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Action Yes No
Step 2
a Load the specified paper source with the recommended paper
type.
b Print the document.
Do horizontal white lines appear on prints?
Go to step 3. The problem is
solved.
Step 3
a Remove the printhead wiper, and then clean the printhead
lenses.
b Print the document.
Do horizontal dark lines appear on prints?
Go to step 4. The problem is
solved.
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
aect
the quality of
future print jobs.
b Insert the photoconductor units.
c Print the document.
Do horizontal white lines appear on prints?
Contact customer
support.
The problem is
solved.
Vertical white lines
Note: Before solving the problem, print the Print Quality Test Pages. From the home screen, touch Settings >
Troubleshooting > Print Quality Test Pages.
Troubleshoot a problem 448
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