All your printed pages exhibit a late-life backgrounding effect completely over the entire printout. This effect is also known as dirty pages, haze page, splotches that cover the entire page, or toner background. See sample image below.
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NOTE: For more information, please see KB Solutions ID: SO5338.
A nearly empty toner cartridge or an end-of-life photoconductor is the most likely cause of this issue, hence the term "late-life".
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 your printer's model type and serial number (SN), click here.
Please call from near the printer in case the technician on the phone asks you to perform a troubleshooting task on the printer.