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November 2003 © TOSHIBA TEC 14 - 1 e-STUDIO3511/4511 TRANSFER UNIT
14
14. TRANSFER UNIT
14.1 General Descriptions
The transfer unit transfers the toner image formed on the photoconductive drum to the transfer belt, and
then transfers it to the paper. The transfer of the toner image from the photoconductive drum to the
transfer belt is called 1st transfer and the transfer from the transfer belt to the paper is called 2nd transfer.
To reproduce a color image, maximum four color images are overlaid on the transfer belt and the overlaid
image is then transferred to the paper. Namely, the transfer belt turns four times for printing of one image.
The transfer belt rotates with the main motor drive.
14.2 Construction
Fig. 14-201
Transfer belt home
position sensor-2
1st transfer roller
Drive roller-2
Transfer belt
Drive roller-1
2nd transfer roller
Transfer belt home
position sensor-1
Idling roller
Drum
Transfer belt
cleaning blade
Used toner
auger
Tension roller
2nd transfer roller position
detection sensor