Lexmark MX310dn User Manual

Page of 269
Action
Yes
No
Step 3
a
Load paper from a fresh package.
Note: Paper absorbs moisture due to high humidity. Store paper in
its original wrapper until you use it.
b
Resend the print job.
Do streaked vertical lines appear on prints?
Go to step 4.
The problem is solved.
Step 4
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.
Do streaked vertical lines appear on prints?
Go to step 5.
The problem is solved.
Step 5
Replace the imaging unit, and then resend the print job.
Do streaked vertical lines appear on prints?
Contact 
 at
 or your service
representative.
The problem is solved.
Toner fog or background shading appears on prints
ABCDE
ABCDE
ABCDE
Action
Yes
No
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?
Go to step 2.
The problem is solved.
Step 2
Replace the imaging unit, and then resend the print job.
Does fog or shading appear on prints?
Contact 
 at
  or your service
representative.
The problem is solved.
Troubleshooting
224