 1 3 3 E5013 JC63 00628A 1 1 3 4 4 5 57009 JC63 00621A 54 6 1 6 T2060 JC96 03352B ELA UNIT DEVE INITIAL 7 8 9 17002 JC39 00406A CBF HARNESSLSU i 1 1 1 1 1 1 1 10 1 10 1 1 71024 JC92 01640A jPBAMAINUSB ONLY 1 12 1 13 H1098 JC39 00400A 1 1 14 1 15 1 15 1 1 15 2 1 6 57027 JC44 00079A HVPS SKYLARK 1 147 02132 JC63 00722A 1 1 18 K3232 JC63 00631A GROUND P HVPS 1 19 41 19 K2903 3903 00004
29. Status ON OFF N A Ready to receive the data SLOW BLINK OFF N A Receiving the data from the host In case that toner save mode is ON FAST BLINK OFF N A Printing the page In case that toner save mode is ON N D N D N D Recovery mode OFF ON N A Out of paper BLINK BLINK BLINK Service error LSU or Fuser error N A N A ON Toner save mode is ON N A N A OFF Toner save mode is OFF 3 3 7 Error LED Operation Error LED Operation All LEDs blink the each time interval Service Error LED operation Fuser Error Open Fuser Error All LEDs Toner save LED Error LED blink a time interval of 1 second Low Heat Error All LEDs Toner save LED Error LED blink a timeinterval of 4 seconds Over Heat Error All LEDs Toner save LED Ready LED and Error LED blink a time interval of 1 second LSU Error LReady Error All LEDs Toner save LED Ready LED blink a time interval of 1 second Hsync Error All LEDs Toner save LED Ready LED blink a time interval of 4 seconds m Service Manual System Overview 3 4 Initial Product Installation 3 4 1 Accessory List Remove the printer and all accessories from the packing carton Make sure that the printer has been packed with the following items Toner Cartridge Power Cord Quick Install Guide Paper Cover 3 4 2 Installing the Toner Cartridge 1 Grasp the front cover and pull it toward you to open Service Manual EJ x System Overview 2 Remo
30. for 4 channels 14 PWM Controller 4 PWM output ports THV BIAS FAN control and AC ELECTRIFICATION 15 Bi polar Stepper Motor controller MOTORC Phase generation for the purpose of paper feeding fixed hardware phase and current table programmable phase and interval time Interrupt based phase change operation 16 Timer 8 Independent Programmable Timers Watch Dog Timer for S W Trap 17 Miscellaneous Mux controlled 24 GPI 28 GPO amp 5 GPIO ports Mutual exclusive GPO GPIO ports control by the port control enable register Programmable Bus Master Priority Project code added X System Overview 3 2 3 2 Jupiter4E Internal Block Diagram AHBC ARB DEC MUX SCL ARM CORE SDA ARM940T FLASH CORE UV PROGRAM 1 C 4KB mfl130 128Kx32 T ENEXHV D C 4KB EXHV DC2 0 MEM SDRANC EXT 2CH PPD 7 0 nSTROBE LIE nINIT nSLCTIN ADDR DATA BUS MUX ADDR18 0 gt DATA15 0 o nSWE nWE M nlOCS1 0 nlOCS2 WE nlOCS2 OE nlOCS ALL nROMCS nOE DE BRIDGE nLREADY i nHSYNC VDO LSUCLK dac1264x 1455 SHPERIOD nLDON DACOUT BLDC_CLK E tu oe nomeo adc1275x pc IOC 3CH ROMC 1CH PLL 2096x pll 2073x CLOCK amp RESET PWM MOTORC 5 0 x Service Manual Syst
31. i O C209 R203S cun 100K Q203 6KV221 1 2w2 eur 2 C2383 D203 102 C203 piso 2A681 2012 681 FTT ae C205 R207 2A471 TNR201 2012 2012 D202 25 7N561k fit 20201 7 DINC20U 2KV221 BEL DNE 2 472 2A473 7NATAK 2012 2012 130KF fed Fr 3f 7 7 2012 R241 1 AWA 7J PRSE o v 18V R302 470K 2012 IT301 IT 01 v R301 a THV EA 5 6K Q301 i6 C304 D302 CN1 10 2012 KST2222A 2012 104J 2e R305 THV mom SMD ee i T es a BR1 2W50M 7407 Toa P Gi 3KV151 SOP 14 19 9 7 C306 3 HV sen m T Q302 100K i B K C2383 2012 AL A D301 2012 1N4148 D1NL20U INDEX R307 3095 18 20301 S 50K 10KF 77 15 2012 EN THV READ R308 2012 ZN D305 1 4 4 4 A TOPE TAT CN1 12 12 1N4148 44 A 5 FTI Mi 2012 THV READ HV READ 13 4 20302 A C307 2 7B 2A473J rr R310 2012 7 150 ph gu 2012 19 Service Manual This Document can not be used without authorization Schematic Diagram HVPS Circuit Diagram 2 3 18V 24V S2 V M Dd C404 D401 R426 5 g3KM471 6KV 3KV471 1 2W100K
32. in the controller is set up If the printer driver is properly set up check in which program the printing is not working The best way to find out is to open the memo pad to check the function of printing If it is not working in a certain program adjust the setup the program requires Sometimes the printout is normal within the Windows basic programs but it s not work ing in a particular program In such case install the new driver again If not working in the Windows basic program Check the setup of the port of CMOS is on ECP And check the address of IRQ 7 and 378 4 If the scanner needs to be connected to the printer first the remove the scanner from the PC to see if the printer is properly working alone Service Manual n Troubleshooting 6 4 2 printer is not working 2 After receiving the printing order no response at all or the low speed of printing occurs due to wrong setup of the environment rather than malfunction of the printer itself Description Check and Cause Solution 1 Secure more space of the hard disk 1 Not working with the message insufficient printer memory means hard disk space problem rather than the RAM problem In this case provide more space for the hard disk Secure more space using the disk utilities program m 2 Printing error occurs even if there is enough space in The connection of the cable and printer port is not the hard disk proper Check if the connectio
33. of Fuser Erasing Lamp On Off with the Error Code Check 10 1 Replace the Fuser 2 Replace the Main Control board 6 3 4 Paper Empty Description paper lamp on the operator panel is on even when paper is loaded in the cassette Check and Cause Solution 1 Bending or deformation of the actuator of the paper sen SOr 2 The function of the engine board is defective Perform DCU mode Perform DCU diagnostic code 8 1 Replace the defective actuator 2 Replace the engine board 6 3 5 Paper Empty without indication Description paper lamp on the operator panel does not come on when the paper cassette is empty Check and Cause Solution 1 Bending or deformation of the actuator of the paper sen sor 2 The function of the engine board is defective Perform DCU mode Perform DCU diagnostic code 8 1 Replace the defective actuator 2 Replace the engine board Service Manual Troubleshooting 6 3 6 Cover Open e Description ERROR lamp is on even when the print cover is closed Check and Cause Solution 1 The Hook Lever in the top cover may be defective 1 Replace the hook lever if defective 2 Check the connector Engine B d sHVPS and circuit of 2 Check the insertion of the Cover Open S W the cover switch department in the Main Control board Connect Perform DCU mode If Error state 64 occurs Check the related codes
34. of the Cover Open Error 3 Replace the Main Control board or Cover Open SW 6 3 7 No lamp on when the cover is open Description ERROR lamp does not come on even when the printer cover is open Check and Cause Solution 1 Check the connector and circuit of the cover switch 1 Check the insertion of the Cover Open S W department in the Main Control board Perform DCU Connect mode If Error state 64 occurs Check the related codes of the Cover Open Error 2 Replace the Main Control board or Cover Open SM EJ Service Manual X Troubleshooting 6 3 8 Defective motor operation Description Main motor is not driving when printing and paper does not feed into the printer resulting 0 Check and Cause Solution 1 Motor harness or sub PCB may be defective 1 Check the motor harness replace it if defective 2 Perform DCU diagnostic code 00 and Check the motor 2 Replace the SMPS if necessary operation 6 3 9 No Power e Description When system power is turned on all lamps on the operator panel do not come on Check and Cause Solution 1 Check if the power input and SMPS output are normal 1 Replace the power supply cord or SMPS 2 Check the inferiority of LED Panel on the front cover if 2 Replace the control board the LED of Panel does not appear after normal warming up 3 Replace the LED panel Service Manual m X Troublesh
35. or off x Service Manual Alignment and Adjustments 4 3 Consumables and Replacement Parts The cycle period outlined below is a general guideline for maintenance The example list is for an average usage of 50 transmitted and received documents per day Environmental conditions and actual use will vary these factors The cycle period given below is for reference only COMPONENT REPLACEMENT CYCLE Pick up Roller 50 000 Pages Transfer Roller 50 000 Pages Fuser 50 000 Pages Toner Cartridge 3 000 Pages Sales 1 000 Pages Initial 4 4 LED Status Error Message ERROR LED Status DCU CODE Open Fuser Error The Error LED red and the Toner Save LED are simultaneously 60 flashing every one second Over Heat Error The Error LED orange and the Toner Save LED are 68 simultaneously flashing every one second Low Heat Error The Error LED red and the Toner Save LED are simultaneously 62 flashing every 4 seconds LSU not Ready Error The Error LED green and the Toner Save LED are 95 Pmotor Error simultaneously flashing every one second LSU Not Ready Error The printing is stop in the fad status and the Error LED green and 96 HSYNC Error the Toner Save LED are simultaneously flashing every 4 seconds 44 Service Manual Alignment and Adjustments 4 5 Periodic Defective Image If the delinquent image regularly occurs in the printed paper it is due to delinquen
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37. the printer driver is compatible to the present driver or delete the old driver if defective and reinstall the new driver 3 Delete the unnecessary files to secure enough space of the hard disk and start printing job again Service Manual Troubleshooting 6 4 4 SPOOL Error To spool which stands for simultaneous peripheral operations online a computer document or Description task list or job is to read it in and store it usually on a hard disk or larger storage medium so that it can be printed or otherwise processed at a more convenient time for example when a printer is finished printing its current document Check and Cause Solution 1 Insufficient space of the hard disk in the directory assigned for the basic spool 2 If the previous printing error not solved 3 When expected to collide with other program 4 When an application program or the printer driver is damaged 5 When some files related to OS are damaged or virus infected 6 Memory is less than suggested one How to delete the data in the spool manager 1 Delete the unnecessary files to provide more space to start printing job 2 If there are some files with the extension name of inl Delete them and Reboot the Windows to restart printing job 3 Shut down all other programs except the current one if possible 4 Delete the printer driver completely and reinstall it 5 After rebooting the c
38. 0V1uF 450ve2uF 41286 La di NM Ll E i mr Qr qr 1 CON2 6 7__DGND 0 2t 7 WY R7 ol i i CON2 67 DGND 5 hb D1 3 sse AL a Wv221 Tod POND F G SSG 102 GNb A 10D 13 4907 F G e e L1 et 52250 16 102 1KV1014 BFS8550 16221 083511 1KV101 BFS3550 1KV221 1KV102 0835 B101 d L B10 7UuH CON1 c CONT f 6 Dai Vi 3 5 5 e 4 a 7 7 1 CONZOS 35V 08A of 110 1 1 250V2A coN 1 40 1092 111 n U2 AAA 8 g 20 oer 250V2A PMS K 7K F R11 10 12 1K 2 7K ee ee ae N NDNCNC Fe 788 Za EAREATIGNOT A 2 55 44 RAS 7M B 1 2 47 1 2 50 6204383BV333K cer S I ssa 9 9 685 cross 17 07 1046998061 Ti 10VA7OufOVA7OuF CONI a DAE N cow en icis ui Nut 4 2 gh112 BT END E ES IER 1 2 180 L431 1 2W180 4 e CONZ 67 DGND gt R14 C43 R43 7 B2 CONZ 6 7 DGND R14 14W22 C13 50 104 RTS 50m A 2550 TANZ 50104 50 GND A BFS2550 D GND ci D GND 04 6 0 2221 MARKING2RESISTOR 1 8W J 5 04 PC102 NO MARKING RESISTOR 1 8W J 5 CON201 24vs2 LP3061F CONZO27SOMEMHM 24vS2 gt T O61F CON2 08 7ZOR2AVST 24V 2 411
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40. 2 CBF POWERCORD 220 1 20 lt 6 gt a SA Service Available SNA Service not Available 7 2 Frame Assembly 721 B0080 JC61 01152A 1 5 72 22 P2158 JC66 00720A SHAFT P CORE ML 1750 SECC 1 67 220 1 SNA 72 25 5006 JC72 01004A PMO IDLEKNOCKUPMP 2 SA 7 2 5 1 B4025 JC61 01153A BRACKET P GEAR 2 52 M2048 JC61 01154A BRACKET P MOTOR 5 2 55 60383 JC66 00804A GEAR RDCN 139 88 1 SA 2 54 2 5 5 4023 JC72 00825A PMO IMPELLER 1 SNA 2 6 B0101 JC97 02175A MEAUNIT FRAME PAPER PATH 1 2 7 2 8 2 9 2 10 FOOT FRONT ML 1750 NBR D7 12 1 2 SA 2 11 60381 JC66 00805A GEAR RDCN 113 88 1 SAT 2 12 2 13 2 14 2 15 2 16 2 17 2 18 SPRING CS 2 19 A0003 JC67 00110A CAP M MOTOR tT SNA __ 2 20 B2030 JC61 00025A SPRING CS CHARGE APOLLO SF 5100 2 SNA lt 7 gt a SA Service Available SNA Service not Available 7 3 Fuser Unit 7 5 F2122 JC61 01162A FRAME P FUSER 7 5 H4026 JC61 01172A HOLDER M EXITF DOWN 3 SNAT 3 6 04085 6107 001168 SPRING CS_ SNAT 7 3 8 K3960 JC61 00595A GUIDE M INPUT ML 1400 PET GF3096 BL 1 SNA 7 3 12 K2879 JC61 00589A BUSH M HR L ML 1400 PPS VO 3 13 3 14 3 14 3 15 R1083 JC66 00824A ROLLER M EXITMAIN 3 3 6 R1084 JC66
41. 2 SCF 30 Feed Sensor On The paper is passing out of the Feed Sensor 40 Feed Sensor off The paper has passed out of the Feed Sensor 50 Paper Out The paper has passed out of Exit Sensor 69 Sleep Mode The fuser power turned off to minimize the power consumption 2 Error Code When detecting the malfunction the printing is stopped to indicate error code Code State Description 60 62 68 Fuser Error The error in the fuser occurred There is a short circuit the thermistor and the thermostat while printing Low Temperature Error occurs 60 Open Fuser Error 62 Low Heat Error 68 Over Heat Error 64 Cover Open The Printer Cover is open 65 CRU Error The Toner Cartridge not installed 70 No Paper No paper in the paper cassette 71 Paper Jam 0 The front part of paper is jammed between pickup unit and Feed sensor 72 Paper Jam 1 The front part of paper is jammed between the Discharge sensor and Feed sensor 73 Paper Jam 2 The front part of paper is jammed just after passing through the discharge sensor 76 Out Bin Full The Out bin is filled with paper 95 LSU Not Ready LSU Scanner Motor not ready or Hsync signal not output Service Manual 4 7 x Alignment and Adjustments 4 6 3 Self Diagnostic Mode If Error code occurs due to malfunction of the printer perform Self Diagnostic Mode to solve the problem The printer works only in the self test mode to solve the malfunctio
42. 5 55 K 27 3 3V 3 3V DS 28 5091411 3 3 29 f C8 30 gt gt FUSER ON T gnF 31 52 20 CN3 1 spur 21 1 01 xc L uA 14 gu _ E 3122224 p RC 3 SS ok 73 T eer did Ry p 15 i Jj 16 2 56 v gt Not used C3 35301 0250 DAD 7 3 5Y NER 10nF 5 3 3V 3 3V 05226 T uL s A 19 BAO 2 SZ BE 3 3V 1 aL 04 2 060 25 inn 2 Rie MMBT2222ALT1 s 10K R13 LES LL 26 d 1K 8 nFUSER AWN i e SZ Ze DGND lt lt gt ML 1610 ONLY 2MB x lt lt Service Manual This Document can not be used without authorization Schematic Diagram Main Board 3 4 3 3V R54 57 30 1 3 3 3V IUE _ cot 22 52 10012 L Rase 256 1085 2 21 RAI S 220n ava 19 56V C68 653 Not used 10 DBU S 23 CES 220 50V 50V LSU SV 2 3y 28 Rr gt ceria Not used 84 2452 Ut
43. 6003 000301 1 For separating the pick up roller sponge open the front cover and then take out the toner cartridge 2 While pressing the hooks on the left right side of the pick up housing B pull out the pick up housing U as shown as below Then replace the sponge 5 14 Service Manual Troubleshooting 6 Troubleshooting 6 1 Checking Symptoms Before attempting to repair the printer first obtain a detailed description of the problem from the customer No Power Power Module error Main PBA Refer to Chapter 4 4 Refer to Solution of Image Problem Service Manual X Troubleshooting 6 1 1 Basic Check List 1 Check the Power Does Warming Up appear on the display gt If not check power cable switch or SMPS Does the wall socket work Do the Motors or other components initialize listen for main motor fan and LSU sounds gt If not or there are none of the normal startup sounds check cable switch or SMPS Does the wall socket work 2 Check the LED of Panel Is there On Line LED ON gt If not check power cable switch SMPS or Main board gt Does the wall socket work s the abnormal Lamp gt Check the PBA and cable harness 3 Check the Paper Path e Is there a Paper Jam gt Remove any paper fragments caught in the paper path Paper Jam occurs repeatedly at a specific point in the Paper P
44. Check the contents stored in the memory All the information will be erased after replacing main board The information needed to keep has to be written down 2 Before servicing or replacing electric parts take off plug 3 Take off printer cables and power cord connected to printer 4 Use formal parts and same standardized goods when replacing parts Must check the product name part cord rated voltage rated current operating temperature etc 5 Do not over force when release or tighten up the plastic parts 6 Be careful not to drop small parts such as screws in the printer 7 Be careful not to change the location of small parts such as screws when assembling and disassembling 8 Remove dust or foreign matters completely to prevent fire of tracking short or etc 9 After finished repair check the assembling state whether it is same as before the repair or not x Service Manual Precautions 1 3 ESD Precautions Certain semiconductor devices can be easily damaged by static electricity Such components are commonly called Electrostatically Sensitive ES Devices or ESDs Examples of typical ESDs are integrated circuits some field effect transistors and semiconductor chip components The techniques outlined below should be followed to help reduce the incidence of component damage caused by static electricity Caution gt gt Be sure no power is applied to the chassis or circuit and observe all other s
45. Chip micro Controller for Low cust Laser beam Printer 1 One Chip Laser Beam Printer Controller GDI only AMBA AHB used for high speed bus transactions between masters and slaves AMBA APB used for low speed bus transactions between ARM core and peripherals 3 PLLs 2 Dithered PLL and 1 General PLL first for CPU 150MHz AHB 75MHz 75 2 second for USB 48MHz third for 59 2 75MHz system operation 1 8V power operation 3 3V tolerant input and bi directional I Os SDRAM and IO Address Data signals multiplexing 2 Integrated ARM940T 32 bit RISC embedded processor core 75MHz core frequency operation Harvard Architecture Cache 4KByte Instruction cache 4KByte Data cache Single memory bus architecture 3 Built in Flash Memory AMBits 128Kx32bits Serial programming mode using flash programmer tool Internally flash memory read write operation support Programmable access timing control 4 32MB Special function Register Area 5 Directly connected to external banks IOC 32 MB size in each IO bank Programmable setup access hold timing Programmable recovery time for slow devices Allows to access peripheral devices such as GPIO control logic 6 Directly connected to 1 external ROM bank ROMC 32 size for one ROM bank One external flash memory attachable T Directly connected to two SDRAM banks SDRAMC Extensible architecture Two external SDRAM attach
46. Diagram 11 Reference Information 11 1 Troubleshooting Tools 11 2 Acronyms and Abbreviations 11 3 Selecting printer locations 11 4 Sample Tests Patterns 12 Circuit Description 12 1 Engine Controller Precautions 1 Precautions The cautions below are items needed to keep in mind when maintaining and servicing Please read carefully and keep the contents in mind to prevent accidents while servicing and to prevent the machine from getting damaged 1 1 Safety Warning 1 Request service by qualified service person Service for this machine must be performed by a Qualified Xerox service person It is dangerous if unqualified service personnel or users try to fix the machine 2 Do not rebuild Do not attach or change parts discretionary Do not dissemble fix of rebuilt it If so printer will abnormally work and electric shock or fire may occur 3 Laser Safety Statement The Printer is certified in the U S to conform to the requirements of DHHS 21 CFR chapter 1 Subchapter J for Class 1 1 laser products and elsewhere is certified as a Class laser product conforming to the requirements of IEC 825 Class laser products are not considered to be hazardous The laser system and printer are designed so there is never any human access to laser radiation above a Class level during normal operation user maintenance or prescribed service condition Warning gt gt Never operate or service the printer with the
47. I 10 ML 1615 Series Print speed will be affected by operating system us omputing plication software co ed sia True 600 x 600 dpi print resolution 150 MHz processor 2 MB Memory ML 1610 Series 8 MB Memory ML 1615 Series 150 sheet paper cassette tray DigitAllvalue One touch Toner Save Button expand the life of the toner cartridge by 40 One touch Cancel Button Great Price Great Performance DigitAllcompatibility Windows 98 2000 ML 1610 Series W Windows 95 98 NT4 0 2000 Me XP ML 1615 Series Various Linux OS including Red Hat Caldera Debian Mandrake Slackware SuSE and Turbo Linux W USB 1 1 interface ML 1610 Series IEEE1284 and USB 1 1 interfaces ML 1615 Series www samsungprinter com SAMSUNG All other trademarks are the property of their respective owners Samsung Electronics All nghts reserved Service Manual Alignment and Adjustments 4 2 Control Panel 4 2 1 OP Panel On Line Error Toner Save Cancel 4 2 2 On Line Error and Toner Save LEDs Line Error Description If the On Line Error lights green the printer is ready to print If the On Line Error lights red the printer is experiencing an error such as jammed paper no paper the open cover or the empty toner cartridge If you press the Cancel button while the printer is receiving data the On Line Error LED blinks red to ca
48. OFINAL o 2 o 4 c lt GHIJKLMNOPORSTUVWX HIJKLMNOPQRSTUVWXYZ01 23456789ABCDEF BCDEFG Service Manual Circuit Description 12 Circuit Description 12 1 Engine Controller The engine controller module consists of a motor controller a PWM controller a LSU I F controller and an ADC controller 12 1 1 Heater Control ENGINE CONTROL PART AC CONTROL PART i R22 180 Vcc F SIBLE H 2 i THERMISTOR 2145 heat lamp radiates heat by using AC power The power is TRIAC a semiconductor switch device which controls a switch The ON OFF control is completed by turning on off a gate of the TRIAC through a photo TRIAC which is insulation part If explaining more detail about the AC control part it consists of passive circuit therefore it turns on off the heater by receiving the signal from the engine control part If the heater on signal is turned on at the engine electricity flows in as the LED of the PC1 Photo TRIAC is connected Then it emits light By this light the TRIAC unit a light receiving unit becomes on and electricity is supplied to the gate of the TRIAC Then the TRIAC is turned on As a result AC current flows in a heat lamp and the heat lamp radiates heat On the other contrary if the signal is turned off the PC1 becomes off and the TRIAC is turned off due to no elec tricity at the gate of the TRIAC Consequently the heat lamp is turned off
49. Second Cassette Feeder SMPS Switching Mode Power Supply SPGP Xerox Printer Graphic Processor SPL Xerox Printer Language Spool Simultaneous Peripheral Operation Online SW switch sync synchronous or synchronization USB Universal Serial Bus WECA Wireless Ethernet Compatibility Alliance Service Manual EH X Reference Information 11 3 Selecting printer locations Leave enough room to open the printer trays covers and allow for proper ventilation see diagram below Provide the proper environment A firm level surface Away from the direct airflow of air conditioners heaters or ventilators Free of extreme fluctuations of temperature sunlight or humidity Clean dry and free of dust Service Manual X Reference Information 11 4 Sample Tests Patterns The sample patterns shown below are the standard test patterns used in the factory The life of the toner cartridge developer cartridge and printing speed are measured with the pattern shown below 596 The A4 ISO 19752 standard pattern samples are reproduced reduced to 7096 of the actual A4 size 4 ISO 19752 Standard Patterns x LMNOPQRSTUVW HIJ KLMNOPQRSTUVWXYZOT 23456789ABCDEFGHIJKI BCDEFG Stephen J Singel Labanda Sinpat Abarress Tendar BSF L S 1 URANGLE Funtres Solber Netener 23 January 2004 Jonathan Q Maderia Inpert Mampem Abaress 2343 Stantin Dawer Lank Benhibe SDF Mr Maderia Nam liber tempor cum
50. TL ON 01 READY LETTER 05 LSU OPERATING SYSTEM 02 READY A4 06 PICKUP CLUTCH ON 03 READY EXECUTIVE 07 PEEMPTY PWITH NEW CRU TEST 04 READY B5 FEED 8 EXIT SENSOR TEST 09 COVER OPEN SENSOR TEST 20 PRINT START 10 FUSER TEST 30 FEED SENSOR ON 11 HOT BURN TEST 40 FEED SENSOR OFF 12 CLEAN MODE PRINT 50 PAPER OUT 13 THV TRIGGER ALL HV amp FAN ON SS SUEEP NODE 14 THV REFERENCE ERROR STATUS CODE 60 OPEN FUSER ERROR 62 LOW TEMPERATURE ERROR 68 OVER HEATING ERROR 64 COVER OPEN ERROR 70 NO PAPERR 71 PAPER JAM 72 PAPER JAM 1 73 PAPER JAM 2 95 LSU NOT READY DIAGNOSTIC DOWN SHIFT STOP MODE UP ENTER C TO ENTER DIAGNOSTIC MODE PUSH THREE BUTTONS SIMUL ANEOUSL AND TURN THE PRINTER POWER ON Service Manual Alignment and Adjustments 4 6 2 Code Connect DCU to the printer and turn the power on It show 7 Segment FND on the panel and each code tells the function of the printer 1 Normal Code While printing or warming up it indicate the position of the paper Code State Description 61 Warm up The printer is on the cover is open or close 00 05 Ready kind of paper The printer is ready the paper is detected when the first paper is printed 00 Legal 01 Letter 02 A4 03 EXEC 04 B5 05 Folio 06 A5 A6 20 21 22 Print Start The engine controller received the print order from the video controller 20 1st 21 MP 2
51. U diagnostic mode 1 Replace the solenoid 06 2 Check if the pad is loose due to bad sealing of the 2 Replace the side pad Assembly L or R if necessary Side pad 3 Check the surface of the roller pickup for foreign mat 3 Clean with soft cloth dampened with IPA Isopropyl ter Alcohol or water 4 If the paper feeds into the printer rand Jam 0 occurs 4 Replace the SMPS HVPS or Sensor perform DCU to check feed sensor of the engine board Service Manual Troubleshooting 6 2 3 JAM 1 BIN PATH Description 1 Recording paper is jammed in front of or inside the fuser 2 Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator Feed Check and Cause Solution 1 If the recording paper is jammed in front of or inside the fuser Perform DCU diagnostic code 08 2 If the recording paper is stuck in the discharge roller and the fuser just after passing through the Actuator Feed Feed Actuator may be defective 6 2 4 JAM2 1 Replace the SMPS 2 Reassemble the Actuator Feed and Spring Actuator if the returning is bad BIN PATH Description 1 Recording paper is jammed in front of or inside the fuser 2 Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator Feed Check and Cause Solution If the paper is completely fed out of the printer but Ja
52. able SDRAM controller supports PC 100 and PC 133 SDRAM running at 75MHz Up to 32MB per bank Support for SDRAM configurations including programmable column address Programmable refresh interval x Service Manual System Overview 8 Interrupt Controller INTC FIQ or IRQ mode operation selectable Programmable Interrupt Enable Disable 9 USB interface Version 1 1 Four 128x8 FIFOs for Data transmission Interrupt based input output interface no DMA based interface support USB wrapper for AHB interface AHB Bus interface 10 Serial port interface UART Programmable Baud Rate 2 channel Independent Full Duplex UART Polling Interrupt based operation support Max 16 byte FIFO to handle SIR Bit Rate Speed 11 Printer video controller for LBP engines PVC 20MHZz video rate Hummingbird 2 letter 21 ppm 4 20ppm video data transmitted through LSU Controller 12 Laser Scan Unit LSU Controller Laser Scan Unit LSU Interface for Laser Diode turn on off timing control Sample amp hold period generation Auto Power Control for Laser Diode with PID control method using internal 10 bits DAC LSU clock generation Brushless DC motor control clock generation 13 ADC Interface 4 channels ADC interface for analog devices such as temperature sensor Programmable ADC Clock Cycle Automatic or Manual AD Conversion support 4 Special Function Registers for monitoring the ADC results
53. afety precautions 1 Immediately before handling a semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alternatively employ a commercially avail able wrist strap device which should be removed for your personal safety reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ESDs place the assembly on a conductive surface such 1 4 as aluminum or copper foil or conductive foam to prevent electrostatic charge buildup in the vicinity of the assembly Use only a grounded tip soldering iron to solder or desolder ESDs Use only an anti static solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ESDs Do not use Freon propelled chemicals When sprayed these can generate electrical charges sufficient to dam age ESDs Do not remove a replacement ESD from its protective packaging until immediately before installing it Most replacement ESDs are packaged with all leads shorted together by conductive foam aluminum foil or a compa rable conductive material Immediately before removing the protective shorting material from the leads of a replacement ESD touch the protective material to the chassis or circuit assembly into which the device will be installed Maintain continuous electric
54. agram 3 3 CRU_DET SAN __ GND R5 21 a ENS 10K 2012 1N4003 x R2 Q1 1 1 vS gt AA 2 24 5 gt 22K KST2222A 3 24VS2 gt 2012 R1 4 24 52 gt E 5 gt o e 2012 6 GND i 7 ESM 8 THV PWM gt sw2 THV_EN gt Ba on 11 _MHV_PWM___ gt 100 33K 12 THv READ gt 202 13 BlIAS gt 14 FAN gt gt R8 R9 100 33K LED1 15 P EMPTY gt 015 Bue 16 DET p ee pans x 17 KEY IN p 2012 IM TONER SAVE gt mu a c1 ZK c10 M 19 ERROR gt 10nF Loo aA RED LED2 2012 e e e e BD1 VN BD2 TNR101 O7N561K Service Manual This Document can not be used without authorization Reference Information 11 Reference Information This chapter describes the reference information for applying this training manual and it is consist ed of the tool list the abbreviation table the outline of model and so on 11 1 Troubleshooting Tool The following tools are recomm
55. al Serial Bus USB cable 1 Make sure that both the printer and the computer are turned off 2 Plug the USB printer cable into the connector on the back of the printer To the USB port on your computer 3 Connect the other end of the cable to the USB port on your computer See your computer User s Guide if you need help Service Manual E X System Overview 3 4 5 Turning the Printer on 1 To print from your computer you need to connect your printer to your computer with a Universal Serial Bus USB cable 2 Plug the other end into a properly grounded AC outlet and turn on the printer using the power switch fee To the AC outlet 3 4 6 Printing a Demo Page Print a demo page to make sure that the printer is operating correctly 1 Press and hold down the Cancel button on the control panel for about 2 seconds to print a demo page 2 The Demo page shows the printer s current configuration Service Manual X System Overview 3 4 7 Installing Printer Software The supplied CD ROM contains Windows printing software Linux printing software on line User s Guide and Acrobat Reader to view the User s Guide 1 If you are printing from Windows You can install the following printer software using the CD ROM Printer driver for Windows Use this driver to take full advantage of your printer s features For details see Software User Guide Status Monitor allows you to
56. al contact between the ESD and the assembly into which it will be installed until completely plugged or soldered into the circuit Minimize bodily motions when handling unpackaged replacement ESDs Normal motions such as the brushing together of clothing fabric and lifting one s foot from a carpeted floor can generate static electricity sufficient to damage an ESD Service Manual Product Specifications 2 Product Specifications 2 1 Product Overview Descriptions Remark Phaser 3117 Phaser Family Persnal user Laser printer Low Price for small work Group 16ppm A4 Ltr 17ppm Jupiter 4e 150MHz 2Mbytes SDRAM Toner 1K initial 3K sailes USB 1 1 Model Compatible with USB 2 0 150pages feeding 50 Face Down Basic Model Series Model Market of Sailes Specification 2 2 Specifications Product Specifications are subject to change without notice See below for product specifications 2 2 1 General Specifications Print Method Electro photographic Printing Developing system Non Magnetic Mono Component Developing System Print Speed 16 PPM A4 size 17 PPM Letter size Resolution True 600 X 600 DPI Source of Light Laser diode LSU Laser Scanning Unit Warm Up Time Cold Warm up 30sec Sleep mode 30 sec First Print Time Less than 10 seconds Ready to 1st page out Feed Method Cassette amp Manual Media Size 76 X 128mm
57. are within specification If necessary move the printer 3 Ensure that the printer is position away from any air conditioning or other heating or cooling equipment Also ensure that is not positioned in a direct draft from any air conditioning fan or open window If necessary move the printer 4 Ensure the printer is not positioned in direct sunlight If it is unavoidable use a curtain to shade the printer 5 Ensure the printer is installed in a clean dust free environment Move the printer to clean area if necessary 6 Some industrial or cleaning processes give of fumes which can affect the printer Move the printer away from this type of air pollution 3 Check paper type 1 Use only paper which is of a suitable quality weight and size See the user guide 4 Check the overall condition of the printer 1 Is the printer properly maintained Clean the Paper Transport Passages Any rollers with dirt surfaces should be cleaned or replaced Service Manual X Troubleshooting 6 2 Bad discharge 6 2 1 Wrong Print Position Description Printing begins at wrong position on the paper Check and Cause Solution Wrong sense time caused by defective feed sensor Replace the defective actuator actuator 6 2 2 JAM O Description 1 Paper is not exited from the cassette 2 Jam 0 occurs if the paper feeds into the printer BIN PATH 1 Check the Solenoid by using DC
58. as shown as below and then remove the 2 screws from the motor bracket Motor Bracket 5 2 8 Fuser 1 Before Disassembling 2 Separate 2 connectors from the SMPS and the Main Separate the font cover Refer to 5 2 PBA as shown as below Separate the SMPS cover Refer to 5 3 Separate the Main cover Refer to 5 4 Thermister Service Manual X Disassembly and Reassembly 3 Separate the fuser by unscrewing 4 screws on the 4 After removing the Lamp Cover L R separate the frame Fuser Dummy cover Screw x 4 Gold M3 6003 000269 Lamp Cover R 5 Separate the Exit roller F Down and the exit gear 6 Remove the thermo cap by releasing 2 screws as DRV17 by turning the left right holder connected to shown as below the exit roller F Down to the arrow direction At this Screw x 2 Black M3 6003 000282 time roller main roller FR F Down Holder and spring are separated with theses Roller FR Roller Main F Down Holder Thermo Cap Note Under the condition that the fuser is connected to the frame the exit roller F Down be separat ed However be careful that the Roller Main the Roller F Down Holder could get into the inner frame due to the spring action Service Manual Disassembly and 7 After pulling out the thermostat as shown as below 8 Release the screw as shown as below remove the remove the CBF harness from its le
59. ath Open the fuser cover Jam clear gt Dismantle the machine and carefully inspect the region where the jam occurs Especially check if paper fragments are caught in the Fuser 4 Print the Information Page Configuration Try printing a test page from a computer gt If there is an error check cables and driver installation 5 Check the Print Quality els there are a Print Quality Problem gt Refer to section 6 5 Page 6 17 6 Check consumables toner etc Using the keys print the Test Pattern Expected life of various consumable parts compare this with the figures printed and replace as required 62 Service Manual X Troubleshooting 6 1 2 Initial Inspection 1 1 The printer does not work no matter how long you wait 15 the Power Switch printer and wall socket turned on B Is the Power Cord connected to the printer correctly C Is the Power cord connected to the wall socket correctly D Is wall socket working Is the unit rated at the same voltage as the supply 2 Does the Fan work when power is turned on A Check the connectors on the SMPS B Check the fuses in the SMPS F1 2 Check the Installation Environment 1 Ensure the installation surface is flat level and free from vibration If necessary move the printer 2 Ensure that the temperature and humidity of the surroundings
60. em Overview 3 2 4 Sensor Controller 3 2 4 1 Paper Feeding Width When paper passes an actuator of a feed sensor unit after feeding a paper into a set it detects a signal of the photo interrupter and informs the paper feeding status to CPU After sensing the signal and certain time later it strews an image data Related in Paper Front Edge Adjustment If it could not detect the feed sensor within 1 second after feeding a paper a paper CPU _ occurs Phaser 3117 differs from other general printers because it doesn t have a paper empty sensor It recognizes the paper existing status by using a firmware If a paper is not fed it recognizes the state as no paper Red and Yellow lights turn on among other LEDs With the same principle it senses the OPC unit After OPC unit is mounted the actuator operates When it passes the actuator of sensor unit it detects the signal of the photo interrupter informs the existing OPC unit to CPU and then stays at the status 3 2 4 2 Paper Empty Sensing The paper empty is detected by the empty sensor mounted to an engine board and the actuator mounted to a frame Paper senses the on off time of the empty sensor by using CPU and informs the normal operation status and the jam occurrence status to CPU 3 2 4 3 Jam Cover Cover Open Sensing Phaser 3117 uses two M S one senses the cover open and the other senses the jam cover open The cover open sensor is located on the left bottom of HVPS When the fron
61. ended safe and easy troubleshooting as described in this service manual DVM Digital Volt Meter Standard Indicates more than 3 digits Standard type type long short M2 long M2 short Tweezers Standard For general home use small type Standard For general home use for medical service Cleaning Equipments Standard An IPA Isopropyl Alcohol dry wipe tissue or a gentle neutral detergent and lint free cloth Vacuum Cleaner Spring Hook Standard For general use Software Driver installation CD ROM Q 5 N Service Manual E Reference Information 11 2 Acronyms and Abbreviations 1 The table below explains the abbreviations and acronyms used in this service manual Where abbreviations or acronyms are used in the text please refer to this table Abbreviations Explanation AP Access Point AC Alternating Current APC Auto Power Control ASIC Application Specific Integrated Circuit ASSY assembly BIOS Basic Input Output System BLDC Brush less Direct Current CMOS Complementary Metal Oxide Semiconductor CN connector CON connector CPU Central Processing Unit dB decibel dbA decibel A dBM decibel milliwatt DC direct current DCU Diagnostic Control Unit DPI Dot Per Inch DRAM Dynamic Random Access Memory DVM Digital Voltmeter ECP Enhanced Capability Port EDC Embedded Diagnostic control
62. ep children out of reach of the toner cartridge 1 2 2 Electric Shock or fire Precaution It is possible to get electric shock or burn by fire if you don t fallow the instructions of the manual 1 Use exact voltage Please use an exact voltage and wall socket If not a fire or an electric leakage can be caused 2 Use authorized power cord Do use the power cord supplied with PRINTER A fire can happen when over cur rent flows in the power cord 3 Do not insert many cords in an outlet A fire can be occurred due to flow over current in an outlet 4 Do not put water or extraneous matter in the PRINTER Please do not put water other liquid pin clip etc It can cause a fire electric shock or malfunction If this occurs turn off the power and remove the power plug from outlet immediately 5 Do not touch the power plug with wet hand When servicing remove the power plug from outlet Do not insert or take off it with wet hand Electric shock can be occurr 6 Caution when inserting or taking off the power plug The power plug has to be inserted completely If not a fire can be caused due to poor contact When taking off the power plug grip the plug and take it off If grip the line and pull over it could be damaged A fire or electric shock could happen 7 Management of power cord Do not bend twist or bind it and place other materials on it Do not fix with sta ples If the power cord gets damaged a fire or electric shock can
63. esigned to print 3 000 sheets with 5 image 2 The B S is not guaranteed if using recycle paper 3 Replace the developer when the life span of it has been ended 4 Clean the bushing part of the transfer roller 5 If the problem is still not solved replace the developer Service Manual Troubleshooting 6 5 9 Ghost 1 e Description Ghost occurs at 75 5 mm intervals of the OPC drum in the whole printing Digital Printer Digital Printer Digital Printer Check and Cause Solution 1 Bad contacts caused by contamination from toner particles between high voltage terminal in the main body and the elec trode of the Developer 2 Bad contacts caused by contamination from toner particles between high voltage terminal in the main body and the one in the HVPS board 3 The life of developer is expired 4 Transfer roller lifetime 50 000 sheets has expired 5 Abnormal low temperature below 10 C 6 5 10 Ghost 2 1 Clean the terminals when contaminated by toner particles 2 Occur in the developer cartridge replace the developer and try to print out 3 Replace the engine board if not solved by the above directions 1 2 4 If not solved by the direction 3 check the transfer roller lifetime and replace it 5 Wait about 1 hour after power on before using printer Description Ghost occurs at 75 5 mm intervals of the OPC drum in the who
64. for the Phaser 3117 3 3 1 Introduction This Engine Control Firmware is a program that controls LBP Engine of the Phaser 3117 This firmware is executed every 10msec as an interrupt routine of the main system At stand by state this firmware monitors the enable print command from the main system If the enable print command is detected this firmware controls the Engine Mechanism according to the printing process and paper feeding state And with the Sleep command or Wake Up command this firmware controls the Engine state 3 3 2 Engine Control F W Overview Engine Control F W is executed every 10msec by timer interrupt of main system And it consists of 3 control modules Engine Main Control Interface Control and Sensing amp Unit Control Module Major operations of the Engine Control F W are following Control the Pick Up Feeding and Discharging of Paper Control the LSU Control the HVPS for the Developer Process Control the Temperature of Fixing unit Controlling selection to here is added Second Cassette Feeder SCF N A EJ Service Manual X System Overview Architecture of Engine Control F W Main F W of the printer controller Engine F W Interface Control Module Engine Main Control Module Y Sensing amp Unit Control Module Hardware Devices amp Mechanical Device Power On Initial Device Units Fixing Unit LSU HVPS Fan Unit Motors Solenold amp Clutch
65. ft right side harness from the cover and then pull out the ther mistor Screw 1 Black M3 6003 000196 Thermostat 9 After separating the CBF harness connected to the 10 Separate the Cover M by releasing 2 screws as left right side of the halogen lamp release 2 screws shown as below from the halogen lamp Screw x 2 Black 6003 000196 Screw x 2 Black M3 6003 000196 5 10 Service Manual Disassembly and Reassembly 11 Remove the halogen lamp from the heat roller by pulling it out to the arrow direction Halogen Lamp 5 2 9 Engine Shield Including Main PBA and SMPS 1 Before Disassembling 2 Disconnect all connectors except the connector Separate the font cover Refer to 5 2 which connects the SMPS to the Main PBA Separate the SMPS cover Refer to 5 3 Separate the Main cover Refer to 5 4 Thermister Clutch LSU as HVPS Fuser Service Manual Disassembly and 3 Release 6 screws as shown as below separate the harnesses from the shield and then separate the engine shield with carefulness of the actuator feed sensor lever Screw x 6 Silver M3 6003 000196 Shield W Main PBA SMPS Actuator Feed Sensor Lever 5 For removing only Main PBA perform the follows 5 12 in order separate the SMPS cover Refer to the 5 3 release 3 screws separate the main PBA connector and then take out
66. ge data is sent to the LSU to arrange the its margin on the paper The one side of the polygon mirror is one line for scanning OPC Drum Photo Diode Polygon Mirror Polygon Motor LD Driver circit Motor Driver LD Laser Diode r Protector panel Service Manual System Overview 3 1 6 Toner Cartridge By using the electronic photo process it creates a visual image the toner cartridge the OPC unit and the developer unit are in a body The OPC unit has OPC drum and charging roller and the developer unit has toner toner cartridge supply roller developing roller and blade Doctor blade Developing Method Non magnetic 1 element contacting method Toner Non magnetic 1 element shatter type toner The life span of toner 2 000 sheets ISO 19752 Pattern A4 standard Toner Cartridge Initial 1 000 Sales 3 000 Toner remaining amount detecting sensor None Cleaning Collect the toner by using electric static FILM Management of disusable toner Collect the toner by using electric static Clenerless Type No disusable toner OPC Drum protecting Shutter None Classifying device for toner cartridge ID is classified by interruption of the frame channel LILL Max 1 4KV 7774 2 Zener Diode Cleaning Blade 100V L2 Cleaning Roller Charging Roller LSU 0 20mW Vo 720V Vi 150V 4 Max 5KV Developing Roller
67. happen A damaged power cord must be replaced immediately Do not repair the damaged part and reuse it A repaired part with plastic tape can be cause a fire or electric shock Do not spread chemicals on the power cord Do not spread insecticide on the power cord A fire or electric shock can be happen due to thinner weak cover of the power cord 8 Check whether the power outlet and the power plug are damaged pressed chopped or blazing fire or not When such inferiorities are found repair it immediately Do not make it pressed or chopped when moving the machine 9 Caution when there is thundering or lightning and being flash of lightening It causes a fire or electric shock Take the power plug off there is thunder Do not touch cable and device when thundering and flash of lighten ing 10 Avoid the place where is moisture or has dust Do not install the printer where lots of dust or around humidifi er A fire can occurred A plug part need to clean well with dried fabric to remove dust If water drops are dripped on the place covered with dust a fire can occurred 11 Avoid direct sunlight Do not install the printer near window where direct contacts to the sunlight If the machine contacts sunlight long time the machine cannot work properly because inner temperature of the machine is getting hotter A fire can occur 12 Turn off the power and take off the plug when smoke strange smell or sound from the machine If you keep using it
68. his mode when the engine malfunction is detected in the control board 4 10 Service Manual Alignment and Adjustments 4 7 Paper Path Fuser Toner Cartridge LSU Exit Roller Pick Up Roller KNOCK UP PLATE KNOCK UP PLATE DOWN ASS Y HOLDER PAD Feed Sensor MAIN PBA SMPS HVPS 1 After taking order the printer feeds the printing paper from the cassette or manual feeder 2 The fad paper passes the paper feeding sensor Jam 0 occurs if the sensor is not operated after certain time passes 3 The paper passed the paper feeding sensor moves to the paper exit sensor via printing process Jam 1 occurs if the sensor is not operated after certain time passes 4 The paper passed the paper exit sensor moves out from the set Jam 2 occurs sometime after if the tailing edge of the paper is not coming out from the set after the leading edge of paper passes the paper exit sensor lt Jam0 gt lt Jam1 gt lt Jam2 gt Service Manual Alignment and Adjustments 4 7 1 Clearing Paper Jams Occasionally paper can be jammed during a print job Some of causes include The tray is overfilled The front cover has been opened during a print job Paper that does not meet paper specifications has been used Paper that is outside of the supported size range has been If a paper jam occurs the On Line Error LED on the con
69. ide of the Developer and charge terminal of HVPS 1 Clean the high voltage charge terminal 2 Check the state of the connector which connects the engine board and HVPS 3 Replace the HVPS if not solved by the above direction 1 and 2 Service Manual Troubleshooting 6 5 7 Uneven Density Description Print density is uneven between left and right Digita Digita Digita Digita Digita Check and Cause Solution The pressure force on the left and right Springs of the transfer roller is not even the springs are damaged the transfer roller is improperly installed or the trans fer roller bushing or holder is damaged 2 The toner level is not even on the devel oper roller due to the bad blade 1 Replace both the left and right Spring Holder 2 Occur in the developer cartridge replace the developer and try to print out 6 5 8 Background Description Light dark background appears in whole area of the printing Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Solution 1 Does character exist less than 296 per a page and hasn t it been used long time 2 Does recycle paper be used 3 Has the life span of the developer ended 4 Is the movement Up and Down of the transfer roller smooth 5 s the HVPS normal 1 The toner cartridge is basically d
70. ilver M3 6003 000196 Top Cover Main Cover Service Manual Disassembly and 5 2 6 5 1 Before Disassembling 2 Remove the sheet by releasing the 5 screws which Separate the font cover Refer to 5 2 connects the HVPS and the Sheet Separate the SMPS cover Refer to 5 3 Screw x 3 Gold M3 6003 000269 Separate the Main cover Refer to 5 4 3 Separate the HVPS with HVPS ground from the 4 Remove the connector from the separated HVPS frame by releasing the remaining 3 screws Screw x 3 Gold_M3 6003 000269 Service Manual X Disassembly and Reassembly 5 2 7 RX Drive 1 Before Disassembling 2 Release 2 screws Screw x 2 Silver M3 6001 Separate the font cover Refer to 5 2 000130 connected to the engine shield and 6 screws Separate the SMPS cover Refer to 5 3 Screw x 6 Gold M3 6003 000296 connected to the Separate the Main cover Refer to 5 4 frame Separate the RX drive by pulling it out toward the arrow direction 3 Remove the connector from the separated RX drive 4 After removing the RX drive RDCN Gear OPC Gear Fuser Gear and Feed Gear can be removed from the frame Please be careful not to touch the protruding 4 screws at the outside of the RX drive x Service Manual Disassembly and 5 When separating the motor remove the motor brack et first by removing 4 screws
71. ital Printer 6 5 13 Stains on the Face of Page Description background on the face of the printed page is stained Check and Cause Solution DigitalPrinter Di gital Printer 1 Toner leakage due to improperly sealed 1 Replace the developer cartridge 251 developer Digital Printer Digital Printer Digital Printer 2 If the transfer roller is contaminated stains 2 If the transfer roller is contaminated run PC on the face of page will occur Cleaning Mode Print 2 or 3 times And perform Self Test 2 or 3 times to remove contamination 6 22 Service Manual X Troubleshooting 6 5 14 Stains on Back of Page Description back of the page is stained at 47 mm intervals Check and Cause Solution 1 Transfer roller is contaminated 1 Perform the OPC Cleaning Mode Print 2 or 3 times Run Self Test to remove the conta mination of the transfer roller Digital Printer Digital Printer Digital Printer 2 Pressure roller is contaminated 2 Replace the transfer roller if contaminated severely 3 Disassemble the fuser and clean the H R Heat Roller and P R Pressure roller And check the area between H R and Thermistor If contaminated clean the area not to be deformed 6 5 15 Blank Page Print out 1 C Description Blank page is printed Solution Bad ground contacts in OPC a
72. kup clutch on The Solenoid in the printer is in operation To stop the operation Press the button shift and Enter together Service Manual X Alignment and Adjustments Description 07 Paper Empty Sensor Test If activate the Actuator of the PEMPTY Sensor the left and right of the three LEDs are on Paper Empty Sensor ON OFF 1st LED ON OFF 08 Feed amp Exit Sensor Test Test the Feed sensor and Discharge sensor in the same way as 07 Feed Sensor ON OFF 2nd LED ON OFF Exit Sensor ON OFF 3rd LED ON OFF 09 Cover Open Sensor Test Test the Cover Open Sensor in th same way as code 07 Cover Open Sensor ON OFF 1st LED ON OFF 10 Fuser Test If the Enter button pressed the right LED is on and temperature of the fuser is up to READY Mode If the Up button pressed the middle LED is on and temperature of the fuser is up to Printing Mode If you press the button once more the left LED is on and temperature of the fuser is up to overheat Mode 11 Hot Burn Test If the enter button pressed the printer is continuously printing without detection Turn the power off to stop operation 12 Cleaning Mode Print Mode Print the paper to clean the OPC Drum in the Cartridge 13 THV TRIGGER ALL HV All high voltage output by each HV terminal and LSU and the fan is in operation In this mode electronic resistance of transfer roller and high voltage is detected 14 PTL Test Phaser 3117
73. l components and electronic parts Type 2 This format is controlled by individual Divisions and is used on specific products typically for mechanical parts Type 2 format part numbers fall into 2 categories A S privately used part It is only used for A S Ass y part Assemblies consisting of 2 or more parts Also used for Service manuals user guides and diagrams Ass y parts and A S privately used Parts can be distinguished by the part Code and Description They are always Type 2 format The 2 leading characters indicate private or assembly parts DIVISION PART CODE DESCRIPTION A S Private Ag sehe JB81 00039A AS USE ASS Y Part mu JB75 00068A MEC CHUTE ASS Y Part PBA 92 01131 MAIN CONTROLLER ASS Part 97 rre MEA JB97 01089A MEA UNIT PULLEY IDLE x Service Manual Exploded Views amp Parts List 7 1 Main Assembl Service Manual Exploded Views amp Parts List 7 2 Frame Assembly Service Manual Exploded Views amp Parts List 7 3 Fuser Unit 7 5 Service Manual Exploded Views amp Parts List 7 4 Paper Path Unit Service Manual X ExplodedView Parts List lt Service Parts List gt
74. le printing When printing on card stock or transparencies using manual feeder Digital Printer Digital Printer Digital Printer Check and Cause Solution When printing on card stock thicker than nor mal paper or transparencies such as OHP higher transfer voltage is required Select Thick Mode on paper type menu from the software application and after using return ing to the original mode is recommended Service Manual Troubleshooting 6 5 11 Ghost 3 e Description White ghost occurs in the black image printing at 47 5mm intervals Check and Cause Solution Digital Printer 1 The life of the developer may be expired 1 Occur in the developer cartridge replace the developer and try to print out Digital Printer Digital Printer 2 The abnormal voltage and bad contact of 2 Check the approved voltage of the supply the terminal of the supply roller roller and contact of the terminal and adjust if necessary 6 5 12 Ghost 4 e Description Ghost occurs at 47 5mm or 63 9mm intervals 7 Check and Cause Solution Digital Printer d The temperature of the fuser is maintained 1 Disassemble the fuser and remove the high contaminated toner particles on the roller Digital Printer and clean the foreign matter between Thermistor and Heat roller Caution can be deformed 6 5910677 Dig
75. loaded in nHSYNC and nLREADY signal which directly get into the chip It is three layer filter and the delay time is 3 System Clock Time The interface between PVC and LSUC is shown in the picture LSU VDO gt nHSYNC gt nHSYNC LSU_VDO PVC VDO lt PVC TEST EN gt nLSYNC PVC TEST EN nFSYNC nFSYNC VDO Service Manual X Circuit Description LSUC DigiFilter nLREADY FO DigiFilter nHSYNC FO nLREADYFlag flagClear suControl 8 0 IsuSfr windowOnTime 20 0 windowOffTime 20 0 dOnTime 20 0 PWRITE dOffTime 20 0 PSEL patternDuty 9 0 APB PENABLE suCIkDuty 18 0 PADDR 4 0 SHOnTime 20 0 BRIDGE 31 01 PRDATA 31 0 SHOffTime 20 0 APCCON 11 0 apcOnTime 20 0 apcOffTime 20 0 Pmax 9 0 Pmin 9 0 Ka 14 0 REF 24 0 Kp 15 0 Ki 4 0 Ky YMAXH 8 0 YMAXL 31 0 YMINH 8 0 YMINL 31 0 YINITH 8 0 YINITL 31 0 KU 5 0 0 VALUE 25 0 SEH 4 0 SEL 4 0 L VALUE 9 0 HCLR 20 0 nPSync PVC ADO 2 9 0 nLREADY nHSYNC ENGINE LSU CLK LSU VDO DAC OUT ADC EN SEL 1 0 ADC apcOn Controller Service Manual Circuit Description The main signals used in LSU Controller are shown in the table Name Direction Description PVC VDO The video data output from PVC nLREADY Its activity becomes low as the polygon motor of LSU gets the regular speed nHSYNC It informs the beginning of one line
76. m 2 occurs Exit sensor is defective After the paper is completely discharged actuator Exit should return to the original position to shut the photo sensor Sometimes it takes longer hour than it should and does not return 2 If the paper is rolled in the Fuser Roller This occurs when a Guide claw is broken away or transformed t occurs when the Spring of a Guide claw is broken away or transformed It occurs when the Heat Roller or Pressure Roller is seriously contaminated with the toner 3 Paper is accordion in the fuser 1 Check if the exit sensor actuator is defective Check if the actuator exit is unformed Check if the lever part is unformed in shape Check whether burrs occur in the assembly part of the actuator exit or not and if the actuator is smoothly operated Check if foreign matters and wire get caught in the actuator exit s operation 2 If the paper is stuck in the fuser disassemble the fuser and remove the jammed paper and clean the surface of the pressure roller with dry gauze 3 Remove the jammed paper after disassembling the fuser Clean the surface of the pressure roller with dry gauze Remove the toner particles stained on the rib Check the assemblage and performance of the exit Service Manual Troubleshooting 6 2 5 Multi Feeding e Description Multiple sheets of paper are fed at once Check and Cause Solution 1 Solenoid malfuncti
77. m x 415mm x 325mm Weight as shipped 7 65kg Electical Power Requirements Power Consumption Power Consumption 300W printing 10W Down Sleep Mode Energy Star Compliant Yes Environmental Temprature Operating 10 to 32 Non Operating 0c to 40 Humidity Operating 20 to 80 RH Non Operating 2096 to 80 RH Noise Level Operating Operating 50dB A Standby 35 dB A Consumables Starter up to 1 000 pages A4 Letter at ISO 5 coverage continuous printing Replacement up to 3 000 pages A4 Letter at ISO 59 Service Manual EJ X System Overview 3 System Overview 3 1 System Outline Paper Path Layout SMPS Fuser Toner Cartridge LSU Exit Roller OPC Pick Up Roller KNOCK UP PLATE KNOCK UP PLATE DOWN ASS Y HOLDER PAD Feed Sensor MAIN PBA SMPS O HVPS Service Manual EJ Samsung Electronics System Overview m Unit Layout Service Manual System Overview 3 1 1 Feeding There are the C path type which loads papers and the manual feeder which supplies paper one by one The cassette has the function pad which separates paper one by one and it has the sensor function to check the existence of the loading paper Feeding Type MPF Type Feeding Standard Center Loading Feeding Qty Cassette 150 sheets 75q w 20lb paper standard Manual 1 sheet Paper OHP
78. ml Video Data to LSU to print and have motor Driving and Circuit for the current driving and also include Paper Exit Sensor Cover Open s w panel s w US IC DRAM 512K x 16Bit IC POSI ADSUST REG U7 T U8 IC EEPROM 256x12Bit IC CMOS LOGIC INVER TER U10 U9 IC POSI FLXED REG IC MOTOR DRIVER U12 Service Manual System Overview U6 Jupiter 4E Itis a main CPU and Asic of Jupiter4E which has a CPU core CLK with over 150 2 and a System bus 45 2 It use 3 3V for operation voltage and I O It uses 80 2 for system bus SDRAM Main memory SDCLK is 80Mhz 3 A3977 an Main motor driver and controls the motion of main motor Regulator It Supplies the core voltage to CPU by converting 3 3V to 1 3V 5 EEPROM UB 93C66 Itis an EEPROM with 12C method SMPS connector CN8 It connects SMPS supplies the power and delivers the high voltage contol signal etc If a harness is not normally connected to this connector power cannot be supplied 5 LSU connector CN12 It connects a LSU DC Motor connector CN11 It connects an main motor and drive a DC motor 9 HVPS connector CN10 It connects a HVPS DCU connector CN1 It interface a DCU JIG 4 USB connector CN6 It interface a the printer EJ Service Manual X System Overview 3 2 3 Asic SPGPm Specification 3 2 3 1 Introduction Jupiter4E is One
79. n is properly done and if the parallel port in CMOS is rightly set up 3 Check the parallel port related items in the CMOS 3 As a printer port Select ECP or SPP among Setup SPP Normal ECP and EPP modes increase print ing speed SPP normal mode support 8 bit data transfer while ECP Mode transfer the 12 bit data 4 Reboot the system to print 4 If the regular font is not printing the cable or the printer driver may be defective Turn the PC and printer off and reboot the system to print again If not solved double click the printer in my computer If the regular fonts are not printed this time again the cable must be defective so replace the cable with new one E Service Manual X Troubleshooting 6 4 3 Abnormal Printing The printing is not working properly even when the cable has no problem Description even after the cable is replaced If the printer won t work at all or the strange fonts are repeated the printer driver may be defec tive or wrong setup in the CMOS Setup Check and Cause Solution 1 Set up the parallel port in the CMOS SETUP 2 Printer Driver Error 3 Error message from insufficient memory The printing job sometimes stops or due to insufficient virtual memory but it actually comes from the insuffi cient space of the hard disk 1 Select SPP Normal or ECP LPT Port the among ECP EPP or SPP in the CMOS Setup 2 Check the printer in My Computer to see if
80. n problem To enter the self test mode turn the power on pressing the buttons of Down Shift and Stop at the same time Release the button within 2 or 3 seconds if 78 shows in the DCU If 00 shows in the DCU press the button Up or Shift to select the self test and press the button of Enter to operate To stop press the button of shift and Enter together Code Description 00 Main Motor Operating System Only the main motor is in operation 01 Main High Voltage On THV 1400 voltage output by MHV terminal Caution High voltage probe should be used 02 Transfer High Voltage On THV 1000 voltage output by MHV terminal Caution High voltage probe should be used 03 Transfer High Voltage Reference on 1300 voltage output by MHV terminal Caution High voltage probe should be used 04 DEV supply High Voltage DEV Supply High Voltage Test The left one of the three LEDs in the self test panel is on when DEV high voltage Supply high voltage output by each HV terminal Press the Up button to switch the voltage The middle and right one of the three LEDs are on and 350 voltage output by DEV HV terminal Caution High voltage probe should be used 05 LSU Operating System The scanning motor of LSU is in operation the right LED of the three buttons on Press the Up button to Check LD LD is functioning and the middle button is on If the LD is normal all LEDs are on 06 Pic
81. ncel printing In Manual Feed mode if there is no paper in the tray the OnLine Error LED blinks red Load paper into the tray and the LED stops blinking If the printer is receiving data the On Line Error LED slowly blinks green If the printer is printing the received data the On Line Error LED blinks green fast If you press the Cancel button in Ready mode this LED is on and the Toner Save mode is enabled If you press this button once again this LED is off and the Toner Save mode is disabled On Line Error Toner Save If the On Line Error and Toner Save LEDs blink your system has some problems Service Manual Alignment and Adjustments 4 2 3 Cancel button LED Description Printing demo page In Ready mode press and hold this button for about 2 seconds until all LEDs blink slowly and release Manual feeding Press this button each time you load a sheet of paper in the tray when you select Manual Feed for Source from your software application Canceling print job Press this button during printing The On Line Error LED blinks while the print job is cleared from both the printer and the computer and then return to Ready mode This may take some time depending on the size of the print job In Manual Feed mode you can t cancel the print job by pressing this button Toner Save mode on off In Ready mode press this button to turn the Toner Save mode on
82. nd or devel Remove contamination of the terminals of the oper developer and the unit 6 5 16 Blank Page Print out 2 1 Blank page is printed e Description 2 One or several blank pages are printed 3 When the printer turns on several blank pages print Check and Cause Solution 1 Bad ground contacts in OPC and or 1 Remove contamination of the terminals of developer the developer 2 Abnormal solenoid 2 Perform the engine self test using DCU to check if the Solenoid is normal refer to code 06 3 If not solved by the above directions 1 2 Replace the engine board 4 Turn the power off delete the data of PC and try printing again Service Manual X Exploded Views amp Parts List 7 Exploded Views and Parts List 7 1 Main Assembly p 7 2 7 2 Frame Assembly p 7 3 7 8 Fuser Unit p 7 4 7 4 Paper Path Assembly p 7 5 Part Number amp Description format Part numbers and descriptions are defined according to a company standard The information below will help you to understand the part number format and assist when ordering spare parts There are two types of Part number format 0000 000000 2007 007961 JB96 01268A ELA UNIT COVER Ls It shows part specific number W letter 1 This format is used on all product ranges Typically it is used for smal
83. ng Paper Jams By selecting the correct paper types most paper jams can be avoided Ensure that the adjustable guides are positioned correctly Do not overload the tray Do not remove the paper from the tray while printing Flex fan and straighten the paper before loading Do not use creased damp or highly curled paper Do not mix paper types in the input tray Use only recommended print media Ensure that the recommended print side is facing up when loading paper into the input tray 4 7 6 Solving Print Quality Problems Print Quality Checklist Print quality problems can be resolved by following the checklist below Redistribute toner in the toner cartridge Clean the inside of the printer Adjust the print resolution from the printer properties Ensure that the Toner Save mode is off Clear general printing problems Install a new toner cartridge and check the print quality 4 16 Service Manual Disassembly and Reassembly 5 Disassembly and Reassembly 5 1 General Precautions on Disassembly When you disassemble and reassemble components you must use extreme caution The close proximity of cables to moving parts makes proper routing a must If components are removed any cables disturbed by the procedure must be restored as close as possible to their original positions Before removing any component from the machine note the cable routing that will be affected Whenever servicing the machine y
84. not design Indicates the function of the PTL same method of the code 07 15 Fan Test Indicates the function of the Fan same method of the code 07 16 Manual Pickup Test Indicates the function of th Manual Pickup same method of the code 07 17 Manual Sensor Test Indicates the function of the Manual Sensor same method of the code 07 Service Manual Alignment and Adjustments Function Motor Motor Run Motor Stop Remark MHV Mhv On Mhv Off 1300V THV Thv Negative On Thv Negative Off 1000V THV On Dev On Off Dev Off 1300V LSU Run LSU Stop PEmpty Pickup On Pickup Off Sensor Cover Cover Open Fuser Fuser On Fuser Off HotBurn HotBurn On Clean Print Clean Printing Thv Refer ence adequate high PTL Manual PickUp Manual Pickup On Manual Pickup Off Manual Sensor Manual Sensor lt DCU Function Table gt 4 6 4 Self Test Button If the Self Test button pressed vertical lines are printed Turn the power on while pressing this button 89 shows in the DCU and the printer is warming up After warming up the printer is in READY Mode and 88 shows in the DCU In this mode without any detection the printer begins printing trial printing and data from the PC It is convenient to use t
85. om PVC and the laser diode turn On Off signal created by inner 21 bit counter to the laser diode of LSU LSU creates the horizontal sync signal nHSYNC by sensing the inputted diode turn on off signal with the attached sensor nHSYNC is inputted to PVC and LSUC as a signal that informs the beginning of one line Also LSU makes the activity of READY signal ready to print low when the polygon motor becomes regular ly rotating LSU can recognize the regular rotation status of the polygon motor by reading nLREADYFlag bit in SFR Once the polygon motor regularly rotates it sends the page sync signal nPSync to PVC by writing 1 at LSUCON S in LSUC and PVC starts operating for one page printing After that every time nHSYNC signal is created PVC sens es the signal and outputs the video data VDO to LSUC At this time LSUC creates the video window Printing area and masks it on the video data sent by PVC LSUC sends the completed video data LSU VDO to the laser diode in LSU Also LSUC supplies 150 created by counting the system clock with the operation clock source of LSU for the use of substitution for oscillator The SFR is set up in IsuSfr block by receiving the bus control signal from APB bus and the settled register values are redelivered to IsuCon block IsuCon block creates a signal for controlling the laser diode of LSU and outputs it to a pad The digital filter module is a digital filter to provide against the noise
86. omputer check for viruses restore the damaged files and reinstall the program to do the printing job 6 Add up enough memory to the PC In the spool manager the installed drivers and the list of the documents waiting to be printed are shown Select the document to be deleted and check the delete menu If you intend to delete the current document being printed the data being transferred to the printer will be put out and then the document is removed Before choosing the document the menu is still inactive Or put the document out of the list and repeat the routine as in the above or finish the spool manager EJ Service Manual Troubleshooting 6 5 Bad image 6 5 1 Vertical Black Line and Band Description 1 Straight thin black vertical line occurs in the printing 2 Dark black vertical band occur in the printing Check and Cause Solution 1 Damaged develop roller in the Developer Deformed Doctor blade or cleaning blade 2 Scratched surface of the discharge roller in the developer 3 Partly depression or deformation on the surface of the transfer roller 6 5 2 Vertical White Line 1 If causes 1 and 2 occur in the developer cartridge replace the developer and try to print out Replace the transfer roller if occurred as No 3 Description White vertical voids in the image Digital Printer Digital Printer Digital Printer Digital Printer
87. on the solenoid does not work 1 Replace the solenoid if necessary properly Perform DCU Diagnostic Code 06 2 Pad Friction is contaminated with foreign matter oil 2 Clean the pad friction with soft clothe dampened with IPA Isopropyl Alcohol 3 The face of paper is blended 3 Use the smooth paper 6 2 6 Paper rolled in the Fuser Description If contaminated at intervals of 57mm on the back of a paper Check and Cause Solution 1 Contamination of the pressure roller or heat 1 After disassembling the fuser clean contami roller Background Hot off set nation between the heat roller and the ther mostor and remove the contamination of the pressure roller 2 Check the claw of the fuser whether it is unfit 2 If there is heavy background repair it by the ted background troubleshooting method 3 The surface of the heat roller with IPA or water 4 Check the warp or separation of the sprint claw and the holder plate claw and then man age it Service Manual X Troubleshooting 6 2 7 Paper rolled in the Toner Cartridge OPC Drum e Description Paper is rolled up the Check and Cause Solution 1 Paper is too much thin 1 Recommend to use normal paper 2 The face of paper is curled 2 How to remove the rolled in the OPC Drum Remove the paper while turning the OPC Drum against the ongoing direction x Service Manual Troubleshooting 6
88. ooting 6 3 10 Vertical Line Getting Curved e Description When printing vertical line gets curved Check and Cause Solution 1 If the supply of 24v is unstable in the Main Control board 1 Replace LSU linking with LSU check drive by DCU Mode LSU Check 05 LSU Motor on 2 Replace the Main Control board Service Manual X Troubleshooting 6 4 Bad Software Environment 6 4 1 The printer is not working 1 Description While Power turned on the printer is not working in the printing mode Check and Cause Solution 1 Run Self Test Mode Turn the power on while pressing the test printing button for 2 or 3 seconds before printing works 2 Check if the PC and the printer is properly connected and the toner cartridge installed 3 Printing is nor working in the Windows 4 Check if the printer cable is directly connected to periph eral devices 1 Check the power of the printer and perform the Self Test If the test printing works that means no prob lems in the printer itself If the test printing does not work that means bad functioning of the printer not because of software Perform DCU to check the Error Status 2 Replace the printer cable If the problems not solved even after the cable replaced check the amount of the remaining tone Co Check if the connection between PC and printer port is proper If you use windows check if the printer dri ver
89. ou must perform as follows 1 Check to verify that documents are not stored in memory 2 Be sure to remove the toner cartridge before you disassemble parts 3 Unplug the power cord 4 Use a flat and clean surface Replace only with authorized components Do not force plastic material components 7 Make sure all components are in their proper posi tion Releasing Plastic Latches Many of the parts are held in place with plastic latches The latches break easily release them carefully To remove such parts press the hook end of the latch away from the part to which it is latched Service Manual Disassembly and Reassembly 5 2 Disassembly and Reassembly 5 2 1 Front Cover 1 Open the front cover The front cover and the cas 2 Separate the cover from the lock of the frame by sette tray are assembled with the same assembly pulling the right bottom of the cover toward the arrow direction Pull out the front cover to the left as shown as below 5 2 2 Cassette Tray 1 For separating only cassette tray open the tray 2 Hold the set and lift up the hook on the left bottom toward the arrow direction Separate the cassette tray by pulling it out to the left as shown as below Cassette Tray Service Manual X Disassembly and Reassembly 5 2 3 SMPS Cover 1 Release two screws 2 Separate the lock by holding the left side of the cover Screw x2 Silver M3 6003 000196
90. per may be stained OPC Drum 75 5mm Charge Roller 37 7mm Supply Roller 47 5mm Develop Roller 35 2mm Transfer Roller 46 2mm Heat Roller 63 9mm Pressure Roller 75 4 1 Clean each voltage terminal of the Charge Supply Develop and Transfer roller remove the toner particles and paper par ticles 2 Clean the right Gear that has relatively small gap of the teeth in the OPC 3 If the malfunction persists replace the developer 6 5 4 Black White Spot Description 2 White spots occur periodically in the printing 1 Dark or blurry black spots occur periodically in the printing Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Solution 1 If dark or blurry black spots occur periodi Cally the rollers in the Developer may be contaminated with foreign matte or paper particles Charge roller 37 7 mm interval OPC drum 75 5 mm interval 2 If faded areas or voids occur in a black image at intervals of 75 5 mm or black Spots occur elsewhere the OPC drum surface is damaged If a black image is partially broken the transfer voltage is abnormal or the trans fer roller s life has expired 1 Run OPC cleaning Mode Print and run the Self test 2 or 3 times 2 In case of 75 5 mm interval unremovable in 1 cleanly remove foreign substances stuck on the OPC location equivalent to black spo
91. peration Frequency 150MHz Operation Voltage 3 3V POWER ON RESET TIME 6 6ms below 3 2 1 3 Flash Memory Store System Program and can be down load System Program through PC Interface Capacity 0 5M Byte Access Time 70 nsec 3 2 1 4 DRAM When Printing use Band Buffer System Working Memory Area 8M capa 8M Byte basic 8M Printing System Working Memory Area Access Time 60 nsec 3 2 1 5 ENGINE This recording method is electrophography method using LSU which toner is composed of 1 component and non magnetic 1 Recording Method LSU Laser Scanning Unit 2 Printing Speed 16ppm In continuing printing base A4 printing pages from 2nd to last during 1 min 3 Recording Density 600 dpi 4 Cassette Capa Cassette 150sheets 75g Base Manual N A DRIVE Selection Paper OHP Envelop 1 sheet 5 Paper Size Cassette Manual Width 76 216mm Length 125mm 356mm 6 Effective recording size A4 202 291 mm Letter 208 x 273 mm Legal 208 x 350 mm Folio 208 x 325 mm Top Margin 4 23 3 mm Left Right Margin 4 23 3 mm 7 CRU Toner Cartridge Life 3 000pages Printing A4 5 Pattern Printing 8 First Print Out Time within 11sec Standby 9 Warming up time within 30sec Ambient 25 EJ Service Manual X System Overview 3 2 2 Main Board Main Board are composed of Engine and Controller on the one Board Main Board control to send Current Imaged
92. protective cover removed from Laser Scanner assembly The reflected beam although invisible can damage your eyes When using this product these basic safety precautions should always be followed to reduce risk of fire electric shock and injury to persons CAUTION INVISIBLE LASER RADIATION WHEN THIS COVER OPEN DO NOT OPEN THIS COVER VORSICHT UNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GEOFFNET NICHT DEM STRAHL AUSSETZEN ATTENTION RAYONNEMENT LASER INVISIBLE EN CAS D OUVERTURE EXPOSITION DANGEREUSE AU FAISCEAU ATTENZIONE RADIAZIONE LASER INVISIBILE IN CASO DI APERTURA EVITARE L ESPOSIZIONE AL FASCIO PRECAUCION RADIACION LASER IVISIBLE CUANDO SE ABRE EVITAR EXPONERSE AL RAYO ADVARSEL USYNLIG LASERSTRALNING VED ABNING NAR SIKKERHEDSBRYDERE ER UDE AF FUNKTION UNDGA UDSAETTELSE FOR STRALNING ADVARSEL USYNLIG LASERSTRALNING NAR DEKSEL PNES STIRR IKKE INN STRALEN UNNGA EKSPONERING FOR STRALEN VARNING OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD OCH SPARREN AR URKOPPLAD BETRAKTA EJ STRALEN STRALEN AR FARLIG AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NAKYMATTOMALLE LASER SATEILYLLE ALA KATSO S TEESEEN WRB 2191 alozo Bel 4 on Service Manual X Precautions 1 2 Safety Caution 1 2 1 Noxious Material Precaution The toner in a printer cartridge contains a chemical material which may harm human body if it is swallowed Please ke
93. see the printing status of the printer For details see Software User Guide 2 If you are printing in Linux Goto Software User Guide for information about installing the Linux driver 3 System Requirements Your machine supports following operating system Windows 98 Me 2000 XP The following table shows Windows requirements Item Requirements Operating System Window 98 Me 2000 XP CPU Window 98 Me 2000 XP Pentium 11 400 or higher Window XP Pentium 11 933 Ghz or higher RAM Window 98 Me 2000 64 MB or higher Window XP 128 MB or higher Free Disk Space Window 98 Me 2000 300 MB or higher Window XP 1 GB or higher Internet Explorer 5 0 of higher Service Manual Alignment and Adjustments 4 Alignment and Adjustments 4 1 Sample Pattern This product has the several sample patterns for maintenance With the sample patterns check the existence of the abnormality The patterns help to regularly maintain the product 4 1 1 Printing a Demo Page Print a demo page or a configuration sheet to make sure that the printer is operating correctly 1 Hold down the Cancel button for about 2 seconds to print a demo page 2 The Demo page or the configuration sheet shows the printer s current configuration This page is a temporary demonstration page and will be changed __ ML 16xx Series Monochrome Laser Printer DigitAllperformance Up to 17ppm Letter t6ppm A4 print speed M
94. sing voltage is input and get feed back current and recalculate it to resistence Control method on transfer output voltage It is controlled by changing its duty of THVPWM Signal as follows 10 Duty 650 90 Duty 5KV 5 2 Charge Voltage MHV Input Voltage 24 V DC 15 Out Voltage 1 3KV 53 2 Out Voltage Rising Time 50 ms Max Out Voltage Falling Time 50 ms Max Out Voltage Range 30 i 1000 Output Control Signal MHV PWM CPU is HV output when PWM is Low 3 Developing Voltage DEV IInput Voltage 24 V DC 15 Output Voltage 350V 4 6 Output Voltage Fluctuation range PWM Control Input contrast of the output stability degree 5 or less Loading contrast 5 or less Output Voltage Rising Time 50 ms Max x Service Manual System Overview Output Voltage Falling Time 50 ms Max Output Loading range 10MBY 1000 iip Output Control Signal BIAS PWM the CPU output is HV output when PWM is low 4 Supply Output Voltage 550 V 8 6 ZENER using DEV Input contrast of the output stability degree under 5 Loading contrast 5 or less Output Voltage Rising Time 50 ms Max Output Voltage Falling Time 50 ms Max Output Loading range 10 0 1000 Output Control Signal BIAS PWM the CPU is HV output when PWM is low LED2 Toner Save LED LED1 Error LED Switch Micro Switch
95. t cover is open 24V supplied to each unit DC fan Solenoid Main Motor Polygon Motor Unit of LSU in Fusing Unit and HVPS is interrupted The jam cover open sensor is located on the left bottom of SMPS When the jam cover is open 24V supplied to each unit DC fan Solenoid Main Motor Polygon Motor Unit of LSU in Fusing Unit and HVPS is interrupted DO bit of CPU detects the jam cover open cover open and D7 bit of CPU detects the existence of OPC In this case it informs the status to user by turning on the red LED among OP panel LEDs 3 2 4 4 Solenoid Driving Circuit The solenoid consists of two used for paper pick up and MP signal D4 bit of CPU turns it on off and its driving time is 300ms The diode protects the drive TR from the pulse noise generated by de energizing operation of solenoid Service Manual X System Overview 3 2 5 SMPS board Switching Module Power Supply The SMPS supplies DC Power to the System It takes 110V 220V and outputs the 5V 24V to supply the power to the main board and other board It is consisted of the AMPS part which supplies the DC power for driving the system and the AC heater control part which supplies the power to fuser SMPS has two output channels Which are 5V and 24V Micro Switch CON Inlet F1 Fuse 250V 5A Power Switch CON2 Output Exit Sensor m Pin Signal Oo 24 52 24V 24VS1 24VS1 5V DGND DGND P REGI
96. t or damaged roller Refer to the table in below and check the condition of the roller No Roller Defective image Typical defect 1 OPC Drum 75 5mm white spot on black image or black spot 2 Charge Roller 37 7mm black spot 3 Supply Roller 47 5mm light or dark horizontal image band 4 Developing Roller 35 2mm horizontal image band 5 Transfer Roller 46 2mm image ghost 6 Heat Roller 63 9mm Black spot and image ghost 7 Pressure Roller 75 4mm black spot on the backside Drum 9 Transfer Roller 2 Charge Roller Heat Roller 9 Supply Roller Pressure Roller Developing Roller Service Manual X Alignment and Adjustments 4 6 How to use DCU 4 6 1 DCU Setu You can examine the malfunction of the printer To perform DCU open the front discharge cover and leave the connect the harness wire 10 pin 4 pin to the CN1 Phaser 3117 of the Main control board ML SERIES DIAGNOSTIC CONTROL UNIT DEV 300 DEV 350 DEV 350 LSU READY LSUMT amp LD 150 MOTOR PAPER EMPTY PAPER WIDTH NEW CRU SELF EXITSENSOR FEEDSENSOR TEST STATUS COVER OPEN COER HEATING PRINTING TEMP READY HEAT o DIAGNOSTIC ON OFF DIAGNOSTIC CODE STATUS CODE 00 MAIN MOTOR OPERATING SYSTEM 61 WARM UP 01 MAIN HIGH VOLTAGE ON 02 TRNSFER HIGH VOLTAGE ON 03 THV REFERANCE VOLTAGE 00 READY REGAL 04 DEV SUPPLY HIGH VOLTAGE ON P
97. temperature the comparator U11 gets a low output As a result even though the fuser port is abnormally activated it is disable to be over the regular tem perature For maintaining a regular temperature a protect circuit consists in it This protection is set up to start operating at the rage between 205 210 12 1 2 PWM Controller m Function Description PWM TIMER consists of each sub block which has various functions The sub block is divided based on this block diagram The entire diagram of the PWMTIMER is organized as below PWMCONO PWM PWMSDIVO BU CONTROLLER PWMO PWMDUTYO 0 PWMCON 1 PWM PWMSDIV1 PAMC WC CONTROLLER PWM1 PWMDUTY1 1 PWMCON2 PWM PWMSDIV2 CONTROLLER PWM2 PWMDUTY2 2 PWMCONS PWM PWMSDIV3 BM VOS CONTROLLER PWM3 PWMDUTY3 3 PWM TIMER OPERATION is figured out if calculating PHCLK by the value selected by the register setting and the divider PHCLK is created by count block at the PWM TIMER Service Manual X Circuit Description 12 1 3 Motor Driver A motor drive circuit is decided when selecting a driver IC Supplied by vendor Phaser 3117 uses the motor driver IC of AN44060 However the sensing resistance Rs value and the Vreference resistance value are variable according to the motor drive current value 12 1 4 LSU Controller The laser scanning unit controller LSUC of Jupiter4E is a block for interface between PVC block and LSU LSUC sends the video data received fr
98. the LReady or Hsync error happens the paper exits out beforehand And then the engine mode is changed to recovery mode and the engine informs the main system of the engine mode And the engine checks the LSU error in itself If the error doesn t happen the printing job will be proceeding 3 3 4 Engine Interface Module Design Engine Interface Module communicates with the main system in order to receive the command from main system and to transmit the present engine status for the requested status There are two sub functions One is a function to receive the command from the main system The other is a function that informs the main system of the current engine status for the requested item 3 3 5 Engine Sensing amp Unit Control Module Design Engine Sensing amp Unit Control Module consists of 4 sub functions The first function is an ADC function that reads the ADC values of the temperature of the fixing unit The second one is a fixing unit control function This function regulates the temperature of the fixing unit within a fixed range to be set by the paper type and the number of pages to print out The third one is a fan control function that controls the fan unit And the last one sets the flag that describes the present status of each sensor EJ Service Manual X System Overview FW Architecture Service Manual System Overview 3 3 6 LED Behaviors Ready LED Error LED Toner Save LED
99. the main PBA Screw x 3 Gold 6003 000269 Service Manual 4 For removing only SMPS perform the follows in order separate the SMPS cover Refer to the 5 3 release 5 screws separate the fuser connector and the main PBA connector and then take out the SMPS Screw x 5 Gold 6003 000269 Disassembly and Reassembly 5 2 10 LSU 1 Before Disassembling Separate the font cover Refer to 5 2 Separate the SMPS cover Refer to 5 3 Separate the Main cover Refer to 5 4 5 2 11 Paper Path Frame 2 Release 3 screws as shown as below lift up the LSU and then disconnect 2 connectors from the separat ed LSU Screw x 2 5 M3 6003 000196 1 Before Disassembling Separate the font cover Refer to 5 2 Separate the SMPS cover Refer to 5 3 Separate the Main cover Refer to 5 4 Separate the Fuser Refer to 5 8 Separate the Engine shield Refer to 5 9 2 After releasing 4 screws as shown as below take it out toward the arrow direction with carefulness of ground and harnesses Screw x 4 5 M3 6003 000196 Service Manual EJ Disassembly and 3 After releasing the 2 hooks from the right side of the frame take out the transfer roller Screw x 2 Silver M3 6003 000196 Bush Transfer Roller 5 2 12 Pick Up Roller 4 Remove the solenoid MP by releasing the screw from the left side of the frame Screw x 1 Gold M3
100. trol panel lights red Find and remove the jammed paper If it is invisible look inside the printer 4 7 2 In the Paper Exit Area 1 If the paper jams as it exits to the output tray and a long portion of the paper is visible pull the paper straight out When you pull the jammed paper if there is resistance and the paper does not move immediately stop pulling Continue with the next step 2 Open the top cover and the inner cover 4 12 Service Manual Alignment and Adjustments 3 Loosen the paper if it is caught in the heat rollers Then pull the paper gently out 4 Close the inner cover and the top cover 5 Open and close the front cover Printing can be resumed Service Manual Alignment and Adjustments 4 7 3 In the Paper Feed Area 1 Remove any missfeed paper by pulling it out by the visible edge from the tray Make sure that all of the paper is properly aligned in the tray 2 Open and close the front cover Printing can be resumed 4 7 4 Around the Toner Cartridge 1 Open the front cover 4 14 Service Manual Alignment and Adjustments 2 Pull the toner cartridge out and remove it from the printer 3 Gently pull the paper toward you 4 Check that there is no other paper in the printer 5 Reinstall the toner cartridge and then close the cover Printing can be resumed Service Manual nd Alignment and Adjustments 4 7 5 Tips for Avoidi
101. ts and white spots with a dry duster 3 The transfer roller guarantees 50 000 sheets printing If the roller s life is expired replace it 4 In case of 37 7 mm interval unremovable in 1 take measures as to replace the develop er cartridge and try to print out 5 Clean the inside of the set against the paper particles and foreign matter in order not to cause the trouble EJ Service Manual Troubleshooting 6 5 5 Light Image Description printed image is light with no ghost Check and Cause Solution 1 Develop roller is stained when the toner of developer cartridge is almost con sumed 2 Ambient temperature is below than 10 3 Bad contact caused by the toner stains between the high voltage terminal in the HVPS and the one in the set 4 Abnormal output from the HVPS 5 6 Dark Image or a Black 1 Check if the Toner Save mode is off 2 Replace the developer cartridge and try to print out 3 Wait 30 minutes after printer is powered on before you start printing 4 Clean up the contaminated area by the toner 5 Replace the HVPS if the problems are not solved by the above four directions Description printed image is dark Check and Cause Solution 1 No charge voltage in the engine board Perform DCU diagnostic code 01 2 Charge voltage is not turned on due to the bad contacts between power supply in the s
102. uit Diagram 24 5 CN 1 R eM MH CS lt 2 1 SUPPLY Po VS VA TRAIC BLOCK lt 5 8 BEI FUSER ON A 2 AN lt GENE 1 BLADE 2 2 lt 2 10 24 lt lt 0PC_GNDI gt n 57 L 24 lt GND RE FUSER CONTORL GND 24H HVPS to DEVE Nise 059 5 1 l 5 lt 2 lt MAN CLUTCH CI M REGI_SENC gt 3 waoogt7e 79 Ro 297 THV READ z gt REGI SEN Nu MAIN_CLUTCH 12 pink 3 ESL HV_PWH CIL 22224111 S0 BIAS lt HA ele X6 aX FUSER ON CJ 2 REGI SENSOR 00 6232 022 801 800 MAIN CLUTCH SM TO MAIN VAR 560 91 E lt 70 9 pm 00 1N5858BRL D PAPER PATH GND FUSER GND Dp LL X 0 EME PSMA 2 AWS 617 AS APS AEST T Schematic Diagram 10 3 SMPS Circuit Diagram R101 C
103. ve the toner cartridge from its bag and remove the paper covering the cartridge 3 Gently shake the cartridge from side to side to distribute the toner evenly inside the cartridge 4 Locate the cartridge slots inside the printer one on each side 3 26 Service Manual System Overview 5 Unfold the toner cartridge handle and grasp it Insert the cartridge in the printer until it snaps into place 6 Close the front cover Make sure that the cover is securely closed If the cover is not firmly closed printing errors may occur when you print Service Manual System Overview 3 4 3 Loading Paper You can load approximately 150 sheets of paper in the tray 1 Grasp the paper input tray and pull it toward you to open Pinch the rear guide and pull it out to extend the tray 2 Prepare a stack of paper for loading by flexing or fanning them back and forth Straighten the edges on a level surface 3 Load paper with the print side facing up Make sure that all four corners are flat in the tray EJ Service Manual X System Overview 4 Pay attention not to overload paper Paper overloading may cause paper jams 5 If necessary pinch the rear guide to adjust for the paper length and pinch the side guide and slide it to the left flush against the paper 3 4 4 Connecting a Printer Cable To print from your computer you need to connect your printer to your computer with a Univers

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