Lexmark MX310 Series - Uneven print density; Vertical voids appear on prints

Uneven print density
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.
Troubleshooting 224