Toner on Back of Print
There is toner on the back of the printed sheet of paper.
Initial Actions:
Perform Initial Actions from
Print Quality Troubleshooting Practices
Areas of the Printer that Apply to Toner on Back of Print
Imaging Unit
Transfer Unit
Troubleshooting Steps
Resolution
1. Check and clean the Exit Rollers and paper path for toner or debris. Does this
correct the problem?
Yes – Complete.
No - Go to Step 2.
2. Verify the printer is operating within its environmental specifications.
Yes – Go to Step 3.
No - Advise customer on the
specifications.
3. Inspect the Transfer Unit. Has the cleaning blade flipped or failing to clean the
Transfer Unit?
Yes – Replace the Transfer Unit.
No - Go to Step 4.
4. Select the “Special” media setting and experiment with alternate settings, such
as the next heaviest or
lightest paper type. Does this correct the problem?
Yes – Complete.
No - Go to Step 5.
5. Test the Fuser. Print a test print and monitor the Fuser temperatures. Are
temperatures within specification.
Yes – Replace Engine Control
Board
No - Replace the Fuser.