• Check to ensure the correct printer driver for the installed software is being used. An incorrect printer
driver for the installed software can cause problems. Incorrect characters could print, and the copy may
not fit the page correctly.
Gray background or toner fog check
Actions Yes No
Step 1
a Turn o the printer, wait for 10 seconds, and then turn on the
printer.
b From the 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.
4514-6xx
Diagnostics and troubleshooting
41
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