Lexmark CS720 Series, User Manual

Page: 90 / 138

Action Yes No
Step 2
a
Depending on your operating system, specify the paper type
and weight from the Printing Preferences or from Print dialog.
Notes:
•
Make sure that the settings match the paper loaded in
the tray.
•
You can also change the settings on the printer control
panel.
b
Resend the print job.
Do horizontal dark lines still appear on prints?
Go to step 3. The problem is
solved.
Step 3
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
Resend the print job.
Do horizontal dark lines still appear on prints?
Go to step 4. The problem is
solved.
Step 4
a
Remove, and then reinstall the imaging unit or imaging kit.
Warning—Potential Damage: Do not expose the imaging unit
or imaging kit to direct light for more than 10 minutes.
Extended exposure to light may cause print quality problems.
Warning—Potential Damage: To avoid damage, do not touch
the underside of the imaging unit or imaging kit.
b
Resend the print job.
Do horizontal dark lines still appear on prints?
Contact customer
support .
The problem is
solved.
Horizontal white lines
L eading edge
Trai l ing edge
Note: If horizontal dark lines keep appearing on your prints, then see the “Repeating defects” topic.
Troubleshooting 90