Lexmark MS531 User Manual page 132

Troubleshoot a problem
Action
Step 3
a
Depending on your operating system, specify the paper type
from the Printing Preferences or Print dialog.
Notes:
•
Make sure that the setting matches the paper loaded.
•
You can also change the setting on the printer control
panel. From the home screen, touch Settings > Paper >
Tray Configuration > Paper Size/Type.
b
Print the document.
Is the print dark?
Step 4
Check if the paper has texture or rough finishes.
Are you printing on textured or rough paper?
Step 5
a
Replace textured paper with plain paper.
b
Print the document.
Is the print dark?
Step 6
a
Load paper from a fresh package.
Note: Paper absorbs moisture due to high humidity. Store
paper in its original wrapper until you are ready to use it.
b
Print the document.
Is the print dark?
Step 7
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.
Is the print dark?
Step 8
a
Replace the imaging unit.
b
Print the document.
Is the print dark?
Yes No
Go to step 4. The problem is
solved.
Go to step 5. Go to step 6.
Go to step 6. The problem is
solved.
Go to step 7. The problem is
solved.
Go to step 8. The problem is
solved.
Contact customer The problem is
support. solved.
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