Oki C9800 Series, Service & Troubleshooting Manual

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Incomplete Fusing or Cold Offset
The Fuser temperature is set too low for the media loaded in the tray causing improper
fusing resulting in the toner rubbing off easily.
Initial Actions:
Perform Initial Actions from Print Quality Troubleshooting Practices
Verify the correct media type is set at the printer’s Control Panel.
Areas of the Printer that Apply to Incomplete Fusing or Cold Offset
Fuser
Media Thickness Sensor
Troubleshooting Steps Resolution
1. Remove the Fuser covers and inspect for debris between the rollers. Is there
dirt or debris wrapped around or on the Fuser rollers?
Yes – Replace the Fuser.
No - Go to Step 2.
2. Set the media type to the next heaviest setting than the type loaded. Did
this correct the problem?
Yes – Advise customer on
appropriate media type
selection.
No - Go to Step 3.
3. Print a test print and monitor the Fuser temperature with Service Diagnostics.
Is the temperature within its optimal range? Yes – Replace the Fuser.
No - Replace in this order:
Engine Control Board / LVPS