Lexmark MX810dfe User Manual page 343

Troubleshooting
Toner fog or background shading appears on prints
ABCDE
ABCDE
ABCDE
Action
Step 1
a
Reinstall the imaging unit.
1
Remove the toner cartridge, and then the imaging unit.
Warning—Potential Damage: Do not expose the imaging
unit to direct light for more than 10 minutes. Extended
exposure to light may cause print quality problems.
2
Install the imaging unit, and then the cartridge.
b
Resend the print job.
Did the toner fog or background shading disappear from the
prints?
Step 2
Replace the imaging unit, and then resend the print job.
Did the toner fog or background shading disappear from the
prints?
Toner rubs off
Leading edge
ABC
DEF
Trailing edge
Yes No
The problem is Go to step 2.
solved.
The problem is Contact
solved. support.
343
customer