Lexmark X502n Service Manual

Lexmark X502n Manual

Get Lexmark X502n PDF manuals and user guides View all Lexmark X502n manuals
Add to My Manuals
Save this manual to your list of manuals

Lexmark X502n manual content summary:

  • Lexmark X502n | Service Manual - Page 1
    Lexmark X500n-X502n MFP 7100-XXX • Table of contents • Start diagnostics • Safety and notices • Trademarks • Index Lexmark and Lexmark with diamond design are trademarks of Lexmark international, inc., registered in the United States and/or other countries.
  • Lexmark X502n | Service Manual - Page 2
    Lexmark with diamond design is a trademark of Lexmark international, inc., registered in the United States and/ or other countries. All other trademarks are the property of their respective owners. © 2007 Lexmark International, Inc. All rights reserved. UNITED STATES GOVERNMENT RIGHTS This software
  • Lexmark X502n | Service Manual - Page 3
    clutch service check 2-18 Transfer belt cleaning roller clutch service check 2-18 Paper feed clutch service check 2-19 Registration clutch service check 2-19 OPC belt marker sensor service check 2-20 Erase lamp service check 2-21 Power supply fan service check 2-22 Fuser fan service check
  • Lexmark X502n | Service Manual - Page 4
    2-33 Transfer roller missing service check 2-34 Cover open service check 2-35 OPC belt (photodeveloper) cartridge drive service check 2-36 Missing fuser service check 2-36 Paper size sensing service check 2-37 Printer no power service check 2-38 Toner feed service check 2-39 Waste toner feed
  • Lexmark X502n | Service Manual - Page 5
    Handling 4-3 MFP removals 4-4 Cleaning roller cover removal 4-4 Transfer belt cleaning roller removal 4-4 Transfer belt unit removal 4-5 Transfer roller removal 4-6 Fuser assembly removal 4-6 Waste toner bottle removal 4-7 Photodeveloper cartridge removal 4-8 Secondary paper feed assembly
  • Lexmark X502n | Service Manual - Page 6
    Scanner arm removal 4-52 ADF unit removal 4-53 ADF mechanism cover removal 4-55 Operator panel removal 4-57 Locations and connectors 5-1 Printer front and rear views 5-1 Scanner locations 5-3 Electronic components 5-4 Printer engine sensor locations 5-4 MFP circuit board locations 5-5 Fan
  • Lexmark X502n | Service Manual - Page 7
    7100-XXX Parts catalog 7-1 How to use this parts catalog 7-1 Index I-1 Part number index I-5 Table of contents vii
  • Lexmark X502n | Service Manual - Page 8
    7100-XXX viii Service Manual
  • Lexmark X502n | Service Manual - Page 9
    in the wavelength region of 770-795 nanometers. The laser system and printer are designed so there is never any human access to laser radiation above a Class I level during normal operation, user maintenance, or prescribed service condition. Laser Der Drucker erfüllt gemäß amtlicher Bestätigung der
  • Lexmark X502n | Service Manual - Page 10
    galliumarsenid laser, som arbejder på bølgelængdeområdet 770-795 nanometer. Lasersystemet og printeren er udformet således, at mennesker aldrig udsættes for en laserstråling over Klasse I-niveau ved normal drift, brugervedligeholdelse eller obligatoriske servicebetingelser. x Service Manual
  • Lexmark X502n | Service Manual - Page 11
    utsätts för laserstrålning över Klass I-nivå vid normal användning, underhåll som utförs av användaren eller annan föreskriven serviceåtgärd. Laser-melding Skriveren er godkjent i USA etter kravene i DHHS 21 CFR, underkapittel J, for klasse I (1) laserprodukter, og er i andre land godkjent som et
  • Lexmark X502n | Service Manual - Page 12
    Avís sobre el Làser Segons ha estat certificat als Estats Units, aquesta impressora compleix els requisits de DHHS 21 CFR, apartat han sigut concebuts de manera que mai hi hagi exposició a la radiació làser per sobre d'un nivell de classe I durant una operació normal, durant les tasques de
  • Lexmark X502n | Service Manual - Page 13
    7100-XXX Notices and safety information xiii
  • Lexmark X502n | Service Manual - Page 14
    7100-XXX xiv Service Manual
  • Lexmark X502n | Service Manual - Page 15
    Lexmark confidential maintenance information for this product has been prepared for use by a professional service person and is not intended to be used by others. • There e dei componenti specifici. Il produttore non è responsabile per la sicurezza in caso di sostituzione non autorizzata delle
  • Lexmark X502n | Service Manual - Page 16
    çar, desligue o produto da tomada eléctrica ou seja cuidadoso caso o produto tenha de estar ligado à corrente eléctrica para realizar a tarefa necessária. -xvi Service Manual
  • Lexmark X502n | Service Manual - Page 17
    Lexmark confidential until announce edited 1/4/2007 7100-XXX Informació de Seguretat • La seguretat d'aquest producte es esteu treballant és perillós. Abans de començar, desendolleu l'equip o extremeu les precaucions si, per treballar amb l'equip, l'heu de connectar. Safety information -xvii
  • Lexmark X502n | Service Manual - Page 18
    incinerate a lithium battery. Discard used batteries according to the manufacturer's instructions and local regulations. Lithium-Information ACHTUNG: Auf Ihrer Systemplatine befindet sich eine Batterien die Anweisungen des Herstellers und die örtlichen Bestimmungen. -xviii Service Manual
  • Lexmark X502n | Service Manual - Page 19
    checks used to isolate failing field replaceable units (FRUs). 3. Diagnostic aids contains tests and checks used to locate or repeat symptoms of printer problems. 4. Repair information provides instructions for making printer adjustments and removing and installing FRUs. 5. Connector locations uses
  • Lexmark X502n | Service Manual - Page 20
    7100-XXX -xx Service Manual
  • Lexmark X502n | Service Manual - Page 21
    7100-XXX 1. General information The Lexmark™ X500n and X502n are color laser MFPs that combine print, scan, copy, and fax functions. The X500n and X502n are the ideal MFPs for presentations, business graphics, line art, and text. They use laser diode electrophotographic technology to deliver
  • Lexmark X502n | Service Manual - Page 22
    • Macintosh OS X version 10.2-10.4 and above. (Power PC and Intel) The software applications that operate with most Apple LaserWriter printers will generally operate with this printer. Download the latest Lexmark printer PPD files or printer drivers from www.lexmark.com. 1-2 Service Manual
  • Lexmark X502n | Service Manual - Page 23
    XP Professional • Microsoft Windows Server 2003 • Microsoft Windows Vista 32/64 bit Download the latest printer drivers from http://www.lexmark.com. The Windows software applications, which operate in the operating systems listed above, are best suited to run with the drivers supplied with this MFP
  • Lexmark X502n | Service Manual - Page 24
    ) 28 in (711 mm) 10 in (254 mm) 16 in (400 mm) Packaging and shipping dimensions Width MFP* in mm X500n / X502n 23.4 595 Options 10 in (254 mm) 16 in (400 mm) Height in mm 29.9 760 10.9 277 Weight lb kg 77 42.0 18.7 8.5 X5xxn 0 W 670 W 35 W 200 W 11 A 6 A 6.0 A 3.0 A 1-4 Service Manual
  • Lexmark X502n | Service Manual - Page 25
    power off 5 to 35°C (41 to 95°F) Air relative humidity 15 to 80% Altitude 0-2,500 m (0-8,200 ft.) Ship / Storage Temperature-printer and supplies Relative humidity 0 to 35°C (32 to 95°F)* 10 to 90% RH Atmospheric pressure 613 to 1607 hPa (460 to 800 mm Hg) *Severe High 35 to 40°C (95 to
  • Lexmark X502n | Service Manual - Page 26
    x 600 dpi, 1200 x 600 dpi Color balance settings This MFP offers color balance control. It is a color correction option that allows you to increase or decrease the amount of toner going to the page for all four color planes. The scale ranges from -10 to +10. Emulations Raster Graphics (CMYK bi-tone
  • Lexmark X502n | Service Manual - Page 27
    and MFP operating environment. The capacities listed are based on plain paper at 75 g/m2. Sources and capacities X500n / X502n a 530-sheet capacity drawer. Only one optional drawer may be installed at any time. 2The MFP supports top output (facedown) as standard. No additional output options are
  • Lexmark X502n | Service Manual - Page 28
    and weights Source Type Standard tray Legal tray 530-Sheet tray MFP menu Item Paper1,2 (grain long) Xerographic or bond paper office environment is supported. 3 Only PN 12A5940 and 12A5941 should be used. There is no automatic paper type sensing. These settings should be manually set in the
  • Lexmark X502n | Service Manual - Page 29
    5.83 x 8.27 X X 182 x 257 7.17 x 10.1 XX X Letter 216 x 279.4 8.5 x 11 X XX X Legal 216 x 356 8.5 MFP formats the page for the maximum size 8.5 X 14 in(215.9 X 355.6 mm). Set the actual size from your software application. 2 Supported through the driver. 3 B5 may be supported
  • Lexmark X502n | Service Manual - Page 30
    to FTP, scan to host PC Yes True color, grayscale, black & white Yes Yes Yes TCP/IP and an SMTP gateway SMTP authentication, POP3 before SMTP By Web page Set up in scan profile By Web page By profile name 20 characters maximum. Entered by the Web page interface TIFF, JPEG, PDF 1-10 Service Manual
  • Lexmark X502n | Service Manual - Page 31
    Scan once print many Yes Limitless paper feed Yes scanner and printer warm-up time. Fax specifications Phone network connectivity Phone networks types supported Compatibility Modem speed Compression Both PSTN and PABX are supported. T30(ITU-T Super G3) is supported. Color fax is not supported
  • Lexmark X502n | Service Manual - Page 32
    7100-XXX Document Sizes supported ADF width ADF length ADF capacity Flatbed width Flatbed length Scanning width Printing width 5.5 to 8.5 inches (139.7 to Memory transmission Page retransmission Error correction mode Broadcasting Reception FAX only mode Manual mode Standard 1-12 Service Manual
  • Lexmark X502n | Service Manual - Page 33
    MFP User's Guide for additional media specifications. Paper • Rough, highly textured, limp, or pre-curled papers will result in lower print quality and more frequent paper feed failures. • Colored laser printers with windows, holes supported in tray 1 (standard or legal trays). General information 1-13
  • Lexmark X502n | Service Manual - Page 34
    should be selected using guidelines found in the User's Guide, Complete Printer Guide, or the Card stock & Label Guide (located at www.lexmark.com), and tested for acceptability. • Vinyl labels are not supported. • Labels are only supported in tray 1 (standard or legal trays). Glossy Paper • Use
  • Lexmark X502n | Service Manual - Page 35
    printer is on a single, flat, strong table or desk top. • Inspect all supplies (OCR, cartridges, photodevelopers/toner cartridges, belts, fuser maintenance kits and paper sources (cassettes, trays, feeders, duplex drawers, finisher, mailbox trays) for obvious damage and proper installation (paper
  • Lexmark X502n | Service Manual - Page 36
    Look for serial number information on the right cover and the inside of the front cover of your MFP. Tools required for service The removal and adjustment procedures described in this manual require the following tools and equipment: • Analog volt ohmmeter (A digital volt ohmmeter may also be used
  • Lexmark X502n | Service Manual - Page 37
    LED LV LVPS MFP NVRAM MH MMR MR OEM PABX POR POST PQET PSTN RIP SMTP SDRAM SNMP TAD TCP/IP VAC VDC WINS Automatic document feeder Application specific integrated circuit Boot protocol Charge coupled device Dynamic domain name service Dynamic host configuration protocol Dots per inch Dynamic random
  • Lexmark X502n | Service Manual - Page 38
    7100-XXX 1-18 Service Manual
  • Lexmark X502n | Service Manual - Page 39
    user with information explaining a problem with a print cartridge, paper jam, option, port, and so on. If a user error message displays, go to the"User attendance messages" on page 2-8. The User Messages section sometimes allows a servicer to isolate printer problems. This section also gives actions
  • Lexmark X502n | Service Manual - Page 40
    MFP menus Copy Settings Paper Select Sort Density Quality Reduce/Enlarge Machine Settings Speaker Volume Paper Settings Job Timeout Auto Continue Toner Saver Mode Supplies info Scanner Carriage Network Settings Ethernet IP Configuration Reports Print Configuration Page Lock 2-2 Service Manual
  • Lexmark X502n | Service Manual - Page 41
    service check" on page 2-43. incorrect data is detected in the NVRAM during data confirmation process at power-on. 1. POR the machine. 2. If problem persists, replace the controller board. Defective engine controller board is causing faulty data transmission between ASIC and CPU. POR the printer
  • Lexmark X502n | Service Manual - Page 42
    Call Transfer Belt Sensor E5 Service Call Transfer Roller Clutch E6 Service Call Transfer Cleaner Solenoid E7 Service Call P feed Clutch Tray 1 E8 Service Call Registration Clutch E9 Service Call OPC Marker Sensor EL Service Call Erase Lamp F0 Service Call Power Supply Fan F4 Service Call Fuser Fan
  • Lexmark X502n | Service Manual - Page 43
    abnormal temperature. See "Fuser assembly service check" on page 2-24. Laser scanning beam is not detected by beam sensor. See "Laser unit assembly service check" on page 2-25. Scanner motor (SM) is rotating abnormally. See "Laser unit assembly service check" on page 2-25. Laser power is lower than
  • Lexmark X502n | Service Manual - Page 44
    install the upper or lower tray. If the problem missing. persists, see "Paper tray missing service check" on page 2-30. The toner is low in the cartridge indicated. See "Toner low/empty service check" on page 2-31. The MFP to another device failed. The scanner is scanning in the flatbed or ADF
  • Lexmark X502n | Service Manual - Page 45
    Message TAD Answering Answering incoming Call Warming Up 7100-XXX Description Action A telephone call is being These are the normal operating modes. received. The fax is answering an in coming call. There is an incoming call on the phone line The MFP is warming up. Diagnostic information 2-7
  • Lexmark X502n | Service Manual - Page 46
    unit. page 4-8. Replace with a new OPC See "Photodeveloper cartridge removal" on unit. page 4-8. Replace with a new fuser See "Fuser assembly removal" on page 4-6. unit. Replace with a new transfer belt unit. See "Transfer belt unit removal" on page 4-5. The fuser is not installed. If fuser
  • Lexmark X502n | Service Manual - Page 47
    toner cartridge service check" on page 2-32. Missing install Toner (C,M,Y,K) A toner cartridge is not keyed properly. install proper brand of toner cartridge. If problem persists, see "Missing toner cartridge service check" on page 2-32. Missing install OPC Belt The OPC belt cartridge is
  • Lexmark X502n | Service Manual - Page 48
    Out of Memory Scan Memory Full Communication Error Server Connection Failed (TX / RX) Comm Error CPU fan locked Description Action The USB connection is disconnected. See "USB service check" on page 2-40. The network connection is See "Network service check" on page 2-40. disconnected. Another
  • Lexmark X502n | Service Manual - Page 49
    belt unit makes noise when rotated or does not rotate at all. The transfer roll is not transferring images or does not turn. No power Waste toner feed problems Fans not working or making noise. Print/image problems Photodeveloper cartridge does not rotate or makes noise. Black copies from scanner
  • Lexmark X502n | Service Manual - Page 50
    dial tone when sending a fax. Lines on outbound fax documents Words and images on inbound fax documents are stretched out. Action See "Modem / fax card service check" on page 2-43. Check the flatbed glass for scratches or marks. The sending machine had a temporary jam. 2-12
  • Lexmark X502n | Service Manual - Page 51
    See "White band service check" on page 2-63. See "Toner drop service check" on page 2-59. See "White spot / black spot service check" on page 2-65. See "Mixed color image service check" on page 2-54. See "Color misregistration service check" on page 2-49. See "Mottle service check" on page 2-55. See
  • Lexmark X502n | Service Manual - Page 52
    . See "Right cover removal" on page 4-13. Open top cover and override top cover interlock switch. Restart printer, and observe main motor and photodeveloper cartridge OPC belt. Does main motor attempt to turn but OPC belt will not rotate? Observe main motor and fuser. Does main motor attempt to turn
  • Lexmark X502n | Service Manual - Page 53
    22-24VDC Pin 13 to pin 14-5VDC Are voltages present? Reassemble and retest printer. Does error clear? Yes No Replace engine controller board. See "Engine controller board removal" on page 4-34. Go step 9. Problem solved. Replace cable that connects ACN1 on LVPS to POCN on engine controller board
  • Lexmark X502n | Service Manual - Page 54
    ? Replace toner cartridge (customer-ordered supply). Go to step 2. Go to step 4. Does noise go away? Problem solved. Replace developer drive assembly. See "Developer drive assembly removal" on page 4-22. Go to step 3. Does noise go away? Problem solved. Go to step 4. Turn printer off, and
  • Lexmark X502n | Service Manual - Page 55
    to pin 14-5VDC Are voltages present? 8 Reassemble and retest printer. Does error clear? Transfer belt unit service check Yes No Replace engine controller board. See "Engine controller board removal" on page 4-34. Go step 8. Problem solved. Replace cable that connects ACN1 on LVPS to POCN on
  • Lexmark X502n | Service Manual - Page 56
    "Clutch removal" on page 4-27. Replace cable. If problem persists, replace faulty transfer roller clutch. See "Clutch removal" on page 4-27. Transfer belt cleaning roller clutch service check Step 1 2 3 Questions / actions Yes No Turn printer off, and remove printer right cover. See "Right
  • Lexmark X502n | Service Manual - Page 57
    clutch. See "Clutch removal" on page 4-27. Replace cable. If problem persists, replace faulty paper feed clutch. See "Clutch removal" on page 4-27. Registration clutch service check Step 1 2 3 Questions / actions Yes No Turn printer off, and remove printer right cover. See "Right cover removal
  • Lexmark X502n | Service Manual - Page 58
    OPC belt marker sensor service check Step 1 2 3 4 5 6 Questions / actions Yes No Remove photodeveloper cartridge and check for defects. Does photodeveloper appear okay? Observe markers on side. Are belt markers covered with foreign particles? Reinstall photodeveloper cartridge. Turn printer
  • Lexmark X502n | Service Manual - Page 59
    2. Properly connect erase lamp. Retest printer. If error clears, problem solved, otherwise go to step 2. Replace erase lamp. See "Erase lamp removal" on page 4-20. Retest printer. If error clears, problem solved, otherwise remove toner cartridges and photodeveloper cartridge and go to step 3. Go
  • Lexmark X502n | Service Manual - Page 60
    supply fan assembly. See "Power supply fan removal" on page 4-48. Retest printer. If error clears, problem solved, otherwise go to step 3. Replace engine controller board. See "Engine controller board removal" on page 4-34. Properly connect cable. Go to step 3. Replace cable. Fuser fan service
  • Lexmark X502n | Service Manual - Page 61
    Remove photodeveloper cartridge, and ensure charging unit on bottom of photodeveloper cartridge is not damaged. Is charging unit damaged? Check charging unit high voltage contacts in printer. Are they clean? Replace photodeveloper cartridge. See "Photodeveloper cartridge removal" on page 4-8. Has
  • Lexmark X502n | Service Manual - Page 62
    -XXX Fuser thermistor service check Step 1 2 3 4 Questions / actions Yes Remove and reinstall fuser assembly. See "Fuser assembly removal" on page 4-6. Does error clear? Problem solved. Check fuser connector for damage. Replace Problem solved. if necessary. Does error clear? Turn printer off
  • Lexmark X502n | Service Manual - Page 63
    properly connected? 3 Check cable that connects engine controller Replace laser unit board LCN and LDU LCN connectors for assembly. "Upper power supply (HVPS) removal" on page 4-39. Retest printer. If error clears, problem solved, otherwise turn printer off and replace engine controller board
  • Lexmark X502n | Service Manual - Page 64
    printer. Does error clear? Problem solved. No Properly connect cable. Retest printer. If error clears, problem solved, otherwise go to step 2. Replace cable. Retest printer. If error clears, problem solved, otherwise go to step 3. Go to step 4. Contact higher level support. 2-26 Service Manual
  • Lexmark X502n | Service Manual - Page 65
    6 pin 3 pin 8 pin 4 pin 9 pin 5 pin 10 pin 6 Also check for shorted pins. Is cable okay? Replace toner empty sensor (receiver-TTR). See "Toner sensor (receiver) removal" on page 4-42 for steps. Retest printer. Does error clear? Problem solved. Replace engine controller board. See "Engine
  • Lexmark X502n | Service Manual - Page 66
    controller board removal" on page 4-34. Does error clear? Go to step 2. Go to step 3. Problem solved. Problem solved. No Properly connect cable. Retest printer. If error clears, problem solved, otherwise go to step 2. Replace cable. Go to step 4. Contact higher level support. 2-28 Service Manual
  • Lexmark X502n | Service Manual - Page 67
    Tray empty service check Step 1 2 3 4 5 6 7 8 Questions / actions Yes No Remove paper tray from printer. Press bottom pin 14. Is 0 VDC present? Turn printer off. Remove paper guide (C) assembly. See "Paper guide C assembly removal" on page 4-31. Check cable for continuity that connects MCN9
  • Lexmark X502n | Service Manual - Page 68
    removal" on page 4-34. Replace paper size sensor. See "Left tray guide assembly removal" on page 4-42. Properly connect cable. Go to step 3. Go to step 4. Go to step 5. Replace cable by replacing the left tray guide assembly. See "Left tray guide assembly removal" on page 4-42. 2-30 Service Manual
  • Lexmark X502n | Service Manual - Page 69
    or 8 for specific color as dictated by list below: MCN8 pin2-black(K) pin4-yellow(Y) pin6-magenta(M) pin8-cyan(C) Slightly remove toner cartridge in question. Voltmeter should read approximately 4.8 VDC. Continue to slowly slide toner cartridge out of printer while noting voltmeter reading. Voltage
  • Lexmark X502n | Service Manual - Page 70
    6. Go to step 7. install toner cartridge. Check voltage level on MCN2 pin 1. Is 0 VDC present? Replace engine controller board. See "Engine controller board removal" on page 4-34. Replace toner present sensor. See "Toner present sensor removal" on page 4-41. Turn printer off. Check cable for
  • Lexmark X502n | Service Manual - Page 71
    7100-XXX Missing photodeveloper cartridge service check Step 1 2 Questions / actions Check photodeveloper cartridge for proper installation. Is cartridge installed properly? Check printer contacts (A) and photodeveloper cartridge contacts (B) for dirt and damage. Are contacts okay? Yes Go to
  • Lexmark X502n | Service Manual - Page 72
    registration assembly. See "Registration assembly removal" on page 4-33. B 2 Replace engine controller board. See Problem solved. "Engine controller board removal" on page 4-34. Does error clear? Replace HVPS. See "High voltage power supply (HVPS) removal" on page 4-39. 2-34 Service Manual
  • Lexmark X502n | Service Manual - Page 73
    7100-XXX Cover open service check Step 1 2 3 4 5 Questions / actions Yes Turn printer off, and remove right cover. See "Right cover removal" on page 4-13. Check all interlock switch (top, rear and front) actuators for proper operation. Are actuators good? Go to step 2. Check each interlock
  • Lexmark X502n | Service Manual - Page 74
    7100-XXX OPC belt (photodeveloper) cartridge drive service check Step 1 2 3 Questions / actions Yes No Check photodeveloper cartridge for proper installation. Is cartridge installed properly? Check photodeveloper cartridge for damage. Is cartridge damaged? Check main motor assembly for damage.
  • Lexmark X502n | Service Manual - Page 75
    service check Step 1 2 3 4 5 Questions / actions Yes No Turn printer off, and remove engine controller board shield. See "Engine controller board removal" on page guide assembly. See "Left tray guide assembly removal" on page 4-42. Paper tray setting Standard tray A4 Letter EXE B5J B51 #10
  • Lexmark X502n | Service Manual - Page 76
    check Note: If secondary paper feed assembly or duplex unit is installed, disconnect or remove before checking base printer operation. Step 1 2 3 4 5 6 7 Questions / actions Yes No Reset printer, and listen for any activation of motors and for power supply fan. Look at operator panel to see
  • Lexmark X502n | Service Manual - Page 77
    removal" on page 4-22. Go to step 2. Go to step 3. Contact higher level technical support. Waste toner feed service check Step 1 2 3 4 5 6 Questions / actions Yes No Is transfer belt unit cleaning roller properly installed? Check cleaning roller clutch gear (located inside printer) for damage
  • Lexmark X502n | Service Manual - Page 78
    problem? No Go to step 2. Properly connect the cable to the RJ-45 jack. Go to step 5. Have the network admin create a port on the host PC matching the IP address on the MFP. Assign the new port to the driver. Replace the system board. See "System board removal" on page 4-36. 2-40 Service Manual
  • Lexmark X502n | Service Manual - Page 79
    -XXX Scanner / Copy / Fax service checks Black page copy service check Step 1 2 3 Questions / actions Yes Print a menu page, or a page from the host. Is the page black? Is the CCD ribbon cable properly connected to J-CCD on the system board? See "High voltage power supply (HVPS) service check
  • Lexmark X502n | Service Manual - Page 80
    feed service check Step 1 2 3 4 5 6 7 8 9 10 11 Questions / actions Yes No If the ADF is multi-feeding, check for dirt on the ADF separator pad and ADF separator rollers. Are they dirty? If the paper is skewing when it is fed into the ADF, check the paper guide on page 4-36. 2-42 Service Manual
  • Lexmark X502n | Service Manual - Page 81
    7100-XXX Modem / fax card service check Step 1 2 3 4 Questions / actions Is the phone line signals or voltages present? Go to step 4. Replace the modem card. See "Modem card removal" on page 4-45. No Properly connect the phone line to the modem card and wall jack. Properly connect the modem
  • Lexmark X502n | Service Manual - Page 82
    7100-XXX Paper feed service checks Printer paper feed service check Problem area 1 Check for recommended paper 2 Paper tray 3 • Paper feed roller • Separator pad 4 • Registration roller • Transfer roller 5 Transfer belt unit 6 Transfer belt unit cleaning roller 7 Fuser assembly 8
  • Lexmark X502n | Service Manual - Page 83
    . If damaged or deformed, replace toner cartridge. 3 Photodeveloper (OPC) cartridge Photodeveloper cartridge has reached life or is failing. Replace photodeveloper cartridge. See "Photodeveloper cartridge removal" on page 4-8. Note: Photodeveloper cartridge is a customer-ordered supply. 4 High
  • Lexmark X502n | Service Manual - Page 84
    XXX Back stain service check Backside of paper is stained. Problem area 1 Fuser assembly 2 Transfer roller Action • Fuser roller and back-up roller are stained. • Fusing offset error occurred. Replace fuser assembly. See "Fuser assembly removal" on page 4-6. Note: Fuser assembly is a customer
  • Lexmark X502n | Service Manual - Page 85
    Banding service check 7100-XXX A banding line appears in horizontal direction. Problem area 1 Photodeveloper (OPC) cartridge 2 Toner cartridge Action Transfer failure due to uneven rotational speed caused by a shock which occurs when the seam of the OPC belt passes over the cleaning blade.
  • Lexmark X502n | Service Manual - Page 86
    service check A fine black line appears in printer image. Problem area 1 Toner cartridge 2 Photodeveloper (OPC) cartridge 3 Debris Action Toner cartridge blade is deformed. Replace toner cartridge. OPC belt surface is damaged. Replace photodeveloper cartridge. See "Photodeveloper cartridge
  • Lexmark X502n | Service Manual - Page 87
    caused when toner cartridge contacts OPC belt. Ensure toner cartridge is properly installed. 3 Photodeveloper cartridge OPC belt is off track. Replace photodeveloper cartridge. See "Photodeveloper cartridge removal" on page 4-8. 4 Transfer belt unit Note: Photodeveloper cartridge is a customer
  • Lexmark X502n | Service Manual - Page 88
    insufficient fusing service check Printed image is partially missing. Problem area 1 Fuser tension release lever 2 Driver media settings 3 Non-recommended paper 4 Fuser Action Fuser tension release lever is open. Check fuser, and remove shipping pieces if still installed. Close release
  • Lexmark X502n | Service Manual - Page 89
    insufficient gloss service check 7100-XXX Gloss on paper is not sufficient. Problem area 1 Driver media settings 2 Fuser Action Driver media setting is wrong. Ensure proper media setting is selected for specific media in use. Fuser roller is deteriorated. Fuser temperature is not properly
  • Lexmark X502n | Service Manual - Page 90
    assembly Action Replace faulty photodeveloper cartridge. See "Photodeveloper cartridge removal" on page 4-8. Note: Photodeveloper cartridge is a customer order supply. • Irregular rotation of main motor assembly • Main motor assembly gear unit failure • Variation of OPC belt running speed due to
  • Lexmark X502n | Service Manual - Page 91
    Missing image at edge service check 7100-XXX Image has missing or peeling toner at edge. Problem area 1 Toner cartridge 2 Photodeveloper cartridge Action Too small a toner mass amount and charging amount in the development process. Replace toner cartridge. OPC belt is deformed and wavy.
  • Lexmark X502n | Service Manual - Page 92
    7100-XXX Mixed color image service check Mixed color image appears. Problem area 1 Toner cartridge 2 Transfer roller clutch 3 Transfer belt unit cleaning roller clutch Action Ensure toner cartridge moves in and out of printer without a lot of resistance. Compare toner cartridge in question
  • Lexmark X502n | Service Manual - Page 93
    Mottle service check 7100-XXX Variation of optical density is found in image. Problem area 1 Rear cover assembly 2 Transfer roller 3 Paper 4 Toner cartridge 5 HVPS Action Rear cover assembly is not fixed in place. Open rear cover assembly, and close properly. Transfer roller is not
  • Lexmark X502n | Service Manual - Page 94
    7100-XXX Residual image service check Image of preceding page appears on every other page. Problem area 1 Transfer unit cleaning roller 2 HVPS Action Cleaning roller is not installed properly. Remove and reinstall. Ensure left side of cleaning roller is making good contact with HVPS contact.
  • Lexmark X502n | Service Manual - Page 95
    the toner. If problem persists, replace toner cartridge. Open rear cover assembly, and close properly. Photodeveloper OPC belt is off rack and becomes deformed during operation. Replace photodeveloper cartridge. See "Photodeveloper cartridge removal" on page 4-8. Note: Photodeveloper cartridge is
  • Lexmark X502n | Service Manual - Page 96
    7100-XXX Smear service check The entire image appears smudged. Problem area 1 Photodeveloper cartridge (OPC belt) and transfer belt Action This print quality issue is usually accompanied by a paper jam. Remove the photodeveloper cartridge, and check for a piece of paper on the rear side of the
  • Lexmark X502n | Service Manual - Page 97
    by ambient toner within printer engine. Problem area 1 Waste toner feed system • Waste toner auger • Waste toner feeder 2 Transfer unit cleaning roller 3 Toner cartridge Action Toner drops on the transfer drum due to a breakdown of the waste toner feed system. • Waste toner auger mylar
  • Lexmark X502n | Service Manual - Page 98
    in printed image. Problem area 1 Photodeveloper cartridge (OPC belt) and transfer belt 2 Transfer unit cleaning roller and waste toner auger Action Foreign particles (dust and so on) adhere to parts located around photodeveloper cartridge and transfer belt unit which consequently contact
  • Lexmark X502n | Service Manual - Page 99
    vertical direction. Problem area 1 Printer vibration 2 Laser unit assembly (printhead) Action Check for printer vibrations or shock to printer. Optical unit failure caused by vibration from scanner motor rotation. Replace laser unit assembly. See "Upper right rear cover removal" on page 4-17
  • Lexmark X502n | Service Manual - Page 100
    . Problem area 1 Toner cartridge 2 Photodeveloper cartridge 3 Transfer belt unit Action Replace faulty toner cartridge. Replace faulty photodeveloper cartridge. See "Photodeveloper cartridge removal" on page 4-8. Replace faulty transfer belt unit. See "Transfer belt unit removal" on page
  • Lexmark X502n | Service Manual - Page 101
    portion of image. Problem area 1 Transfer roller 2 Transfer roller clutch Action • Transfer roller bias pole is not making proper contact with high voltage spring contact. Remove and reinstall transfer roller. Ensure spring contact on left side (looking from front of printer) is not damaged
  • Lexmark X502n | Service Manual - Page 102
    printed image. Problem area 1 Laser unit assembly (printhead) 2 Toner cartridge Action Dust-proof glass of laser unit is smeared with toner or foreign particles. Clean glass: • Remove toner cartridges and photodeveloper cartridge. See "Photodeveloper cartridge removal" on page 4-8. • Open dust
  • Lexmark X502n | Service Manual - Page 103
    appear on paper. Problem area 1 Photodeveloper cartridge 2 Transfer belt unit 3 Toner cartridge 4 Transfer roller Action There are foreign particles adhering to photodeveloper OPC belt. Remove photodeveloper cartridge (see "Photodeveloper cartridge removal" on page 4-8). Lightly wipe off
  • Lexmark X502n | Service Manual - Page 104
    7100-XXX White print service check Blank page (no print at all) is printed or, a specific color is missing. Problem area 1 Optical Unit (Printhead) 2 Transfer roller 3 HVPS 4 Toner cartridge Action Solid white print Laser light path is blocked by paper or other material stuck at the
  • Lexmark X502n | Service Manual - Page 105
    printer. Replace paper with recommended paper. Open rear cover assembly and reclose, ensuring that both sides properly latch. • Ensure fuser assembly is properly installed and that both locking levers are locked. See "Fuser assembly removal" on page 4-6. • Replace faulty fuser assembly. Note: Fuser
  • Lexmark X502n | Service Manual - Page 106
    . Clean laser beam opening. Toner cartridge has insufficient amount of toner. Replace toner cartridge. Replace faulty photodeveloper cartridge. See "Photodeveloper cartridge removal" on page 4-8. Replace faulty transfer belt unit. See "Transfer belt unit removal" on page 4-5. 2-68 Service Manual
  • Lexmark X502n | Service Manual - Page 107
    Transfer belt drive roller (part of transfer belt unit) Transfer belt cleaning roller OPC belt charge brush (part of photodeveloper charging system) OPC belt charge roller (part of photodeveloper charging system) OPC belt drive gear shaft OPC belt drive roller Fuser roller (part of fuser) Fuser belt
  • Lexmark X502n | Service Manual - Page 108
    7100-XXX 2-70 Service Manual
  • Lexmark X502n | Service Manual - Page 109
    the problem. Understanding the MFP operator panel . The use of the buttons and the layout of the operator panel is described in the following table. Number Button 1 LCD Display 2 Alpha / Numeric Keys 3 Black Start 4 Color Start 5 Stop / Clear 6 Menu Keys 7 Copy LED 8 Scan LED
  • Lexmark X502n | Service Manual - Page 110
    Fax with one shift key to switch to 20 sets. Scan mode - Display the latest push scan profile. Fax mode - Redial or pause a Fax job. Fax mode - Hook Scan mode - Search Push Scan profile by name for a Push Scan job. Fax Mode - Search Fax phone numbers by name or speed dial code. 3-2 Service Manual
  • Lexmark X502n | Service Manual - Page 111
    when the MFP is powered on and before every scan, copy, or fax. Right and left edge registrations are performed only when the MFP is started. If the scanner fails to calibrate, 006 Service Call / Scanner Unit will be displayed. Should this error display, see "Flatbed service check" on page 2-41
  • Lexmark X502n | Service Manual - Page 112
    default menu item in the Display info submenu.This item displays the MFP model name. The options are X500, and X502. This item cannot be changed. Press to exit this item. FW Version The FW Version submenu displays three different firmware related items. While in the Display info menu, use the and
  • Lexmark X502n | Service Manual - Page 113
    of yellow color planes printed Scanner Counter - This submenu item displays the number of various scans performed by the MFP. Use the and keys to navigate to each counter within the submenu. Press to select the displayed item. Press to exit an item. 1. Total Page - Total number of pages scanned
  • Lexmark X502n | Service Manual - Page 114
    item. Replace OPC Belt Replace Fuser Replace TR Belt Replace PQ Kit Replace PF1 Kit Replace PF2 Kit Replace ADF Kit Waste Toner Pack Life setting is automatically set when the MFP is initialized at setup. Do not change this setting without second-level support supervision. If the setting needs to
  • Lexmark X502n | Service Manual - Page 115
    Lexmark confidential until announce edited 1/4/2007 7100-XXX Protocol Definition The This setting is country or region dependent and should not be changed without supervision of a second-level support person. T0 Timer T1 Timer T4 Timer RX Settings Silence Detection Time CNG Tone Detection Time CNG
  • Lexmark X502n | Service Manual - Page 116
    Lexmark confidential until announce edited 1/4/2007 Density Tune Up These settings adjust the density of the separate color planes for the copy, scan, and fax functions. These settings should not be adjusted without second-level support default. Light (0-255) +127 is the default. 3-8 Service Manual
  • Lexmark X502n | Service Manual - Page 117
    of printing. EP Basics The Lexmark X500n is a single laser MFP that uses four toner cartridges (Cyan, Yellow, Magenta and Black) to create text and images on media. The MFP has one photodeveloper (called a photodeveloper cartridge or OPC) and a transfer Unit. Each color toner is painted to the
  • Lexmark X502n | Service Manual - Page 118
    7100-XXX Lexmark confidential until announce edited 1/4/2007 Summary of the EP process on the X500 This graphic illustrates the steps of the EP process on the X500 3-10 Service Manual
  • Lexmark X502n | Service Manual - Page 119
    service manual for the repeating marks table. Note: If the charge roller is severely damaged, the surface of the photodeveloper will not be charged properly and heavy amounts of toner will be deposited on the photodeveloper. This will cause the printed page to be saturated with 100% of each color
  • Lexmark X502n | Service Manual - Page 120
    beam passes through a glass lens as it exits the laser unit. If this lens gets contaminated with toner or other debris, it will cause vertical streaking of white/lightness on the page. Cleaning the lens will solve the problem. Note: Never touch the surface of the photodeveloper with your bare hand
  • Lexmark X502n | Service Manual - Page 121
    to the photodeveloper one color at a time. The toner image on the photodeveloper needs to be transferred to the transfer unit before the next color can be developed. Look at callout 3 in the picture below. This is where the developer rollers in the toner cartridges touch the surface of the
  • Lexmark X502n | Service Manual - Page 122
    laser exposes the photodeveloper, and the next color is developed and transferred to the transfer unit. This process continues until all four planes of color have been transferred to the transfer unit. Look at callout 4 in the picture below. This is the where the photodeveloper transfers the toner
  • Lexmark X502n | Service Manual - Page 123
    from the high voltage power supply, the toner will not fully transfer from the transfer unit; the entire page will be very light or blank. Any toner that does transfer will be due to a "contact" transfer instead of a "charge" transfer. Check the transfer roller clutch and the high voltage power
  • Lexmark X502n | Service Manual - Page 124
    damaged, they can cause toner to be pulled off the page or cause paper jams. Note: Toner that rubs off a printed page can be a sign of a malfunctioning fuser or an improper media setting. Always check the paper type setting on the printer and driver before replacing the fuser. A common mistake is to
  • Lexmark X502n | Service Manual - Page 125
    process cleans the photodeveloper and the other cleans the transfer unit. Photodeveloper clean/erase After each plane of color has been transferred to the transfer unit from the photodeveloper, a cleaning blade scrapes the remaining toner from the surface of the photodeveloper while an erase lamp
  • Lexmark X502n | Service Manual - Page 126
    7100-XXX Lexmark confidential until announce edited 1/4/2007 Transfer unit cleaning Once the toner image on the transfer unit has been transferred to the page, the transfer unit rotates around and is cleaned by the cleaning roller. This cleaning happens after each page is printed. A clutch engages
  • Lexmark X502n | Service Manual - Page 127
    Lexmark confidential until announce edited 1/4/2007 Printer Components The following graphic illustrates all the EP and paper transport processes in the X500 7100-XXX Diagnostic aids 3-19
  • Lexmark X502n | Service Manual - Page 128
    on a plain paper setting. The printer feed and transport components can fail and cause paper jams or other feed and transport problems. These components should be examined for damage or wear and replaced if necessary. X500n specific information The Lexmark X500n has a simple "C" shaped paper path
  • Lexmark X502n | Service Manual - Page 129
    to the page. The transfer roller moves the media to the fuser. The fuser applies heat and pressure to the page. The heat and pressure permanently bond the image to the media. The fuser rollers push the media toward the exit bin and past the fuser exit sensor. The exit rollers guide the paper
  • Lexmark X502n | Service Manual - Page 130
    1/4/2007 Paper jam messages The following illustration lists paper jam messages indicating where the paper jam occurred. CAUTION When clearing paper jams, inside of the printer may be hot. Allow printer to cool before touching any internal components. 3-22 Service Manual
  • Lexmark X502n | Service Manual - Page 131
    . Use the following table to locate instructions for a particular jam; however, to resolve any message, you must clear all media from the media path. Jam message Paper Jam A1, Rear (tray 1) Paper Jam A2, Rear (tray 2) Paper Jam B, Rear Paper Jam C, Rear Go to page "Paper Jam A1, rear (tray 1)" on
  • Lexmark X502n | Service Manual - Page 132
    7100-XXX Lexmark confidential until announce edited 1/4/2007 Paper Jam A1, rear (tray 1) A PAPER JAM-A1 message indicates the media is jammed in tray 1. To clear . • For a misfeed of the media, the single piece of media is laying on top of the stack. Pull it straight out. 3-24 Service Manual
  • Lexmark X502n | Service Manual - Page 133
    surface of the tray housing. You may have to reach far under the printer to locate the jam, as shown in the following illustration. Pull the jam straight out. 2. insert the tray. 3. If clearing paper doesn't resolve the problem, see "Paper feed service checks" on page 2-44. Diagnostic aids 3-25
  • Lexmark X502n | Service Manual - Page 134
    7100-XXX Lexmark confidential until printer to locate the jam. Pull the jam straight out. 2. Push the tray into the support unit. 3. If clearing paper doesn't resolve the problem, replace the secondary paper feed assembly. See "Secondary paper feed assembly removal" on page 4-9. 3-26 Service Manual
  • Lexmark X502n | Service Manual - Page 135
    Lexmark confidential until announce edited 1/4/2007 7100-XXX Paper Jam B rear CAUTION When clearing paper jams, inside of the printer may be hot. Allow printer to cool before touching any internal components. A PAPER JAM-B message indicates the media is jammed behind the rear door. To clear this
  • Lexmark X502n | Service Manual - Page 136
    media. Pull it to the rear of the printer and then out. Note: Gently pull the media out so you do not tear it. Note: If there is no media present in the fuser area, and print jobs appear smudged, see "Smear service check" on page 2-58. 5. Close the rear door. 6. Check registration sensor
  • Lexmark X502n | Service Manual - Page 137
    the bottom of the printer to avoid contamination of the fuser. 4. Close the rear door. 5. Check fuser exit sensor (located in the paper exit assembly) and its actuator. Replace if damaged. See "Paper exit assembly removal" on page
  • Lexmark X502n | Service Manual - Page 138
    7100-XXX Lexmark confidential until announce edited 1/4/2007 ADF paper jams An ADF JAM: Open ADF Cover and Clear Jam message indicates a jam in the ADF. roller assembly is opened. WARNING: Do not lift the flatbed lid and pull the jammed paper from the bottom of the ADF. 3-30 Service Manual
  • Lexmark X502n | Service Manual - Page 139
    Lexmark confidential until announce edited 1/4/2007 To clear an ADF paper jam, follow these steps. 1. Open the ADF top cover. 7100-XXX 2. Lift the green separator
  • Lexmark X502n | Service Manual - Page 140
    7100-XXX Lexmark confidential until announce edited 1/4/2007 4. Lower the separator roller release lever until it locks in place. 5. Close the ADF cover, and test the ADF. 3-32 Service Manual
  • Lexmark X502n | Service Manual - Page 141
    the ground wire or ground plate to ensure a positive conduction. Install the screw with a toothed washer in the correct position at reassembly. • Never lift the MFP from the scanner assembly. • Confirm the direction of all parts and screw lengths during removal/replacement. • Any part where
  • Lexmark X502n | Service Manual - Page 142
    in its original shipping container (a special "ESD bag") until you are ready to install the part into the MFP. • Make the least-possible movements with your body to prevent an increase of static when cold-weather heating is used, because low humidity increases static electricity. 4-2 Service Manual
  • Lexmark X502n | Service Manual - Page 143
    light over an extended period of time. Never expose it to direct sunlight. Cover the photodeveloper cartridge when you remove it from the MFP. • Use care not to contaminate the surface of the OPC belt with oil-base solvent, fingerprints, and other foreign matter. • Do not scratch the surface of the
  • Lexmark X502n | Service Manual - Page 144
    the scanner unit. 2. Open the top cover. 3. Depress the tabs, and remove the cleaning roller cover. Transfer belt cleaning roller removal 1. Remove the cleaning roller cover. See "Cleaning roller cover removal" on page 4-4. 2. Lift and remove the transfer belt cleaning roller. 4-4 Service Manual
  • Lexmark X502n | Service Manual - Page 145
    (A) counterclockwise until they are loose. 7100-XXX A Warning: Take great care when removing the transfer belt unit to prevent scratching the transfer belt. Do not touch or hit the belt during removal. 3. Pull the transfer belt unit toward rear of the MFP, lift and remove. Repair information 4-5
  • Lexmark X502n | Service Manual - Page 146
    7100-XXX Transfer roller removal 1. Open the rear cover assembly. 2. Rotate the transfer roller to release; lift and remove. Fuser assembly removal 1. Push the rear cover assembly latch, and lower the rear cover assembly. 2. Turn two green fuser release levers (A). A 4-6 Service Manual
  • Lexmark X502n | Service Manual - Page 147
    fuser straight up and away from the MFP. 7100-XXX Waste toner bottle removal 1. Open the front cover. 2. Remove the waste toner bottle. Warning: Ensure that the waste toner bottle is secured and not allowed to tip over during repair process. Failure to adhere to this warning may result in toner
  • Lexmark X502n | Service Manual - Page 148
    . 1. Raise the scanner assembly. 2. Open the top cover assembly. 3. Depress the release levers (A). 4. Lift and remove the photodeveloper cartridge. 5. Lay the photodeveloper cartridge as shown in a clean area. 6. Cover the photodeveloper cartridge with a piece of paper as shown. 4-8 Service Manual
  • Lexmark X502n | Service Manual - Page 149
    assembly removal 1. Remove the left secondary paper feed assembly cover. Repeat for the right side. 7100-XXX 2. Loosen the thumbscrew (A) on the left bracket, and remove the bracket. Repeat for the right side. 3. With help from another person, lift the MFP by the recessed handholds and remove the
  • Lexmark X502n | Service Manual - Page 150
    the photodeveloper cartridge. See "Photodeveloper cartridge removal" on page 4-8. 5. Open the OPC cover. 6. Remove the two screws (A) from the top cover assembly. A 7. Open the rear cover. 8. Remove the upper right rear cover. See "Upper right rear cover removal" on page 4-17. 4-10 Service Manual
  • Lexmark X502n | Service Manual - Page 151
    to the MFP frame. C 12. Release the tabs on the front of the top cover assembly. 13. Lift the top cover assembly and remove. Note: If you are replacing the top cover assembly, remove the scanner arms. They will be used on the new top cover. See "Scanner arm removal" on page 4-52. Repair
  • Lexmark X502n | Service Manual - Page 152
    7100-XXX Front cover assembly removal 1. Open the front cover assembly. 2. Remove the 8 screws (A) from the inner front cover. 3. Disengage the support strap from the MFP. 4. Release the tabs on the front cover. 5. Remove the front cover from the inner front cover. 6. Raise the inner front cover. 4-
  • Lexmark X502n | Service Manual - Page 153
    remove. Repeat for the other support pin 8. Remove the front inner cover from the MFP. Right cover removal 1. Remove the waste toner bottle. See "Waste toner bottle removal" on page 4-7. 2. Remove the top cover assembly. See "Top cover assembly removal" on page 4-10. 3. Remove 2 screws (A) from the
  • Lexmark X502n | Service Manual - Page 154
    on page 4-6. 2. Remove the transfer belt unit. See "Transfer belt unit removal" on page 4-5. 3. Remove the right cover. See "Right cover removal" on page 4-13. 4. Disconnect the rear cover assembly connector (A). 5. Remove the support pin (B), disconnecting the support cable from the MFP. 6. Remove
  • Lexmark X502n | Service Manual - Page 155
    Left front cover removal 7100-XXX 1. Remove the top cover assembly. See "Top cover assembly removal" on page 4-10. 2. Remove two screws (A) from the bottom of the left front cover. 3. Remove the left cover from the MFP. Repair information 4-15
  • Lexmark X502n | Service Manual - Page 156
    7100-XXX Left rear cover removal 1. Remove the screw (A) that secures the left rear cover to frame. A 2. Slide the left rear cover back, and remove it from the printer. 4-16 Service Manual
  • Lexmark X502n | Service Manual - Page 157
    7100-XXX A 3. Remove the upper right rear cover. Upper left rear cover removal 1. Remove the left rear cover. See "Rear cover assembly removal" on page 4-14. 2. Remove the screw (A) that secures the upper left rear cover to the frame. A 3. Remove the upper left rear cover. Repair information 4-17
  • Lexmark X502n | Service Manual - Page 158
    ) removal 1. Open the front cover. 2. Remove the toner cartridges. 3. Remove the photodeveloper cartridge. See "Photodeveloper cartridge removal" on page 4-8. 4. Open the top cover assembly. 5. Remove the two screws (A) from the laser unit assembly cover. The photograph below is looking through the
  • Lexmark X502n | Service Manual - Page 159
    7. Remove four screws (B) from the laser unit assembly. B B 8. Remove the laser unit assembly from the MFP. 9. Disconnect the connector from the laser unit assembly. 7100-XXX Repair information 4-19
  • Lexmark X502n | Service Manual - Page 160
    7100-XXX Erase lamp removal 1. Remove all the toner cartridges. 2. Remove the photodeveloper cartridge. See "Photodeveloper cartridge removal" on page 4-8. 3. Remove the transfer belt unit. See "Transfer belt unit removal" on page 4-5. 4. Remove the two screws (A). A B A 5. Disconnect the erase
  • Lexmark X502n | Service Manual - Page 161
    cover assembly. See "Top cover assembly removal" on page 4-10. 2. Remove the right cover. See "Right cover removal" on page 4-13. 3. Disconnect the interlock switch cable (A) from the interlock switch. A B 4. Remove the screw (B) and disengage the locking clip on the back of the bracket. 5. Remove
  • Lexmark X502n | Service Manual - Page 162
    assembly removal 1. Remove the main motor assembly. See "Main motor assembly removal" on page 4-26. 2. Remove the waste toner bottle holder. See "Waste toner bottle holder removal" on page 4-22. 3. Remove four clips and the developer drive gears (A) from the inside of the MFP. A 4-22 Service Manual
  • Lexmark X502n | Service Manual - Page 163
    4. Disconnect the developer driver assembly cables (B). B 7100-XXX C 5. Remove the four screws (C) from the developer drive assembly. 6. Remove the developer drive assembly from the MFP. Repair information 4-23
  • Lexmark X502n | Service Manual - Page 164
    the developer drive assembly. See "Developer drive assembly removal" on page 4-22. 2. Remove two screws (A) from the toner sensor. Note: The bottom screw is longer than the top screw. A 3. Pull the toner sensor away from the MFP, disconnect the cable, and remove the sensor. 4-24 Service Manual
  • Lexmark X502n | Service Manual - Page 165
    removal 1. Remove the transfer belt cleaning roller. See "Transfer belt cleaning roller removal" on page 4-4. 2. Remove the right cover. See "Right cover removal" on page 4-13. 3. Using a flat-tipped tool, pry and remove the cleaning roller clutch gear from the inside of the MFP. 4. Disconnect the
  • Lexmark X502n | Service Manual - Page 166
    -XXX Main motor assembly removal 1. Remove the right cover. See "Right cover removal" on page 4-13. 2. Disconnect the main motor assembly cable (A) from the main motor. 3. Remove 4 screws (B) from the main motor assembly. B A 4. Remove the main motor assembly from the MFP. 4-26 Service Manual
  • Lexmark X502n | Service Manual - Page 167
    main motor assembly. See "Main motor assembly removal" on page 4-26. Note: If you are removing the main drive gear assembly to get to the waste toner feeder, you do not have to remove the fuser, transfer roller, registration, or paper feed clutch. The clutches are removed at the beginning of this
  • Lexmark X502n | Service Manual - Page 168
    right corner is installed before the lower right frame. Waste toner feeder removal 1. Remove the main drive gear assembly. See "Main drive gear assembly removal" on page 4-27. 2. Loosen the two screws (A) of the sensor base to allow free movement of the waste toner feeder. A 4-28 Service Manual
  • Lexmark X502n | Service Manual - Page 169
    3. Remove screw (B) from the waste toner feeder pipe. 7100-XXX B 4. Remove the waste toner feeder pipe from the waste toner bottle holder. 5. Pull and remove the waste toner feeder from the MFP. Repair information 4-29
  • Lexmark X502n | Service Manual - Page 170
    assembly removal 1. Remove the erase lamp. See "Erase lamp removal" on page 4-20. 2. Remove two screws (A). 3. Disconnect connector (B) from the transfer belt marker sensor. 4. Disconnect connector (C) from the toner density sensor. 5. Lift and remove the bracket assembly. 4-30 Service Manual
  • Lexmark X502n | Service Manual - Page 171
    assembly removal 1. Remove the paper guide assembly. See "Paper guide assembly removal" on page 4-31. 2. Remove the transfer belt unit. See "Transfer belt unit removal" on page 4-5. 3. Remove the support pin, disconnecting the support cable (A) from the MFP. 4. Remove the two screws (B) that attach
  • Lexmark X502n | Service Manual - Page 172
    7100-XXX Paper feed roller removal 1. Remove the paper guide C assembly. See "Paper guide C assembly removal" on page 4-31. 2. Slide the paper feed roller off the shaft to remove. Paper exit assembly removal 1. Remove two screws (A). A 4-32 Service Manual
  • Lexmark X502n | Service Manual - Page 173
    2. Disconnect the cable (B). 3. Remove two screws (C). 7100-XXX C B Registration assembly removal 1. Remove the transfer roller. See "Transfer roller removal" on page 4-6. 2. Remove three metal screws (A) and three plastic screws (B). 3. Lift and remove the registration assembly. Repair
  • Lexmark X502n | Service Manual - Page 174
    and configuration pages" on page 3-3. 1. Remove the left front cover. See "Left front cover removal" on page 4-15. 2. Remove the system board. See "System board removal" on page 4-36. 3. Remove three screws (A) from the engine controller board shield; remove the shield. 4-34 Service Manual
  • Lexmark X502n | Service Manual - Page 175
    4. Disconnect all the connectors from the engine controller board. 7100-XXX 5. Remove five screws (B) from the engine controller board; remove the engine controller board. B Note: When reinstalling flat cables, ensure that the blue side of the cable is opposite of the pins on the connectors. Flat
  • Lexmark X502n | Service Manual - Page 176
    country code. See "Setting the country code" on page 3-3. 1. Disconnect any attached USB or network cables. 2. Remove the left rear cover. See "Left rear cover removal" on page 4-16. 3. Remove the screw (A) securing the system board cover. A 4. Remove the system board cage cover. 4-36 Service Manual
  • Lexmark X502n | Service Manual - Page 177
    5. Remove the screw (B) securing the two ground wires. 7100-XXX B 6. Disconnect all the cables from the system board. 7. Remove two screws (C) securing the system board to the system board cage. 8. Slide the system board out of the MFP. Repair information 4-37
  • Lexmark X502n | Service Manual - Page 178
    Remove the left front cover. See "Left front cover removal" on page 4-15. 2. Remove the three screws (A) securing the engine card shield screws (B) which secure the card cage to the printer frame. 7. Carefully remove the card cage from the printer. Note: The engine controller board and system / RIP
  • Lexmark X502n | Service Manual - Page 179
    HVPS) removal 1.Remove the RIP board cage. See "System board cage removal" on page 4-38. 2.Disconnect all the connectors from the HVPS. Note: When reinstalling flat 11 screws (A) (4 corner screws are gold in color (metal); inner screws are silver (plastic)); remove HVPS. A Repair information 4-39
  • Lexmark X502n | Service Manual - Page 180
    with cage removal 1. Remove the transfer belt unit. See "Transfer belt unit removal" on page 4-5. 2. Remove the RIP board cage. See "System board cage removal" on page 4-38. 3. Remove the grounding terminal attach the LVPS with the cage; remove the LVPS with the cage. F E F 4-40 Service Manual
  • Lexmark X502n | Service Manual - Page 181
    the HVPS. See "High voltage power supply (HVPS) removal" on page 4-39. 2. Remove the LVPS with cage. See "Low voltage power supply (LVPS) with cage removal" on page 4-40. 3. Remove three screws (A); remove the HVPS cage. A Toner present sensor removal 1. Remove the HVPS cage. See "HVPS cage removal
  • Lexmark X502n | Service Manual - Page 182
    " on page 4-46. 2. Remove the HVPS cage. See "HVPS cage removal" on page 4-41. 3. Reroute cable (A) to allow sufficient cable length for removing the left tray guide assembly from the frame. B A 4. Remove two (B) screws that secure the left tray guide assembly to the MFP frame. 4-42 Service Manual
  • Lexmark X502n | Service Manual - Page 183
    5. Slide the left tray guide assembly out in front of the MFP. 7100-XXX Modem speaker removal 1. Remove the left assembly. Fuser fan assembly removal 1. Remove the left rear cover. See "Left rear cover removal" on page 4-16. 2. Remove the top cover. See"Top cover assembly removal" on page 4-10.
  • Lexmark X502n | Service Manual - Page 184
    connector (B) behind the interlock assembly. B 6. Remove the top screw (C) that secures the system board cage to the printer frame. D C 7. Remove the three screws (D) that secure the fuser fan assembly to the printer engine frame. 8. Lift and remove the fuser fan assembly. 4-44 Service Manual
  • Lexmark X502n | Service Manual - Page 185
    Modem card removal 1. Remove the rip cage cover. 2. Disconnect the 30-pin cable (A) from the modem card. 7100-XXX B A 3. Remove the screws (B) that secure the modem to the RIP cage. 4. Remove the modem. Repair information 4-45
  • Lexmark X502n | Service Manual - Page 186
    Marker sensor assembly removal 1. Remove all the toner cartridges. 2. Remove the photodeveloper cartridge. See "Photodeveloper cartridge removal" on page 4-8. 3. Remove the transfer belt unit. See "Transfer belt unit removal" on page 4-5. 4. Remove screw (A) from the bracket. A 5. Disconnect the
  • Lexmark X502n | Service Manual - Page 187
    toner auger removal 1. Remove the photodeveloper cartridge. See "Photodeveloper cartridge removal" on page 4-8. 2. Remove the transfer belt unit. See "Transfer belt unit removal" on page 4-5. 3. Remove the top cover assembly. See "Top cover assembly removal" on page 4-10. 4. Remove the transfer belt
  • Lexmark X502n | Service Manual - Page 188
    the modem speaker cable from the system board, and carefully route the cable through the engine board cage. 3. Remove screw (A) from the power supply fan. A 4. While holding the fan, disconnect the cables (B) from the interlock switches and remove the power supply fan. B 4-48 Service Manual
  • Lexmark X502n | Service Manual - Page 189
    the RIP/System board cover. See "System board removal" on page 4-36. 3. Open the MFP rear cover. 4. Remove the screws (A) securing the upper left and right covers. 7100-XXX A A 5. Remove the ADF unit. See "ADF unit removal" on page 4-53. 6. Disconnect the CCD ribbon cable, the operator panel
  • Lexmark X502n | Service Manual - Page 190
    7100-XXX 7. Route all the cables through the RIP cage and around the fuser fan. 8. Remove the ribbon cable guide from the ribbon cable and flatbed unit. 9. Remove the four screws (C) that attach the flatbed to the scanner arms. C 4-50 Service Manual
  • Lexmark X502n | Service Manual - Page 191
    7100-XXX 10. Tilt the scanner assembly vertically, carefully pulling the white slides off of the flatbed. 11. Lift the flatbed assembly off of the printer engine base. Repair information 4-51
  • Lexmark X502n | Service Manual - Page 192
    . A 3. Tilt the top of the scanner arm to the center of the MFP, and remove the armlock (B). Note: Save the armlock for the new scanner arm. B 4. Continue tilting the scanner arm, and pull the arm outward and up. 5. Lift the scanner arm up and away from the printer top cover. 4-52 Service Manual
  • Lexmark X502n | Service Manual - Page 193
    other arm, if needed. Note: If you are replacing the scanner arm, remove the spring from the old scanner arm. The spring will go on the new arm. ADF unit removal 1. Remove the upper left rear cover. See "Upper left rear cover removal" on page 4-17. 2. Remove the left rear cover. See "Left rear
  • Lexmark X502n | Service Manual - Page 194
    7100-XXX 6. Remove the ADF cable cover from the rear of the flatbed unit. 7. Route the ADF cable and ADF ground wire through the RIP cage and flatbed unit. 8. Lift the flatbed cover to a vertical position, and up from the flatbed. 4-54 Service Manual
  • Lexmark X502n | Service Manual - Page 195
    9. With a flat-blade screwdriver, press against the tab on the ADF unit retainer. 7100-XXX 10.Lift the ADF unit up and away from the flatbed unit. Note: Remove the ADF paper tray from the old ADF unit. It will be used on the new ADF unit. ADF mechanism cover removal 1. Open the ADF top cover, and
  • Lexmark X502n | Service Manual - Page 196
    7100-XXX 4. Remove the ADF front cover. 5. Remove the screw (B) which secures the ADF separator roll lock to the ADF. 6. Remove the ADF separator roll lock. 7. Remove the two screws (C) which secures the ADF mechanism cover to the ADF. 8. Remove the ADF mechanism cover. 4-56 Service Manual
  • Lexmark X502n | Service Manual - Page 197
    Operator panel removal 1. Remove the operator panel bezel by prying it off the operator panel cover. 7100-XXX 2. Remove the two screws (A). Repair information 4-57
  • Lexmark X502n | Service Manual - Page 198
    7100-XXX 3. Using a flat-blade screwdriver, carefully pry the operator panel away from the scanner assembly in four places (B). 4. Lift up the operator panel, and disconnect the operator panel cable (C) from the operator panel. 5. Remove the operator panel. 4-58 Service Manual
  • Lexmark X502n | Service Manual - Page 199
    5. Locations and connectors Printer front and rear views 7100-XXX Locations and connectors 5-1
  • Lexmark X502n | Service Manual - Page 200
    MFP engine card. Covers the left side of the printer over the RIP card. Turns the printer on and off. Covers the fuser fan. Connects the MFP to the host by USB. Connects the printer to an 10/100/1000 base T network. Connects the power cord that supplies AC power to the printer. 5-2 Service Manual
  • Lexmark X502n | Service Manual - Page 201
    Scanner locations 7100-XXX Callout 1 2 3 4 5 6 7 8 9 Description Paperpath Sensor ADF pick roll assembly ADF separator assembly Cover closed sensor Paper present sensor ADF paper tray Flatbed cover / ADF Assembly Flatbed assembly Operator panel Locations and connectors 5-3
  • Lexmark X502n | Service Manual - Page 202
    position of OPC belt. Detects if any toner cartridge is empty. Detects when waste toner bottle is full. Thermistor that detects fuser temperature. Detects when paper exit tray is full. Detects presence of toner cartridge. Detects toner density of images formed on the transfer belt surface
  • Lexmark X502n | Service Manual - Page 203
    controller board Controls the following MFP processes Fuser temperature control Laser output control Toner empty sensing control Error processing Erase lamp Discharges OPC belt located in the photodeveloper cartridge. Low voltage power supply (LVPS) Provides power to control the MFP. High voltage
  • Lexmark X502n | Service Manual - Page 204
    Developer motors Scanner motor Power supply fan Exit fan Laser fan Front interlock switch Paper exit assembly interlock switch Top interlock switch Code MM DM SCM PSFAN EXFAN LDFAN DSW1 DSW2 DSW3 Function Drives OPC belt and paper transport system. Drives toner cartridge and developing system
  • Lexmark X502n | Service Manual - Page 205
    to the main gear unit at the time of a paper feed. Transports paper by coupling registration roller to main gear unit as synchronized with rotation of transfer belt. Drives the transfer belt cleaner brush by coupling cleaning clutch to main gear unit at the time of transfer belt cleaning. Cam action
  • Lexmark X502n | Service Manual - Page 206
    clutch PDU P.W.B. Upper paper empty sensor Exit paper full sensor Upper paper size sensor Paper feed sensor Paper exit sensor Registration clutch Scanner motor Waste toner sensor (WT holder assembly) Thermal fuse Themistor Toner key sensor Toner empty sensor Transfer cam clutch 5-8 Service Manual
  • Lexmark X502n | Service Manual - Page 207
    Engine controller board wiring diagram 7100-XXX Locations and connectors 5-9
  • Lexmark X502n | Service Manual - Page 208
    PWM-N 17 7 THVPWM-N 18 8 DBV [MC] PWM-N 19 9 THVRON 20 10 CBVPWM-N 21 11 BRVERR LCN-24 Pin. Connects to LSU assembly Pin # Voltage 17 6 LDREF-4 18 7 VIDEO-N 19 8 LDREF-3 20 9 VIDEO-P 21 10 LDREF-2 22 11 SGND 23 12 LDREF-1 24 Voltage / Signal BRVPWM-N PWMON-N
  • Lexmark X502n | Service Manual - Page 209
    Pin. Connects to transfer unit, toner density, registration and paper sensors Pin # Voltage / Signal Pin # Voltage / Signal 1 +5V-S 8 V02:k 2 VCC 9 PTI-N 3 TBEN-N 10 V01-YMC 4 LED 11 SGND 5 SGND 12 +5V-S 6 SGND 13 SGND 7 +5V-S 14 PEV-P MCN2- 3 Pin. Toner present sensor
  • Lexmark X502n | Service Manual - Page 210
    toner sensor Pin # Voltage / Signal Pin # 1 +24V-1DF3 11 2 FBCLON-N 12 3 13 4 14 5 +24V-1DF3 15 6 TRSLON-N 16 7 +24V-1DF3 17 8 RECLON-N 18 9 +24V-1DF3 19 10 7 DM2 OUT 20 8 +24V-1D(B-COM) 21 9 DM2 OUT 22 10 DM2 OUT 23 11 +24V-1D(A-COM) 24 12 DM2 OUT 25 13
  • Lexmark X502n | Service Manual - Page 211
    (SGND) 11 5 PSL1 12 6 PSL2 13 7 PSL3 14 MCN8 - 12 Pin Toner Sensor (TTR, TDP) Pin # Voltage / Signal Pin # 1 LEDON-P 7 2 TLES (K)-P 8 3 TLESCHK 9 4 TLES (Y)-P 10 5 SGND 11 6 TLES (M)-P 12 LVCN-14 Pin LVPS Pin # Voltage / Signal Pin # 1 +5V 8 2 +5V 9 3 +24V
  • Lexmark X502n | Service Manual - Page 212
    7100-XXX POCN-30 Pin. LVPS Pin # Voltage / Signal 1 +5V - (CNT) 2 PSGNT (CNT) 3 +5V - (CNT) 4 PSGNT (CNT) 5 +5V - (CNT) 6 PSGNT (CNT) 7 +3.3V - 2 8 PSGND 9 +3.3V-2 10 PSGND 11 +3.3V - 2 12 PSGND 13 +5V -1 14 SGND 15 +5V -1 Pin # 16 17 18 19 20 21 22 23 24 25 26 27
  • Lexmark X502n | Service Manual - Page 213
    RIP board 7100-XXX RIP card voltages Connector / Pin # J-PNL1/Pin 1 J-ADF-1/Pin 5 J-FB1/Pin1 J-CCD / Pin 8 J-CCD / Pin 10 J-CCD / Pin12 J-CCD / Pin 16 J-CCD / Pin 20 Voltage / Signal +5V +2.5V +5V +12V +5V +3.3 +3.3V +5V Locations and connectors 5-15
  • Lexmark X502n | Service Manual - Page 214
    7100-XXX Engine controller board MCN9 MCN8 MCN7 MCN6 1 1 1 PACN 1 MCN10 1 1 FBCN 1FCN 1 MCN5 1 HVCN MCN4 1 1A 1 MCN3 1 MCN2 MCN1 1 LVCN 1 1 POCN LCN FUCN 1 1 Low voltage power supply (LVPS) board 5-16 Service Manual
  • Lexmark X502n | Service Manual - Page 215
    High voltage power supply (HVPS) board 7100-XXX Locations and connectors 5-17
  • Lexmark X502n | Service Manual - Page 216
    7100-XXX Modem Card voltages and signals Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Signal +3.3 V +3. Signal Signal Signal Signal Signal Signal SCS3 Signal SRD IRQN SWR Signal Reset GND Signal Signal GND GND Signal SSD_PWM 5-18 Service Manual
  • Lexmark X502n | Service Manual - Page 217
    7100-XXX 6. Preventive maintenance There is no preventive maintenance performed by a service technician for this printer. Maintenance parts for the X5xx series MFPs are installed by the customer. Preventive maintenance 6-1
  • Lexmark X502n | Service Manual - Page 218
    7100-XXX 6-2 Service Manual
  • Lexmark X502n | Service Manual - Page 219
    7. Parts catalog 7100-XXX How to use this parts catalog • SIMILAR ASSEMBLIES: If two assemblies contain a majority of identical parts, they are shown on the same list. Common parts are shown by one index number. Parts peculiar to one or the other of the assemblies are listed separately and
  • Lexmark X502n | Service Manual - Page 220
    7100-XXX Assembly 1: Base printer 7-2 Service Manual
  • Lexmark X502n | Service Manual - Page 221
    printer index 1-1 2 3 4 5 6 7 8 8 P/N 40X4702 40X4703 40X3383 40X3382 40X3412 40X3418 40X4694 40X0297 40X1766 8 40X0301 8 40X1767 8 40X0273 8 40X0286 8 40X0278 Units pad Cover, cleaning roller Roller, cleaning Transfer unit Transfer roller assembly Paper tray, universal Power cord
  • Lexmark X502n | Service Manual - Page 222
    7100-XXX Assembly 2: Covers 7-4 Service Manual
  • Lexmark X502n | Service Manual - Page 223
    40X3387 40X4687 40X4688 40X4716 Units 1 1 1 1 1 1 1 1 1 1 1 1 1 1 7100-XXX Description Cover assembly, top Arm, scanner (contains the left and right arms) Cover, top left Cover, top right Rear cover assembly (includes 40X3428, and 40X3430) Assembly, paper exit (contains fuser exit sensor and flag
  • Lexmark X502n | Service Manual - Page 224
    7100-XXX Assembly 3: Scanner unit 7-6 Service Manual
  • Lexmark X502n | Service Manual - Page 225
    Scanner Unit index 3-1 2 3 4 5 6 7 8 9 9 10 10 P/N 40X4702 40X4703 40X4701 40X4709 40X4708 40X4714 40X4713 40X4700 40X4693 40X4695 40X4721 40X4722 Units 1 1 1 1 1 1 1 1 1 1 1 1 Description Assembly, pick roll Pad, ADF separator Assembly, ADF Cover, ADF mechanism Tray, ADF input Cable, ADF Guide
  • Lexmark X502n | Service Manual - Page 226
    7100-XXX Assembly 4: Front 7-8 Service Manual
  • Lexmark X502n | Service Manual - Page 227
    2 3 P/N 40X3441 40X3400 40X3431 4 40X3401 5 40X3416 Units 1 1 1 1 1 7100-XXX Description Cover, laser unit assembly lens Laser unit assembly (printhead) Left tray guide assembly with cable (includes paper size sensor and temperature thermistor) Right tray guide Lamp, erase Parts catalog 7-9
  • Lexmark X502n | Service Manual - Page 228
    7100-XXX Assembly 5: Right 7-10 Service Manual
  • Lexmark X502n | Service Manual - Page 229
    12 40X3432 Units 1 1 1 1 1 1 1 1 1 1 1 1 7100-XXX Description Gear assembly, main drive Clutch, registration Clutch, transfer roller Clutch, cleaning roller Packet, parts Clutch, paper feed Drive assembly, developer Motor assembly, main Assembly, waste toner holder Waste toner feeder Sensor
  • Lexmark X502n | Service Manual - Page 230
    7100-XXX Assembly 6: Rear 7-12 Service Manual
  • Lexmark X502n | Service Manual - Page 231
    4 40X3414 5 40X3415 Units 1 1 1 1 1 7100-XXX Description Assembly, bracket (includes marker sensor (transfer belt unit), toner density sensor) Paper guide assembly Paper guide (C) assembly with cable (includes registration sensor, tray empty sensor) Roller, paper feed Pad, separator Parts
  • Lexmark X502n | Service Manual - Page 232
    7100-XXX Assembly 7: Left 7-14 Service Manual
  • Lexmark X502n | Service Manual - Page 233
    40X4711 40X4715 40X3405 40X3399 6 40X3410 7 40X4704 8 40X4705 9 40X4719 10 40X4720 11 40X4689 Units 1 1 1 1 1 1 1 1 1 1 1 7100-XXX Description Board, Network RIP (US) Card, modem US Cable, modem Power supply, high voltage Sensor, toner, receiver TTR (This is a two-piece sensor system
  • Lexmark X502n | Service Manual - Page 234
    7100-XXX Assembly 8: Top 7-16 Service Manual
  • Lexmark X502n | Service Manual - Page 235
    Top index 8-1 2 3 4 5 P/N 40X3402 40X3403 40X3434 40X4691 40X4690 6 40X4710 Units 1 1 1 1 1 1 7100-XXX Description Auger, waste toner Agitator, waste toner Assembly, marker sensor (OPC) (includes bracket) Assembly, fuser fan Fan, power supply (includes top cover interlock switch and rear cover
  • Lexmark X502n | Service Manual - Page 236
    7100-XXX Assembly 9: Miscellaneous/Options 7-18 Service Manual
  • Lexmark X502n | Service Manual - Page 237
    index 9-1 NS NS NS NS NS NS P/N 40X3421 40X4717 40X3442 40X3443 40X4718 7372640 14D0403 Units 1 1 1 1 1 1 1 Description Assembly, secondary paper feed Parts packet, harness Cable, 120V fuser Cable, 240V fuser Parts packet, screw Field relocation kit Cable, USB, 2-meter 7100-XXX Parts catalog
  • Lexmark X502n | Service Manual - Page 238
    7100-XXX 7-20 Service Manual
  • Lexmark X502n | Service Manual - Page 239
    fax specifications 1-11 document sizes supported 1-12 miscellaneous 1-12 phone network connectivity 1-11 7100-XXX scan resolutions 1-12 flatbed assembly removal 4-49 front cover assembly removal 4-12 front door interlock switch removal 4-21 fuser aseembly removal 4-6 fuser fan assembly removal 4-43
  • Lexmark X502n | Service Manual - Page 240
    removal 4-57 scan LEDs 3-1 shift 3-2 -2 Index speed dial 3-2 stop/cleat 3-1 output capacities 1-9 P packaging and shipping dimensions 1-4 paper and media specifications 1-7 input and output configurations 1-7 print area 1-7 paper exit assembly removal 4-32 paper feed roller removal 4-32 paper guide
  • Lexmark X502n | Service Manual - Page 241
    2-25 laser unit assembly 2-25 lower feed unit (paper tray 2) 2-28 lower voltage power supply 2-23 main motor 2-14 missing fuser 2-36 missing photodeveloper cartridge 2-33 missing toner cartridge 2-32 modem / fax card 2-43 network 2-40 OPC belt (photodeveloper) cartridge drive 2-36 OPC belt marker
  • Lexmark X502n | Service Manual - Page 242
    2-18 transfer belt unit 2-17 transfer roller clutch 2-18 transfer roller missing 2-34 tray empty 2-29 USB 2-40 waste toner bottle 2-31 waste toner feed 2-39 service error codes 2-3 Setting the country code 3-3 spacing table 2-69 specifications 1-2 supported operating systems 1-2 symptom tables MFP
  • Lexmark X502n | Service Manual - Page 243
    7-3 Packet, parts 7-5 Assembly, secondary paper feed 7-19 Assembly, paper exit (contains fuser exit sensor and flag 7-5 Assembly, bracket (includes marker sensor (transfer belt unit), toner density sensor 7-13 Assembly, registration 7-5 Left tray guide assembly (includes paper size sensor and
  • Lexmark X502n | Service Manual - Page 244
    40X4722 7372640 Cover, laser unit assembly lens 7-9 fuser fan 7-17 Rear cover assembly 7-5 Panel, operator(X500 7-7 Paper tray, universal 7-3 Panel, operator(X502 7-7 Board, Network , right/left scanner 7-5 Tray, ADF input 7-7 Speaker, modem 7-17 Card, modem US 7-15 Guide, cable 7-7 Cable
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
  • 207
  • 208
  • 209
  • 210
  • 211
  • 212
  • 213
  • 214
  • 215
  • 216
  • 217
  • 218
  • 219
  • 220
  • 221
  • 222
  • 223
  • 224
  • 225
  • 226
  • 227
  • 228
  • 229
  • 230
  • 231
  • 232
  • 233
  • 234
  • 235
  • 236
  • 237
  • 238
  • 239
  • 240
  • 241
  • 242
  • 243
  • 244
Lexmark X500n-X502n MFP
7100-XXX
• Table of contents
• Start diagnostics
• Safety and notices
• Trademarks
• Index
Lexmark and Lexmark with diamond design are
trademarks of Lexmark international, inc., registered in
the United States and/or other countries.