Lexmark CS921 User Manual page 112

Troubleshooting
Action
Step 3
a
Using the Print Quality Test Pages, measure the distance
between the defects on the affected color page.
b
Replace the supply item that matches the measurement on the
affected color page.
Transfer roller
63 mm (2.48 in.)
Transfer belt
76 mm (2.99 in.)
Fuser
•
98 mm (3.86 in.)
•
124 mm (4.88 in.)
•
158 mm (6.22 in.)
c
Print the print quality test pages.
Do the defects still appear?
Solid color or black images
Note: Before solving the problem, print the print quality test pages. From the home screen, touch Settings >
Troubleshooting > Print Quality Test Pages.
Action
Step 1
a
Inspect the test pages to determine which color is affected.
b
Remove, and then reinstall the photoconductor unit.
Warning—Potential Damage: Do not expose the
photoconductor unit to direct light for more than one minute.
Extended exposure to light may cause print quality problems.
Warning—Potential Damage: Do not touch the
photoconductor drum. Doing so may affect the quality of
future print jobs.
c
Print the document.
Is the printer still printing solid color or black images?
Yes No
Take note of the The problem is
distance, and then solved.
contact customer
support or your
service
representative.
Yes No
Go to step 2. The problem is
solved.
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