Transfer Roller Cleaning - Ricoh M156 Service Training

 Toner may transfer to the roller surface following a paper
jam, or if the paper is smaller than the image. Periodic
cleaning of the roller is required to prevent this toner from
migrating back to the rear of new printouts.
 The roller is cleaned automatically at the following times:
 After initial power on
 After clearing of a copy jam
 At job end (if at least 10 sheets have been printed since last
 To clean the roller, the PSU does the following:
 Supplies negative cleaning current (about -4uA) to the
 Supplies positive cleaning current (+5uA) to the roller,
Slide 60
No additional notes

Transfer Roller Cleaning

cleaning)
transfer roller, causing negatively charged toner on the
roller to move back to the drum.
causing any positively charged toner to migrate back to the
drum.
60
Rm-MF1/Rm-P1 Training