Lexmark MX310dn User Manual

Page of 269
Action
Yes
No
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.
Is the printer printing solid black pages?
Go to step 2.
The problem is solved.
Step 2
Replace the imaging unit, and then resend the print job.
Is the printer printing solid black pages?
Contact 
.
The problem is solved.
Repeating defects appear on prints
Action
Yes
No
Step 1
Measure the distance between the defects.
Check for a distance between the defects that equals:
97 mm (3.82 in.)
47 mm (1.85 in.)
38 mm (1.5 in.)
Is the distance between defects equal to one of the listed measurements?
Go to step 2.
1
Check if the
distance between
the defects equal
to 80 mm (3.15 in.)
2
Take note of the
distance, and then
contact 
 at
 
 or
your service
representative.
Step 2
Replace the imaging unit, and then resend the print job.
Do the repeating defects still appear?
Contact 
 at
 
 or your service
representative.
The problem is solved.
Troubleshooting
220