8.7 Toner on Reverse Side of Paper
• Fixing unit pressure roller
3. Inspect the EP-L cartridge for signs of leaking toner.
4. Swap the fixing unit.
8.8 Vertical Black Streaks
The symptoms are caused by a dirty primary charge roller, by
failure of the OPC drum, or by failure of the fixing unit.
Lift the drum shield. If you can see the streaks on the surface
of the OPC drum, replace the EP-L cartridge. If you can see the
streaks on the surface of the fixing unit, replace the fixing unit.
Swap the following FRUs:
1. EP-L cartridge
2. Fixing unit
8.9 Black, Irregular, and Smudged Vertical Bands
Caused by a failure of a cleaning component in the EP-L cartridge.
Replace the EP-L cartridge.
8.10 Black, Irregular, and Smudged Horizontal Bands
Caused by a failure of a component in the fixing unit or EP-L
cartridge. Examine the spacing between the bands and do the
following:
1. If the spacing of the bands is regular, replace the EP-L
cartridge.
2. If the spacing of the bands is random or irregular, replace the
fixing unit.
Image Defects FIPS
8–7
