Lexmark CS820 Series User Manual

Action Yes No
Step 1
a Depending on your operating system, decrease the toner
darkness from the Printing Preferences or Print dialog.
Note: You can also change the settings on the printer control
panel.
b Resend the print job.
Does gray background still appear on prints?
Go to step 2. The problem is
solved.
Step 2
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.
Does gray background still appear on prints?
Contact
customer
support.
The problem is
solved.
Horizontal dark lines
ABCDE
ABCDE
ABCDE
Note: If horizontal dark lines keep appearing on your prints, then see the “Repeating defects” topic.
Action Yes No
Step 1
a Depending on your operating system, specify the tray or feeder
from the Printing Preferences or Print dialog.
b Resend the print job.
Do horizontal dark lines still appear on prints?
Go to step 2. The problem is
solved.
Troubleshooting 90

Lexmark CS820 Series Specifications

General

Brand	Lexmark
Model	CS820 Series
Category	Printer
Language	English