Lexmark 4021 User Manual page 225

Troubleshooting
Action
Step 1
a
Check if there is a packing material left on the photoconductor
unit.
1
Remove the photoconductor unit.
2
Check if the packing material is properly removed from the
photoconductor unit.
Warning—Potential Damage: Do not expose the
photoconductor unit to direct light for more than 10
minutes. Extended exposure to light may cause print
quality problems.
3
Reinstall the photoconductor unit.
b
Resend the print job.
Is the printer still printing blank pages?
Step 2
a
Clean the charger and the printhead lens.
b
Resend the print job.
Is the printer still printing blank pages?
Step 3
Replace the photoconductor unit, and then resend the print job.
Is the printer still printing blank pages?
Printer is printing solid black pages
Action
Step 1
a
Reinstall the photoconductor unit.
Warning—Potential Damage: Do not expose the
photoconductor unit to direct light for more than 10 minutes.
Extended exposure to light may cause print quality problems.
b
Resend the print job.
Is the printer printing solid black pages?
Yes No
Go to step 2. The problem is
solved.
Go to step 3. The problem is
solved.
Contact customer The problem is
support. solved.
Yes No
Go to step 2. The problem is
solved.
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