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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

  • P
    Phillip ScottSep 4, 2025
    Why incorrect characters print on Lexmark C780?
    • E
      Elizabeth SchneiderSep 4, 2025
      If incorrect characters are printing on your Lexmark Printer, and you are using a parallel interface, ensure you are using an IEEE 1284-compliant parallel cable. If 'Ready. Hex Trace' appears on the display, turn the printer off and back on to exit Hex Trace mode.
  • A
    Amanda WilliamsSep 18, 2025
    What to do if operator panel display is blank on Lexmark Printer?
    • G
      garcialeonardSep 18, 2025
      If the operator panel display is blank or displays only diamonds on your Lexmark Printer, turn the printer off, wait about 10 seconds, and turn it back on. If the messages do not appear, turn the printer off and call for service.
  • B
    benjaminchristinaSep 16, 2025
    How to prevent unexpected page breaks on Lexmark C780?
    • M
      micheal15Sep 16, 2025
      If unexpected page breaks occur on the Lexmark Printer, set 'Print Timeout' to a higher value from the Setup Menu.
  • B
    barbaramooreSep 14, 2025
    How to reprint page that jammed on Lexmark C780 Printer?
    • F
      freydonnaSep 14, 2025
      If the page that jammed does not reprint after you clear the jam on your Lexmark Printer, set 'Jam Recovery' to 'Auto' or 'On' in the Setup Menu/ Print Recovery section.
  • B
    Brittany MooreSep 12, 2025
    Why tray linking does not work on Lexmark C780?
    • J
      Jessica RobinsonSep 12, 2025
      If tray linking does not work on your Lexmark Printer, ensure both the size and type of media are the same in both trays. Also, make sure the paper guides in the trays are set for the correct size media, and the menu values for both size and type are set correctly in the Paper Menu.
  • E
    Edward HarveySep 12, 2025
    What does error reading USB drive mean on Lexmark Printer?
    • R
      Robert CrawfordSep 12, 2025
      If the message 'Error reading USB drive' appears when using a USB device with your Lexmark Printer, the USB device you are using may not be supported or has an error. Only specific USB flash memory devices are supported. For information regarding tested and approved USB flash memory devices, see the Lexmark Web site at www.lexmark.com.
  • M
    Megan ReedSep 9, 2025
    Why large jobs do not collate on Lexmark Printer?
    • R
      Ryan AlexanderSep 9, 2025
      If large jobs do not collate on the Lexmark Printer, set 'Collation' to 'On' in the Finishing Menu or through the printer driver. Note that setting 'Collation' to 'Off' in the driver overrides the setting in the Finishing Menu.
  • R
    Raymond FosterSep 7, 2025
    What to do if held jobs do not print on Lexmark C780?
    • Q
      qwhiteSep 7, 2025
      If held jobs do not print on the Lexmark Printer, it may be due to a formatting error or invalid data. Try printing the job (note that only part of it may print), then delete the job. You can also free up additional printer memory by deleting other held jobs.
  • Z
    zcameronSep 5, 2025
    Why job prints from the wrong tray on Lexmark C780?
    • T
      Tim OwenSep 5, 2025
      If the job prints from the wrong tray or on the wrong paper or specialty media on the Lexmark Printer, ensure the 'Paper Size' and 'Paper Type' specified in the printer driver match the paper size and type in the tray and what is set on the printer's operator panel.
  • A
    anthony44Aug 20, 2025
    Why my jobs do not print on Lexmark C780 Printer?
    • A
      Anthony RothAug 21, 2025
      Jobs may not print on the Lexmark Printer due to several reasons. First, ensure that 'Ready' or 'Power Saver' is displayed before printing; if not, press the button to return to the 'Ready' state. Another reason might be a full output bin, so remove the paper stack. Verify that the tray isn't empty and is loaded with paper. Check that you're using the correct printer driver for the Lexmark C780, C782, especially if using a USB port with Windows Vista, Windows 2000, Windows XP, or Windows Server 2003. Also, confirm that your MarkNet N8000 series internal print server is correctly set up and connected, referring to the Software and Documentation CD or the Lexmark website for guidance. Finally, ensure you're using a recommended interface cable and that it's securely connected.

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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