Lexmark MS810de - Repeating Defects Appear on Prints; Printer Is Printing Solid Black Pages

Printer is printing solid black pages
Action Yes No
Step 1
a Reinstall the imaging unit.
1 Remove the toner cartridge, and then 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.
2 Install the imaging unit, and then the cartridge.
b Resend the print job.
Is the printer printing solid black pages?
Go to step 2. The problem is solved.
Step 2
Replace the imaging unit, and then resend the print job.
Is the printer printing solid black pages?
Contact
customer
support.
The problem is solved.
Repeating defects appear on prints
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Action Yes No
Step 1
a Replace the imaging unit if the distance between the defects is equal to any
of the following:
• 47.8 mm (1.88 in.)
• 96.8 mm (3.81 in.)
• 28.5 mm (1.12 in.)
b Resend the print job.
Do repeating defects still appear on prints?
Go to step 2. The problem is solved.
Print Quality Guide
Page 11 of 19