Lexmark C780 Information

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Lexmark International, Inc. 1

Lexmark Printers and Multifunction Products:

Hard Disk and Non-Volatile Memory Guide

This guide applies to the following Lexmark devices:

Printers Multifunction Products

C780

X646

C782

X772

C935

X782

T640

X850

T642

X852

T644

X854

X940

X945

March 2011

Version 1.3

Table of Contents

Other manuals for Lexmark C780

User Guide113 pages

Questions and Answers:

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.
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.
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.
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 .
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.
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.
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.
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'.
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.
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.

Lexmark C780 Specifications

General

Print Technology	Laser
Maximum Print Resolution	1200 x 1200 dpi
Memory	128 MB
Connectivity	Ethernet, USB
Output Trays Capacity	250 sheets
Network Ready	Yes
USB Port	Yes
Media Type	Cards, Envelopes, Labels, Plain Paper, Transparencies
Total Media Capacity	550 sheets
Maximum Paper Size	A4
Operating Systems Supported	Linux
Toner Cartridges	Cyan, Magenta, Yellow, Black

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