Lexmark M3150dn User Manual page 165

Troubleshooting
Action
Step 3
Check if you are using a recommended type of paper.
a
Load the indicated tray or feeder with a recommended type of
paper.
b
Resend the print job.
Do vertical voids appear on prints?
Step 4
a
Redistribute the toner in the imaging unit.
1
Remove the toner cartridge, and then the imaging unit.
2
Firmly shake 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.
3
Reinstall the imaging unit, and then the cartridge.
b
Resend the print job.
Do vertical voids appear on prints?
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?
Yes No
Go to step 4. The problem is
solved.
Contact customer The problem is
support. solved.
Note: The laser
scanning unit may
be defective.
Yes No
Contact customer The problem is
support. solved.
Yes No
Go to step 2. The problem is
solved.
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