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Lexmark W840 - Service Manual

Lexmark W840
493 pages
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Lexmark™
W840 Options
4024-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.
Edition: September 20, 2013

Table of Contents

Other manuals for Lexmark W840

Questions and Answers

  • M
    Michael EdwardsSep 23, 2025
    What does it mean if a print defect repeats every 15 units on my Lexmark W840 Printer?
    • M
      Matthew BennettSep 23, 2025
      If a print quality defect repeats at every 15 units on your Lexmark Printer, the photoconductor kit may be the cause. Replace the photoconductor kit.
  • K
    Kimberly GonzalezSep 23, 2025
    What does it mean if a print defect repeats every 7-8 units on my Lexmark W840 Printer?
    • A
      Amanda HoganSep 23, 2025
      If a print quality defect repeats at every 7 or 8 units on your Lexmark Printer, the toner cartridge may be the cause. Replace the toner cartridge.
  • J
    jleeSep 23, 2025
    What does it mean if a print defect repeats every 22 units on my Lexmark Printer?
    • M
      Michael WrightSep 23, 2025
      If a print quality defect repeats at every 22 units on your Lexmark Printer, the fuser may be the cause. Replace the fuser.
  • I
    idavisSep 23, 2025
    What to do if the Lexmark W840 Printer operator panel display is blank?
    • A
      Alexis LaraSep 23, 2025
      A blank or diamond-filled operator panel display on your Lexmark Printer usually indicates a failed self-test. Turn the printer off, wait 10 seconds, and then turn it back on. If the 'Performing Self Test' and 'Ready' messages still do not appear, the printer needs service.
  • M
    Mary ReidAug 31, 2025
    How to resolve long print times on Lexmark Printer?
    • A
      Arthur VegaAug 31, 2025
      If a job takes longer than expected to print: * The job might be too complex. Reduce complexity by using fewer fonts and images, and fewer pages. * Page Protect might be set to On. Turn Page Protect Off in the Setup Menu.
  • M
    makayla82Aug 25, 2025
    Why does my Lexmark W840 frequently jam?
    • A
      Alyssa GibsonAug 25, 2025
      Frequent paper jams can occur in Lexmark Printers due to: * Using paper that doesn't meet the printer's specifications. Use recommended paper and specialty media. * Overloading the tray or multipurpose feeder. Ensure the paper stack doesn't exceed the maximum height. * Incorrectly positioned guides in the tray. Adjust the guides to fit the paper size. * Paper absorbing moisture. Load paper from a fresh package and store it properly.
  • J
    justinchristensenAug 25, 2025
    What to do if held jobs do not print on Lexmark Printer?
    • S
      sharonsanchezAug 26, 2025
      If held jobs do not print, it could be due to: * A formatting error. Try printing the job (knowing only part of it might print), or delete the job. * The printer has received invalid data. Delete the job. * Insufficient memory. Free up printer memory by deleting other held jobs.
  • Z
    Zachary ClarkAug 26, 2025
    What to do if Lexmark Printer prints blank pages?
    • C
      campbellbrandonAug 26, 2025
      If blank pages feed into the output bin, an incorrect media type might be loaded in the tray. Load the correct media type for your print job, or change the Paper Type setting to match the loaded media.
  • B
    beckerisabellaAug 27, 2025
    Why is my Lexmark W840 printing a blank white page?
    • T
      Tanner WilliamsAug 27, 2025
      If the entire page is white when using your Lexmark Printer, make sure the packaging material is removed from the print cartridge and that the print cartridge is installed correctly. Also, the toner may be low. To utilize the remaining toner, remove the cartridge by gripping the handles with both hands. With the cartridge arrows pointing downward, shake the print cartridge back and forth. Reinstall the cartridge, and then press .
  • D
    David JacksonAug 27, 2025
    Why do jobs not print on my Lexmark W840?
    • H
      hbaileyAug 27, 2025
      Several factors can cause print jobs to fail on a Lexmark Printer. First, ensure that 'Ready' or 'Power Saver' is displayed before printing by pressing the printer's button. If the output bin is full, remove the paper. Also, ensure that the tray has paper. Verify you are using the correct printer driver for your printer. For network printing, check that the printer is properly configured. Finally, ensure you're using the recommended interface cable and that it's securely connected.

Summary

General Information

Tray 2 and Tandem Tray Media Transport

Describes the media path and transport mechanisms for Tray 2 and Tandem Tray options.

High Capacity Feeder (HCF) Operations

Explains HCF media feeding, unit operations, sensors, and motor functions for optimal performance.

Duplex and Exit 2 Components

Identifies key components within the Duplex and Exit 2 options, including motors and sensors.

Diagnostic Information

Confirm Installation Status and POR Sequence

Verifies proper printer setup and details the power-on reset sequence for diagnostic checks.

Error Code Messages

Lists error codes, their contents, and recommended actions for troubleshooting various printer issues.

Service Checks

Provides detailed step-by-step procedures to diagnose and resolve specific printer errors and faults.

Diagnostic Aids

Accessing Service Menus

Details how to enter diagnostic and configuration modes for accessing printer tests.

Diagnostic Mode Tests

Outlines available tests for motors, print output, hardware, and duplex functions.

Hardware Tests

Describes tests for panel, buttons, memory, and port functionality to verify hardware.

Repair Information

Handling ESD-Sensitive Parts

Outlines precautions to prevent damage from electrostatic discharge during service procedures.

Removal Procedures

Provides general instructions and notes before performing part removals and replacements.

2 X 500-sheet drawer (2 TM) Removals

Step-by-step instructions for disassembling the 2X 500-sheet drawer (2TM) unit.

Component Locations

2 TM, TTM, HCF, Duplex, and Exit 2 Components

Illustrates the location of key parts for the 2TM, TTM, HCF, Duplex, and Exit 2 options.

Preventive Maintenance

Safety Inspection Guide

Identifies potential unsafe conditions and hazards during printer operation and maintenance.

Lubrication Specifications

Details recommended lubricants and their application for maintaining moving parts.

Maintenance Recommendations

Outlines routine cleaning and replacement schedules for printer parts to ensure performance.

Parts Catalog

How to Use This Parts Catalog

Explains the legend and structure used in the parts catalog for identifying FRUs.

Assembly 1: 2 X 500-sheet drawer (2 TM)-covers

Lists and illustrates the parts for the 2X 500-sheet drawer (2TM) outer covers.

Assembly 2: 2 X 500-sheet drawer (2 TM)-media tray and media feed units

Lists and illustrates the parts for the 2X 500-sheet drawer (2TM) media tray and feed units.

Assembly 3: 2 X 500-sheet drawer (2 TM)-media tray

Lists and illustrates the parts specific to the 2X 500-sheet drawer (2TM) media tray assembly.

Lexmark W840 Specifications

General IconGeneral
ColorNo
Print technologyLaser
Maximum resolution1200 x 1200 DPI
Time to first page (black, normal)6.8 s
Print speed (black, normal quality, A4/US Letter)50 ppm
Internal memory256 MB
Sound power level (standby)28 dB
Sound pressure level (printing)54 dB
Total input capacity1100 sheets
Total output capacity500 sheets
Maximum input capacity5100 sheets
DisplayLCD
Maximum print size297 x 420 mm
Media types supportedPlain paper, envelopes, card stock, transparencies, paper labels
Media weight (tray 1)Plain paper: 64 to 216 g/m2; Card stock: up to 199 g/m2 Index
Maximum ISO A-series paper sizeA3
Page description languagesPDF 1.5, PPDS
I/O portsUSB, Parallel, 1 internal solutions port (ISP)
Mac compatibilityYes
Compatible operating systemsWindows, Linux, UNIX, Mac, NetWare and OS/400
Recommended operating temperature range (T-T)16 - 32 °C
Sustainability certificatesENERGY STAR
Power consumption (standby)9 W
Power consumption (printing)700 W
Power consumption (PowerSave)105 W
Bundled softwareMarkVision Professional
Operating relative humidity (H-H)8 - 80 %
Weight and Dimensions IconWeight and Dimensions
Dimensions (WxDxH)616 x 520 x 475 mm

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