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Lexmark 935dn - C Color Laser Printer Troubleshooting Manual

Troubleshooting guide
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Download this manual See also: User Manual, Setup Manual
Enlarged version
Lexmark™ C935
Clearing Jams Guide

Troubleshooting

Checking an unresponsive
printer
If your printer is not responding, make sure:
•
The power cord is plugged into the printer and a properly
grounded electrical outlet.
•
The electrical outlet is not turned off by any switch or breaker.
•
The Ground Fault Circuit Interrupter (GFCI) has not tripped.
From the back of the printer, press the GFCI Reset button
located above the printer power cord.
•
The printer is not plugged into any surge protectors,
uninterrupted power supplies, or extension cords.
•
Other electrical equipment plugged into the outlet is working.
•
The printer is turned on.
•
The printer cable is securely attached to the printer and the
host computer, print server, option, or other network device.
Once you have checked each of these possibilities, turn the printer
off and then back on. This often fixes the problem.
Door A will not shut properly
Make sure the green paper jam clearance lever behind Door A is
in place:
1
Press down on the white release lever beneath Door A at the
top of the printer, and then open the door.
1
2
Press the A1 green lever down to its normal position.
3
Close Door A.
Solving printing problems
Multiple-language PDFs do not print
The documents contain unavailable fonts.
1
Open the document you want to print in Adobe Acrobat.
2
Click the printer icon.
The Print dialog appears.
3
Select Print as image.
4
Click OK.
Control panel display is blank or
displays only diamonds
The printer self test failed. Turn the printer off, wait about 10
seconds, and then turn the printer back on.
If Performing Self Test and Ready do not appear, turn the
printer off and contact Customer Support.
Error message about reading USB
drive appears
Make sure the USB drive is supported. For information regarding
tested and approved USB flash memory devices, visit the Lexmark
Web site at www.lexmark.com.

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Summary of Contents for Lexmark 935dn - C Color Laser Printer

  • Page 1: Troubleshooting

    If Performing Self Test and Ready do not appear, turn the printer off and contact Customer Support. Error message about reading USB drive appears Make sure the USB drive is supported. For information regarding tested and approved USB flash memory devices, visit the Lexmark Web site at www.lexmark.com.
  • Page 2 • Move the paper guides to the correct positions for the paper EDUCE THE COMPLEXITY OF THE PRINT JOB Copies of the printer software are also available on the Lexmark size loaded in each tray. Web site at www.lexmark.com. Eliminate the number and size of fonts, the number and...

  • Page 3: Solving Option Problems

    Solving option problems RE THE APER IZE AND APER YPE SETTINGS THE ESET THE PRINTER SAME FOR EACH TRAY Turn the printer off. Wait 10 seconds. Turn the printer back on. Option does not operate correctly or • Print a menu settings page and compare the settings for each tray.

  • Page 4: Solving Paper Feed Problems

    Paper jam message remains after jam AKE SURE THE NETWORK SOFTWARE IS CONFIGURED AS THE PAPER ABSORBED MOISTURE DUE TO HIGH is cleared CORRECTLY HUMIDITY • Load paper from a fresh package. For information about installing software for network printing, The paper path is not clear.

  • Page 5: Solving Print Quality Problems

    Solving print quality problems Blank pages Dark lines The information in the following topics may help you solve print quality problems. If these suggestions do not correct the problem, contact Customer Support. You may have a printer part that requires adjustment or replacement. Isolating print quality problems To help isolate print quality problems, print the print quality test pages:...
  • Page 6 Incorrect margins TONER CARTRIDGE MAY BE DEFECTIVE HECK THE APER YPE SETTING Replace the defective toner cartridge. Make sure the Paper Type setting matches the paper loaded in the tray. RE THE PHOTOCONDUCTORS DEFECTIVE HECK THE PAPER Replace the photoconductor(s). Avoid textured paper with rough finishes.
  • Page 7 Print is too light Solid color pages TONER CARTRIDGE MAY BE DEFECTIVE Replace the toner cartridge. Repeating defects These are possible solutions. Try one or more of the following: The printer may need to be serviced. For more information, contact Customer Support. HECK THE DARKNESS BRIGHTNESS AND CONTRAST...

  • Page 8: Solving Color Quality Problems

    These are possible solutions. Try one or more of the following: Uneven print density modify the color of each object in a document. For more information, see the software program Help topics. HECK THE APER YPE SETTING How does the printer know what color to print? When a user prints a document, information describing the type Make sure the Paper Type setting matches the paper loaded in and color of each object is sent to the printer.
  • Page 9 My color transparencies seem dark when they are projected. Manual Color menu By examining Color Samples sets, a user can identify the box Is there anything I can do to improve the color? whose color is the closest to the desired color. The color Object type Color conversion tables combination labeled on the box can then be used for modifying...

  • Page 10: Contacting Customer Support

    The serial number is also listed on the menu settings page. In the U.S. or Canada, call (1-800-539-6275). For other countries/regions, visit the Lexmark Web site at www.lexmark.com.

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935dtn - c color laser printerC935

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