• On the Menu Settings page, check if the print resolution is set to 600 dpi and the toner darkness is set
to Normal.
• Check the toner cartridges for damage, and replace if necessary.
• Make sure that the correct print driver is used to prevent print problems. If the wrong print driver is
installed, then incorrect characters could print and the copy may not fit the page correctly.
Gray background on prints check
Note: Before performing this print quality check, go to the control panel home screen and navigate to
Settings > Troubleshooting > Print Quality Test Pages, and then perform the initial print quality check. See
“Initial print quality check” on page 44.
Actions Yes No
Step 1
a Turn o the printer, wait for 10 seconds, and then turn on the
printer.
b From the printer control panel:
1 Increase the toner darkness in the Quality menu.
Note: 8 is the factory default setting.
2 Set the paper type, texture, and weight in the Paper menu
to match the paper loaded.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
Check if the printer is using a genuine and supported Lexmark
toner cartridge.
Note: If the printer is using a third‑party cartridge, then refer the
users to their cartridge supplier.
Is the printer using a genuine and supported toner cartridge?
Go to step 4. Go to step 3.
Step 3
Install a genuine and supported toner cartridge.
Does the problem remain?
Go to step 4. The problem is
solved.
4064
Diagnostics and troubleshooting
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