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Lexmark MX912

Lexmark MX912

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Lexmark MS911 & MX91x ? The Print in a Long-Edge Fed (LEF) Paper Is Cut Off

What you will see

About an inch of the printout is cutoff when the paper is long-edge fed (LEF). This defect does not occur in short-edge feeding (SEF). The images below show the difference between short and long-edge feeding and their corresponding printouts.


NOTE: The four red arrows depict the side of the paper that first enters the printer.

Click Images to Enlarge
Long-edge feedingShort-edge feeding
One side of the print was cut off after long-edge fed printing.No print defect found when paper is short-edge fed.

Possible causes

Any of the following can cause this type of print defect:

  • Contaminated laser lens
  • Scratched or creased Transfer belt
  • Toner dust or moisture build-up on the Transfer belt cleaner blade
  • Fuser exit rear-end memory

Suggested Remedy

The printer has several built-in cleaning methods that will allow you to clean the possible contaminated parts listed above. Utilizing the laser lens cleaner, corona wire cleaner and discharge brushes should resolve several types of print quality defect, including those shown in the preceding images.

The proper cleaning procedures are outlined in the printer’s User’s Guide under the section “Maintaining the Printer”. Click the appropriate printer model below to view its corresponding User’s Guide.

IMPORTANT! The printhead wiper and corona wire cleaner must be inserted all the way to the end of the slot when cleaning the laser lens and the corona wire, as the defects may come from the far side of the imaging system (just as shown in the sample images). Should this issue persist, please contact Lexmark Technical Support for other troubleshooting suggestions.

Contacting Lexmark

If you require additional assistance, please close this window and locate

Get In Touch with Lexmark! for contact information.
NOTE: When calling for support, you will need your printer model/machine type and serial number (SN). Should you need help locating these, Serial Number, Machine Type, and Configuration ID Location for the Lexmark MS, MX, XM, CS, CX, XC, 91X - 92x Series Printers and MFPs.

Please be near the products described in this article to expedite the support process and reduce callbacks

LEGACY ID: SO7729
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