Lexmark MS312 User Manual page 201

Troubleshooting
Toner specks appear on prints
Action
Replace the imaging unit, and then resend the print job.
Do toner specks appear on prints?
Toner fog or background shading appears on prints
ABCDE
ABCDE
ABCDE
Action
Step 1
Reinstall the imaging unit.
a
Remove, and then install the imaging unit.
b
Resend the print job.
Does fog or shading appear on prints?
Step 2
Replace the imaging unit, and then resend the print job.
Does fog or shading appear on prints?
Toner rubs off
Leading edge
ABC
DEF
Trailing edge
Yes No
Contact customer The problem is solved.
support.
Yes No
Go to step 2. The problem is solved.
Contact customer The problem is solved.
support at
http://support.lexmar
k.com or your service
representative.
201