Canon iR Advance 400iF/ 500iF Toner soiling at the back side of paper

[Serviceman]

Models list: imageRUNNER ADVANCE 500iF, 500i, 400i, 400iF
Image Failure: 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

[Krasnowekm]

я так понял используются тонер-картриджи Canon C-EXV49, те же что и на серии imageRUNNER Advance С33хх - про них что-то должно быть известно?
FORREST, а что по качеству печати можете на нем сказать? Что уже успели на нем попечатать?