Toshiba e-STUDIO555 Service Manual page 91

(6) Transfer/Separation
Transfer:
Transfer is a process of transferring the toner image (visible image) formed on the drum surface
onto the paper.
An electric charge applied by the high voltage power supply flows to the transfer belt from the
power supply roller. Then it flows to the paper and photo conductor. The toner, which has been
developed on the photo conductor, is transferred to this paper with an electric charge.
Separation:
The paper is absorbed to the belt and separated from the drum by the electrostatic attraction
acting between the belt (plus charge) and the polarization charge (minus charge) on the bottom
surface of the paper.
Reference
• Combined use of transfer belt and separation
finger
To prevent the copy paper from failing to be
separated during the operation, due to
incomplete transfer belt charging or absorption
of moisture, and thus jamming up the cleaner,
a separation finger mechanically separates
any copy paper which fails to be separated.
© 2009 - 2011 TOSHIBA TEC CORPORATION All rights reserved
Drum
Paper
Fig. 3-15
Toner
E
Power supply roller
Fig. 3-16
Separation finger
Paper movement
3 - 7
Transfer
belt
Drum
Paper
Transfer belt
Rotation of drum
Transfer belt
Fig. 3-17
e-STUDIO555/655/755/855
3
COPY PROCESS