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Service - Printertec

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1. No Part Name and part description Qty Part number Remark 39 8 GEAR IDLE 23 1 N S 39 9 MOTOR STEP SCF 1 N S 39 10 SCREW MACHINE 5 N S 39 11 CORE FERRITE 1 N S 39 12 CABLE TIE 1 N S 40 BUSH CABLE 1 N S 42 MEA CASSETTE 1 N S 43 MEC BRUSH ANTISTATIC 25 N S 44 SHEET BRUSH 1 N S 45 GUIDE CAM KNOCK UP 1 N S Xerox Options and Accessories Part Name and part description Qty Part number Remark AC POWER CORD 110 V USA 1 117N01602 USA USB CABLE 1 117N01313 MEMORY 1 32 MB 097N01434 64 MB 097N01435 128 MB 097N01436 SCREW TAPTITE 10 026N00758 SCREW TAPTITE 10 026N00759 SCREW TAPTITE 10 026N00760 BOX P MAIN Shipping box 1 TBD CD ROM Driver 1 TBD CD ROM ScanSoft Paper Port 1 TBD CD ROM EUG English User Guide 1 TBD AC POWER CORD All European countries 1 15296000 EXCEPT the ones listed below AC POWER CORD UK Ireland 1 15256001 UK Ireland AC POWER CORD Denmark 1 15256002 Denmark AC POWER CORD Switzerland 1 15256003 Switzerland Telephone Line USA 1 117N01620 USA Telephone Line UK 1 117K26560 UK Telephone Line Spain Portugal 1 117926638 Spain Port Telephone Line Finland 1 117926658 Finland Telephone Line Italy 1 117926660 Italy Telephone Line Belgium 1 117926663 Belgium Telephone Line Austria 1 117926664 Austria Telephone Line Switzerland 1 117926665 Switzerland Telephone Line Sweden
2. WorkCentre PE 120 120i 8 10 Control Panel OPE Assembly Parts List 8 4 No Part Name and part description Qty Part number Remark 0 ELA HOU OPE 4 IN 1 1 N S 1 COVER M OPE 1 N S 2 SHEET OVERLAY OPE 4 IN 1 1 ea English 091N80214 Spanish 091N80215 Brazilian Portuguese 091N80216 French 091N80217 SHEET OVERLAY OPE 5 IN 1 1 ea English 091N80218 Spanish 091N80219 Brazilian Portuguese 091N80220 French 091N80221 3 KEY M COPY 1 N S 4 KEY M STOP 1 N S 5 KEY M START 1 N S 6 KEY M START 1 N S 7 KEY M TOLL SAVE 1 N S 8 KEY M RESOLUTION 1 N S 9 KEY M DIRECT PRINT 1 N S 10 KEY M SCAN TO 1 N S 11 RUBBER COPY SCROLL 1 N S 12 RUBBER TEL FAX 1 N S 13 PBA SUB OPE 4 IN 1 1 140N62950 14 RUBBER ONE TOUCH 1 N S 15 KEY M TONER SAVE 1 N S 16 KEY M FAX 1 N S 17 KEY M SHIFT 1 N S 18 KEY MTEL 1 N S 19 PMO KEY OT 1 N S 20 LABEL P ONE TOUCH 1 N S 21 MPR COVER ADDRESS 1 N S S SCREW TAPTITE 10 Service Manual Parts List 8 11 Parts List 8 5 Scanner Assembly WorkCentre PE 120 120i 8 12 Scanner Assembly Parts List 8 5 No Part Name and part description Qty Part number Remark 0 ELA HOU PLATEN 1 MEA UNIT SCAN UPPER 1 1 1 COVER M SCAN UPPER 1 002N02344 1 2 GLASS SCAN 1 118N00500 1 3 MEA
3. Contamination on the window or Clean the laser window with a internal lens of the laser mirror recommended cleaner IPA and a clean Digital Printer Foreign object inside the toner cotton swab wn i cartridge If dirt is inside the laser unit replace it Di ital Printer Pi oe en Low toner c Replace the toner cartridge Di ita Printer Ifthe fuser is defective voids occur d Open the front cover and check remove any D gia Pririter periodically at the top of a black contamination inside the printer that image corresponds to the position of the voids Pe p i Digital nnter Contamination on the OPC drum If the problem is not solved replace the Depression or deformation on the toner cartridge surface of the transfer roller Replace the transfer roller 7 3 3 Horizontal Black Band Example Possible Cause Sequence of Repair Actions Dark or blurry horizontal stripes periodically appear on the printed image 1 Badcontacts on the toner cartridge a Clean all HV contacts on the cartridge and high voltage terminals primter frame Digital Printer 2 The rollers in the toner cartridge b Ensure all toner or paper dust particles are s s i may be contaminated removed Digital Printer m Charge roller 37 7 mm c Clean the Gear that has a relatively small Digital Printer Develop roller 35 3 mm d If the problem persists replace the toner car
4. ELA HOU FRAME Unit Fuser Service Manual 5 15 Parts List Frame Unit Assembly Parts List 8 7 No Part Name and part description Qty Part number Remark 0 ELA UNIT FRAME 110V 1 002N02353 110V 0 ELA UNIT FRAME 220V 1 002N02352 220V 1 FRAME BASE R2 1 N S 2 GUIDE P TR 1 038N00407 3 PLATE P SAW 1 015N00500 4 GUIDE M TR RIB 1 038N00408 5 PMO GEAR EXIT DRV16 3 N S 6 FOOT BACK 2 N S 7 FOOT FRONT 2 N S 8 GROUND GUDIE TR R2 1 N S 9 MEC TERMINAL 4 N S 10 PLATE TERMINAL CON R2 3 N S 11 PLATE TERMINAL CR R2 1 N S 12 HOUSING TERMINAL R2 1 101N01346 13 PMO LOCKER CST 2 120N00427 14 PMO ACTUATOR CVR OPEN 1 120N00423 15 PMO PLATE GUIDE DEVE_R 1 032N00390 16 SPRING ETC GUIDE DEVE 2 N S 17 GROUND PUSH BUSHING 1 N S 18 PMO PLATE GUIDE DEVE_L 1 032N00391 19 PMO ACT FEED R2 1 022N02092 20 PMO ACTUATOR EMPTY 1 120N00425 21 1 PMO ACT MANUAL Switch Actuator for MPT 1 120N00453 22 GROUND EARTH TR R2 1 N S 23 GROUND TERMINAL TR 1 116N00240 24 ROLLER FEED ROLLER 1 1 022N02080 25 PMO BUSHING FEED 5 016N00274 26 SHAFT FEED 1 006N01253 27 MEA UNIT PICKUP 1 022N02084 27 1 SPRING ROLLER PICK_UP 1 N S 27 2 HOUSING PICK UP_R2 1 N S 27 3 HOUSING PICK UP2_R2 1 N S 28 IPR P EARTH TRANSFER 1 117N01616
5. b Replace the LIU c Replace the main board Service Manual 7 17 Troubleshooting 7 5 Copy Problems 7 5 1 White Copies Description A blank page prints out when copying Possible Cause Sequence of Repair Actions 1 The scanner cover is open a Close the scanner cover 2 Shade profile is incorrect b Test the shade profile in Tech Mode 3 Reference voltage on the main board is faulty c Replace the main board 7 5 2 Black Copies Description The page printed when copied is black Possible Cause Sequence of Repair Actions 1 See black prints in the Print Quality troubleshooting section of this chapter 7 5 3 Abnormal Noise Description There is noise coming from the ADF when copying Possible Cause Sequence of Repair Actions 1 The scanner motor gearbox or rollers are defective a Checkthe ADF paper path for dirt debris or 2 Check the motor driver connection to the main board faulty operation b Replace parts as required Replace the main board 7 5 4 Defective Image Quality Description See the Print Quality Problems in section 7 3 7 16 WorkCentre PE 120 120i 7 6 Scanning Problems Troubleshooting 7 6 1 PC Scanning Problems Description Unable to Scan using a PC Sequence of Repair Actions 7 6 2 Poor Quality Output of PC Scanned Images Possible Cause 1 Faulty cable communication
6. 1 see page 5 2 a Rear cover b Right side cover see page 5 3 2 Unplug the connector from the SMPS to the exhaust fan 3 Remove screw and take out the fan 5 15 Service Manual Disassembly it LSU 5 14 Laser Scanner Un 3 Unplug the 2 connectors PL 8 1 4 First remove 1 a Rear cover see page 5 2 3 see page 5 b Left and right side covers 4 C Scanner assembly see page 5 4 e Middle cover see page 5 10 d Front cover see page 5 vm D gt Oo O YN oO en ON c 5 QO O an un gt D QO an lt D gt O a N D c3 dus O dum NAA v amp ON A ass 6 B 7 la YQ CCS ra S AEA e J4 GN EX NN B a els pet Nc amp S TIRA 5 15 CRUM Board PL 8 7 First remove 1 CRUM Board 16 a Laserunit see page 5 T e c Q D Nen z au O O un un z O QO un lt D gt O D e N wi en e pmi fl a un vo q Q L m e D ae Que c e E O Le dum WorkCentre PE 120 120i 5 16 Disassembly 5 16 Drive Assembly PL 8 2 3 Take out the drive assembly then unplug the connector from the motor board 1 First remove a Rear cover se
7. 5 12 Disassembly 5 11 SMPS and LIU 4 Remove 3 screws securing the SMPS and lift out PL 8 1 6 and PL 8 1 13 the SMPS First remove 1 2 b Left and right side covers a Rear cover see page 5 see page 5 3 see page 5 12 C Engine shield assembly 2 Remove 2 screws securing the inlet bracket Inlet Bracket 5 Remove 3 screws securing the LIU and lift out the LIU 3 Remove 1 screw from the engine shield ground wire 5 13 Service Manual Disassembly 5 12 Fuser Assembly Heat Roller and Halogen Lamp PL 8 8 First remove 1 Remove 2 screws securing the halogen lamp then separate the lamp from the heat roller 1 2 a Rear cover see page 5 2 Unplug 2 connectors one to the main board and one to the SMPS 3 Remove 4 screws securing the fuser assembly Halogen Lamp Guide and Fuser Cover Thermostat Remove 4 screws to remove the fuser cover 1 Remove 2 bolts securing the thermostat take care not to lose the nuts 1 2 Remove 2 screws from the input guide Remove the thermostat Bolts Fuser Cover ka TER Thermostat WorkCentre PE 120 120i 5 14 Disassembly 2 Remove 1 screw securing the thermistor Thermistor Unroute the thermistor wiring harness 1 Thermistor 5 13 Fan PL 8 1 27 First remove
8. ARM946E S CORE 16KB ICACHE 16KB DCACHE EXTERNAL 1 DMA CONTROLLER ROM 4CH CONTROLLER ra IO TROLLER ft i DECODER SFR BUS SYSTEM INTERFACE BUS INTERFACE SYSMAC CLOCK amp RESET GENERATOR SYSTEM PLL 120MHz HPVC 512x8 4096x16 SYSTEM BUS ARBITER SDRAM CONTROLLER 5CH ENGINE CONTROLLER LSU I F PULSE WIDTH MODULATOR MOTOR CONTROLLER 128x16 x2 ADC 3CH gCODEC PARALLEL PORT INTERFACE MISC CONTROLLER EPI ENGINE ROTATOR Comm I F SCALER HALFTONER GRAPHIC EXECUTION UNIT INTERRUPT 1024x8 256x8x4 CTRL 5CH TIME CONTROL UNIT 4 12 WorkCentre PE 120 1201 Product Summary 4 3 2 Memory The board has Flash ROM and DRAM memory units There is 1 SODIMM socket to enable extra DRAM 4 3 3 Flash Memory Record system program and download system program by PC interface Fax for Journal list and memory for One Touch Dial Speed Dial List B Capacity 4 MB B Access Time 70 nsec 4 3 4 SDRAM SDRAM is used as swath buffer during printing scan buffer during scanning ECM buffer in fax receiving and system working memory area m Capacity 32 MB m Max frequency 133 Mhz m Store fax receive memory data by using a battery 4 3 5 Battery Backup Backup power is provided by a 3 6 V rechargeable lithium battery It provides power to the SDRAM to retain any faxes in momory when the main power 1s l
9. 270 VAC Input Frequency 50 60 Hz 50 60 Hz Frequency tolerance 3 Hz 3 Hz Power Consumption Ready 70 Watts Average 370 Watts Maximum 700 Watts Sleep Mode 30 Watts Power Saver Mode User settings available ON OFF Noise Printing 54 dBA Copy 55 dBA Standby 33 dBA 3 3 Environmental Specifications Item Operating Storage Optimum Temperature 10 329 C 50 90 F 0 40 C 32 104 F 20 25 C Humidity 10 80 RH 20 95 RH 30 70 RH Altitude 2 500 meters 8 200 feet maximum 3 4 Routine Maintenance Items and Consumables Items Life Item Life System Life 150 000 pages Standard Toner Cartridge 3 500 Pick Roller 150 000 pages High Capacity Toner 5 000 Friction Pad Tray 150 000 pages No Toner level sensing Friction Pad ADF 20 000 pages Toner pen eOumtel Transfer Roller 60 000 pages Maximum Monthly Volume Fuser 80 000 pages Print 15 000 pages Scan 1 000 pages ADF 1 000 pages 92 WorkCentre PE 120 120i 3 5 Media Specifications Specifications For more information on sizes weights and approved media support for this system see the user manual Item Specification Input Capacity Tray 1 250 sheets Optional Tray 2 MP Bypass Tray 50 sheets ADF 50 sheets Output Capacity Face Down 150 sheets 20 Ib bond Face Up 1 sheet Media Sizes Tray 1 A4 Letter Legal Folio Execut
10. DRPD Mode 7 Reports Phone Book Sent Report RCV Report System Data Scheduled Jobs MSG Confirm Junk Fax List O Maintenance Clean Drum Auto Cleaning Notify toner Clear Settings 6 7 Alignment and Adjustments 6 4 Tech Mode In Tech service Mode the technician can check the system and perform various tests to help with diagnosing problems While in Tech Mode the system still performs all normal operations 6 4 1 Entering Tech Mode 1 Press the following buttons in order Menu 1 9 3 4 2 The LCD displays TECH and the system is now in Tech Mode 6 4 2 Tech Mode Menu Data Setup Machine test Report Send Level Switch Test Protocol Dial Mode Modem Test System Data Modem Speed Dram Test Error Info Error Rate Rom Test Notify Toner Pattern Test Clear All Memory Shading Test Clear Count Flash Upgrade 6 4 3 Data Setup SEND LEVEL This sets the fax send level for the transmission signal Typically the transmission send level should be under 12 dBm Note The send fax level is set for optimal performance at the factory Do not change this setting unless it is needed for troubleshooting DIAL MODE This function chooses the dialing method for Tone or Pulse The default is Tone MODEM SPEED This sets the modem speed When the fax establishes communication with a remote set the value of the maximum modem speed is checked for both transmitter and receiver The lowest value is used It
11. P Service Manual 6 5 Alignment and Adjustments 6 2 4 Jam 2 Paper in the Exit Area 1 Open and close the front cover this causes the jammed paper to automatically exit the system 2 Remove the jammed paper by pulling it straight out 3 Ifthere is any resistance open the rear cover and and remove the jammed paper from the back of the system Front Back 6 2 5 MP Tray Jam Paper in the Bypass Tray This jam occurs when using the MPT or bypass tray The system does not detect paper in the tray due to the absence of media or improper loading 6 6 WorkCentre PE 120 1201 6 3 Control Panel Menu 1 Paper Setting Copy Tray Fax Tray Paper Tray Paper Size 5 Fax Feature Delay Fax Priority Fax Add Page Cancel Job 8 Network Setup Reset Network Config Network Set to Default Print Net CFG 2 Machine Setup Machine ID Date amp Time Clock Mode Language Power Save Scan Power Save Import Settings Export Settings USB Mode 6 Advanced Fax Send Forward ROV Forward Toll Save Junk Fax Setup Secure Receive Prefix Dial Stamp RCV Name ECM Mode 9 Sound Volume Speaker Ringer Key Sound Alarm sound Service Manual 3 Copy Setup Change Default Timeout Alignment and Adjustments 4 Fax Setup Receive Mode Ring to Answer Lighten Darken Redial Term Redials MSG Confirm Auto Report Auto Reduction Discard Size RCV Start Code
12. Standby It has been lower than 100 C over 25 sec Printing 2 consecutive pages it has been lower than 145 C over 5 sec 3 consecutive page it has been 40 C lower than the fixed fusing temperature over 4 seconds Over Heat Error It has been higher than 220 C over 3 seconds 4 5 5 LSU The LSU consists of the LD Laser Diode and the polygon motor control When the printing signal occurs the LD is turned on and the polygon motor is enabled When the light sensor detects the beam Hsync occurs When the polygon motor speed becomes a normal LReady occurs If these two conditions are satisfied the status bit of the LSU controller register becomes 1 and the LSU is judged to be ready If the two conditions are not satisfied the error shown in the table below occurs Error Description Polygon Motor Error The polygon motor s speed isn t normal Hsync Error The polygon motor s speed is normal but the Hsync signal is not created Service Manual 4 19 Product Summary 4 6 OPE Control Panel PBA The control panel board consists of various functin keys and an LCD to display system status operator messages menu items and errors Communication between the OPE and the CPU on the main board is serial 4 7 USB Host The USB host board provides power to the USB connector to enable USB memory drive used in conjunction with the USB direct printing and Scan to USB fumctions 4 8 Fax Section 4 8 1 Modem Group3 Facsimile
13. 2 Off 430V 20V 3 THV EN NEG Test On 2 Off 1200V 300V 150V i 4 THV ON 1300V On 2 Off 1300V 20V 5 THV ADC 1300V On 2 Off ADC Value 101 5 6 THV ADC 600V 3500V On 2 Off Compare each ADC Value Service Manual 6 11 Alignment and Adjustments 6 5 3 Detailed Description Engine Test Mode Function Name Description Display 01 Motor Test The main motor starts when executed and stops when Main Motor On Off the stop key is pressed 02 Pick Up Test Automatically stops when the execution key is chosen Tray 1 2 Solenoid On Off 03 Fan Test The fan starts at execution and stops when the stop key Fan On Off is pressed 04 Manual Clutch Test The tray 2 3 clutch is on for 1second at execution and Tray 2 3 Clutch On Off then automatically stops The main motor runs for 2 seconds from the time of the clutch ON in order to check the clutch state 05 PTL Test PTL Pre Transfer Lamp turns on at execution and stops PTL On Off when the stop key is pressed 11 LSU Motor The laser motor starts when executed and stops when Laser Motor On Off the stop key is pressed 12 LSU Hsync Test The LSU motor starts and Laser Ready is displayed if Laser Leady On Off the motor spins at the correct speed otherwise a Laser Error will display 13 LD Test Diode On is displayed when the laser diode is on Diode On Off Otherwise D
14. 3 1 2 5 Bodily Injury Wattlngs ii uuu ehe dh re e ER ES x e 1 4 LD ESD YS IDIOT EE E TETTE TTE C ET LT was eee yon eae seen teas 1 5 Reference Information 2 1 Tools for Troubleshooting the system 2 2 2 Common Acronyms and Abbreviations 2 2 2 3 Selecting a Location for the system 2 4 Specifications 5 1 General SpeciHiCcatiofis seserian tiame 4056 ERROR Edd n don de Re ed de Saw eg d 3 3 2 Electrical Specifications 22 2 24 oon oad a eme 93r acer exe eye here 3 2 3 3 Environmental Specifications 3 2 3 4 Routine Maintenance Items and Consumables 3 2 3 2 Media SPpeCiMCanOus Las i2 i a acid e9 dock ao b500004000504 44002 opea SOR Ped rhet 3 3 3 6 Print Engine Specifications iudex dt hs Ey dE ee choices arque 3 4 o Scal SDeCITICHLIOLIS a 3022 2 29 98 309 2 2 9 92808 ee OE DRE URS de eee 3 5 39 COPY SPECI CAO Sss 400505 de UE OR Eod ad s doc in D 3 6 3 8 1 Telephone SpeciHcatlOn iussa sure xe gym 3e ES E ERR ES Ta 3 7 25 9 Pax SDeeHM e dHlOl 2s a node Hee DO Apa dead Ree deco AG ot 3 8 Product Summary 4 1 Printer Components Front View 4 Milde Rear VION uusdosceqoedanb ee ne oo 20 4 2 OA COOL Panel oos piens v erPSA Od pad Oana eee dE bea es 4 3 42 Syse I AVONL S ee de se ce ca se doc de Soc tone e
15. ADF ASS Y Meus I 3 2 6 WorkCentre PE 120 1201 Parts List 8 7 Service Manual Parts List ADF Assembly Parts List 8 3 No Part Name and part description Qty Part number Remark 0 ELA HOU ADF SYSTEM 1 N S 1 MEA UNIT ADF UPPER 1 022N02094 1 1 COVER ADF UPPER 1 N S 1 2 MEA UNIT HOLDER ADF 1 019N00809 1 2 1 RMO ADF RUBBER 1 019N00566 1 2 2 HOLDER PAD ADF 1 N S 1 2 3 SPRING ETC PAD 1 N S 1 2 4 SHEET ADF HOLDER 1 N S 2 ELA HOU ADF LOWER 1 002N02340 2 1 COVER M ADF LOWER 1 2 2 PBA SUB ADF 1 N S 2 3 GROUND P ADF 1 N S 2 4 SHAFT M FEED GEAR 38 1 N S 2 5 ROLLER DRIVE 1 N S 2 6 PMO ACT EMPTY ADF 1 N S 2 7 PMO ACTUATOR REGI SENSOR 1 N S 2 8 PMO ACTUATOR SCAN SENSOR 1 N S 2 9 SPRING ETC TORSION DOC CC2 F 3 N S 2 10 IPR GROUND ROLLER 1 N S 2 12 ROLELR EXIT 1 N S 2 13 MEC BRUSH ANTISTATIC 1 N S 2 14 PPR WHITE BAR SHEET 1 N S 2 15 BMO BUSH 4 N S 2 16 CBF HARNESS ADF 1 N S 2 17 GEAR AGITATOR 2 1 N S 2 18 RING C 1 N S 2 19 GUIDE STACKER SUB 2 N S 2 20 CBF HARNESS ADF ROLLER GRD 1 N S 2 21 IPR BRKT WHITE BAR 1 N S 2 22 SPRING ETC WHITE BAR 1 N S 3 ELA HOU ADF MOTOR 1 002N02341 3 1 BRACKET GEAR ADF 1 N S 3 2 MOTOR STEP ADF 1 N S 3 3 GEAR CLUTCH
16. Feeding Sensor e Paper Out Face Down eb Paper Exit Sensor 4 Paper Empty Sensor Manual 6 2 WorkCentre PE 120 120i Alignment and Adjustments 6 2 Clearing Paper Jams Paper Jam 1 around the fuser or toner cartridge Paper Jam 2 in the fuser or exit path The leading causes of paper jams are m The tray is loaded improperly or overfilled m The tray has been pulled out during a print job m The front cover has been opened during a print Job m Paper that does not meet specifications has been used m Paper that is outside of the supported size range has been used MP Tray Jam in the bypass tray area If a paper jam occurs an error message appears on the LCD display Remove any visible jammed paper in the system If there is no paper visible look inside the printer If the paper tears while removing a jam ensure that ALL fragments of paper are removed from within the system Caution Do not use tweezers or other sharp metal tools when removing a paper jam You can damage the toner cartridge fuser rollers or damage wiring leading to the potential for electric shock Service Manual 6 3 Alignment and Adjustments 6 2 1 Clearing ADF Jams
17. LAB UT 4 19 AS a Sd E 4 19 Z4 PUSS 3229 2 95 0 02 7 oa beens r Guru dores qoa bas eue Ud ee d 4 19 4 6 OPE Control Panel PBA 4 20 MEN HMOs dost eE as rectaorrne eens oad aoe eneee ae ened 4 20 RO EC MCCUOM 6 2 6 0 tapi Eb Rh eh HE denne eee RUN h tease cee oee od aeta 4 20 T3 T NIOUEHE satan d re rS PTS LESE RUE PES E ead eoteeas ed ase ard d 4 20 AS LINED m 4 21 4 8 3 Tel Line Connection Circuit eisses suisse sembra Roman ead 4 2 4 8 4 Transformer Cireuit 4 22 AO On Hook Se acr uckur ita tabs ede a erasa 4 22 4 8 6 Off Hook State 4 22 D Ru PH I 4 23 Disassembly 5 1 Precautions for Disassembly Reassembly 5 I 5 1 1 Precautions When Removing Circuit Boards 5 VA C ROI ee dee Se ete ne oo de eo cas dass 5 2 3 3 Side Covers Ripht and LE vsus ee cr na ui ose Re Wu Reds 5 3 S4 PROOUCOVEr M 5 4 2 2 Scanner ASSEMDIY aa 2 accus 82 ca eee aan ana SCR aO do od 5 4 5 6 ADF Motor Assembly 5 8 D OPE Control PE a co TIERS 5 9 5 5 Middle Cover and Exit ROBets 5 03 D RECS Ter E USE 5 10 5 9 Controller Shield Assembly 5 11 5 10 Engine Shiel
18. Margin 20mA and over 4 22 WorkCentre PE 120 120i 4 8 7 Signal m Input Signal Level Range OdBm 48dBm m DP Dial Pulse Dial m Make Brake Ratio 40 60 m Pulse Speed 10 0 8 pps Minimum Pause above 60 msec m DTMF Signal m Coding Format L H 1209 Hz 1446 Hz 1477 Hz 697 Hz 1 2 3 770 Hz 4 5 6 852 Hz 7 8 9 941 Hz T 0 BH Transmission Level L H Level Typical High 6 2 dBm 6 7 dBm Low 8 2 dBm 6 7 dBm Twist 2 dBm 2 0 dBm Service Manual Product Summary 4 23 Product Summary 4 24 WorkCentre PE 120 120i Disassembly bh Disassembly Use only approved Xerox spare parts Ensure that the part number product name any voltage current or temperature ratings are correct Failure to do so could result in damage to the printer circuit overload fire or electric shock Do not make any unauthorized changes or additions to the printer this could cause the printer to malfunction and create electrical shock or fire hazards When disassembling the printer note where each screw goes Using the wrong screw could lead to printer failure short circuits or electrical shock Do not disassemble the laser unit Once it is disassembled dust is admitted to the mirror chamber and will seriously degrade print quality There are no serviceable parts inside Regularly check the condition of the power cord plug and socket Bad contacts could lead to
19. Note These settings are stored even after a memory delete Clear All Memory To use this function 1 Press MENU 1 9 3 in sequence The Firmware version is displayed on the LCD 2 Press 1 on the number keypad The LCD display shows Updated date 3 Press 2 on the number keypad The LCD display shows Product first use date Service Manual 6 13 Alignment and Adjustments 6 8 Periodic Defective Image or Abnormal Printing If a mark or other printing defect occurs at regular intervals down the printed page it may be caused by a damaged or contaminated roller Measure the repeating defect and refer to the table below to identify the problem component ap OPC Drum 5 Transfer Roller e Charge Roller Q Heat Roller e Supply Roller o Pressure Roller O Developing Roller No Roller Defective image Typical defect 1 OPC Drum 75 5 mm white spot on black image or black spot 2 Charge Roller 37 7 mm black spot 3 Supply Roller 44 9 mm light or dark horizontal density image band 4 Developing Roller 35 2 mm horizontal density band 5 Transfer Roller 47 1 mm Back side contamination transfer fault 6 Heat Roller 77 8 mm black spot and fuser ghost 7 Pressure Roller 75 4 mm black spot on the backside 6 14 WorkCentre PE 120 120i Alignment and Adjustments 6 9 Error Messages The front panel displays the printer s status or error messages Refer to the list below for an explanat
20. ProDlemiss uu iuo rg voe ae inerte ans 7 19 7 6 2 Poor Quality Output of PC Scanned Images 7 19 JT Toner Cartridge ServiCIng 2 34 2508 Su s EAE CC A eee ae ee ER og acd 7 20 7 7 1 Precautions for Toner Cartridges 7 20 112 VOner artridpe Lane nation ce Sed Gee a Te ASPIRE ASTE des 7 20 Vul 2 Redisttibutmb TON ES EME vete doe moda a pi ale Gil 7 20 Table of Contents iV JT Sotware POI SE xum auium mda dures duquel eee 7 9 1 The Printer is Not Responding to the Print Command 7 8 2 The Printer is Not Responding to a Print Command or Strange Ponts are PEHTIDS 44e ea ad orm ER ERU nin Tadina RO POOR BEBO ea en o SEE IURE EE PIS TRES 17 9 Networking Problems Rd cts con one 8 Parts List 8 1 Main Assembly 8 2 Main Drive Assembly z ocium wd nod e ie mar PG 2e de tas B DE A SCD En eee ee Pei 8 4 Control Panel OPE Assembly 8 5 Scanner Assembly 2 uos Dies ed muro ge RAS es crade cet 8 6 Middle Cover Assembly 5 7 Frame Assembly 6204445 4 eiweseheheeae ses ee do e p 5 5 Fuser Unit Assembly 2 64 0005 Dee RUE RP icon 5 9 MP ASSeMIOIN 3a 5a ui med ee Pd us 8 10 Tray 1 Cassette Unit Assembly 8 11 Tray 2 SCF Optional Cassette Unit Assembly Xerox Options and Access
21. SYSTEM 1 N S 1 ELA HOU SCAN 1 N S 1 1 ELA HOU ADF 1 002N02331 1 2 ELA HOU OPE XEROX CONTROL PANEL 1 002N02332 1 3 COVER M OPE FRONT 1 N S 1 4 ELA HOU PLATEN 1 002N02333 2 ELA HOU UNIT FRAME 110_V 1 002N02353 110 V ELA HOU UNIT FRAME 220 V 1 002N02352 220 V 3 ELA HOU RX DRIVE see PL 8 2 1 007N01270 4 UNIT LSU Laser 1 122N00228 4 1 CBF HARNESS LSU GROUND 1 N S 5 CBF HARNESS LSU 1 152N11572 6 SMPS HVPS 110 V 1 105N02044 SMPS HVPS 220 V 1 105N02043 7 PBA MAIN MAIN CONTROLLER 4 IN 1 1 140N62941 PBA MAIN MAIN CONTROLLER 5 IN 1 1 140N62942 8 SHIELD P CONTROLLER 1 N S 9 BRACKET P DUMMY CTRL 1 N S 10 MEA UNIT SHIELD ENGINE 1 N S 11 BRACKET P INLET 1 030N00654 12 CBF HARNESS HIGH LIU 1 152N11573 13 PBA LIU USA Canada Eastern Europe Saudi 1 140N62943 Arabia India South America 13 PBA LIU Western Europe 1 140N62947 13 PBA LIU Australia 1 140N62948 13 PBA LIU South Africa 1 140N62949 14 COVER M SIDE R 1 002N02334 15 ELA UNIT MP 1 002N02085 16 CBF HARNESS MOTOR 1 152N11577 17 MEA ETC TR 1 002N02079 17 1 ROLLER TRANSFER R2 1 N S 17 2 GEAR TRANSFER 1 N S 18 MEA UNIT COVER MIDDLE 1 002N02335 19 MEA UNIT COVER MID FRONT 1 002N02336 19 1 COVER M MID FRONT 1 N S 19 2 CAP M SUB ACTUATOR 1 N S 19 3 PMO M SUB ACTUATOR 1 N S 19 4 SCREW TAPTITE 1 N S 20 MEA UNIT CASSETTE USA 1 050N00451 USA 21 ELA HOU COVER SIDE L 1 002N02337 21 1 COVER SIDE L 1 N S 21 2 COVER DIMM 1 N S 21 3 SPEAKER 1 N S 21 4 SCREW TAPTITE 2 22 MEA COVER FRONT 1 002N02336 22 1
22. Specifications The specifiations in this manual are correct at the time of printing Product specifications are subject to change without notice 3 1 General Specifications Item Specification Major Functions Fax Copy Print Scan ADF Direct Print Scan to USB Memory Scan to PC Width 450 mm 17 7 in Depth 423 mm 16 7 in Height 456 mm 18 in Weight w Toner Cartridge 15 6 kg User Interface Control Panel OPE with LCD display I O Interface MPU Parallel USB 2 0 SPGPm 166 Mhz Warm up time from cold 42 seconds from standby Operating System Windows 98 ME NT 4 0 2000 XP MAC Supports printing only english only user must download drivers from the world wide web WHQL Windows 2000 and XP only Driver Printer GDI PCL6 PCL5e std PostScript Level 3 PE120i only Network Printing Protocol SPX IPX TCP IP Ethertalk SNMP HTTP 1 1 DLC LLC PE120i only Memory Upgrading to more than the standard 32 MB of memory will only improve print functions The memory allocation for other system components is as follows m 12 MB PostScript m 4 MB Fax m 2MB System m 2 MB Scan Standard 32 MB standard Optional 16 32 64 and 128 SDRAM DIMM 100 pin Service Manual 3 1 Specifications 3 2 Electrical Specifications Item Specification Input Voltage 110 127 VAC 220 240 VAC Input Range 90 135 VAC 180
23. between the system and a computer 2 Driver is inproperly installed b C d Reconnect the PC and system Replace any faulty cables Re install the driver and settings Check that the copy functions work correclty to isolate the scan problem Replace the main board Description The image scanned through the PC is not clear or is poor print quality Possible Cause Sequence of Repair Actions 1 Incorrect driver or application settings a C Check the driver and application settings resolution b Check the user guide for the proper settings See the Print Quality troubleshooting section Service Manual 7 19 Troubleshooting 7 7 Toner Cartridge Servicing Use only Xerox toner cartridges in the printer Non Xerox toner or Third Party toner refills are not guaranteed to work with this printer and can cause malfunctions print quality problems and jamming to occur 7 7 1 Precautions for Toner Cartridges Excessive exposure to direct light for more than a few minutes can cause damage to the cartridge and degrade print quality 7 7 2 Toner Cartridge Life If the printed image is light due low toner life remaining you can temporarily improve the print quality by redistributing the toner shake the toner cartridge however you should replace the toner cartridge to solve the problem 7 7 3 Redistributing Toner When toner is low faded or light areas may appear on a printed page Y
24. eyes When using this product these basic safety precautions should always be followed to reduce the risk of fire electrical shock and bodily injury CAUTION INVISIBLE LASER RADIATION WHEN THIS COVER OPEN DO NOT OPEN THIS COVER VORSICHT UNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GE FFNET 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 I STRALEN UNNGA EKSPONERING FOR STRALEN VARNING OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD OCH SPARREN AR URKOPPLAD BETRAKTA EJ STRALEN STRALEN AR FARLIG VARO AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NAKYMATTOMALLE LASER SATEILYLLE ALA KATSO SATEESEEN FARME DERE 0 HAE AH aozo LEE oor ZOJKA Br lo d Service Manual 1 1 Precautions 1 2 Safety Cautions 1 2 1 Toxic Material This product contains toxic materials that can cause illness if ingested 1 Please keep toner cartridges away from children The toner powder contained in the toner cartridge can be harmful and if swallowed you should conta
25. i aa a 7 T abs hte iJ 1 A x oen EL UP i Ps z kad e TO er He i TA 1 r L LL v by AM d beg ae VE f E omg P 1 pa JT P s j r bapi e s Fa m ZL i A an fit LET Ae f 1 NC Uu Ter il E 3404 Dy 1 hs btb tipt e he 4 4 1 High Voltage Power Supply 1 Transfer High Voltage THV High voltage is used to transfer toner from the OPC Drum to the paper Output Voltage 1300 V DC 50 V m Error Indicators If the high voltage is not present low density printing occurs due to toner on the OPC Drum not being transferred to the paper It is possible that waste toner over flow can occur if this condition persists Ghost images may appear which repeat at 76 mm intervals 2 Charge Voltage MHV The charge voltage charges the surface of the OPC Drum to 900V 1000V Output voltage 1550 V DC 50 V m Error Indicators If MHV is not present the OPC drum surface has no charge and toner is attracted to the entire OPC surface A black page is printed out when this happens Service Manual 4 15 Product Summary 3 Cleaning Voltage THV The cleaning voltage removes toner contamination from the rear side of the paper by sending polarity to the transfer roller forcing toner to transfer back to the OPC drum B Output Voltage 1200V 300V 150V m Error Indicators Smudges and toner contamination on the reverse side of the printed page 4 Developing Voltag
26. night for example WorkCentre PE 120 120i Product Summary 4 2 System Layout The system is made up of the an Automatic Document Feeder ADF scanner platen and control panel and the print engine which performs the systems print power controller and interface functions 4 2 1 Scanner Paper Path T Doc Paper 50 Sheets Pickup Roller ADF Roller O Sensor Doc QO Sensor Regi 4 Sensor Scan uM B Feed Roller G Exit Roller 4 2 2 Print Engine Paper Path Engine Part ap Paper Input Cassette O Paper Empty Sensor Cassette 2 Paper Input Manual Feeder O Paper Feeding Sensor Paper Out Face Down o Paper Exit Sensor O Paper Empty Sensor Manual Service Manual 4 5 Product Summary 4 2 3 Print Engine Paper Path Rollers ep OPC Drum Transfer Roller 2 Charge Roller O Heat Roller Supply Roller D Pressure Roller D Developing Roller 4 3 System Summary The system consists of the following main functional components 1 The Firmware Engine firmware controls the print copy scan and fax processes 2 The Image Input Terminal IIT 1 Automatic Document Feeder ADF Scanner and Control Panel The scanner uses a p
27. not put your hands into any moving parts Paper feeding entrance motor fan etc Remove jewelry and loose clothing before servicing the system This system weighs 15 6 kg Use safe lifting and handling techniques Use the lifting handles located on each side of the system Back injury could result if you do not lift the system properly Ensure the system is installed properly Ensure the system is installed on a flat level surface capable of supporting its weight Failure to do so could cause the system to tip or fall possibly causing personal injury or damaging the system Do not install the system on a sloping or unstable surface After installation double check that the system is stable WorkCentre PE 120 120i Precautions 1 3 ESD Precautions Some semiconductor components and the respective sub assemblies that contain them are vulnerable to damage by Electro Static Discharge ESD These components include Integrated Circuits ICs Large Scale Integrated circuits LSIs field effect transistors and other semiconductor chip components The following techniques will reduce the occurrence of component damage caused by static electricity Be sure the power 1s off to the chassis or circuit board and observe all other safety precautions Immediately before handling any semiconductor components assemblies drain the electrostatic charge from your body This can be accomplished by touching an earth ground source or by wearing a wri
28. overheating and fire Damaged cables could lead to electric shock or component malfunctions Caution Many of the parts are held in place with plastic latches The latches break easily Remove them carefully To remove such parts gently pull the hook end of the latch away from the part where it is latched Caution To prevent damaging the toner cartridge and degrading print quality protect the toner cartridge from light when removing it from the printer Service Manual 5 1 Precautions for Disassembly Reassembly 5 1 1 Precautions When Removing Circuit Boards Static electricity can damage a board follow the ESD precautions in Section 1 of this manual when handling or storing a board Precautions when moving and storing boards m Place boards in an approved anti static discharge bag m Do not store a board where it is exposed to direct sunlight Precautions when replacing boards m Disconnect power connectors first before disconnecting other cables m Do not touch any soldered connections connector terminals or other electronic parts when handling insulated parts Precautions when checking boards m Before touching a board touch a grounded area on the printer chassis to discharge any static electrical charge on the body or wear an anti static wrist strap m Do not touch the board with your bare hands or metal objects this can create a short circuit or cause an electrical shock Take extra care when
29. page 5 2 b Left and right side covers see page 5 3 NA SA Ct y Ss ANN Q 9 fs O AY NON Ve EX NN rd VN YY A N N ON nee Ws qs AS KA ANA CRT 03 C Front cover see page 5 4 US 5 d Scanner assembly see page 5 4 e Middle cover see page 5 10 f Controller shield see page 5 11 S S CY RQ A E w Se V X X p gt I un D OD ci ex V D un gt E D N N ci o m A o oo n u Disassembly 5 Remove the feed gear 2 3 Remove the screws on the left and right sides of the Feed Gear2 F ffe Ele beo pA 6 Remove the feed gear 1 paper guide to remove the guides and the spring as shown 4 Remove the 3 screws securing the feed bracket and remove the bracket N 0 Q Q E 2 L Feed Bracket T Remove feed roller and feed roller 1 as shown Feed Roller Feed Roller1 5 19 Service Manual Disassembly 5 20 Pick Up Assembly PL 8 7 1 First remove Rear cover see page 5 2 Left and right side covers see page 5 3 Front cover see page 5 4 Scanner assembly see page 5 4 Middle cover see page 5 10 Controller shield see page 5 11 Engine shield see page 5 12 207000950 Drive assembly see page 5 17 Feed assembly see page 5
30. surface of the OPC drum This is achieved by controlling the laser beam and exposing the surface of the OPC drum to the laser light A rotating polygon mirror reflects the laser light onto the OPC Each face of the mirror produces one scan line As the OPC drum turns the laser scans to create the full page image The HSYNC signal is created when the laser beam from the laser unit reaches the end of the polygon mirror and this signal is sent to the controller The controller detects the HS Y NC signal to adjust the vertical line of the image on paper In other words after the HSYNC signal is detected the image data is sent to the laser unit to adjust the left margin on the paper Service Manual 4 9 Product Summary 4 2 8 Toner Cartridge The toner cartridge is an integral unit containing the OPC unit and toner unit The OPC unit consists of the OPC drum and charge roller The toner cartridge unit consists of the toner supply roller developing roller and blade doctor blade LSU 0 32mV 401 ul Vo 950V V 180V Uu EN Charging Roller Zener Diode Max 5 0kV 130V SMPS ZD403 Transfer Roller Developing Method Non magnetic 1 element contacting method Toner Non magnetic 1 element shatter type toner Toner Life 3 500 sheets 5 000 sheets 18019752 standard Toner remaining sensor No OPC Cleaning Film OPC using an electro static cleaning process Management of waste toner Collected using an elec
31. 1 117826672 Sweden Telephone Line France 1 117926678 France Telephone Line Denmark 1 117926679 Denmark Telephone Line Norway 1 117926680 Norway Telephone Line Germany 1 117926682 Germany Telephone Line Netherlands 1 117926684 Netherlands Telephone Line Generic Ireland Turkey Russia 1 117926687 Generic 8 26 WorkCentre PE 120 120i Block Diagram Vie X8L7eVd L 99po9 93df pP aJa HOLOW N3LYld G99 40109 Idd 009 OLY 1dVd 101U09 YING pe ONIAIHQ GOD HOSNHS HHAOO LV1d JONUOD 1010 lN gt AAV dl9 CNW D Noze NOLLOV g 1HOd Oll e b gt 4 134V JesseooJg ebew De tdl eg 81 INVHS LSVA Co 4 Ma Olanv Sd8M9 o easryvgcra3aal de ra HE NEN SEEN D lonuo euiBu3 IN33ON C3 za ET WHHL 41 Of dc 930006 LOH NAD O d WWIG AHOW3MW gt LOS INA H 192768V aun ws 83100 HMd OV vez xawz eSd lt gt lt gt HUdAud l0 u09 WOU HOLON NIVIN HOSN3S 334 M eez XGINZ 910d de 01002 WYHAS i Ave Z ZZLIN wosnas AZ oibo dnyoeg vua gt c9 3HOVO D aana gsn T ALdW3 dN AS S39
32. 18 2 Remove the pick up gear assembly Sy 22 eo Sal D G 4 Remove the 2 screws securing the manual solenoid and pick up solenoid Manual Solenoid Replacement 1 To replace the pick up roller slide the stopper securing the sponge roller to the right and then turn the sponge roller to remove from the shaft Note It is not necessary to disassemble the system to replace the MP or Main cassette pick rollers 5 20 WorkCentre PE 120 120 Disassembly MP or Main Cassette Pick Rollers 2 Slide the white collar as far to the side as possible 3 Slide the pick up roller until it is free from the 1 Remove the main paper tray toner cartridge and white collar on the opposite end front cover see page 5 4 4 Rotate the pickup roller around the drive shaft until Main Cassette it can be removed 1 Release the white catch and slide the locking piece as far to the side as possible 2 Slide the white collar as far to the side as possible 3 Slide the pick up roller until it is free from the white collar on the opposite end 4 Rotate the pickup roller around the drive shaft until it can be removed MP Pick Roller 1 Release the white catch and slide the locking piece as far to the side as possible Service Manual 3 21 Disassembly 5 222 WorkCentre PE 120 120i Alignment and Adjustments Alignment and Adjustments This chapter describes some of the main s
33. 2 Sy Stet NIAIUCLHO SR Eau ende mera oe Eo Db Re du eS A o CES d oda 7 5 T2 T ECD Display is Deteetlyeu 3o e teet EE ELE 7 5 7 2 2 Defective Control Panel Keypad 7 5 7 2 3 Fuser Gear Melted Due to Overheating Causing a Paper Jam 7 5 Tub Paper Emp BITOBS outer reb ve bee Siu bed boats d ue s 7 6 7 2 5 Paper Empty Error Without Indication 7 6 OCON CL OCI 5 8 Goes 4a Bet ao ae et IER 7 6 7 2 7 No Error Message when the Cover is Open 7 6 12 8 Detective Motor Operation sr srei si case eae hese Bae tw dei nee X NEC 7 7 DA NO eh ol eR ee ene eee ee ute DR eddie ui a zoe de E 7 7 7 2 10 Printed Vertical Lines Become Curved 7 7 9 Prt Quality Probleifls 325 4 md oui un In Mais ans AG ES dot ice 7 8 7 3 1 Wrong Print Postion Ju dtes a acd e wd ARR ee RR 7 8 7 92 Vertical White LeS 25 opui o RC Pes e s da dta De 7 8 1 9 Horizontal Black Balb so i edd d hit or oi ice sine xU 7 9 PSC WII DORE i o hatha bad Ped det Bid tod pedea dou e 7 9 VEM uc PP rer rnc 7 10 7 3 6 Dark Image or Completely Black Print 7 10 T 4 0 neven Denstby 52 s 2b tem ah d ea eb ice ru utn a os 3e ore E dps cd 7 11 7 3 8 Background Contamination 7 11 Dn MO ME SR ee Da on MAT see en nn MOD Den 7 12 To FO GHIOSUDP 2 usare Een rtt eA etu Rte or xu V qe ARNE E SA EUM 7 12 VASE MIN CHS MO
34. 20 Wh 4 EMI Requirement CISPR FCC CE MIC C Tick 5 Safety Requirement IEC950 C UL TUV Semko iK CB CCC EPA Service Manual 4 17 Product Summary 4 4 3 Fuser AC Power Control The Fuser HEAT LAMP is heated using AC power The AC power is controlled by a triac THY1 a semiconductor switch On Off control is achieved when the gate of the Triac is turned ON OFF by a photo triac PC1 this is an insulting part The AC control is a passive circuit It turns the heat lamp ON OFF by taking a signal from the engine control section When the HEATER ON signal is activated by the engine the LED of PCI Photo Triac flashes The flashing light causes the Triac PC1 to switch and voltage is supplied to the gate of Triac THY1 As a result AC current flows to the heat lamp and heat is produced When the signal is OFF PCI is OFF and the voltage is cut off at the gate of triac THY 1 this triac is off and in turn the heat lamp is turned off 1 Triac THY1 feature m 12A 600V SWITCHING 2 Phototriac Coupler PC3 m Turn On If Current 15mA 50mA Design 16mA m High Repetive Peak Off State Voltage Min 600V 4 5 Engine F W 4 5 1 Feeding While feeding from the universal trays the drive for the pickup roller 1s controlled by the pick up solenoid The printer feeds the paper from the bypass tray according to the information provided by the MP sensor and by driving the main motor ins
35. 29 1 N S 3 4 PMO WHIT CHUTCH SUB 29 1 N S 3 5 GEAR CLUTCH 39 1 N S 3 6 RING C 1 N S 3 7 GEAR IDLE 35 ADF 2 N S 3 8 GEAR 40 21 ADF 1 N S 3 9 GEAR SWING 31 20 ADF 1 N S 3 10 LINK M SWING ADF 1 N S 3 11 GEAR 58 25 ADF 1 N S 3 12 IMPELLER ADF 1 N S 3 13 GEAR REMOVE ADF 1 N S 3 14 WASHER PLAIN 1 N S 3 15 IPR WASHER WAVE 1 N S 3 16 WASHER PLAIN 2 N S 5 8 WorkCentre PE 120 1201 No Part Name and part description Qty Part number Remark 3 17 CBR HARNESS ADF GND 1 N S 3 18 RING E 6 N S 3 19 SCREW TAPTITE 3 3 20 WASHER PLAIN 1 N S 3 21 SPRING ETC 1 N S 4 MEA COVER PLATEN 1 4 1 COVER M PLATEN 4 IN 1 1 002N02342 4 2 SHEET WHITE SPONGE 1 019N00810 4 3 MEA TX STACKER ADF Feed Tray Assembly 1 050N00452 4 3 1 PMO TX STACKER 1 N S 4 3 2 PMO DOC GUIDE L 1 N S 4 3 3 GEAR PINION 1 N S 4 3 4 PMO DOC GUIDE R 1 N S 4 3 5 IPR WASHER SPRING CU 2 N S 4 4 SPRING ETC FEED 6 O09N01489 4 5 PMO ROLL PINCH 2 022N01511 4 6 ICT SHAFT PINCH SHAFT STACKER 1 006N01218 4 7 MEA UNIT HINGE 2 003NO00888 4 8 RPR ROLLER EXIT IDLE 2 022N02019 4 9 SHAFT IDLE FEED 2 006N01252 5 MEA UNIT COVER OPEN 1 002N02343 5 1 COVER M ADF OPEN 1 N S 5 2 PMO GUIDE PAPER 2 N S 5 3 DAMPER PICKUP ADF 1 N S 6 MEA UNIT PICKUP 1 130N01364 6 1 STOPPER M PICKUP ADF 1 N S 6 2 GEAR ADF 38 1 N S 6 3 RING C 1 N S Service Manual Parts List 8 9 Parts List 0 4 Control Panel OPE Assembly
36. 29 HOLDER PTL R2 1 N S 30 LENS PTL 1 062N00246 31 PMO BUSHING_TR L 1 016N00254 32 SPRING ETC TR L HAWK 1 N S 33 ROLLER FEED 1 022N01607 34 BUSH M TR L 1 016N00261 35 GROUND FUSER R2 1 N S 36 SHAFT FEED IDLE 1 N S 37 BUSH M FEED IDLE 2 N S 38 SPRING ETC TR 2 N S 39 GROUND DRIVE2 R2 1 N S 40 SPRING TS 1 N S 41 CAM M PICK UP 1 008N01738 42 GROUND DRIVE R2 1 6 16 WorkCentre PE 120 120i No Part Name and part description Qty Part number Remark 43 SOLENOID FEED R2 1 121N01077 44 SOLENOID HB MANUAL 1 700N00094 45 MEA UNIT GEAR PICKUP 1 007N01271 45 1 GEAR PICK UP B R2 1 N S 45 2 GEAR PICK UP A R2 1 N S 45 3 SPRING CS 1 N S 46 MEA UNIT BRACKET FEED 1 O30NO00690 46 1 BRACKET FEED R2 1 N S 46 2 GEAR Z35 IDLE 1 N S 47 MEA UNIT CLUTCH 1 022N01609 47 1 GEAR FEED 1 1 N S 47 2 PMO COLLAR SPRING 1 N S 47 3 SPRING TS 1 N S 47 4 PMO HUB CLUTCH 1 N S 47 5 SHAFT FEED 1 N S 48 ELA HOU FUSER 110V 1 126N00214 110V 48 ELA HOU FUSER 220V 1 126N00215 220V 49 PLATE PUSH BUSHING GUIDE P PAPER 2 038N00451 50 GEAR FEED 2 1 N S 51 GEAR IDLE 23 1 N S 52 SPRING TS 1 N S 53 SPRING TS 1 N S 54 IPR P TERMINAL DEVE KEY 3 N S 55 GROUND TERMINAL DEVE 1 N S 56 PBA SUB PTL 1 140N62945 58 HOLDER TERMINAL R2 1 N S 59 HOLDER ACT MANUAL R2 1 N S 61 HOLDER BEARING EXIT 2 019N0081 1 62 GEAR EXIT F DOWN 1 N S 63 ROLLER EXIT
37. 3 Product Summary 4 1 3 Control Panel Continued 5 Uses to scroll through the available options for the selected menu item Es Confirms the selection on the display Le Enters Menu mode and scrolls through the menus available Sends you back to the upper menu level Stops an operation at any time In Standby mode clears cancels the copy options such as the darkness the document type setting the copy size and the number of copies Star Starts a job B oum Dials a number or enters alphanumeric characters VEY 9000 D 9 G9 7 m Adjusts the resolution of the documents for the current fax job Fax Allows you to send a fax to multiple destinations Allows you to store frequently dialed fax numbers as one or two digit speed dial or group dial numbers for automatic dialing and edit the stored numbers Also allows you to print a Phonebook list In Standby mode redials the last number or in Edit mode inserts a pause into a fax number Manual Dial Engages the telephone line 8 Print rom Allows you to directly print files stored on a USB flash drive when it is inserted into the CD USB port in the front of your machine 9 _ Allows you to save on toner by using less toner to print a document Save Q Allows you to save on call costs by sending a fax at a preset toll saving time Using this Q feature you can take advantage of lower long distance rates at
38. 6 Cover Open Sensing The cover open actuator is located on the front cover and the sensor is on the main frame When the front cover is open the 24 V and 5 V supplies to the DC fan solenoid main motor polygon motor in the laser unit HVPS and laser diode are cut off The CPU monitors the cover open signal and reports an open state on the LCD 4 3 6 7 DC Fan Solenoid Driving Circuit A fan is driven by a transistor and controlled by a signal from the CPU FAN SMPS CON2 23 When the signal is high the fan is activated by turning on the transistor and is off when the system is in sleep mode There are two solenoids driven by the paper pick and MP signals The drive time 1s 300ms The diode protects the driving transistor from the back EMP pulse which is generated when the solenoid is de energized 4 3 6 8 Motor Driving Circuit The main motor drives the paper feed developing unit fuser and exit assembly The circuit 1s driven by software which controls the acceleration constant speed and deceleration profiles The Motor is driven using an A3977 driver IC 4 3 6 9 Transfer The charging voltage developing voltage and the transfer voltage are controlled by pulse width modulation PWM Each output voltage is changeable according to the PWM duty cycle The transfer voltage used when the paper passes the transfer roller is decided by environment recognition The resistance value of the transfer roller changes due to the environment of the
39. COVER M FRONT 1 N S 22 2 KNOB M LOCKER 1 N S 22 3 HOLER M LOCKER 1 N S Service Manual Parts List 8 3 Parts List No Part Name and part description Qty Part number Remark 22 4 TRAY M EXIT MP 1 N S 22 5 ADJUST M MPL 1 N S 22 6 ADJUST M MP R 1 N S 22 7 TRAY M COVER MP 1 N S 22 8 GEAR PINION 1 N S 22 9 TRAY M CASE MP 1 N S 22 10 TRAY M LINK MP 2 N S 22 11 SPRING CIS 2 1 N S 22 12 SCREW TAPTITE 2 N S 22 13 SCREW TAPTITE 1 N S 23 MEA UNIT COVER REAR 1 002N02338 23 MEA UNIT COVER REAR 3 IN 1 1 002N02339 23 1 COVER M REAR 1 N S 23 2 COVER FACE UP 1 N S 24 CBF HARNESS ENGINE 1 152N11574 25 CBF HARNESS MODULAR JACK 1 152N02000 26 ELA HOU FUSER 110 V 1 126N00233 110 V 26 ELA HOU FUSER 220 V 1 126N00232 220 V 27 FAN DC 1 127N07328 ELA TONER UNIT IMAGING UNIT 1 DEVELOPER 5 4 WorkCentre PE 120 1201 8 2 Main Drive Assembly Parts List Gu Lapp Main Drive Unit Assembly Parts List 8 2 No Part Name and part description Qty Part number Remark 0 ELA UNIT DRIVE 1 N S 1 BRACKET GEAR MAIN 1 N S 2 GEAR RDCN 53 26 1 N S 3 GEAR RDCN 113 33 1 N S 4 GEAR RDCN 57 18 2 N S 5 WASHER PLAIN 2 N S 6 BRACKET MOTOR MAIN R2 1 N S 7 GEAR RDCN 103 41 1 N S 8 GEAR RDCN 90 31 1 N S 9 MOTOR STEP MAIN 1 N S Service Manual 8 5 Parts List 8 3 ADF Assembly
40. Clear Stop Pressed The Stop Clear button has been pressed during a copy or fax operation Solution Try again Toner Empty Replace Toner The toner cartridge has run out The machine stops printing Solution Replace the toner cartridge with a new one Retry Redial The system is waiting for a specified time interval to redial a previously busy station Solution You can press Enter to immediately redial or Stop Clear to cancel the redial operation 6 18 WorkCentre PE 120 120 Troubleshooting r Troubleshooting 7 1 Paper Feed Problems 7 1 1 Wrong Print Position Printing begins at the wrong position on the paper Possible Cause Solution 1 Defective feed sensor a Replace the defective acutator sensor 7 1 2 Jam 0 Description Paper does not leave the tray Jam O occurs if the paper is fed into the printer Possible Cause Solution 1 Defective solenoid a Use Tech Mode to test the solenoid 2 Defective tray or bypass knock up plate and springs Replace the solenoid if defective 3 Defective or damage paper separator pad b Checkthe cassette or bypass tray knock up 4 Contaminated pick rollers plate Repair or replace as required c Clean the separator pad or replace as required d Replace the tray if defective e Clean the pick rollers Replace if defective f Ensure all rollers are
41. Contrast Image Reduce Enlarge Number of copies Special Copy N up Yes ADF only Collation Copy Yes ADF only AutoFit Copy Yes Platen only 2 sided Copy Yes Platen only Clone Yes Platen only Poster Yes Platen only 3 6 WorkCentre PE 120 1201 3 8 1 Telephone Specification Specifications Item Specification Handset No On hook dial Yes Search Yes phonebook 1 touch Dial 40 each 20 dedicated buttons plus shift Speed Dial 200 locations 00 99 including 1 touch dials TAD I F Yes Tone pulse Selectable in technical mode Pause Yes Auto Redial Yes Last Number Redial Yes Distinctive Ring Yes If available by local telephone service provider Caller ID No External Phone Interface Yes Report and List Print Out Tx Rx Journal Yes Confirmation Yes Help List No Auto Dial List Yes Sound Control Ring Volume Low Medium High OFF Key Sound ON or OFF Alarm Sound ON or OFF Speaker ON or OFF Service Manual 3 7 Specifications 3 9 Fax Specification Item Specification Compatibility ITU T G3 Communication System PSTN PABX Modem Speed 33 6 Kbps TX Speed 3 seconds Compression MH MR MMR JBIG JPEG Color Fax Yes Send only ECM Yes Resolution Standard 203 x 96 dpi Fine 203 x 196 dpi Super Fine 300 x 300 dpi Scan Speed Standard 2 5 sec Lir ADF Fine S Fine 5 sec Ltr Rx Fax
42. Document Jam appears on the display if a jam has occured while feeding paper through the ADF 6 2 1 1 ADF Misfeed 1 Open the top cover and gently pull the document gently to the right and out the ADF A AL Y a P 2 Close the ADF top cover and reload the document s Note To prevent ADF document jams use the platen for thick thin or mixed document media 6 2 1 2 ADF Exit Misfeed or ADF Roller Misfeed 1 Lift the document cover 2 Turn the release knob to remove misfeeds from the feed or exit area 3 Close the document cover and reload the documents 6 4 WorkCentre PE 120 1201 Alignment and Adjustments 6 2 2 Jam 0 Paper in the Feed Area 1 Open and close the front cover this causes the jammed paper to automatically exit the system 2 Ifthe paper does not exit the system open the paper tray and remove pulling the media straight out 3 Open and close the front cover to resume printing Note If there is too much resistance the paper does not move when pulling on it or if the paper is not visible go to Jam 1 fuser or toner cartridge jam 6 2 3 Jam 1 Paper in the Fuser Area or Around the Toner Cartridge Caution The fuser area is HOT Be careful when removing paper Open the front cover and remove the toner cartridge Remove the jammed paper by pulling it straight out 3 Replace the toner cartridge and close the front cover to continue printing Front Back
43. Duplex Print Out No Multiple Page Scan Speed Standard 14 ppm Ltr Heceive Mode Fax TEL Answer Fax DRPD Memory Capacity 4 MB Optional Memory Upgrade No Max locations to store 1 199 locations group dial Fax Forward Yes ON OFF Broadcasting up to 209 locations Cover Page Yes Delayed Fax Yes Memory RX Yes Functions Voice Request No TTI and RTI Yes Polling No Recall No Auto Reduction Yes Junk Fax Barrier Yes Secure Receive Yes Memory Back up Yes 43 hours maximum 3 6 WorkCentre PE 120 120i Product Summary 4 Product Summary This section describes the functions and operating principals of the systems main components 4 1 Printer Components Front View Document Guides Document Cover Automatic Document Document Feeder Input Tray Document Output Tray USB Flash Drive Port Document Glass Platen Control Panel z tudo SEI 7 Front Door G Extension TL Paper Level Indicators Paper Tray Tray 1 The figure above shows the WorkCentre PE120i Optional Paper MP Bypass Tray Tray 2 Tray Service Manual 4 1 Product Summary 4 1 2 Rear View Control Board Cover Network Port A WorkCentre IF PE120i Only e 7 f Parallel D Connector USB Connector Rear Output Slot Face Up Power Switc i AC Power Cord Connector Line Jack EXT Jack Tray 2 Cabl
44. F DOWN 1 022N02093 64 RMO RUBBER EXIT 4 N S 65 MEA RACK EXIT ROLLER 4 022N02081 65 1 PMO HOLDER EXIT ROLL 1 N S 65 2 PMO ROLLER FD F 1 N S 65 3 PMO ROLLER FD R 1 N S 65 4 SPRING ETC EXIT ROLL FD 1 N S 66 GUIDE SUB FRONT 1 N S 69 CBF HARNESS CRUM2 1 152N11576 68 PBA SUB CRUM 1 140N62946 70 PBA SUB EXIT SENSOR 1 130N01360 72 LABEL R HOT CAUTION KME 1 N S 73 BUSH M PICK UP L 1 N S 74 SHAFT P PICK UP 1 006N01254 75 STOPPER PICK UP R2 2 003N00945 76 PMO IDLE PICK UP 2 N S 77 BUSH M PICK UP R 1 N S 78 SHAFT CORE 2 006N01255 Service Manual Parts List 8 17 Parts List 8 8 Fuser Unit Assembly WorkCentre PE 120 120i 8 16 Fuser Assembly Parts List 8 8 No Part Name and part description Qty Part number Remark 0 ELA HOU FUSER 110V 1 126N00214 110V 0 ELA HOU FUSER 220V 1 126N00215 220V 1 COVER FUSER R2 1 2 HOLDER PLATE CLAW R2 4 3 SPRING ETC CLAW 4 4 PMO ROLLER EXIT 2 5 SPRING ETC FUSER EXIT 2 6 THERMOSTAT 150 1 7 PMO GEAR EXIT DRV16 1 8 GEAR IDLE 23 1 9 RING E 1 10 GEAR RDON 25 15 1 11 ROLLER HEATER 1 12 ELECTRODE LFET R2 1 13 THERMISTOR NTC 1 14 ELECTRODE RIGHT R2 1 15 CBF HARNESS FUSER 110V 1 WHITE CBF HARNESS FUSER 220V 1 BLACK 16 BUSH HR R R2 1 17 LABEL P CAUTION HOT FUSER 1 18 RMO RUBBER EXIT 2 19 ROLLER M EXIT F UP 1 20 ROLLER PRES
45. ION PAD 1 019N00742 23 SPRING ETC EXIT ROLL FD 2 N S 24 RPR PAD CASSETTE 1 N S 25 SPRING ES 2 N S 26 SHEET GUIDE PAPER R2 1 N S 27 SHAFT P CORE 2 N S 28 SHEET GUIDE MP 1 N S 29 SPRING CS 1 N S 30 SPRING ES 1 N S 31 PHOTO INTERRUPTER 1 N S Service Manual Parts List 8 21 Parts List 8 10 Tray 1 Cassette Unit Assembly WorkCentre PE 120 1201 8 22 Tray 1 Cassette Unit Assembly Parts List 8 10 No Part Name and part description Qty Part number Remark 0 MEA UNIT CASSETTE USA 1 1 FRAME M CASSETTE 1 N S 2 GUIDE M EXTENSION LARGE 1 N S 3 GUIDE EXTENSION SMALL 1 N S 4 PLATE P KNOCK UP 1 N S 5 SPRING CS 2 NS 6 MEA UNIT HOLDER PAD 1 N S 6 1 HOLDER M PAD 1 N S 6 2 SHEET HOLDERPADR2 1 NS 6 3 RPR FRICTION PAD 1 N S 6 4 IPR PLATE PAD 1 N S 7 SPRING ETC EXIT ROLL FD 1 N S 8 COVER SUB CASSETTE R2 1 N S 10 PMO PLATE LOCKER 1 N S 11 SPRING ETC LOCKER PLATE 1 N S 12 ADJUST M CASSETTE L 1 N S 13 ADJUST M CASSETTE R 1 N S 14 GEAR PINION 1 N S 15 RPR PAD CASSETTE 1 N S 16 CAM KNOCK UP 1 N S 17 INDICATOR CST PAPER 1 NS S Service Manual Parts List 8 23 Parts List 8 11 Tray 2 SCF Optional Cassette Unit Assembly 8 24 WorkCentre PE 120 120i Tray 2 SCF Optional Cassette Assembly Parts Li
46. Modem Entire FM336 314 Family External Handset Support not implemented on SCX4720F Requires Discrete Line Interface Unit LIU V 34 Half Duplex Mode V 90 PCM V 34 Duplex Data Modes RTS XTLI lt p XTLO Crystal Eo AM j OR CLKIN q Oscillator V24 Interface E ooo RDCLK TXA1 lelepnane _ line TXA2 ue DH RING y Interface gt RINGD TALK a FM336 Modem EYEXY es EMEND Optional a Eye Pattern Generator SPKR Speaker Amplifier SV 4 3 3V ee oof lt AGND Power Supply DGND 4 Host RS 4 0 Processor RESET 4 20 WorkCentre PE 120 120i Product Summary 4 8 2 LIU PBA The LIU board is the Line Interface Unit It consists of a Tel line Interface circuit and Telephone circuit The Tel Line circuit consists of a matching transfer to conform to the impedance of the receiving telephone line and a circuit to isolate the fax machine from the PSTN and a surge absorber to protect against lighting strike surges on the incoming line The Telephone circuit consists of a ring detection circuit speech circuit external hook detection circuit and recall circuit TRANS MATCHING T1 TRANS MATCHING T2 RELAY REI VARISTOR VARI VAR2 JACK MODULAR TEL MJ1 JACK MODULAR EXT MJ2 El LS Du 4 8 3 Tel Line Connection Circuit m The Tel Line Connection Circuit connects the fax machine to the PSTN using T
47. OS SR a E RETE EROR EM 7 13 9 GROSSE dis sido ink aces oret usb ca ale te du aide eue 7 13 7 3 13 Stains on the Front of the Page 7 13 7 3 14 Stains on the Back of the Page 7 14 RAS Blank Pave IS Printed 222 2d p b pe Rs bu epe 7 14 49 10 Blank Pace is Printed 2 a uie dex Nep e ae Ae en os es 7 14 Pak ane Phone Problems saa deo ood Gaede peret de hee ede heed heed ote t 7 15 Ta AINO Dial FONE es S na Se LEER m OR Rm bac a al bec en be s 7 15 LAZ Derective ME Dial n2 angie his uv be RR eee EET S evenisse oe 7 15 7 4 3 Defective FAX FORWARD RECEIVE 7 16 7 4 4 Defective FAX FORWARD iz bibere AERE CR ede tes 7 16 74 Detective PAX RECEIVE Linie she asian as 7 16 1 40 Detective PAX RECEIVE 2 martor e enra ERR A use 7 16 Te Detective PAX RECEIVE 2A RS mH TIS n leat ae 7 17 174 8 Defective FAX RECEIVE 4 ced toS td doe te dc C P x 7 17 7 4 9 Defective Automatic Receiving 7 17 T COPY PIDIE s ac tongues bea RIEN REESE dA an ba ai asd uu qu at gu 7 18 Teo d WMC COPIES bt ido iret sd al urat de ata d edt Ge dte 7 18 To 2 4 Blacke COPIES sianie doe death oca dus dcn Ars aia e bcn aud nd ar qo 7 18 13 3 ADNOHNALNOISE 78 Tunisie TED Ee ae SV fete Pesce ati pons 7 18 7 5 4 Defective Image Quality 2e Sd oed ded CIS exe ud e ades 7 18 1 0 Scannins Problemo ooo dt kato hee de Reo LEVER bee er No ees PEN IE 7 19 7 OA2C SCannine
48. SCAN DUMMY Constant Velocity CVT 1 002N02354 Window Assembly 1 3 1 COVER M SCAN DUMMY 1 N S 1 3 2 MCT GLASS ADG 1 N S 1 3 3 TAPE DOUBLE FACE 1 N S 1 3 4 LABEL P SHADING 1 N S 1 4 IPR HOLDER GLASS 2 N S 1 5 SCREW TAPPING 2 N S 2 ELA HOU SCAN LOWER 1 002N02345 2 1 COVER SCAN LOWER 1 N S 2 2 ELA HOU CCD MODULE 1 002N02346 2 3 CBF SIGNAL CCD FFC Scanner Ribbon 1 117N01665 Cable 2 4 ICT INSERT SHAFT 1 N S 2 5 ICT SHAFT CCD 1 N S 2 6 PMO HOLER BELT 1 N S 2 7 PMO PULLEY 1 N S 2 8 ELA UNIT CORE 3 N S 2 9 SPRING ETC BELT 1 N S 2 10 BELT TIMING GEAR 1 109N00542 2 11 PMO LEVER SENSOR 1 011N00473 2 12 PHOTO INTERRUPTER 1 130N01274 2 13 SPRING CS 1 N S 2 14 HOLDER CCD 1 N S 2 15 ELA HOU SCAN MOTOR 1 101N01345 2 15 1 BRACKET SCAN MOTOR 1 N S 2 15 2 MOTOR STEP SCAN 1 N S 2 15 3 GEAR REDUCTION 1 N S 2 15 4 GEAR IDLE 1 N S 2 15 5 GEAR TIMING 1 N S 2 15 6 PMO HOLDER BELT 1 N S 2 15 7 RING E 1 N S 2 16 CBF HARNESS PLATEN 1 N S Service Manual Parts List 8 13 Parts List 8 6 Middle Cover Assembly Middle Cover Assembly Parts List 8 6 No Part Name and part description Qty Part number Remark 0 ELA HOU COVER MIDDLE 1 N S 1 COVER M MIDDLE 1 N S 2 COVER REAR UPPER 1 N S 3 PMO STACKER RX 1 N S 4 BUSH F DOWN 1 N S 5 CBF HARNESS OPE 1 152N11575 6 PBA SUB USB HOST 1 140N62944 8 14 WorkCentre PE 120 120i Parts List 8 7 Frame Assembly
49. SURE 1 21 BEARING PRESSURE R 2 22 SPRING CS 2 23 PMO BUSHING TX 3 24 HOLDER ACTUATOR 1 25 PMO ACTUATOR EXIT R2 1 120N00445 26 FRAME FUSER R2 1 27 GUIDE INPUT R2 1 28 SPRING TS 1 29 NUT HEXAGON 5 30 BUSH HR L R2 1 31 PLATE P CLAW 4 32 GEAR FUSER R2 1 33 LAMP HALOGEN 110V 1 122N00231 110V 33 LAMP HALOGEN 220V 1 122N00229 220V 34 LABEL R HV FUSER 1 35 SCREW TAPTIEE 1 36 SCREW ASS Y MACH 6 37 SCREW TAPTIEE 6 38 BRUSH ANTISTAIC 1 Service Manual Parts List 8 19 Parts List 8 9 MP Assembly 8 20 WorkCentre PE 120 120i MP Assembly Parts List 8 9 No Part Name and part description Qty Part number Remark 0 ELA UNIT MP 1 022N02085 1 FRAME 17 MP 1 N S 2 SOLENOID MP 1 121N01078 3 CBF HARNESS MPF SEN 1 N S 4 BUSH M PICK UP R 1 N S 5 MEA UNIT PICK UP MP 1 130N01366 5 1 HOUSING M PICK UP2 R2 1 N S 5 2 HOUSING M PICK UP2 R2 1 N S 5 3 SPONGE ROLLER PICK UP 1 N S 6 STOPPER M PICK UP R2 2 N S 7 HOLDER M PAD MP 1 N S 9 HOLDER M SENSOR MP 1 N S 10 PLATE P KNOCK UP MP 1 N S 11 BRACKET P PICK UP MP 1 N S 12 GEAR IDLE 23 1 N S 13 SHAFT P PICK UP 1 N S 14 ROLLER M IDLE FEED 2 N S 15 GEAR M PICK UP MP 1 N S 16 GEAR M HOLDER MP 1 N S 17 CAM M PICK UP MP 1 N S 18 PMO ROLLER CAM MP 1 N S 19 PMO IDLE PICK UP 2 N S 20 PMO M ACT EMPTY MP Switch Actuator for 1 120N00454 MPT Tray 21 RPR FRICT
50. Save mode off 2 The developer roller is b Replace the toner cartridge and re test contaminated or the toner cartridge c Cycle power to the printer and wait is almost empty 30 minutes then try printing again 3 e ambient temperature is below d Clean the cartridge and printer contacts 10 C e Clean the inside of the printer 4 Bad contact caused by dirty f terminals on the toner cartridge or inside the printer Replace the HVPS if none of the above procedures fix the problem 5 Abnormal output voltage from the HVPS Service Manual 7 9 Troubleshooting 7 3 6 Dark Image or Completely Black Print Example Possible Cause Sequence of Repair Actions The printed image is dark or the page is entirely black 1 Charge voltage fault due to bad contact between the toner cartridge and printer contacts No charge voltage in the engine board VDO signal on the main board is in a LOW state Clean the high voltage contact terminals Check the state of the connector between the main board and the HVPS Replace the HVPS d Replace the laser unit e Replace the main board 7 3 7 Uneven Density Example Possible Cause Sequence of Repair Actions Print density is uneven from left to right 1 The toner level is not even on the Remove the toner cartridge and gently toner cartridge roller due to a shake it to loosen toner Digi
51. Sequence of Repair Actions Ghosting occurs at 47 mm intervals 1 The temperature of the fuser is too a Replace the fuser high Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 7 12 WorkCentre PE 120 120i 7 3 12 Ghosting 4 Troubleshooting Example Possible Cause Sequence of Repair Actions White ghosting occurs every 32 mm on a black image 1 The life of the toner cartridge may be expired 2 Abnormal output from the HVPS Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer a Replace the toner cartridge b Check the HVPS supply voltage c Clean all high voltage terminals on the d Replace the HVPS cartridge and in the printer 7 3 13 Contamination on the Front of the Page Example Possible Cause Sequence of Repair Actions There is contamination on the front side of the printed page toner speckles 1 Tonerleakage due to an improperly 6 sealed toner cartridge DigitakPrinter 2 The charge roller may be Digital Print contaminated DigitakPrinter DigitakPrint r Digital Printer a Run the PC cleaning mode print 2 to 3 times and perform the self test 2 to 3 times to remove contamination b Replace the toner cartridge 7 3 14 Contamination on the Back of the Page Example Possible Cause Sequence of Repair Actions The bac
52. WorkCentre PE120 120i THE DOCUMENT COMPANY XEROX WorkCentre PE120 120i Service Manual Warning The following servicing instructions are for use by qualified service personnel only To avoid personal injury do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so First Printing September 2004 071 0874 00 Copyright 2004 Xerox Corporation All Rights Reserved Unpublished rights reserved under the copyright laws of the United States Contents of this publication may not be reproduced in any form without permission of Xerox Corporation Copyright protection claimed includes all forms of matters of copyrightable materials and information now allowed by statutory or judicial law or hereinafter granted including without limitation material generated from the software programs which are displayed on the screen such as styles templates icons screen displays looks etc XEROX The Document Company the digital X ControlCentre and WorkCentre are trademarks of Xerox Corporation in the United States and or other countries Adobe Acrobat Reader and PostScript 3 are trademarks of Adobe Systems Incorporated in the United States and or other countries Apple AppleTalk EtherTalk LaserWriter LocalTalk Macintosh Mac OS and TrueType are trademarks of Apple Computer Inc in the United States and or other countries UFST a
53. abbreviations used in this manual and a clearance required specification when installing the WorkCentre PE120 1201 2 1 Tools for Troubleshooting the system The following tools are recommended for safe and easy troubleshooting as described in this service manual m Digital Voltage Meter DVM Screwdrivers Tweezers Cotton swabs Cleaning equipment dry lint free cloth and or mild detergent Type II Toner Vacuum Soft bristle brush Service Manual 2 1 Reference Information 2 2 Common Acronyms and Abbreviations The following table covers the acronyms and abbreviations that may be used in this manual Definition Definition AC Alternating Current EP Electro Photographic ADC Analog to Digital Converter EPP Enhanced Parallel Port AP Access Point FAN Firmware ASIC Application Specific Integrated Circuit FCF FCT Tray 1 or First Cassette Feeder Ass y Assembly FIFO First In First Out or Front In Front Out BIOS Basic Input Output Sytem FISO Front In Side Out BLDC Motor Brushless Dc Motor FPOT First Print Out Time CMOS Complementary Metal Oxide GDI Graphic Device Interface Semiconductor GIF Graphic Interchange Format GND Ground CN or CON Connector HBP Host Based Printing CPU Central Processing Unit HDD Hard Disk Drive CRUM Customer Replaceable Unit Memory HTML Hyper Text Markup Language dB Decibel HV High Voltage dBA A Weighted Decibel HVPS High Voltage Pow
54. ase the tension on the belt The belt should and lift the belt from the pulley still be attached to the scan module 9 Unclip the scan upper from the scan assembly by releasing 2 clips on each side then pull the scan upper straight up to remove jo O Q D c o o WorkCentre PE 120 120i 5 6 13 Remove the reduction gear and idle gear amp Gear Reduction Gear Timing 53 IN An Al MAR ES Ae 3 eC YES BN ied di ES LS nu NS LT Caution When reassembling the scanner module Place the belt tension spring as close to the right side of the scanner as possible When refitting the scan upper cover take care to ensure that the cover open switch 1s not trapped 14 Remove 3 screws from the motor bracket and remove the motor Motor Bracket Service Manual 16 Unlatch the open sensor and remove Disassembly 15 Unplug the connector from the open sensor Open Sensor Disassembly 5 6 ADF Motor Assembly PL 8 3 3 3 Remove the open cover 1 First remove a Rearcover see page 5 2 Open Cover b Left side cover see page 5 3 Note It is not necessary to disassembly the ADF to replace the separator pad simply open the cover and remove the pick up assembly 1 Unclip the harness from the platen cover and remove 2 screws securing the ADF assembly 2 Lift up on the ADF assembly and thread the har
55. at and cause a fire or exposed cables can cause electrical shock Replace a damaged power cable immediately do not reuse or repair the damaged cable Some chemicals can eat through the coating on the power cable weakening the cover or exposing cables causing fire and shock risks Ensure that the power sockets and plugs are not cracked or broken in any way Any defects should be repaired or replaced immediately Take care not to cut or damage the power cable or plugs when moving the system Use caution during thunder or lightening storms Xerox recommends that this system be disconnected from the power source when these weather conditions are present Do not touch the system or the power cord if it 1s still connected to the wall socket in these weather conditions Avoid damp or dusty areas install the system in a clean well ventilated location Do not position the system near a humidifier Damp and dust build up inside the system can lead to overheating and cause a fire Do not position the system in direct sunlight This will cause the temperature inside the system to rise leading to the system failing to work properly and in extreme conditions could lead to a fire Do not insert any metal objects into the system through the ventilator fan or other parts of the casing it could come into contact with a high voltage conductor inside the system and cause an electric shock WorkCentre PE 120 120i Precautions 1 2 3 Handling Precautions The fo
56. aulty c Replace the main board 7 2 9 No Power Description When the printer is powered ON the LEDs on the control panel do not come on Possible Cause Sequence of Repair Actions 1 The SMPS or power input are faulty a Replace the power supply cable 2 Control panel doesn t come on but other normal start up b Checkthe power fuse on the SMPS replace sounds are heard the SMPS if necessary 3 After replacing the SMPS the lamps do not come on and c Checkthe control panel wiring Replace the no start up sounds are heard harness or control panel if faulty d Replace the main board 7 2 10 Printed Vertical Lines Become Curved Description When printing the vertical lines are not straight Possible Cause Sequence of Repair Actions 1 The 24 V supply to the laser unit is faulty a Use the DCU test 05 to test the laser motor b If the voltage is stable replace the laser unit c If the voltage is not 24 volts replace the SMPS d Replace the main board Service Manual 7 7 Troubleshooting 7 3 Print Quality Problems 7 3 1 Wrong Print Position Example Possible Cause Sequence of Repair Actions Printing begins with the paper in the wrong position 1 Defective feed sensor a Replace the defective actuator 7 3 2 Vertical White Lines Example Possible Cause Sequence of Repair Actions There are white vertical voids in the printed image
57. ax machine can receive If you can hear noise on the line replace the telephone line Try faxing to another machine from this system Replace the LIU Replace the main board Description Receive data is lengthened or cut off during printing Possible Cause Sequence of Repair Actions dial and listening 1 Check for NOISE on the line by pressing the On Hook If you can hear noise on the line replace the telephone line b Try receiving a fax from another machine Replace the LIU Replace the main board 7 16 WorkCentre PE 120 120 Troubleshooting 7 4 7 Defective FAX RECEIVE 3 Description The phone is ringing continuosly but the system will not answer the call Possible Cause Sequence of Repair Actions 1 Verify Receive mode is set to FAX mode a Replace the LIU b Replace the main board 7 4 8 Defective FAX RECEIVE 4 Description Received data is reduced by more than 50 while printing Possible Cause Sequence of Repair Actions 1 Check the settings from the machine sending the fax a Correct the problem on the sending machine first b Replace the main board 7 4 9 Defective Automatic Receiving Description The automatic receiving function is not working Possible Cause Sequence of Repair Actions 1 Verify that Receive mode is set to FAX mode a Ilf receive mode is set to TEL mode rese to FAX mode
58. connection or communication between the printer port and computer is incorrect b Verify the cable is properly connected and configured for printing Make sure the CMOS settings are correctly set For the printer port m Select ECP which supports 12 bit data transfer or SPP which supports 8 bit data transfer Service Manual 7 21 Troubleshooting 7 8 3 SPOOL Error Simultaneous Peripheral Operations Online SPOOL is the process Windows uses to manage print jobs Jobs are processed and then stored on the hard disk until the printer is ready to accept them 1 Insufficient space on the hard disk in the directory assigned for the basic spool a Delete any unnecessary files to provide more space for spool storage If previous printing errors were not solved a There may be files from previous failed print jobs on the hard disk with the name in the form jnl Delete these files and reboot Windows to restart the printer There may be a conflict with other drivers or programs a Shut down all other programs except the current one if possible When an application program or the printer driver is damaged a Delete the printer driver completely and reinstall it When some files related to the OS are damaged or virus infected a After rebooting the computer check for viruses restore the damaged files and reinstall the application program which is not working properly Computer memory is insufficient to support printing a Ad
59. ct a doctor immediately 1 2 2 Electric Shock and Fire Safety Precautions Failure to use the following instructions can cause electric shock or potentially cause a fire 1 2 10 11 12 1 2 Use only the correct voltage failure to do so could damage the system and potentially cause a fire or electric shock Use only the power cable supplied with the system Use of an incorrectly specified cable could cause the cable to overheat and potentially cause a fire hazard Do not overload the power socket this can lead to overheating of the cables inside the wall and could lead to a fire hazard Do not allow water or other liquids to spill into the system this can cause electric shock Do not allow paper clips pins or other foreign objects to fall into the system as these could cause a short circuit leading to electric shock or fire hazard Never touch the plugs on either end of the power cable with wet hands this can cause electric shock When servicing the system remove the power plug from the wall socket Use caution when inserting or removing the power connector The power connector must be inserted completely otherwise poor contact could cause overheating possibly leading to a fire When removing the power connector grip it firmly and pull Do not allow the power cable to become twisted bent sharply around corners or become damaged Do not place objects on top of the power cable If the power cable is damaged it can overhe
60. d GOO Sh Zld GOO vi SH Id G90 l Ol ld doo Ll OL 6 GNOG OZZL 9LZH DOA 499 9 HO Q99 v 8OA G99 zZ QN9G 8 Z S e L axXL 3aO lSH 3qOu ax4 340 AS GNOC HUN AOS 13d d DJd d SOd d HOSN3S HOLON dav H3AIud HOLONW Jav YOLOW NALV 143 AINGOW G99 ASt QNo z uosNas HdJAOO ld I H3JAOO NALV 14 aN X 9l J1ndOW d21 pa ddO 10 1 Service Manual Connection Diagram 10 2 WorkCentre PE 120 1201 071 0874 00
61. d and Exit Board 5 12 SMELL 5 13 2 12 USER ASSEM u s uu oe docet ira hues os iud Bone ud EA u eid rand rd ard dodo cad 5 14 ROSE PET eee EE ES es 5 4 Heat Roller and Halogen Lamp 5 14 Guide and Puser COVED uses dass das RR xe a 5 14 icn cnA or coco io oe 5 15 A TOT TA TITEL 5 15 5 14 Laser Scanner Unit SU 4444 ee RR RR RR ev 5 16 S4 E RUNI BOSIUSS oo ersed rure s rue xu yq S d Ead debct dud a uae da v a quede 5 16 5 16 Drive Assembly 5 222 hmm oidavehe sade teens eb wes eed ew ad 5 17 Table of Contents ii 5 17 Cover Mid Froni 5 222 e riri 22 li UR RU EREDISSC EOD ue Ee E 655064 000845 5 17 5 18 Transfer Assembly 22s ever dead D8 6046s Eid den d d ER LESER 5 18 2 19 Deed Assem y osa aces Soe dca S IUS SUPEREST A ERU RUNE Segue ee 5 18 S20 Pick UD ASSCMONY a 22 2 2e ba turo d ch 494 med 94335 ef459 5766 dis tolo ous 5 20 MP or Main Cassette Pick Rollers 5 2 Alignment and Adjustments 61 Paper Pah Da a Bo ds de E 6 1 6 1 2 Copy and Scan Paper Path 2 2 442400 404 e RR ERR ex RR 6 2 60 1 5 Printer Paper Pati 2a aces se d eire cx una gras a ue gre aed 6 2 6 2 Tears Paver Jains usus au ose eee ope VS TE 6 3 6 2 1 learmg ADF TMS a nee rassure E LEE e 6 4 6 2 1 1 ADF Misfeed 6 4 6 2 1 2 ADF Exit Misfeed or ADF Roller Misfeed 6 4 6 2 2 Jam 0 Paper in th
62. d up more memory to the PC How to delete the data in the spool manager 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 delete in the menu If the job you are deleting is the current job any job data that has already been transferred to the printer s memory will still be printed If there is a problem with the printer out of toner offline out of paper etc the job may take a long time to delete as it must wait for a time out 7 9 Networking Problems See the User Guide FE WorkCentre PE 120 120i a Parts List Contents 8 1 Main Assembly 6 2 Main Drive Assembly 8 3 ADF Assembly 6 4 Control Panel OPE Assembly 8 5 Scanner Assembly 8 6 Middle Cover Assembly 8 7 Frame Assembly 6 8 Fuser Unit Assembly 8 9 MP Assembly 8 10 Tray 1 Cassette Unit Assembly 8 11 Tray 2 SCF Optional Cassette Unit Assembly Service Manual Parts List 8 1 Parts List 8 1 Main Assembly 5 2 WorkCentre PE 120 120i Main Assembly Parts List 8 1 No Part Name and part description Qty Part number Remark 0 WorkCentre PE120 120i
63. de is damaged m The heat roller or pressure roller is contaminated with toner 7 2 WorkCentre PE 120 120i Troubleshooting 7 2 5 Multiple Pick Description Multiple sheets of paper are picked from the tray at the same time Possible Cause Solution 1 The paper guides are set incorrectly a Adjust the guides so they fit snuggly against 2 The paper has a rough surface the paper in the tray 3 The friction pad is damaged or contaminated b Make sure the paper size selected in the oe print driver is the same as the paper in the 4 The solenoid is not functioning properly tray c Use the appropriate supported paper type for this printer Try a paper with a smoother surface d Clean the friction pad or replace if damaged e Replace the solenoid 7 2 6 Paper Rolled in the Fuser Description There is an accordian jam in the fuser Possible Cause Solution 1 The pressure roller or heat roller is damaged or not a Replace the fuser functioning properly 2 The paper guides or springs are damaged 7 2 7 Paper Rolled in the OPC Drum Description Paper is caught or rolled up in the OPC Possible Cause Solution 1 The paper is too thin a Use the appropriate supported paper type 2 The paper is curled for this printer b Load a fresh ream of paper NOTE To remove paper rolled up in the OPC m Remove the toner cartridge from the printer ta
64. dial attempts Solution Try again Verify the number to make sure a fax can be received No Not Assigned The speed dial location used has no number assigned to it Solution Dial the number manually using the number keypad or assign the number 6 16 WorkCentre PE 120 120 Alignment and Adjustments No Not Available The user tried to delete the number for a delayed fax job Solution Verify the number to be deleted and try again Or Delete the number after the delayed fax job is completed or deleted No Paper Add Paper The paper in the paper tray has run out Solution Load paper in the paper tray Operation Not Assigned The user is performing an Add Cancel operation but there are no jobs waiting Solution Check the display to see if there are any scheduled jobs The display should indicate if any scheduled jobs are in Standby mode for example Delay Fax Paper Jam 0 Open Close Door Paper has jammed in the feeding area of the paper tray Solution Clear the jam Paper Jam 2 Check Inside Paper has jammed in the paper exit area Solution Clear the jam Power Failure The power has been turned off and then on and the printer s memory has not been saved Solution The printer s memory was not saved due to a power failure The job will need to be started over Registered The group dial location is already registered with another speed dial number Solution Select another group dial location Retry R
65. ds this information into the main processor 4 6 WorkCentre PE 120 120i Product Summary If the heat lamp becomes too hot the thermostat cuts off the power to the lamp in order to prevent overheating and any potential fire hazard is removed 4 2 6 2 Heat Roller The heat roller transfers the heat from the heat lamp to the paper The surface of the heat roller is coated with Teflon so that toner does not stick to the surface 4 2 6 3 Pressure Roller A pressure roller mounted under the heat roller is made of a silicon resin and the surface is also coated with Teflon When paper passes between the heat roller and the pressure roller the toner powder is melted and permanently fixed to the surface of the paper 4 2 6 4 Safety Features To prevent overheating m Ist protection device Hardware cuts off when overheated m 2nd protection device Software cuts off when overheated B 3rd protection device Thermostat cuts off main power to the lamp Safety device m Fuser power is cut off when the front cover is opened B Laser power is cut off when the front cover is opened m The temperature of the fuser cover s surface is maintained at less than 80 C to protect the user A caution label 1s attached where the customer can see it easily when the rear cover 1s opened 4 2 7 Laser Scanner Unit LSU This 1s the core of the laser printer It converts the video data received from the computer into an electrostatic latent image on the
66. e DEV The developing voltage develops toner on the section of the OPC drum surface exposed by the LSU When printing the exposed voltage on the OPC is 180V unexposed is 900 1000V and the exposing voltage on the DEV is 430V Therefore toner with polarity is developed onto an exposed section of the OPC B Output Voltage 430V DC 20V m Error Indicators a If DEV is GND print density gets extremely low b When DEV is floating due to a poor connection between the frame and cartridge contacts print density is too high 5 Supply The supply voltage supplies toner to the developing roller Output voltage 580V DC 50V Use ZENER DEV Gear m Error Indicators a When SUP is GND print density gets extremely low b If SUP is floating due to a poor connection between the frame and cartridge contacts density is extremely low printing blank or very light prints 6 OPC Ground ZENER Voltage 4 16 The OPC ground voltage prevents image contamination under low temperature and low humidity environmental conditions When the system prints without an output voltage 130V DC x 15V is maintained on the OPC ground 103V ZENER diode is connected to the OPC ground m Error Indicators a When the ZENER diode is at 0 V image problems in the proper environment generally do not occur but in low temperatures and low humidity environments it is possible that contamination can occur on the entire printed image b When the ZENER d
67. e Connector The figure above shows the WorkCentre PE120i 4 2 WorkCentre PE 120 120i Product Summary 7 9 COPY FEATURES WORKCENTRE PE120i FAX FEATURES Light 6 Lighten Darken No of Copies Resolution Broadcast Normal 6 Dark 6 More Features Reduce Enlarge 8 2 5 4 1 3 Control Panel 1 Allows you to store frequently dialed fax numbers and dial them with the touch of a few SSSSS buttons 56666 566654 TTT eu Allows you to shift the one touch buttons to the numbers 21 through 40 eu 2 Allows you to access a list of your PC software programs that an image can be scanned Scan to You must create the scan list using the Xerox software ControlCentre provided with Scanto this machine Also allows you to scan and save documents in a USB flash drive and manage it when it is inserted into the USB port of your machine See Chapter 10 Installing a USB Flash Drive 3 one Adjusts the density of the documents for the current copy job Copy Selects the document type for the current copy job Selects the number of copies Allows you to use special copy features such as Clone Collation Auto Fit 2 Sides on 1 Q page 2 4 Up multiple pages on a sheet and Poster Copying Makes a copy smaller or larger than the original 4 Displays the current status and prompts during an operation Turns on when the toner cartridge is empty Service Manual 4
68. e Feed Area 6 5 6 2 3 Jam Paper in the Fuser Area or Around the Toner Cartridge 6 5 6 2 4 Jam 2 Paper in the Exit Atea iia ocekadbewna soie epp xu dei 6 6 6 2 5 MP Tray Jam Paper in the Bypass Tray 6 6 6 3 Control Panel Menu o iam 2e 6 7 QM uui Lm 6 8 6 4 1 Entering Tech Mode 6 8 o2 Tech Mode MENU uosacudacmd erus S ei et ehe ELE EE Ud eee ER ENS 6 8 od Data Le AU 6 8 OA Machine Tesi ooo 3c t arg AMCAHRUS ROS ESE E E UE vow EDE oes 6 10 OAS REPON da ee oo 6 10 Oo Engine Tet NOH aire m3 maro dar bert d dro anien dod bab Ro dud UP PE S Par e Quel 6 11 6 5 1 Entering Engine Test Mode 6 11 6 5 3 Detailed Description Engine Test Mode 6 12 6 5 ES OA RE 6 13 6 8 Periodic Defective Image or Abnormal Printing 6 14 OI Pitot MIS m ISTE TEE VE OPEN NEN dU MES 6 15 Troubleshooting Jl Paper Peed Problems 5 4 nc dro oe Ea Bb dier e mec cote 7 1 7 1 1 Wrong Print Position 1 7 1 RO a D ue 7 1 SO Wa eee dane fae eee oe eae eee oe oe ees oe ee eee oe eee 7 2 E A EE 7 2 T23 NMI DIC PR ee IDEE 7 3 71 2 6 Paper Rolled tu the FUSSEN 2 44 4e ode cnseseaddasegaddas 7 3 7 2 7 Paper Rolled in the OPC Drum 7 3 ye Spe e Up rr 7 4 Table of Contents iii 1
69. e main board 7 2 6 Cover Open Possible Cause Description A cover open message is displayed even though the cover is closed Sequence of Repair Actions 1 The interlock may be stuck or faulty 2 he interlock tab on the front cover may be damaged 3 The sensor switch on the main board may be defective a Use Tech Mode to run the Cover Sensor Test to check the cover switch operation b Replace the interlock switch if faulty c Replace the front cover d Replace the main board 7 2 7 No Error Message when the Cover is Open Description The front cover is open but nothing is reported on the display Possible Cause 1 The interlock may be stuck or damaged 2 he control panel LED may be faulty 3 The sensor switch on the main board may be faulty Sequence of Repair Actions a Use Tech Mode to run the Cover Sensor Test to check the cover switch operation Replace the interlock if faulty Replace the front cover Replace the cabling or control panel e295 Replace the main board 7 6 WorkCentre PE 120 120i Troubleshooting 7 2 8 Defective Motor Operation Description The main motor is faulty and paper does not feed into the printer resulting in a Jamo Possible Cause Sequence of Repair Actions 1 The main motor harness or motor board may be faulty a Check motor operation 2 he main board may be faulty b Replace the motor or harness if f
70. e page 5 2 b Side cover see page 5 3 c Controller shield see page 5 11 2 Remove 5 screws securing the drive assembly Caution The 6 screw holes have numbers stamped into the base plate when reinstalling the drive assembly the screws must be tightened in the order they are numbered Screw 6 1s fitted with the controller shield 5 17 Cover Mid Front PL 8 1 19 1 First remove a Rear cover see page 5 2 b Side cover see page 5 3 C Middle cover see page 5 10 2 Remove 4 screws securing the cover mid front and release 2 clips from the center as shown Service Manual 5 17 Disassembly 5 18 Transfer Assembly Note 3 Unlatch the bushing and remove Lift the transfer roller out as shown en Q e 3 e v E D ON ON S ou ec E E N e 2 o ESEAS n a oor c mn gt o V3 ON w o 5 9 D m CE eb o SO amp O AY X D Q um o a ega D 92EBE25 89 ug ENSE US E P d 5 pi OH d 2 9 5 B a E wj d 0 oo gt o 8g vov as OG amp o Ho 2 g z we Sg Eg V D 998893545 e PS Cas VE Es S s un v EM E 9 uau E nm D o A cold ov Ow B a a oH N Experienced technicans may be able to remove the transfer roller by performing step 2 only 5 19 Feed Assembly 2 Remove 4 screws securing the guide paper front PL 8 1 15 First remove 1 a Rear cover see
71. edial The multi function printer is waiting for a specified time interval to redial a previously busy station Solution You can press lt Select gt to immediately redial or lt Cancel gt to cancel the redial operation Toner Low The toner is almost empty Solution Take out the toner cartridge and gently shake it By doing this you can temporarily reestablish printing operations Or Replace the toner cartridge with a new one for the best print quality Priority Fax Function Full The priority fax job queue is full Solution Cancel any unnecessary priority fax jobs Service Manual 6 17 Alignment and Adjustments Incompatible The remote machine did not have the requested feature such as a sending a color fax This message also occurs if the remote machine does not have enough memory space to complete the operation you are attempting Solution Reconfirm the remote machine s features Jam 1 or No Cartridge Paper has jammed in the paper exit area Or the toner cartridge is not installed Solution Clear the jam Or install the toner cartridge Line Busy The receiving party did not answer or the line 1s already engaged Solution Try again after a few minutes Load Document The user attempted to set up a copy or fax operation with no document loaded into the ADF Solution Load a document into the ADF and try again Scanner Locked The scanner module 1s locked Solution Unlock the scanner and press Stop
72. eft and right side covers see page 5 3 C Scanner assembly see page 5 4 2 Remove 4 screws securing the middle cover Dad ASi 3 Remove 2 screws securing the controller shield to step 2 Unclip the middle see 5 9 the middle cover be sure and release the shield then lift the cover off cover from the frame assembly locator pegs Middle Cover WorkCentre PE 120 120 5 10 Disassembly 5 9 Controller Shield Assembly PL 8 1 7 1 First remove a Rear cover see page 5 2 b Right side cover see page 5 3 2 Remove all the connectors and 5 screws Remove the shield 3 Remove the network card if equiped 2 screws 4 Remove 3 screws to remove the bracket from the main board Service Manual 5 1 Disassembly 5 10 Engine Shield and Exit Board 3 Remove 11 screws securing the engine shield and PL 8 1 10 tilt to one side First remove 1 4 Unplug all the HVPS and SMPS harnesses 2 see page 5 b Left and right side covers a Rear cover 3 see page 5 and fan connectors 2 Unplug the exit AC LIU Exit Connector Main Connector AC Connector Fan Connector 5 Remove 2 screws to remove the exit board Exit Board WorkCentre PE 120 120i
73. embly PL 8 5 2 Remove 2 screws securing the scanner assembly 1 First remove a b 5 4 Rear cover see page 5 2 Side covers see page 5 3 To replace the OPE Control Panel Assembly do steps 6 and 7 only To remove the Scan Upper remove the ADF then do steps 8 and 9 only To remove the CCD Module remove the ADF then do steps 10 through 11 To remove the Drive Motor remove the ADF then do steps 8 9 12 and 14 To remove the Open Sensor remove the ADF then do steps 8 9 15 and 16 WorkCentre PE 120 120i Disassembly 3 Disconnect 5 connectors and the ground wire 5 Free the scanner cable harness from the clips screw from the PBA main board underneath to remove the scanner from the frame 4 Pull up on the scanner assembly to remove it partially from the print engine 6 Liftthe front part of the OPE front cover to release the tabs securing it to the scanner COVER OPE FRONT Service Manual 5 5 Disassembly 10 Remove the CCD cable as shown T Release the 3 clips on the front of the control panel unroute the wiring harness through the frame and remove the control panel OPE CCD Cable 11 Pull up on the CCD shaft to remove it from the scanner AE TD O il E au o T 8 Remove 4 screws securing the scan upper 12 Squeeze the spring to rele
74. er Supply dBm Decibel Milliwatt I F Interface DC Direct Current I O Input Output DCU Diagnostic Control Unit IC Integrated Circuit DIMM Dual In line Memory Module ICC International Color Consortium DPI Dots Per Inch IDE Intelligent integrated Drive Electronics DRAM Dynamic Random Access Memory IEEE Institute of Electrical and Electronics Engineers Inc DVM Digital Voltmeter IIT Image Input Terminal Scanner ECM Error Correction Mode IOT Image Output Terminal Print Engine ECP Enhanced Capability Port IPA Isopropyl Alcohol ECU Engine Control Unit IPC Inter Process Communication EEPROM Electronically Erasable IPM Images Per Minute Programmable Read Only Memory EMI Electro Magnetic Interference ITB Image Transfer Belt Transfer Belt 2 2 WorkCenter PE 120 1201 Reference Information Definition Definition LAN Local Area Network PPM Pages Per Minute Ib Pound s PS PostScript LBP Laser Beam system PTL Pre Transfer Erase Lamp LCD Liquid Crystal Display PWM Pulse Width Moduration LED Light Emitting Diode Q ty Quantity LSU Laser Scanner Unit RAM Random Access Memory LVPS Low Voltage Power Supply MB Megabyte RET Resolution Enhancement Technology MDMC Multiple Document Multiple Copies ROM Read Only Memory MHz Megahertz SDMC Single Document Multiple Copies MPBF Mean Prints Between Failure SCF SCT Tray 2 Or Second Cassette Feeder MPF MPT Multi P
75. erts the paper in front of the feed sensor Jam Jam O Description This is an indcation that the leading edge of the paper did not pass the feed sensor m After paper pick paper does not enter the printer due to a misfeed m After paper pick the paper enters the printer but it does not reach the feed sensor in the specified amount of time m f paper has been picked and the feed sensor is not ON the printer will re pick If after re picking the feed sensor is still not reported as ON this error will occur m Even though the paper reaches the feed sensor the feed sensor is not ON Jam 1 This is an indication that the leading edge of the paper has already passed the feed sensor m After the leading edge of the paper passes the feed sensor the trailing edge of the paper does not pass the feed sensor within the specified time The feed sensor cannot be OFF during this time m After the leading edge of the paper passes the feed sensor the paper does not reach the exit sensor within the specified time The exit sensor cannot be ON during this time Jam 2 The paper is between the feed sensor and the exit sensor m After the trailing edge of the paper passes the feed sensor the trailing edge of the paper does not pass the exit sensor within the specified time 4 18 WorkCentre PE 120 120i Product Summary 4 5 2 Drive The main motor drives the paper feed developing unit and the fuser It
76. ervice procedures including Using EDC mode clearing paper jams and test patterns Much of this chapter is also included in the user s guide 6 1 Paper Path h Engine Part After receiving a print command the printer feeds paper from the main cassette or the bypass tray The paper being fed passes the paper feed sensor Jam 0 occurs if the sensor is not actuated within a specified amount of time Having passed the paper feed sensor the paper moves to the paper exit sensor via the print process Jam 1 occurs if the sensor is not actuated within a specified amount of time The paper then passes through the paper exit sensor and out of the system Jam 2 occurs if the trailing edge of the paper does not pass the exit sensor within the specified time between the papers leading edge activating the exit sensor Service Manual 6 1 Alignment and Adjustments 6 1 2 Copy and Scan Paper Path Doc Paper 50 Sheets Pickup Roller ADF Roller Sensor Doc White Sheet pu 8 ee fl i Sensor Regi Sensor Scan Feed Roller Exit Roller 9200000 6 1 3 Printer Paper Path Engine Part 9 GD Paper Input Cassette Paper Empty Sensor Cassette e Paper Input Manual Feeder Q Paper
77. free from debris and rotating freely g Check the SMPS main board and all connections Replace any defective parts Service Manual 7 1 Troubleshooting 7 1 3 Jam 1 Description There is a paper jam in front of or inside the fuser There is a paper jam stuck in the discharge roller and in the fuser just after passing the feed actuator Possible Cause Solution 1 Defective exit sensor actuator a Replace the exit sensor SMPS or main 2 Defective feed actuator board b Replace the feed actuator and spring if defective 7 1 4 Jam 2 Description There is a jam in front of or inside the fuser Paper is stuck in the discharge roller and in the fuser just after passing through the feed actuator Possible Cause Solution 1 Ifthe paper has exited the printer and a Jam2 occurs the a Look for debris or contamination around the exit sensor is defective exit sensor and actuator m After paper passes the exit sensor the flag should return b Check the exit sensor and actuator for to its normal position The flag may stick or return too damage slowly due to contamination or foreign objects c Replace if defective ing i h O AN pa l mE d Replace the fuser 2 f there is an accordian paper jam in the fuser m The guide claw is damaged m he spring on the gui
78. handling boards containing sensors motors or lamps as they may get hot m Take care when fitting or removing screws Check for hidden screws Always ensure that the correct screw is used When toothed washers are removed ensure they are refitted in their original positions 5 1 Disassembly 5 2 Rear Cover PL 8 1 23 3 Unclip the face up cover from the rear cover as shown then lift the face up cover out 1 Remove 4 screws securing the rear cover FI Ps 2 Md 2 Remove the rear cover from the frame and scanner assembly 5 2 WorkCentre PE 120 120i Disassembly 5 3 Side Covers Right and Left PL 8 1 14 21 1 First remove a Rear cover see page 5 2 b Paper tray 5 For the left side cover repeat steps 3 5 except disconnect the loudspeaker wiring harness if equiped 2 Open the front cover 3 For the right side cover remove 2 screws from the front and screw on the back 4 Release the 3 clips underneath the cover and ease the rear screw bracket over its locating pin Pull the cover to the right and remove it from the frame Service Manual 5 3 Disassembly 5 4 Front Cover PL 8 1 22 2 Unclip the front cover from the frame and remove 1 Open the front cover and remove the toner cartridge 5 5 Scanner Ass
79. hotosensitive sensor It consists of a CCD module Connection board ADF board AFE Analog Front End Image Processor Located in CPU platen glass and ADF mechanism The scanner carriage contains two Xenon lamps a CCD mirrors and lenses The output of the CCD is connected to the main controller board by a ribbon cable that follows the path of the carriage When a document is scanned using the document glass platen the carriage moves across the scanner illuminating the original and projecting the image onto the CCD When a document is scanned using the automatic document feeder ADF the scan carriage moves to a fixed position under the constant velocity transport CVT glass and the image is captured as the document moves through the ADF The WorkCentre PE120 scanner can be used to scan color or black and white images including line art photographs and printed text CCD Module Specification Resolution 600dpi Maximum scan wide 8 5 Color filter Red Green Blue Output channel 3 channels R G B 4 6 WorkCentre PE 120 120i Product Summary Effective pixel 5 400 pixel 3 Voltage 24 V and 5 V Pre heating time Maximum 30 seconds 70 of light output reached The life span of a lamp 30 000 hours 25 C Image Processor Specification m Operating frequency 66MHz m Image sensor interface 200 300 600 dpi CIS or CCD m Line time Copy FAX Binary Lineart Halftone PC Scan 1 5ms Line Color PC Scan Grey 256 Colo
80. ice Manual 6 15 Alignment and Adjustments Enter Again Unavailable item entered Solution Enter the correct item again Function Impossible A combination of printer functions that can not be used at the same time Solution Reduce the number of selected functions or use only one function at a time Group Not Available Selected a group location number where only a single location number can be used such as when adding locations for a broadcasting operation Solution Use a speed dial number or dial the number manually using the number keypad LSU Error A problem has occurred in the Laser Scanning Unit LSU Solution Use Engine Test mode to test LSU Replace the LSU Invalid Cartridge or No Cartridge A non Xerox brand toner cartridge 1s installed Solution You must use a Xerox toner cartridge Line Error The system cannot connect with the remote machine or has lost contact because of a problem with the phone line Solution Try again If the problem persists wait an hour or so for the line to clear and try again Or turn the ECM on Memory Full The memory is full Solution Delete any unnecessary documents delayed transmission broadcast or polling jobs or retransmit after more memory becomes available This can also be caused when a large complex document with many pages is being sent try splitting the job into more than one operation No Answer The remote fax machine has not answered after several re
81. icing or replacing any parts Only use approved spare parts Ensure that part number product name any voltage current or temperature rating are correct When removing or re fitting any parts do not use excessive force especially when fitting screws into plastic Take care not to drop any small parts into the system Handling of the OPC Drum The OPC Drum can be irreparably damaged if the following instructions are not used m Exposure to light Take care not to expose the OPC Drum either to direct sunlight or to fluorescent or incandescent room lighting Exposure for as little as 5 minutes can damage the surface photoconductive properties and will result in print quality degradation Take extra care when servicing the system Remove the OPC Drum and store it in a black bag or other lightproof container m Take care when working with the covers open as light is admitted to the OPC area and can damage the OPC Drum m Take care not to scratch the green surface of OPC Drum Unit m If the green surface of the Drum Cartridge is scratched or touched the print quality will be compromised Service Manual 1 3 Precautions mlb 1 4 2 5 Bodily Injury Warnings Use caution around internal components The fuser unit works at a high temperature Use caution when working on the system Wait for the fuser to cool down before disassembly Use caution when working around rotating parts or moving gears When operating the system do
82. iode Off is displayed 21 Feed Sen Test These functions allow the current state of the sensorto Sensor Off or Sensor On 22 Exit Sen Test BESIDE 23 Cover Sen Test This allows the current state of the cover sensor to be Cover Open or Cover Close displayed Actuate the sensor and confirm that the message changes Cover Open Cover Close 24 Empty Sen Test These functions allow the current state of the sensor to Sensor Off or Sensor On be 25 Manual Sen Test displayed 31 Therm ADC 180 Current value is displayed on the upper line of the LCD Target temperature and 32 Therm ADC 140 and Target value is displayed on the bottom line output temperature from ic limi 4919 to 80 C thermistor and ADC 33 Therm ADC 120 Target value is limited from 191 to 80 34 Therm ADC 100 41 MHV Test These functions are provided to check whether the MHV On Off 42 Dev Bias Test control of the HVPS is functioning correctly Dev Bias On Off 43 THV EN NEG Test THV EN NEG On Off 44 THV ON 1300V THV On Off 45 THV ADC 1300V ADC value displayed 46 THV ADC 600V 3500 ADC value displayed 6 12 WorkCentre PE 120 120i Alignment and Adjustments 6 6 Identify Sale Date This function confirms the date that the consumer bought the product and used the product for the first time When the consumer first operates the system it will start the scan and page counters The time the system was first used is also displayed
83. iode is disconnected a blank page is printed out It is the same when a ZENER diode is disconnected from OPC ground WorkCentre PE 120 120i 4 4 2 Switching Mode Power Supply Product Summary The SMPS is the power source for the entire printer system The SMPS supplies DC power for driving the printer and the AC heater control which supplies power to fuser The SMPS has two output channels 3 3 V and 24 V 1 AC Input Input Rated Voltage AC 220 V 240 V AC 120 V AC 220 V EXP version Input Voltage Range AC 198 V 264 V AC 90 V 135 V AC 198 V 264 V EXP version Rated Frequency 50 60 Hz Frequency Range 47 63 Hz Input Current Under 4 04 RMS 2 0A RMS When the fuser lamp is off and input output voltages are in range 2 Rated Output Power No Item CH2 CH3 Remark 1 Channel name 5 V 24 0 V 2 CONNECTOR PIN CON 23 CON 3 5 V PIN 3 4 24 V PIN 11 12 13 GND PIN 5 6 7 GND 9 10 18 3 Rated output 5 V 596 24 V x 1096 4 75 5 25 V 21 6 26 4 V 4 Max output current 0 14A 2 0A D Peak loading current 0 14A 2 5 A 1ms 6 Ripple noise voltage 100mVp p Under 500mVp p T Maximum output 0 35 W 48 W 8 Peak output 0 7 W 60W 1ms 9 Protection for loading shortage and overflowing current 3 Power Consumption No Item CH2 5 V CH3 24 0 V Remark 1 Standby 0 07 A 0 4A AVG 55 Wh 2 Printing 0 14 A 2 0A AVG 280 Wh 3 Sleep Mode 0 01 0 4 A AVG
84. ion of these messages and how to clear problems MP TRAY JAM DOOR OPEN A paper jam has occurred in the bypass feeder or the media has been improperly fed Solution Clear the paper jam Load paper in the bypass feeder correctly Cancel 1 Yes 2 No While storing the document in memory the memory has become full Solution To cancel the fax job press the 1 button to accept Yes If you want to send the pages that were stored press the 2 button to accept No This will send ONLY the pages stored The remaining pages should be sent later when more memory becomes available COMM Error The multi function printer has a communication problem Solution Ask the sender to try again Low Heat Error Open Heat Error There is a problem in the fuser unit Solution Check thermostat thermister contact point amp Heating Lamp Over Heat The printer has overheated Solution The system will automatically return to standby mode when it cools down to a normal operating temperature If this error persists check the Fuser assembly and wiring Delayed Function Full The delayed fax job list or memory space is full Solution Cancel any unnecessary delayed fax jobs Document Jam The loaded document has jammed in the Automatic Document Feeder ADF Solution Clear the document jam Door Open The front or rear cover is not securely latched Solution Close the cover until it locks into place Serv
85. ip and Ring terminals Use Modular Plug RJ 11C WB Arrl Arr2 and Arr3 are protection components to prevent damage due to overvoltage surges e g lightening HE1 J to FAX TIP to Ring El Arr 1 gt i Arr1 600V ARRASTO R Arr2 Arr3 47 0V VARISTOR RING Service Manual 4 21 Product Summary 4 8 4 Transformer Circuit m The Transformer circuit is a line impedance matching circuit which matches the internal impedance of the fax machine to the external 48Volt DC impedance of the PSTN system m The Transformer circuit insolates the fax machine electrically from the PSTN T2 705 C7 C9 600 600 MODEM Tx H MODEM Rx E DC Feeding 4 8 5 On Hook State gm DCIOV DCIOOV DC Resistance 5M and over m DCISOV DC200V DC Resistanc 30K and over Ring Sensitivity m Ring detection voltage 40Vrms 150Vrms m Ring detection frequency 15 3Hz 68Hz m Ring detection current 20mA 100mA Pseudo Ring Sound m Ring frequency 750Hz 1020Hz m Ring Interrupt period Mark Space controlled by CPU Modem 4 8 6 Off Hook State DC Resistance m DP Dial Mode DC 30mA 50 220 m DTMF Dial Mode DC 20mA 50 300 m DTMF Dialing DC 20mA 50 540 m Matching Input AC Impedance 600 30 for 300Hz 3 4K Hz m Minimum Line Current detecting Off Hook m 20mA Handset Hook Off m 15mA External Handset Hook Off Minimum Line Current for DP Dial transmission 20mA 120mA Product
86. is best set to the default setting of 33 6Kbps 6 S WorkCentre PE 120 120i Alignment and Adjustments ERROR RATE When the error rate 1s about to exceed the set value the Baud rate automatically adjusts to 2400 bps this ensures that the error rate remains below the set value You can select a rate between 5 and 10 CLEAR ALL MEMORY All the values are returned to default and all the information which was set by the user will be erased Select Clear All Memory in TECH MODE Push the ENTER button Select your country group There are four country groups Refer to the table below Push the ENTER button again the system will now clear all memory x d ca um Caution If the main board 1s replaced a memory clear needs to be performed for the system to operate properly Country Group USA Canada UK Russia South Africa Country USA Canada UK Russia South Africa Mexico Germany India Brazil France Oman Italy Poland Spain Bangladesh Austria Kuwait Netherlands Moroco Belgium Algeria Portugal Pakistan oweden UAE Norway Bahrain Denmark Srilanka Finland Saudi Arabia Switzerland Chile Greece Peru Ireland Argentina Turkey Hungary Romania Bulgaria Czech Service Manual 6 9 Alignment and Adjustments 6 4 4 Machine Test SWITCH TEST This feature is used to test all the buttons keys on the control panel The results are displayed on the LCD each
87. is driven by software which controls the acceleration constant speed and deceleration profiles The motor is managed with an A3977 driver IC and controlled by step and enable signals from the CPU 4 5 3 Transfer The charging voltage developing voltage and the transfer voltage are controlled by PWM Pulse Width Modulation Each output voltage is changeable according to the PWM duty cycle The transfer voltage used when the paper passes the transfer roller is decided by environment recognition The resistance value of the transfer roller changes due to the surrounding environment in the room or within the set this change in resistance in turn changes the value of the voltage due to loading This voltage is fed back into the set through the A D converter Based on this fed back value the PWM cycle is changed to maintain the required transfer voltage 4 5 4 Fusing The temperature of the heat roller s surface 1s detected according to the resistance value of the thermistor The thermistor resistance is measured using the A D converter and thus the CPU can determine the temperature of the heat roller The AC power is controlled by comparing the target temperature to the value from the thermistor If the value from the thermistor is out of the controlling range while controlling the fusing process the error stated in the table occurs Error Description Open Heat Error When warming up it has been lower than 68 C over 25 sec Lower Heat Error
88. ive B5 Optional Tray 2 MP Bypass Tray Envelope 6 3 4 7 3 4 9 10 DL C5 B5 Minimum 76x127 mm 3x5in Maximum 216 x 356 mm 8 5 x 14 in ADF Size Width 142 x 216 mm 5 6 x 8 5 in Length 148 x 356 mm 5 8 x 14 in Media Weight Tray 1 16 24 Ib 60 90 g m Optional Tray 2 MP Bypass Tray 16 43 Ib 60 163 g m ADF 12 5 28 Ib Paper Path Standard output Bottom to middle front FIFO Straight through Bypass Face up single sheet Print Skew Top Tray 1 1 5 177 8 mm Tray 2 2 0 177 8 mm Side Tray 1 2 243 5 mm Tray 2 2 5 243 5 mm Copy Skew Top Tray 1 2 5 190 mm Tray 2 3 0 190 mm Side Tray 1 3 5 277 mm Service Manual Tray 2 4 0 1277 mm 3 3 Specifications 3 6 Print Engine Specifications Item Specification Print Speed Up to 22 ppm Ltr 20 ppm A4 600 dpi Print emulation GDI PCL6 PCL5e std PostScript Level 3 PE120i only Auto Emulation Sensing Yes Font Type Number 45 Scalable 1 bitmap Power Save Yes ON OFF Resolution Normal 600 x 600 dpi RET Yes 1200 x 1200 dpi Toner Save Yes Dedicated control panel button Dedicated Print Memory 16 MB Upgradeable FPOT From Standby Ready approx 10 seconds from laser ON From Cold status less than 50 seconds Printable Area Letter 208 x 273 mm Halftone Gray scale 128 levels 3 4 WorkCentre PE 120 120i 3 7 Scan Specifications Specifications Item Specificati
89. k of the page is stained at 47 mm intervals 1 Transfer roller is contaminated 2 Pressure roller is contaminated Digital Printe Digital Printer Digital Printer a Run the OPC cleaning mode print 2 to 3 times then run the self test to remove contamination from the transfer roller b Replace the transfer roller c Replace the fuser Service Manual 7 13 Troubleshooting 7 1 15 Blank Page is Printed 1 Example Possible Cause Sequence of Repair Actions The printed page is blank 1 Bad ground contacts in the OPC and or toner cartridge a Clean the ground terminals on the toner cartridge and inside the printer b Check the OPC ground or the OPC diode for defects or an open circuit inside left side of printer 7 3 16 Blank Page is Printed 2 Example Possible Cause Sequence of Repair Actions pages are printed Blank page is printed one or several blank pages are printed or when the printer is first powered on several blank 1 Bad ground contacts in the OPC and or toner cartridge 2 Defective solenoid a Clean the ground terminals on the toner cartridge and inside the printer b Check the OPC ground or the OPC diode for defects or an open circuit inside left side of printer c Perform the engine self test using Tech Mode to verify the solenoid is working correctly d Replace the main board 7 14 W
90. ke care not to touch the green surface use the gerar on the side to rotate the OPC drum and pull the paper from the toner cartridge m Clean any fingerprints on the OPC gently with a soft lint free cloth using caution not to scratch the surface Service Manual 7 3 Troubleshooting 7 2 8 Defective ADF Description The ADF does not operate correctly Possible Cause Solution 1 The ADF rubber or holder rubber are damaged or contaminated 2 he ADF document sensors 3 paper sensors are not working correctly a Replace the contaminated or damaged part b Replace the sensors or ADF 7 4 WorkCentre PE 120 120i 7 2 System Malfuction Troubleshooting 7 2 1 LCD Display is Defective Description Strange characters are displayed on the LCD window and the control panel buttons do not work Possible Cause Solution 1 Memory needs to be cleared 2 he control panel or harness may be defective a Use Clear All Memory from Tech Mode b Try reseating the control panel harness Replace the harness or control panel if defective c Replace the main board 7 2 2 Defective Control Panel Keypad Description The buttons on the control panel do not work or respond incorrectly Possible Cause Solution 1 Memory needs to be cleared 2 The control panel or harness may be defective a Use Clear All Memory from Tech Mode b Try reseati
91. llowing instructions are for personal safety to avoid injury and to avoid damaging the system 1 2 Ensure the system is installed on a level surface capable of supporting its weight Failure to do so could cause the system to tip or fall The system contains many rollers gears and fans Take great care to ensure that you do not catch your fingers hair or clothing in any of these rotating devices Do not place any small metal objects containers of water chemicals or other liquids close to the system which if spilled could get into the system and cause damage electric shock or a fire hazard Do not install the system in areas with high dust or moisture levels beside an open window or close to a humidifier or heater Do not place candles or burning cigarettes on the system These can cause a fire 1 2 4 Assembly and Disassembly Precautions Always use Xerox parts Take care to note the exact location of parts and cable routing before disassembling any part of the system Ensure all parts and cables are replaced correctly Please use the following procedures before disassembling or replacing any parts 1 2 3 Check the contents of the system memory and make a note of any user settings These will be erased if the mainboard or network card is replaced Ensure that power is disconnected from the wall socket before servicing or replacing any electrical parts Disconnect system interface cables and power cables before serv
92. m and DRAM for working memory m Engine interface parts motor control fuser control HVPS control and sensors m PC Interface USB Parallel Network m Bus DMA and I O handling b PC Interface Service Manual 4 7 Product Summary 4 3 1 Paper Feed The paper feed system consists of an automatic document feeder a 250 sheet main paper tray bypass tray MP pickup rollers friction pads and feed rollers The rollers and sensors in the paper feed path control paper registration and guide the paper through the image transfer image development image fusing and exit assemblies The paper path has an anti static connection to ground to eliminate problems due to static charge on the paper 1 Paper Separation Method Individual sheets are separated into each tray using the friction pad method When paper feeds into the system it passes over a spring loaded friction pad that separates the sheets of paper 2 Paper Tray cassette The paper trays use a center loading method There are no paper size sensors instead a software process is used to detect the size of the first sheet of paper as it 1s fed through the printer Both the rear and side paper guides are adjustable for various paper sizes There is a Paper Empty sensor which detects the presence of paper Capacity 250 sheets There is an indicator flag on the front of the tray which indicates the amount of paper remaining 3 Pick Up Roller The pick up roller i
93. nd Microlype are trademarks of Agfa Division of Bayer Corporation Centronics9 is a trademark of Centronics Data Computer Corporation HP GL HP UX and PCL are trademarks of Hewlett Packard Corporation in the United States and or other countries IBM is a trademark of International Business Machines Corporation in the United States and or other countries Microsoft Windows and Windows NT are trademarks of Microsoft Corporation in the United States and or other countries Novell NetWare and IPX SPX are trademarks of Novell Incorporated in the United States and or other countries Sun M Sun Microsystems Solaris and Sun OS are trademarks of Sun Microsystems Incorporated in the United States and or other countries UNIX is a trademark in the United States and other countries licensed exclusively through X Open Company Limited As an ENERGY STAR partner Xerox Corporation has determined that this product meets the ENERGY STAR guidelines for energy efficiency The ENERGY STAR name and logo are registered U S marks oui MD SH Contents 1 Precautions 1 1 Safety NAME Rs Dee ce duc dame 1 1 l2 Salety CONS deeree dak rdiet de dur d dh dodo Bob ve rio 1 2 L1 Toxic IGG Al a a Eds 1 2 1 2 2 Electric Shock and Fire Safety Precautions 1 2 1 25 Handlins Precauti flS o 2 29 dr d hus d do 8d we ee oes does 1 3 1 2 4 Assembly and Disassembly Precautions 1
94. ness out of the frame then remove the ADF ADF Ass y Caution When working on the ADF motor do not contaminate any of the rubber surfaces with grease or oil VITE d 4 Release the bushing and rotate the pick up m assembly until it reaches the slot as shown below then lift the pick up assembly out eee gt SNY Mz 5 6 WorkCentre PE 120 120i Disassembly 5 Remove 2 screws securing the upper cover and 6 Unplug 1 connector and remove 5 screws securing remove the cover the ADF motor assembly Remove the motor Note Before removing the motor assembly note the position of the ferrite and harness routing Upper Cover a A A A A T ADF Lower Ass y Replacement Notes Caution When refitting the ADF motor assembly ensure the harness and ferrite are properly located and clear of the motor fan and white bar clip 5 7 OPE Control Panel PL 8 4 1 First remove OPE Cover a Rear cover see page 5 2 b Side covers see page 5 3 C Steps 6 and 7 on page 5 4 2 Remove 10 screws securing the control panel cover to the control panel board OPE PBA Service Manual 5 9 Disassembly 5 8 Middle Cover and Exit Roller 4 Remove the exit gear and bearing to remove the PL 8 6 and PL 8 7 63 exit roller First remove 1 a Rear cover see page 5 2 b L
95. ng the control panel harness Replace the harness or control panel if defective c Replace the main board 7 2 3 Fuser Gear Melted Due to Overheating Causing a Paper Jam Description Constant jam where paper is entering the fuser unit or the fuser rollers are not turning Possible Cause 1 The heat lamp thermistor thermostat or fuser rollers are damaged Service Manual Sequence of Repair Actions a Verify the fuser is running at optimal temperatures Run a cleaning page Replace the fuser unit Replace the SMPS Replace the main board 96007 7 5 Troubleshooting 7 2 4 Paper Empty Error Description Paper empty is displayed even when paper is loaded in the tray Possible Cause Sequence of Repair Actions 1 The paper empty sensor or actuator is damaged or faulty 2 he SMPS or main board is faulty 3 Faulty cable or connector 7 2 5 Paper Empty Error Without Indication a Replace the defective actuator or sensor b Replace the SMPS c Replace the main board Description The tray is empty but not being reported on display Possible Cause Sequence of Repair Actions 1 The paper empty sensor or actuator is damaged or faulty 2 he SMPS or main board is faulty 3 Faulty cable or connector a Replace the defective actuator or sensor b Check and replace the wiring to the control panel if faulty c Replace the SMPS d Replace th
96. o 4 5 4 2 1 Scanner Paper Path 2 4 5 4 2 2 Print Engine Paper Path 2242 45 oh eee masi 4 5 4 2 3 Print Engine Paper Path Rollers 4 6 2 5 ON SO SUMMARY osea a E tatam d Sas RU 61 95 tonte d 4 6 d OL Paper CCG lt 42nd d lt wa ueea soa weed de ET 4 8 4 2 4 Transfer Assembly 4 8 2 25 Drive Assembly ibus D gom dee dob xw edo a SE arp E gedes 4 8 4 2 0 Fuser ASSCMDIY 4 9 3 0404 460440444 dur us sir ae hour ia d 4 8 4 2 7 Laser Scanner Unit LSU 4 9 4 2 6 Toner Cartridge 444 s 1e4e sseeddessenedessentatesese 4 10 Table of Contents i 4 3 Main Controller Board PBA 4 11 LIAE MIO 4 12 Ados PRECES 4 13 LN Pash Memory ae bomen co ee 4 13 RES DR AN des oop Quo tan Oo oo UE ed RI SERE 4 13 Ao Battery BACKUP aoa me sa18 29 9 2 2 tee ete Mad ARREA SUE EU dE CRUS i 4 13 4 3 6 Sensor Input Circuit 4 13 4 4 Switching Mode Power Supply SMPS and High Voltage Power Supply HVPS 4 15 4 4 1 High Voltage Power Supply 4 15 4 4 2 Switching Mode Power Supply 4 17 4 4 5 Fuser AC Power Control s 4 02 4 0404 um ons e dh HEU mde rend 4 18 A SENG ds M ade 4 18 SEMI VU ATP 4 18
97. o 5 functions 0 4 6 5 1 Entering Engine Test Mode 1 Press the following buttons in order Menu 1 9 3 1 2 The LCD briefly displays ENGINE TEST and the system is now in Engine Test Mode 3 Press 0 1 2 3 or 4 to select the test number Test Number Sub Number Engine Test Results 1 Motor Test On 2 Off next test selected 2 Pick Up Test On 2 Off next test selected 0 3 Fan Test On 2 Off next test selected 4 Manual Clt Test On 2 Off next test selected 5 PTL Test On 2 Off next test selected 1 LSU Motor Test On 2 Off next test selected 1 2 LSU Hsync Test On 2 Off next test selected 3 LD Test On 2 Off next test selected 1 Feed Sensor Test Check read the sensor 2 Next Next Sensor test 2 Exit Sensor Test Check read the sensor 2 Next Next Sensor test 2 3 Cover Sensor Test Check read the sensor 2 Next Next Sensor test 4 Empty Sensor Test Check read the sensor 2 Next Next Sensor test 5 Manual Sensor Test Check read the sensor 2 Next Next Sensor test 1 Therm ADC 180 On 2 Off maintain the fusing temp 80PC 2 Therm ADC 140 On 2 Off maintain the fusing temp 135PC 3 Therm ADC 120 On 2 Off maintain the fusing temp 160PC 4 Therm ADC 100 On 2 Off maintain the fusing temp 191PC 1 MHV Test On 2 Off 1550V 50V 2 Dev Bias Test On
98. on Scan Method Color single CCD Scan Speed ADF USB 1 1 300 dpi Letter 128 MB RAM all speeds are approximate Line art 75 seconds Grayscale 75 seconds Color 150 seconds Scan Speed on Platen Lineart 75 seconds Grayscale 75 seconds Color 75 300 dpi 150 seconds Resolution Optical 600 x 1200 dpi Enhanced 4800 x 4800 dpi Halftone 256 level Scan Size Max media width 216 mm 8 5 in Effective scan width 208 mm 8 2 in Scan to Image OCR FAX Direct Scan to USB memory Application Scan depth Color 24 bit Mono 1 bit for lineart 8 bit for grayscale Service Manual 3 5 Specifications 3 8 Copy Specifications Item Specification Changeable default modes Copy quality selection or image Text 600 x 300 dpi type selection modes Text Photo 600 x 300 dpi Photo 600 x 600 dpi FCOT Standby Ready approx 10 seconds from platen approx 15 seconds from ADF Cold status 50 seconds Copy Speed SDMC all modes 22 cpm Ltr 20 com A4 MDMC text mode 14 cpm 600 x 300 dpi MDMC photo mode 8 cpm 600 x 600 dpi Origin Alignment Platen Hear left ADF Center Resolution Scan 600 x 300 dpi 600 x 600 dpi Print 600 x 600 dpi Zoom range Platen 25 to 400 ADF 25 to 100 Multi copy 1 99 sheets Preset Yes Collation Copy Yes 600 x 300 dpi Darkness Control 3 levels Auto return to default mode Yes 15 30 60 180 seconds or OFF
99. ories 1 9 Block Diagram 10 Connection Diagram Service Manual I v l vi WorkCentre PE 120 120i Precautions Precautions In order to prevent accidents and to prevent damage to the system please read the precautions listed below carefully before servicing the system 1 1 Safety Warnings 1 Only to be serviced by appropriately qualified service engineers High voltages and lasers inside this product are dangerous This system should only be serviced by a suitably trained and qualified service engineer Use only Xerox replacement parts There are no user serviceable parts inside the system Do not make any unauthorized changes or additions to the system these could cause the system to malfunction and create electric shock or fire hazards Laser Safety Statement The system is certified in the U S to conform to the requirements of DHHS 21 CFR chapter 1 Subchapter J for Class 1 laser products and elsewhere it is certified as a Class laser product conforming to the requirements of IEC 825 Class 1 laser products are not considered to be hazardous The laser system and system are designed so there is never access to laser radiation above a Class 1 level during normal operation user maintenance or prescribed service condition Warning Never operate or service the system with the protective cover removed from Laser assembly The reflected beam although invisible can damage your
100. orkCentre PE 120 120i Troubleshooting 7 4 Fax and Phone Problems 7 4 1 No Dial Tone Description There is no dial tone when the On Hook dial button is pressed Possible Cause Sequence of Repair Actions 1 The telephone line cord is incorrectly connected a Check the connection setup 2 The speaker may not be operating correctly b Listen for a CLICK sound when the OHD 3 The harness between the LIU and main board may be key is pressed If you don t hear a CLICK defective the control panel needs to be replaced c Use the Tech Mode Modem Test to verify the speaker and amplifier are working d Check the LIU to main board wiring replace if defective e Replace the main board 7 4 2 Defective MF Dial Description The MF DIAL is not working Possible Cause Sequence of Repair Actions 1 Check that the telephone line cord supplied with the set a lf the telephone cord is OK but there is no is connected to TEL LINE correctly dial tone try plugging a normal telephone 2 Listen for a CLICK sound when the key is pressed des the Fert EE If this is OK then 3 Checkthe connection of the HARNESS between the LIU Es ide and the main board b Listen for a CLICK sound when the OHD key is pressed If you don t hear a CLICK 4 Check that the SPEAKER is connected correctly the control panel needs to be replaced c Check the Speaker connection and the harness between the LIU and the main board
101. ost Typically backup power will last up to 43 hours The battery requires 48 hours to charge 4 3 6 Sensor Input Circuit 4 3 6 1 Paper Empty Sensing The Paper Empty sensor Photo Interrupter on the SMPS HVPS PBA CON2 2 1s monitored by the CPU on signal When the cassette 1s empty the system displays a message on the LCD 4 3 6 2 MP Bypass Tray Sensing Presence of paper in the bypass tray 1s detected by the MP sensor photo interrupter on the SMPS HVPS PBA CON2 14 The CPU monitors this sensor to recognize paper in tray and paper feed if there is paper present 4 3 6 3 Paper Feed Sensor When paper passes the actuator on the feed sensor CON2 1 it is detected by the photo interrupter The CPU monitors the signal and starts the process of creating the image after a specified delay time If the feed sensor is not detected within one second after paper is fed a paper jamO occurs and is reported on the LCD When a toner cartridge is inserted it also operates the paper feed sensor A message is displayed on the LCD if no cartridge is detected Service Manual 4 13 Product Summary 4 3 6 4 Toner Remaining Sensing The printer does not have a toner remaining sensor 4 3 5 5 Paper Exit Sensing This detects paper exiting from the system using an exit sensor on the engine board CON2 24 and actuator on the frame The CPU detects the on off time of the exit sensor during normal operation or a jam2 1s reported on the LCD 4 3 6
102. ou may be able to temporarily improve the print quality by redistributing the toner The following procedures can allow you to finish the current print job before replacing the toner cartridge 1 Grasp the front cover and pull it toward you to open 2 Remove the toner cartridge from the printer Warning Avoid reaching too far into the printer The fuser area may be hot 3 Gently shake the toner cartridge from side to side five or six times to redistribute the toner gt Reinsert the toner cartridge into the printer Ensure that the toner cartridge snaps into place 5 Close the front cover Make sure that the cover is securely closed Note If the toner gets on your clothing wipe it off with a dry cloth and wash clothing in cold water Hot water sets the toner in the fabric 7 20 WorkCentre PE 120 120i Troubleshooting 7 9 Software Problems 7 9 1 The Printer is Not Responding to the Print Command The printer is on but not operating in print mode 1 Run Self Test Mode using the menu buttons press Menu Enter Enter a If the test print works there are no hardware problems within the printer and the user should check the application settings b Ifthe test print did not print the system 1s faulty continue troubleshooting Check that the computer and the printer are properly connected a Reconnect or replace the connection from printer to computer if faulty or damaged b Ifthe connection is sound continue trouble
103. r True Color 4 5ms Line m A D conversion 10 bit conversion Note For more information about scan settings review the Scanning sections of the WorkCentre PE120 User Guide and the Multifunction Basics Prerequisite Training 3 The Print Engine 1 2 Engine Frame Paper Feed The paper feed system consists of a 250 sheet main paper tray a bypass tray MP pickup rollers friction pads and feed rollers The rollers and sensors in the paper feed path control paper registration and guide the paper through the image transfer image development image fusing and exit assemblies The paper path has an anti static connection to ground to eliminate problems due to static charge on the paper Main drive mechanism The main drive is a bi polar two phase motor It drives the drum paper pick and paper feed rollers using a gear train mechanism Image development unit Using a Laser Scanner Unit LSU this portion of the mechanism creates the image on the OPC drum part of the integrated toner cartridge Image transfer unit This unit uses the high voltages supplied by the HVPS to move the image from the OPC drum onto the paper Image fusing unit This unit permanently fixes the toner image onto the paper This is achieved using a temperature controlled heating unit the fuser Electronic boards include a The Main control board consisting of B Main processor asic 166 MHz SPGPm m Memory Flash ROM containing the control progra
104. replace as necessary d Use the Tech mode Modem Test to check that the speaker and amplifier are working e Replace the LIU f Replace the main board Service Manual 7 15 Troubleshooting 7 4 3 Defective FAX FORWARD RECEIVE Description FAX FORWARD RECEIVE is not working Possible Cause Sequence of Repair Actions testing in TECH Mode 1 Check that you can hear a dial tone by pressing OHD 2 Checkthat you can hear a RECEIVE tone when MODEM If MODEM testing is normal and there is no dial tone then try replacing the LIU If testing the MODEM shows a fault replace the main board 7 4 4 Defective FAX FORWARD Description RECEIVE is functioning by FORWARD is not or the data is corrupt Possible Cause Sequence of Repair Actions dial and listening forwarded faxes 1 Check for NOISE on the line by pressing the On Hook 2 Check that the destination fax machine can receive If you can hear noise on the line replace the telephone line Try faxing to another machine from this System Replace the LIU 7 4 5 Defective FAX RECEIVE 1 Description FORWARD is working but RECEIVE is not functioning or the data received is corrupt Possible Cause Sequence of Repair Actions dial and listening forwarded faxes 7 4 6 Defective FAX RECEIVE 2 1 Check for NOISE on the line by pressing the On Hook 2 Check that the destination f
105. room or within the printer This change in resistance in turn changes the value of the voltage due to loading This voltage 1s fed back into the printer through the A D converter Based on the value fed back the PWM cycle is changed to maintain the required transfer voltage 4 3 6 10 Fusing The temperature of the heat roller s surface 1s detected according to the resistance value of the thermistor The thermistor resistance is measured using the A D converter and thus the CPU can determine the temperature of the heat roller The AC power is controlled by comparing the target temperature to the value from the thermistor If the value from the thermistor is out of the controlled range while controlling the fusing process an error is reported 4 I4 WorkCentre PE 120 120i Product Summary 4 4 Switching Mode Power Supply SMPS and High Voltage Power Supply HVPS The SMPS and HVPS are on one integrated board The SMPS supplies the DC power to the printer It takes either 110 V or 220 V and outputs the 5 V and 424 V supplies to the main board The HVPS creates the high voltage for the THV MHV Supply Dev and supplies it to the toner cartridge The CPU is used to modify some of these voltage settings to provide the ideal voltages to create the image The HVPS uses the 24 V and outputs the high voltage for THV MHV BIAS and the outputted high voltage is then supplied to the toner OPC cartridge and transfer roller L z WEM i nunt F
106. s used to pick and feed paper into the printer It also is used to remove any static charge on the paper 4 Bypass Tray MP The multi purpose tray 1s used to hold non standard or custom paper sizes and special media envelopes transparencies etc There is a bypass tray paper empty sensor The Bypass Tray uses a friction pad method to ensure paper separation and can hold a maximum of 50 sheets of paper or envelopes 5 Lower Tray Assembly Tray 2 The optional tray unit is universal with the main tray and also has a capacity of 250 sheets 4 2 4 Transfer Assembly The transfer roller transfers toner from the OPC drum to the paper Toner is transferred from the OPC drum onto the paper using a PTL Pre Transfer Lamp and a transfer roller The PTL shines light onto the OPC reducing the electrical charge on the OPC surface improving the efficiency of the transfer 4 2 5 Drive Assembly The drive assembly receives power from the main controller board The main motor powers the paper feed toner cartridge fuser unit and all pick up feed and exit rollers 4 2 6 Fuser Assembly The fuser assembly uses a heat lamp process This consists of a heat lamp heat roller pressure roller thermistor and thermostat By use of heat and pressure toner is melted to adhere to the paper surface in order to complete the printing process 4 2 6 1 Thermistor and Thermostat The thermistor is used to detect the temperature of the heating unit and fee
107. shooting The printer is not printing from Windows a If you use windows check that the printer driver in the is set up correctly the correct port is selected and Use On line is selected in the driver If the printer driver is properly set up try printing a test page from the driver properties window Verify which program is not printing If no programs can print try opening Notepad and printing from there If the problem is within a single application adjust the printing properties within that program If changing the properties in the application print dialog box does not solve the problem uninstall and reinstall a new driver g Ifthe printer is not printing from all programs and the user is printing using the parallel port check the port settings Ensure the following settings m CMOS is on ECP B the address is IRQ 7 m 378 for parallel port 1 h Try using USB instead o 2905 7 8 2 The Printer is Not Responding to a Print Command or Strange Fonts are Printing After receiving a print command there is no reponse from the printer 1 Ensure there is sufficient hard disk space for the termporary work files created during printing a The message insufficient printer memeory means there is a hard disk space problem rather than a printer RAM problem Free up space on the hard disk Use the disk utilities program to delete unnecessary files 2 The error occurs even though there is plenty of hard disk space a The
108. st 8 11 No Part Name and part description Qty Part number Remark 0 ELA HOU SCF 1 1 COVER M FRONT SCF R2 1 002N02347 2 COVER M LEFT SCF 1 002N02348 3 COVER M RIGHT SCF 1 002N02349 4 COVER M REAR SCF 1 002N02350 5 FRAME M SCF 1 N S 6 HOUSING M PICKUP _R2 1 N S 7 HOUSING M PICKUP2 R2 1 N S 8 SPONGE ROLLER PICK UP 1 N S 9 SHAFT P CORE 2 N S 10 PMO BUSHING FEED 2 N S 11 BUSH M PICK_UP L 1 N S 12 BUSH M PICK UP R 1 N S 13 SHAFT P PICK UP 1 N S 14 PMO IDLE PICK UP 2 N S 15 ROLLER FEED 1 N S 16 PMO BUSHING TX 2 N S 17 PMO GEAR PICK UP A 1 N S 18 PMO GEAR PICK UP B 1 N S 19 SPRING CS 1 N S 20 RING CS 1 N S 21 CAM M PICK UP 1 N S 22 SHAFT FEED 1 N S 23 GEAR FEED 2 1 N S 24 SPRING TS 1 N S 25 PCB SENSOR 1 130N01367 26 PBA SUB SCF 1 140N62874 27 CBF HARNESS SCF GND 2 N S 28 CBF HARNESS SCF 1 N S 29 COVER M SIMM R2 1 N S 30 SHEET COVER SENSOR 1 N S 31 PMO ACTUATOR EMPTY 1 120N00425 32 IPR GND TOP 1 N S 33 SOLENOID HB MANUAL 1 N S 34 PMO LOCKER CST 2 N S 35 FOOT BACK 2 N S 36 FOOT FRONT 2 N S 37 SCREW ASS Y TAPT 1 N S 38 SCREW TAPTITE 4 39 ELA HOU MOTOR SCF 1 002N02351 39 1 BRKT P MOTOR SCF 1 39 2 BRKT P GEAR SCF 1 39 3 BRKT M FEED SCF 1 39 4 GEAR 61 47 IDLE 1 39 5 GEAR 59 IDLE 1 39 6 GEAR 35 IDLE 1 39 7 GEAR RDON 57 18 1 Service Manual Parts List 8 25 Parts List
109. st strap device connected to an earth ground source Wearing a wrist strap will also prevent accumulation of additional bodily static charges Be sure to remove the wrist strap before applying power to the unit under test to avoid potential shock After removing a static sensitive assembly from its anti static bag place it on a grounded conductive surface If the anti static bag is conductive you may ground the bag and use it as a conductive surface Do not use freon propelled chemicals These can generate electrical charges sufficient to damage some devices Do not remove a replacement component or electrical sub assembly from its protective package until you are ready to install it Immediately before removing the protective material from the leads of a replacement device touch the protective material to the chassis or circuit assembly into which the device will be installed Minimize body motions when handling unpackaged replacement devices Motion such as your clothes brushing together or lifting a foot from a carpeted floor can generate enough static electricity to damage an electro statically sensitive device Handle IC s and EPROM s carefully to avoid bending pins Pay attention to the direction of parts when mounting or inserting them on Printed Circuit Boards PCB s Service Manual 1 5 Precautions 1 6 WorkCentre PE 120 120i Reference Information 2 Reference Information This section contains a tools list list of
110. tal Printer damaged blade or low toner b Replace the toner cartridge and retest Digital Printer 2 The life of the toner cartridge has Replace the left and right bushings and I Drin or expired spring assemblies ee 3 The pressure force on the left and Clean the laser window Digita Printer right springs of the transfer roller Digital Printer are not even or the springs are i damaged 4 The transfer roller is improperly installed 5 The transfer roller bearings or holders are damaged 6 Laser window is dirty 7 10 WorkCentre PE 120 1201 7 3 8 Background Contamination Troubleshooting Example Possible Cause Sequence of Repair Actions Light or dark background contamination appears all over the paper Using unsupported media 2 Printing large quantities of low coverage 296 pages or not using the printer for a long period of time Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 3 The toner cartridge life has expired 4 The transfer rollers up down movement is off 5 There is a problem with the HVPS a Use only approved media b The toner cartridge is designed to print 5 000 sheets at 5 coverage If 2 is consistently used background contamination can occur Replace the toner cartridge Clean the transfer roller bushings Clean the high voltage terminals Replace the HVPS 2 9 7 3 9 Ghosting 1 Example Possible Ca
111. time a button key is pressed MODEM TEST This is used to hear various transmission signals to the telephone line from the modem It is also used to check the modem amplifier and speaker If no transmission signal sound is heard the modem piece on the main board amplifier speaker or speaker harness is faulty DRAM TEST This tests the systems DRAM The results appear on the LCD If all memory is working properly the LCD reports OK ROM TEST This tests the systems ROM The result and the software version appear on the LCD m FLASH VER V B ENGINE VER V PATTERN TEST This prints a test pattern to verify the system is function properly This is a factory use only test SHADING TEST This prints a test pattern to see if the scan quality determined by characteristics in the CCD are optimal If image quality is noticeably poor the CCD may need replacement This is a factory use only test 6 4 5 Report PROTOCOL LIST This list shows the sequence of the CCITT group 3 T 30 protocol during the most recent sending or receiving operation Use this list to check for send and receive errors SYSTEM DATA This list provides the user system data settings and tech mode settings 6 10 WorkCentre PE 120 120i 6 5 Engine Test Mode Alignment and Adjustments The engine test mode supplies functions to check the condition of each device in the print engine and displays the result of the test on the LCD It is divided int
112. tridge Digital Printer m Transfer roller 47 1 mm 7 6 WorkCentre PE 120 120i Troubleshooting 7 3 4 Black White Spot Example Possible Cause Sequence of Repair Actions Dark or blurry spots are randomly spread on the page or white spots are randomly on the page 1 If dark or blurry black spots appear a Print several OPC cleaning mode prints and uacua us the rollers in the developer may be then run the self test 2 or 3 times Digital Printer contaminated b 75 5 mm repeating defect Examine the x m Charge roller 37 7 mm surface of the OPC drum and clean with a Digital Printer 2 ded areas or voids appear C Mo defect Replace the mun i oner cartridge Diaital Printer every 75 5 mm or if black spots gl occur elsewhere the OPC drum d If the transfer roller is at its end of life Digital Printer surface is damaged replace the transfer roller d 3 Ifa black image is partially broken e 78 mm defect Replace the fuser the transfer voltage is incorrect or NOTE Cleaning the inside of the printer to remove the transfer roller is at its end of life excess toner or paper dust will reduce the 4 lf the spots appear at 78 mm the occurrence of this problem fuser heat roller is contaminated 7 3 5 Light Image Example Possible Cause Sequence of Repair Actions The printed image is too light with no ghosting 1 Toner Save mode is enabled a Turn Toner
113. tro static process and retained within the toner cartridge No waste toner to dispose of OPC Drum protecting shutter No Toner CRUM Reader Identifies whether toner is Xerox branded toner or whether a Non Xerox toner cartridge is installed in the printer 4 10 WorkCentre PE 120 120i Product Summary 4 3 Main Controller Board PBA The engine board and controller board have been integrated into a single board consisting of the CPU and printer control functions The CPU functions as the bus controller I O handler motor driver and PC interface The main board sends the current image video data to the laser unit and manages the electrophotographic printing process Circuits on the main board drive the main motor paper feed cartridge fuser clutch pre transfer lamp heat lamp and fan The signals from the paper feed jam sensor and paper empty sensor are inputted to the main board from the power supply board Network Card shown in illustration not available on the PE 120 a OLO DA 28 Service Manual 4 11 Product Summary 4 3 1 ASIC Completely integrated system for embedded applications 32 bit RISC architecture efficient and powerful ARMO core LSU interface module for interfacing PVC or HPVC with LSU 2 channel general purpose DMA controller for high speed I O Dual memory bus architecture Operation frequency AHB Bus 60 Mhz Internal system bus 120 Mhz Operation voltage 3 3 V Power on reset time below 5 6 ms
114. urpose Tray SMPS Switching Mode Power Supply MPU Main Processing Unit SPGPm Samsung system Graphic Processor NIC Network Interface Card SPL Samsung Printing Language NPC Network system Card Spool Simultaneous Peripheral Operation Online NVRAM Non volitale Random Access Memory SURF Surface Rapid Fusing OPC Organic Photo Conductor SW Switch OPE Operator Control Panel Sync Synchronous PABX PSTN Public Telephone Network T1 ITB or Transfer Belt Imaging PBA Print Board Assembly T2 Transfer Roller Imaging PCI Peripheral Component Interconnect TAD Telephone Answering Device PCL system Command Language TRC Toner Reproductive Curve PDF Portable Document Format URL Uniform Resource Locator PDL Page Description Language USB Universal Serial Bus Ping Packet Internet or Inter network WHQL Windows Hardware Quality Lab Grouper PnP Plug n Play PPD PostScript Printer Description Service Manual 2 3 Reference Information 2 3 Selecting a Location for the system Leave enough room to open the ADF system trays covers and allow for proper ventilation Provide the proper environment A sturdy level surface Away from the direct airflow of air conditioners heaters or ventilators Free from extreme fluctuations in temperature sunlight or humidity Clean dry and free from excessive dust 1018 6 mm 40 1 in gt co CO T sr c E oO N CO St 650 mm 25 6 in 2 4 WorkCenter PE 120 120i Specifications 3
115. use Sequence of Repair Actions There is ghosting at 75 5 mm intervals from the OPC drum while printing on card stock transparencies or using the MPT 1 When printing on card stock thick paper or transparenices a higher transfer voltage is required Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer a Ensure supported media is being used and the correcy type is selected in the printer driver and software application Service Manual 7 11 Troubleshooting 7 3 10 Ghosting 2 Example Possible Cause Sequence of Repair Actions Ghosting appears at 75 5 mm on the whole print 1 Bad contacts caused by contamination from toner particles between the high voltage terminals the printer and the electrodes of the toner cartridge Clean all high voltage contacts Replace the HVPS Replace the toner cartridge Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Replace the transfer roller 9 5 9 2 Bad contacts caused by Replace the main board contamination from toner particles between the high voltage terminals the printer and the one on the high voltage supply board 3 The toner life has expired 4 The transfer life has expired 5 The ambient temperature is too low 6 There is a damaged cleaning blade in the toner cartridge 7 3 11 Ghosting 3 Example Possible Cause
116. v6I NHV o e asn 92 aNze NvHOS P 4 HOSN3S llX3 MS HAMOd Wd9dS oso v8craaal 8 LAIN eezxawe NOHI009 eseH ERE GI HOSN3S no maawa i INTs XHOMISN 9 Service Manual Block Diagram 9 2 WorkCentre PE 120 120i Connection Diagram iagram D lon 10 Connect 1SOH asn HOLN19 NIVIA HOLN19 di Ld YOLSINYAHL 290I41HvV9 dS euoud 1X4 ANI nri eating UNS NaS 0334 ZNO N3S LIX3 NAS d a d HOSN3S dW YOSNAS SdAH SANS TWNODIS SAvet TWNDIS AS YALSINYSAHL YALSINYAHL GN9G l1nOQ NIG 1HVO M19 1HVO AE t dS dS dqu 3l1ON3H AS XL WAGON ONIHU IXL WAGON 3NOHd LX QNOC WO XH WAGON avau NSI NO d u AS SAvCt YOLOWdU AQv3uW X10 nsl MS dMd NVA daasna 96 NO H3SfH yc LIX3 qu 66 INMd AHN OC N3 AHL 8L GND Ob Avo vb ALda du SAYS ZL LL QNO QNOD OL 6 e 9 G AS qaad d Aldi d Z ve L pa NIVIN Lan v 0HN IYIN c OYIN L QN9G LLOL68Z SAve 9 Ad 39S 8 H19 39S v QNO 39S SIS 49Su z Agvet SOd d dave 53H d daw 13d save 130 d save VN JQV v JQv 6 a dav 8 VHd dav Z 8Hd dav 9 aN dav S AS Ave 2 AN9A SI LIVE aN ogn IVW c OYIN L H3MOd ANI Aver ANOH 000 AGF dO Id 499 GNOG pa 0e 21 OL H

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