Lexmark C4342, User Manual

Page: 187 / 235

Action Yes No
Step 2
a
Load paper from a fresh package.
Note: Paper absorbs moisture due to high humidity. Store
paper in its original wrapper until you use it.
b
Print the document.
Do vertical dark lines appear on prints?
Go to step 3. The problem is
solved.
Step 3
a
Remove the color imaging kit, and then remove the black
imaging unit.
Warning—Potential Damage: Do not expose the color
imaging kit and black imaging unit to direct light for more
than 10 minutes. Extended exposure to light may cause print
quality problems.
Warning—Potential Damage: Do not touch the
photoconductor drum under the color imaging kit and black
imaging unit. Doing so may affect the quality of future print
jobs.
b
Insert the black imaging unit, and then insert the color imaging
kit.
c
Print the document.
Do vertical dark lines appear on prints?
Contact customer
support .
The problem is
solved.
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.
Troubleshoot a problem 187