First Transfer (Drum) Process - Lexmark C720 Service Manual

5024-001

First Transfer (Drum) Process

The first transfer process consists of toner images on the OPC belt
being transferred to the transfer drum. See
Operation" on page 1-14
Note: Semiconductor rubber is attached to the drum surface.
1. After the development process, the OPC belt rotates making
contact and synchronizing with the aluminum transfer drum.
2. The OPC belt has been biased to the potential of -CBV(V).
The potential of the transfer drum is nearly GND.
1-28
Service Manual
for transfer drum location.
"Printer Theory of