Oki C9800 Series User Manual

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.

Oki C9800 Series Specifications

General

Brand	Oki
Model	C9800 Series
Category	Printer
Language	English