Lexmark W850n Service Manual
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Lexmark W850n Service Manual

Lexmark W850n Service Manual

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Revision: January 7, 2010
™
Lexmark
W850n and W850dn Printer
4024-110
• 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.

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Summary of Contents for Lexmark W850n

  • Page 1 W850n and W850dn Printer 4024-110 • 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.

  • Page 2: How To Use This Parts Catalog

    4024-110 7. Parts catalog How to use this parts catalog The following legend is used in the parts catalog: Assem Units/ Part bly- Units/mach kit or Description number Index • Assembly-index: Identifies the assembly and the item in the diagram. For example, 3-1 indicates Assembly 3 and the item number 1 in the table.

  • Page 3: Assembly 1: Covers And Operator Panel (1 Of 2)

    4024-110 Assembly 1: Covers and operator panel (1 of 2) Printer Service Manual...
  • Page 4 4024-110 Assembly 1: Covers and operator panel (1 of 2) Assembly Part Units/ Units/ kit Description - Index number mach or pkg 40X5566 Operator panel assembly 40X5561 Operator panel controller card 40X5563 Operator panel cable 40X5564 Operator panel USB cable assembly 40X0553 Switch (printer front door interlock) 40X0558...

  • Page 5: Assembly 2: Covers

    4024-110 Assembly 2: Covers Assembly Part Units/ Units/ kit Description - Index number mach or pkg 2–1 40X0566 Rear motor cover 40X2382 TVOC filter assembly 40X0565 Cable hookup door kit includes: • Cable hookup cover • Cable hookup door 40X0568 Option hookup cover 40X0567 Rear lower cover (110 V)

  • Page 6: Assembly 3: Media Feed Unit

    4024-110 Assembly 3: Media feed unit Assembly Part Units/ Units/ kit Description - Index number mach or pkg 40X0570 Switch (media size) 40X0569 Media tray catch kit includes: • Media tray catch • Media tray slide (2 each) 40X0572 Vertical turn guide 40X0571 Vertical turn mylar guide Parts catalog...

  • Page 7: Assembly 4: Media Feed Unit Exploded (Tray 1 And Tray 2)

    4024-110 Assembly 4: Media feed unit exploded (tray 1 and tray 2) Printer Service Manual...
  • Page 8 4024-110 Assembly 4: Media feed unit exploded (tray 1 and tray 2) Assembly Part Units/ Units/ kit Description - Index number mach or pkg 4–1 40X0581 Media feed unit assembly 40X0582 Media feed lift motor 40X0585 Media feed drive gear kit includes: •...

  • Page 9: Assembly 5: Media Tray

    4024-110 Assembly 5: Media tray Printer Service Manual...
  • Page 10 4024-110 Assembly 5: Media tray Assembly Part Units/ Units/ kit Description - Index number mach or pkg 5–1 40X0573 Media tray assembly includes: (this comes assembled) • Media tray assembly • Labels (2 each) 40X0578 Media tray end guide kit includes: •...

  • Page 11: Assembly 6: Mpf Unit

    4024-110 Assembly 6: MPF unit 7-10 Printer Service Manual...
  • Page 12 4024-110 Assembly 6: MPF unit Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 6–1 40X0600 MPF rear cover 40X0599 MPF front cover 40X6000 MPF feed unit assembly 40X0608 MPF fold down tray assembly 40X0597 MPF unit cable assembly 40X0755 MPF pickup spring 40X0598...

  • Page 13: Assembly 7: Mpf Unit Feed

    4024-110 Assembly 7: MPF unit feed 7-12 Printer Service Manual...
  • Page 14 4024-110 Assembly 7: MPF unit feed Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 7–1 40X0605 MPF transport roll kit includes: • MPF transport shaft collar • MPF transport gear 18T • MPF transport roll assembly •...

  • Page 15: Assembly 8: Left Lower Door And Transport

    4024-110 Assembly 8: Left lower door and transport 7-14 Printer Service Manual...
  • Page 16 4024-110 Assembly 8: Left lower door and transport Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 8–1 40X0609 Vertical drive gear assembly 40X0610 Switch (left lower door interlock) 40X1386 Bushing 6 mm (transport roll rear) 40X1387 Transport roll kit includes: •...

  • Page 17: Assembly 9: Left Door And Transfer Roll

    4024-110 Assembly 9: Left door and transfer roll 7-16 Printer Service Manual...
  • Page 18 4024-110 Assembly 9: Left door and transfer roll Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 9–1 40X0553 Switch (printer left door interlock) 40X0618 PC cartridge shutter link 40X0617 Transfer roll power contact 40X0616 Transfer roll assembly 40X0619 Transfer roll guide assembly 7-17...

  • Page 19: Assembly 10: Printer Left Door

    4024-110 Assembly 10: Printer left door 7-18 Printer Service Manual...
  • Page 20 4024-110 Assembly 10: Printer left door Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 10–1 40X0620 Printer left door assembly (this comes assembled) 40X0624 Printer left door support strap 40X0623 Left door duplex entrance guide 40X0621 Printer left door assembly handle kit includes: •...

  • Page 21: Assembly 11: Registration

    4024-110 Assembly 11: Registration 7-20 Printer Service Manual...
  • Page 22 4024-110 Assembly 11: Registration Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 11–1 40X0629 Transport clutch assembly includes: • Bushing 4.5 mm front • Bushing 4.5 mm rear • Shaft • Transport clutch gear 19T • Transport clutch 40X0628 Registration mylar guide assembly 40X0625...

  • Page 23: Assembly 12: Printhead, Cartridge Guides, And Fans

    4024-110 Assembly 12: Printhead, cartridge guides, and fans 7-22 Printer Service Manual...
  • Page 24 4024-110 Assembly 12: Printhead, cartridge guides, and fans Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 12-1 40X0639 Toner add motor assembly 40X0640 Fuser cooling fan 40X0636 Sensor (RFID toner cartridge) 40X0641 Printhead assembly 40X0631 PC cartridge stop 40X0644 PC cartridge sensor connector 40X1390...

  • Page 25: Assembly 13: Fuser

    4024-110 Assembly 13: Fuser 7-24 Printer Service Manual...
  • Page 26 4024-110 Assembly 13: Fuser Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 13-1 40X0588 Sensor (fuser exit) 40X5931 Sensor (fuser exit) assembly with actuator 40X0647 Fuser assembly 110 V (this comes assembled) 40X0648 Fuser assembly 220 V (this comes assembled) 40X0646 Fuser assembly 100 V (this comes assembled) 7-25...
  • Page 27 4024-110 Assembly 14: Standard Exit 1 7-26 Printer Service Manual...
  • Page 28 4024-110 Assembly 14: Standard Exit 1 Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 14-1 40X0649 Exit 1 media shift assembly (this comes assembled) 40X0655 Standard exit 1 top cover 40X0657 Standard bin full exit 1 actuator kit includes: •...

  • Page 29: Assembly 15: Dual Unit Drive Motor

    4024-110 Assembly 15: Dual unit drive motor 7-28 Printer Service Manual...
  • Page 30 4024-110 Assembly 15: Dual unit drive motor Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 15–1 40X0660 Dual drive motor assembly 40X0659 Exit 1 drive belt 40X0661 Drive belt flange 40X0658 MPF & transport roll idler gear kit includes: •...

  • Page 31: Assembly 16: Electrical

    4024-110 Assembly 16: Electrical 7-30 Printer Service Manual...
  • Page 32 4024-110 Assembly 16: Electrical Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 16–1 40X0664 Exit interface card assembly 40X5562 RIP card assembly 40X0673 HCF hookup connector assembly 40X0672 Rear RIP card cover 40X0665 Printer engine card assembly 40X0670 AC power input socket kit includes: •...

  • Page 33: Assembly 17: Electrical Cables

    4024-110 Assembly 17: Electrical cables assem Part Units/ Units/ kit bly- Description number mach or pkg Index 17–1 40X0686 RFID sensor cable assembly 40X0681 Fuser AC cable assembly 40X0684 Main switch cable assembly 7-32 Printer Service Manual...

  • Page 34: Assembly 18: Electrical Cables

    4024-110 Assembly 18: Electrical cables Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 18–1 40X0683 Interlock switch cable assembly 40X0673 HCF hookup connector assembly 40X0637 Multi connector cable assembly 1 40X0676 Media size switch cable assembly 40X0682 Multi connector cable assembly 3 40X1390...

  • Page 35: Assembly 19: Electrical Cables

    4024-110 Assembly 19: Electrical cables Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 19–1 40X0677 RIP card cable assembly 40X0685 Dual drive motor cable assembly 40X0674 Media feed unit cable assembly 40X0675 MPF hookup cable assembly 40X0670 AC power input socket kit includes: •...

  • Page 36: Assembly 20: Electrical Cables

    4024-110 Assembly 20: Electrical cables Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 20–1 40X0680 Multi connector cable assembly 2 40X0678 Printhead cable assembly 7-35 Parts catalog...

  • Page 37: Assembly 21: Electrical Cable

    4024-110 Assembly 21: Electrical cable Assem Part Units/ Units/ kit bly- Description number mach or pkg Index 21–1 40X0679 Exit interface cable assembly 7-36 Printer Service Manual...

  • Page 38: Assembly 22: Power Cords

    4024-110 Assembly 22: Power cords Assem Part Units/ Units/ kit Description bly- number mach or pkg Index 22–NS 40X0269 Power cord—USA ET AL 8ft right angle 40X0296 Power cord—Australia 6ft straight 40X0297 Power cord—USA ET AL 6ft straight 7-37 Parts catalog...

  • Page 39: Assembly 23: Miscellaneous

    4024-110 Assembly 23: Miscellaneous Asm- Part Units/ Units/ kit Description Index number mach or pkg 23-NS 40X0956 Maintenance kit (110 V) • Fuser unit assembly • Transfer roll assembly • Feed rolls (4 each) • Pick rolls (4 each) • Separation rolls (4 each) 40X0957 Maintenance kit (220 V) •...

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W850dn

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