Lexmark CS921 User Manual page 109

Troubleshooting
Action
Step 8
a
Inspect the test pages to determine which color is affected.
b
Replace the photoconductor unit.
c
Print the document.
Is the print still too light?
Mottled print and dots
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
Check the printer for leaked toner contamination.
Is the printer free of leaked toner?
Step 2
a
From the home screen, touch Settings > Device > Preferences.
b
Check if the paper type and size settings match the paper type
and size set in the tray.
Do the settings match?
Step 3
a
Change the paper size and type in the Paper menu or adjust
the size settings in the tray.
b
Print a document.
Is the print still mottled?
Step 4
a
Replace the textured or rough paper loaded in the tray with
plain paper.
b
Print a document.
Is the print still mottled?
Yes No
Contact customer The problem is
support. solved.
Yes No
Go to step 2. Contact
support.
Go to step 4. Go to step 3.
Go to step 4. The problem is
solved.
Go to step 5. The problem is
solved.
109
customer