Lexmark 576 User Manual page 133

Troubleshooting
Action
Replace the imaging unit or imaging kit, and then resend the print
job.
Warning—Potential Damage: Do not expose the imaging unit or
imaging kit to direct light for more than 10 minutes. Extended
exposure to light can cause print quality problems.
Warning—Potential Damage: To avoid damage, do not touch the
underside of the imaging unit or imaging kit.
Is the print density uneven?
Vertical dark lines or streaks
Leading edge
ABCDE
ABCDE
ABCDE
Trailing edge
Action
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 can 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 vertical dark lines or streaks still appear on prints?
Vertical white lines
Leading edge
Trailing edge
Yes No
Contact customer The problem is
support. solved.
Yes No
Contact customer The problem is
support. solved.
133