Canon imageRUNNER Advance 4245
Troubleshooting. Image Faults 1
Scattered image at center
Occurrence area
Pre-registration guide (Static eliminator)
Cause
An image is scattered by paper dust stuck on the static eliminator of the pre-registration guide.
Occurrence condition
(A lump of) paper dust is stuck on the static eliminator of the pre-registration guide.
Remedy
Cleaning of the static eliminator of the pre-registration transfer guide
1) Remove the right cover.
2) Lightly tap a contaminated part of the static eliminator to remove the paper dust.
Paper Reverse Side Stained with Toner
Occurrence area
Fixing assembly (circumference of the roller: approx.94mm)
Transfer roller (circumference: approx.50mm)
Cause
Fixing assembly: Toner came off the paper sticks to the pressure roller, and then the toner sticks to the reverse side of the paper. Transfer roller: Toner remained on the drum that had stopped at occurrence of a jam. During the recovery operation performed later, the toner sticks to the transfer roller.
Occurrence condition
Fixing assembly: When fixing ability is poor due to low temperature, a halftone image has been printed on a lot of sheets of paper, or the time for replacement of the transfer unit is near Transfer roller: When a paper jam has occurred or the time for replacement of the transfer roller is near.
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