EPSON AcuLaser C1900/AcuLaser C900 Revision B
Operating Principles Description of Mechanisms 105
2.4.5 Transfer Process
2.4.5.1 Transfer Belt Unit
OVERVIEW
Figure 2-17. Transfer Belt Unit
PRIMARY TRANSFER
The toner image on the OPC drum is transferred onto the transfer belt by applying
intermediate transfer bias to the Primary Transfer Roller.
SECONDARY TRANSFER
The toner image on the transfer belt is transferred onto the paper by applying secondary
transfer bias to the Secondary Transfer Roller.
The residual charge on the paper is removed with the charge remover.
Main Motor (M1)
Drive Roller
Transfer Belt
Secondary Transfer Roller
Cleaner Blade
Waste Toner Collection Coil
Primary Transfer Roller
Drive Roller
Intermediate transfer bias
Primary Transfer Roller
Transfer Belt
OPC Drum
Charge
Remover
Charge remove bias
Secondary transfer bias
Drive Roller
Secondary Transfer Roller