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Lexmark C780 - User Manual

Lexmark C780
113 pages
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C780, C782
User’s Guide
July 2007
Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc.,
registered in the United States and/or other countries.
© 2007 Lexmark International, Inc.
740 West New Circle Road
Lexington, Kentucky 40550

Table of Contents

Other manuals for Lexmark C780

Questions and Answers

  • A
    Amanda MaciasSep 2, 2025
    Why does job take longer than expected to print on Lexmark Printer?
    • B
      Brittany JohnsonSep 2, 2025
      If your print job is taking longer than expected on the Lexmark Printer, it could be due to the job's complexity; try reducing the number and size of fonts, the complexity and number of images, and the number of pages. Alternatively, check if 'Page Protect' is set to 'On' in Print Recovery and, if so, set it to 'Off'.
  • J
    John BellAug 31, 2025
    Why blank pages feed into the output bin on Lexmark C780?
    • S
      Sydney GriffinAug 31, 2025
      If blank pages feed into the output bin on the Lexmark Printer, it may be because an incorrect media type is loaded in the tray being printed from. Load the correct type media for your print job, or change the Paper Type to match the type of media loaded.
  • R
    rmoralesAug 29, 2025
    How to fix paper jams before reaching the mailbox on Lexmark Printer?
    • Y
      ypenaAug 29, 2025
      If paper jams occur before reaching the mailbox on the Lexmark Printer, realign the mailbox and the printer. Also, check the electrical connection to ensure the mailbox is connected properly.
  • D
    Dr. Lacey SmithAug 27, 2025
    How to fix consistent misfeeds or jams in feeder of Lexmark Printer?
    • D
      dgutierrezAug 27, 2025
      For consistent misfeeds or jams in the feeder of your Lexmark Printer, try flexing the paper or turning the print media over. Also, check if the feeder is properly installed, paper is loaded correctly, paper is not damaged, paper meets specifications, and guides are positioned correctly for the paper size selected.
  • D
    Denise BowersAug 26, 2025
    What to do if paper jam message remains after removing paper from Lexmark Printer?
    • J
      James ParksAug 26, 2025
      If the Paper Jam message remains after you remove the jammed paper from your Lexmark Printer, clear paper from the entire paper path, and then press .
  • C
    cstevensonAug 25, 2025
    Why does the paper tray lower unexpectedly on Lexmark C780?
    • B
      Brian PetersAug 25, 2025
      If the paper tray lowers unexpectedly on your Lexmark Printer, check to see if your printer is out of paper or has a jam.
  • K
    Keith JonesAug 22, 2025
    What to do if more than one sheet of paper is fed in Lexmark Printer?
    • H
      Heather FrostAug 22, 2025
      If more than one sheet of paper is fed or a sheet is fed improperly in your Lexmark Printer, remove the paper in the printer paper path and check the stack to ensure the paper has been loaded properly. Be sure to remove the top and bottom sheets of each ream of paper that is loaded.

Summary

Installing and Removing Options

Installing a 2000-sheet drawer

Step-by-step instructions for installing the 2000-sheet paper drawer.

Installing a 500-sheet drawer

Step-by-step instructions for installing the 500-sheet paper drawer.

Installing the printer

Procedures for safely placing and installing the printer unit.

Installing memory and option cards

Steps for installing memory and various option cards.

Removing memory and option cards

Procedures for removing memory and option cards from the printer.

Printing

Sending a job to print

How to send a print job from a typical Windows application.

Loading the trays

Instructions for loading paper and media into printer trays.

Loading the multipurpose feeder

Guide for loading paper and media into the multipurpose feeder.

Printing on specialty media (transparencies, labels, other)

Steps for printing on various specialty media types like labels and transparencies.

Printing confidential jobs

Process for sending and retrieving secure print jobs using a PIN.

Maintaining the printer

Print cartridges

Details about print cartridges, including handling and replacement.

Clearing paper jams

Identifying jams

How to recognize and identify paper jams using the operator panel.

Clearing the entire paper path

Step-by-step guide to clear paper jams from all printer areas.

Clearing mailbox, finisher, or output expander jams (Area M)

Specific instructions for clearing jams in optional output devices.

Clearing fuser jams

Procedures for clearing paper jams from the fuser area.

Clearing image transfer unit jams

Steps to clear paper jams from the image transfer unit.

Administrative Support

Setting security using the Embedded Web Server (EWS)

Guide to configuring network security settings via the printer's web interface.

Aligning the image transfer unit

Steps to align the image transfer unit for optimal print quality.

Troubleshooting

Checking an unresponsive printer

Steps to diagnose and resolve an unresponsive printer.

Solving printing problems

Troubleshooting common issues related to printing jobs.

Solving option problems

Troubleshooting guide for installed printer options.

Solving paper feed problems

Troubleshooting common paper feeding issues and jams.

Solving print quality problems

Guide to diagnose and resolve issues affecting print quality.

Solving color quality problems

Solutions for common problems related to color printing output.

Lexmark C780 Specifications

General IconGeneral
Print TechnologyLaser
Maximum Print Resolution1200 x 1200 dpi
Memory128 MB
ConnectivityEthernet, USB
Output Trays Capacity250 sheets
Network ReadyYes
USB PortYes
Media TypeCards, Envelopes, Labels, Plain Paper, Transparencies
Total Media Capacity550 sheets
Maximum Paper SizeA4
Operating Systems SupportedLinux
Toner CartridgesCyan, Magenta, Yellow, Black

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