Lexmark XC8163 User Manual page 256

Troubleshooting
Vertical dark lines
Note: Before solving the problem, print the Print Quality Test Pages. From the home screen, touch Settings >
Troubleshooting > Print Quality Test Pages.
Action
Step 1
a
Depending on your operating system, specify the paper type
from the Printing Preferences or Print dialog.
Notes:
•
Make sure that the setting matches the paper loaded in
the tray.
•
You can also change the setting on the printer control
panel. From the home screen, touch Settings > Paper >
Tray Configuration > Paper Size/Type.
b
Print the document.
Do vertical dark lines appear on prints?
Step 2
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
Print the document.
Do vertical dark lines appear on prints?
Step 3
a
Remove, and then insert 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.
Warning—Potential Damage: Do not touch the
photoconductor drum under the imaging unit. Doing so may
affect the quality of future print jobs.
b
Print the document.
Do vertical dark lines appear on prints?
Yes No
Go to step 2. The problem is
solved.
Go to step 3. The problem is
solved.
Go to step 4. The problem is
solved.
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