Lexmark MS312 User Manual page 185

Troubleshooting
Action
Step 2
From the printer control panel, set the paper texture, type, and
weight in the Paper menu to match the paper loaded in the tray.
Do the paper texture, type, and weight match the paper in the tray?
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?
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?
Step 5
Replace the imaging unit, and then resend the print job.
Do streaked vertical lines appear on prints?
Yes No
Go to step 3. Do one or more of
the following:
Go to step 4. The problem is
solved.
Go to step 5. The problem is
solved.
Contact customer The problem is
support at solved.
http://support.lexm
ark.com or your
service
representative.
185
•
Specify the paper
texture, type, and
weight from the
tray settings to
match the paper
loaded in the tray.
•
Change the
paper loaded in
the tray to match
the paper
texture, type, and
weight specified
in the tray
settings.