Transfer Bias; Itb Contact And Release - Ricoh MP C2504 Field Service Manual

7. Detailed Descriptions
[A]: Image transfer belt
[B]: ITB drive roller
[C]: PCU motor: Black/ ITB drive motor

Transfer Bias

The bias to the Image transfer belt is applied to the image transfer roller of each color from the transfer
power pack.
[A]: Image transfer belt
[B]: Image transfer roller
The 5 springs, in order from the right (double-side unit), consist of "C (cyan), secondary transfer, BK
(black), Y (yellow) and M (magenta)" transfer bias terminals.

ITB Contact and Release

To prevent early deterioration of the color photosensitive drum, the Image transfer belt unit is provided
with a contact/separation mechanism and, during monochrome printing, separation of the image
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