Overview
The background defect pictured below is toner (usually of a single color) that runs the length of the page. It generally starts in the vertical margins, but becomes wider as the cartridge continues its run. This background can occur in any color, although
Cyan
is most prevalent. This defect can be seen intensified on print jobs requiring minimum toner to print (low coverage run modes) in low temperature/humidity environments. Below are two examples of the background defect (one in Cyan and one in Yellow).| Click Image to Enlarge |
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| Example printout showing background defect (boxed in red) on the left side of the page. |
Recommended Solution
Identify the status of the particular toner color appearing on the background. To do this:
| Step | Action |
| 1 | Press Menu ( ) on the printer’s operator panel. |
| 2 | Press Supplies Menu. |
| 3 | Check the status of the toner appearing on the background. - If the color in question shows “Low” or “Near End of Life”, replace the toner and see if it resolves the issue.
If the color in question is still “High” or “Ok”, or if you already replaced the toner and the issue still persists, contact Lexmark Technical Support to request replacement for the toner.
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Still need help?
Please contact Lexmark Technical Support if you need additional assistance.
NOTE: When calling for support, you will be asked for your machine/model type and serial number (SN). If you need help locating these, How to Locate the Serial Number, Machine Type, and Configuration ID on a Lexmark C792 or X792 Printer/MFP.
Please call from near the printer in case the technician on the phone asks you to perform a task involving the printer.
LEGACY ID: SO6912