Lexmark 4021 User Manual page 226

Troubleshooting
Action
Step 2
a
Clean the charger and the printhead lens.
b
Resend the print job.
Is the printer printing solid black pages?
Step 3
Replace the photoconductor unit, and then resend the print job.
Is the printer printing solid black pages?
Repeating defects appear on prints
Action
Step 1
a
Clean the charger and the printhead lens.
b
Resend the print job.
Do repeating defects still appear on prints?
Step 2
a
Replace the photoconductor unit if the distance between the
defects is equal to 95.8 mm (3.77 in.).
b
Resend the print job.
Do repeating defects still appear on prints?
Step 3
a
Replace the 300K maintenance kit if the distance between the
defects is equal to either of the following:
•
62.65 mm (2.47 in.)
•
75.85 mm (2.99 in.)
b
Resend the print job.
Do repeating defects still appear on prints?
Yes No
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.
Go to step 3. The problem is
solved.
Contact customer The problem is
support. solved.
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