Action Yes No
Replace the imaging unit, and then resend the print job.
Is the print density uneven?
Contact
customer
support.
The problem is solved.
Vertical voids appear on prints
Action Yes No
Step 1
a Make sure your software program is using a correct fill pattern.
b Resend the print job.
Do vertical voids appear on prints?
Go to step 2. The problem is solved.
Step 2
a From the printer control panel, set the paper type and weight in the Paper
menu to match the paper loaded in the tray.
b Resend the print job.
Do vertical voids appear on prints?
Go to step 3. The problem is solved.
Step 3
Check if you are using a recommended type of paper.
a Load the specified tray or feeder with a recommended type of paper.
b Resend the print job.
Do vertical voids appear on prints?
Go to step 4. The problem is solved.
Step 4
a Redistribute the toner in the imaging unit.
1 Remove the toner cartridge, and then the imaging unit.
2 Firmly shake 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.
3 Reinstall the imaging unit, and then the cartridge.
b Resend the print job.
Do vertical voids appear on prints?
Go to step 5. The problem is solved.
Print quality Guide
Page 18 of 19