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June 2004 © TOSHIBA TEC e-STUDIO200L/202L/230/232/280/282 COPY PROCESS
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6) Transfer
Transfer is the process of transferring the toner image (visible image) formed on the drum surface
onto paper.
- For smooth transfer
In the transfer bias processing of this equipment, bias voltage (+600 VDC) is applied to the regis-
tration roller and transfer unit transport guide to prevent the charge produced by the transfer
charger from flowing into the transfer unit transport guide through the paper.
Output is controlled as follows to realizes the desirable transfability.
Fig. 3-16
Method: A paper passing the side of the drum is
charged to the opposite polarity to the that of
toner by the corona discharge of the transfer
charger.
"
The toner moves from the drum surface onto
the paper.
Fig. 3-15
Paper position against transfer point Transfer output
From leading edge to 11 mm from leading edge (H) 418 µADC
From 11 mm from leading edge to 5 mm from trailing edge (C) 445 µADC
From 5 mm from trailing edge to trailing edge (L) 310 µADC
Drum
Paper
Transfer
charger
Toner
Drum rotation
Direction of
transportation
Transfer charger
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