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
Leading edge
Trailing edge
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.
Troubleshooting 344
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