Lexmark CX930 User Manual page 364

Troubleshoot a problem
Vertical white 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 box.
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 white lines appear on prints?
Step 2
Check if you are using the recommended paper type.
a
Load the specified paper source with the recommended paper
type.
b
Print the document.
Do vertical white 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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