Lexmark 4021 User Manual page 224

Troubleshooting
Action
Step 4
Make sure that the paper has no texture or rough finishes.
Are you printing on textured or rough paper?
Step 5
a
Load paper from a fresh package.
Note: Paper absorbs moisture due to high humidity. Store
paper in its original wrapper until you use it.
b
Resend the print job.
Is the print still too light?
Step 6
a
Clean the charger and the printhead lens.
b
Resend the print job.
Is the print still too light?
Step 7
Replace the photoconductor unit, and then resend the print job.
Warning—Potential Damage: Do not expose the
photoconductor unit to direct light for more than 10 minutes.
Extended exposure to light can cause print quality problems.
Is the print still too light?
Printer is printing blank pages
Yes No
From the control Go to step 5.
panel, change the
texture settings in
the Paper Texture
menu to match the
paper you are
printing on.
Go to step 6. The problem is
solved.
Go to step 7. The problem is
solved.
Contact customer The problem is
support. solved.
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