Lexmark CX930 User Manual page 363

Troubleshoot a problem
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 horizontal white lines appear on prints?
Step 2
a
Load the specified paper source with the recommended paper
type.
b
Print the document.
Do horizontal 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?
Step 4
a
Remove the photoconductor units.
Warning—Potential Damage: Do not expose the
photoconductor units to direct light. Extended exposure to
light may cause print quality problems.
Warning—Potential Damage: Do not touch the
photoconductor drums. Doing so may affect the quality of
future print jobs.
b
Insert the photoconductor units.
c
Print the document.
Do horizontal white 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.
Contact customer The problem is
support. solved.
363