Xerographic Process - Drum-To-Belt Transfer; Drum-To-Belt Transfer - Ricoh Pro C7200x Operating Instructions Manual

2. Mechanism
Xerographic Process – Drum-to-Belt Transfer

Drum-to-Belt Transfer

To enable printing in all five toner colors as well as printing using only special color, the mechanism to
contact/separate the ITB and ITB rollers was modified in the drum-to-belt transfer process for the
machine. Among the following four print modes, the correct mode is selected according to the print data
sent from the printer controller.
• BW mode: Job contains only black data.
• FC mode: Job contains color data.
• FCS mode: Job contains color and special color data.
• S mode: Job contains only special color data.
1 5
1. OPC drum
5. Image transfer roller
6. Intermediary transfer belt(ITB)
By applying a positive (+) bias (transfer current) to the image transfer roller, negatively charged toner (-)
on the drum is attracted to the ITB that positions between the roller and the belt. Any remaining toner on
the drum is cleaned by the drum cleaning unit.
Related Advanced Settings
page 29 "Image Transfer Current"
10
Engine status
Print
(Stations greyed out are inactive.)
mode
S
BW
Paper
S
FC
Paper
S
FCS
Paper
S
S
Paper
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