Lexmark CX827 User Manual page 248

Troubleshooting
Action
Step 4
Replace the imaging unit, and then print the document.
Do vertical dark lines appear on prints?
Horizontal white 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 white 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.
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?
Yes No
Contact customer The problem is
support. solved.
Yes No
Go to step 2. The problem is
solved.
Go to step 3. The problem is
solved.
248