Canon imageRUNNER Advance 400
Troubleshooting. Image Faults 1
Toner soiling at the back side of paper
Location
Fixing Assembly (circumference of Pressure Roller: 94mm)
Transfer Roller (roller circumference: 50mm)
Cause
Fixing Assembly: Toner on the paper comes off and adheres to the Pressure Roller, and then the toner adheres to the back side of the paper. Transfer Roller: Toner remains on the Drum that has stopped at the time of paper jam, and then the residual toner on the Drum adheres to the Transfer Roller during a recovery operation.
Condition
Fixing Assembly: Under conditions that causes poor fixing performance, such as low temperature environment, or when feeding a large number of sheets of halftone image. Or the Fixing Unit comes to the end of its life for replacement. Transfer Roller: When a paper jam occurs. Or the Transfer Roller comes to the end of its life for replacement
Field Remedy
Fixing assembly: Service mode(Lv.2)> COPIER> FUNCTION> CLEANING> FIX-CLN> OK Transfer Roller: Service mode(Lv.2)> COPIER> FUNCTION> CLEANING> TR-CLN> OK
Soiling at the leading/trailing edge of paper
Location
Pre-transfer Guide,
Fixing Inlet Guide
Cause
- Pre-transfer Guide: The leading edge or trailing edge of paper touches the toner adhered to the Pre-transfer Upper Guide.
- Fixing Inlet Guide: The leading edge or trailing edge of paper touches the toner adhered to the Fixing Inlet Upper Guide.
Condition
When a high print chart, such as halftone or black, is continuously fed.
Field Remedy
Clean the toner-adhered Guide with lint-free paper.