Specifications

8.6 Dirt on Back of Page
8.6 Dirt on Back of Page
Do the following when toner stains the back of a printed page:
1. Carefully clean the paper guides on the entrance guide,
transport fusing unit entrance, and the paper feed unit. Clean
the entire paper path.
2. Inspect the EP-ED cartridge for leaking toner. If it leaks,
replace the cartridge.
3. Inspect the fusing unit.
• If the lower roller is dirty, replace it.
• Make sure the two installation screws (shown in
Section 9.25) are tightly secured. If the screws are loose,
the fusing unit grounding diodes ( shown in Section 9.25)
might not work.
4. Swap the following:
• Transfer roller
• Fusing unit
8–6 FIPs For Fixing Image Defects