Lexmark CX827 User Manual page 246

Troubleshooting
Action
Step 1
a
Depending on your operating system, specify the paper source
from the Printing Preferences or Print dialog.
b
Print the document.
Do horizontal dark lines appear on prints?
Step 2
a
Depending on your operating system, specify the paper type
from the Printing Preferences or from 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 horizontal dark lines appear on prints?
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
Print the document.
Do horizontal dark lines appear on prints?
Step 4
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 horizontal dark lines appear on prints?
Step 5
Replace the imaging unit, and then print the document.
Do horizontal 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.
Go to step 5. The problem is
solved.
Contact customer The problem is
support. solved.
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