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1-26 Service Manual
5023-110
3. Developing is processed by toner adhering to the OPC belt due to the attraction between the toner and
the -VR(V) charge at the exposed area of OPC belt. The toner image becomes visible on the OPC belt.
Note: No developing takes place on the non-exposed area because the potential of toner and that of
the non-exposed area of the OPC belt is an identical pole and therefore, repels.
First transfer (drum) process
The first transfer process consists of toner images on the OPC belt being transferred to the transfer belt.
The transfer belt is composed of a special rubber. See “Printer theory of operation” on page 1-14 for
transfer belt location.
1. After the development process, the OPC belt rotates making contact and synchronizing with the
transfer belt and the aluminum drum.
2. The OPC belt has been biased to -CBV(V) potential. The potential of the transfer belt and drum is
nearly GND.
3. Toner on the OPC belt is moved to the transfer belt. This occurs because of the difference of potential
between the OPC belt and the transfer belt. Toner that has been developed, in each color, is moved
from the OPC belt to the transfer belt and the two color toner image is overlapped on the transfer belt.
Transfer belt
Aluminum drum tube
Aluminum drum tube
Film (transfer belt)