Lexmark CS820 Series User Manual page 97

Troubleshooting
Action
1
Measure the distance between the defects.
•
If the distance between the defects equals 35.4 mm
(1.39 in.) or 125.7 mm (4.95 in.), then replace the
photoconductor unit.
•
If the distance between the defects equals 42.0 mm
(1.65 in.), then replace the developer unit.
•
If the distance between the defects equals 47.1 mm
(1.86 in.) or 90.0 mm (3.54 in.), then replace the transfer
module.
•
If the distance between the defects equals 78.5 mm
(3.09 in.), then replace the transfer roller.
•
If the distance between the defects equals 96.6 mm
(3.80 in.) or 127.6 mm (5.02 in.), then replace the fuser.
2
Resend the print job.
Do the repeating defects still appear?
Solid color or black images
Action
Step 1
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.
Is the printer still printing solid color or black images?
Step 2
Replace the imaging unit or imaging kit, and then resend the print
job.
Is the printer still printing solid color or black images?
Yes
Take note of the
distance, and then
contact customer
support or your service
representative.
Yes
Go to step 2.
Contact customer
support.
97
No
The problem is solved.
No
The problem is
solved.
The problem is
solved.