Lexmark MX931 User Manual page 337

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Troubleshoot a problem
Action
Step 2
a
Remove, and then insert the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit
to direct light. 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.
b
Print the document.
Is the printer printing solid black pages?
Step 3
Check the imaging unit for signs of damage.
Note: Make sure that the photoconductor drum contact is not
bent or out of place.
Does the imaging unit have damage?
Step 4
a
Replace the imaging unit.
b
Print the document.
Is the printer printing solid black pages?
Text or images cut off
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
Check if the printer is using a genuine and supported Lexmark
toner cartridge.
Note: If the toner cartridge is not supported, then install a
supported one.
b
Print the document.
Is the text or image clipped?
Yes
No
Go to step 3.
The problem is
solved.
Go to step 4.
Contact
support.
Contact
customer
The problem is
support.
solved.
Yes
No
Go to step 2.
The problem is
solved.
337
customer

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