Lexmark CX930 User Manual page 360

Troubleshoot a problem
Horizontal dark lines
Notes:
•
Before solving the problem, print the Print Quality Test Pages. From the home screen, touch Settings >
Troubleshooting > Print Quality Test Pages.
•
If horizontal dark lines keep appearing on the prints, then see the "Repeating defects" topic.
Action
Step 1
a
Depending on your operating system, specify the paper type
from the Printing Preferences or Print dialog box.
Notes:
•
Make sure that the setting matches the paper loaded.
•
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 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 horizontal dark lines appear on prints?
Step 3
a
Remove the printhead wiper, and then clean the printhead
lenses.
b
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.
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