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Action Yes No
Step 1
a Depending on your operating system, specify the paper type
from the Printing Preferences or Print dialog box.
Notes:
• Make sure that the setting matches the paper loaded.
• 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 dark lines appear on prints?
Go to step 2. The problem is
solved.
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 horizontal dark 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 dark lines appear on prints?
Contact
customer
support.
The problem is
solved.
Troubleshoot a problem 445
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