Lexmark CX331 User Manual page 176

Troubleshoot a problem
Action
a
Open the front door, and then firmly push it down.
b
Pull out the print cartridge tray.
c
Remove, and then insert the print cartridges.
d
Insert the print cartridge tray, and then close the door.
e
Print the document.
Is the print density uneven?
Horizontal dark lines
Notes:
•
Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to
Settings > Troubleshooting > Print Quality Test Pages. For non-touch-screen printer models, press
to navigate through the settings.
•
If horizontal dark lines keep appearing on the prints, then see the "Repeating defects" topic.
Yes No
Contact customer The problem is
support. solved.
176