Lexmark M C240FW User Manual page 175

Troubleshoot a problem
Action
Step 3
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.
Do vertical dark lines appear on prints?
Horizontal white 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 white lines keep appearing on your prints, then see the "Repeating defects" topic.
Yes No
Contact customer The problem is
support. solved.
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