Lexmark CX827 User Manual page 250

Troubleshooting
Action
Step 2
Check if you are using the recommended paper type.
a
Load the specified paper source with the recommended paper
type.
b
Print the document.
Do vertical white lines still appear on prints?
Step 3
a
Remove, and then insert the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit
to direct light for more than 10 minutes. Extended exposure
to light may cause print quality problems.
Warning—Potential Damage: Do not touch the
photoconductor drum under the imaging unit. Doing so may
affect the quality of future print jobs.
b
Print the document.
Do vertical white lines still appear on prints?
Step 4
Replace the imaging unit, and then print the document.
Do vertical white lines still appear on prints?
Repeating defects
)
)
)
Note: Before solving the problem, print the Print Quality Test Pages. From the home screen, touch Settings >
Troubleshooting > Print Quality Test Pages.
Yes No
Go to step 3. The problem is
solved.
Go to step 4. The problem is
solved.
Contact customer The problem is
support. solved.
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