Toshiba 4580, Service Manual

Page: 292 / 379

Mar. 1999 © TOSHIBA TEC 16 - 1 6570/5570 ADF
16. AUTOMATING DOCUMENT FEEDER (ADF)
16.1 Outline
The ADF (Automatic Document Feeder) automatically feeds sheet originals onto the original glass, and
outputs them to the tray after they have been copied. The figure below shows the configuration of the
ADF.
1
Original feed section ................. This mechanism feeds originals one at a time onto the original glass.
It comprises a pickup roller, feed roller, separation pad, aligning
roller and other parts.
2
Original transport section .......... This section transports originals after they exit the original glass. It
comprises a transport belt and rollers for driving the transport belt.
3
Original exit/reversal section ..... This section outputs originals onto the exit tray after copying is com-
pleted. When making copies in the double-sided mode, the original
is guided to the reversal section where it is turned over. The original
is then fed to the original glass again. The original exit/reversal sec-
tion comprises an exit roller, flapper, reversal roller and other parts.
Transport belt
Exit roller
Flapper
Reverse roller
Sent onto the original glass for
duplex copying Original glass Original stopper
Feed roller
Aligning roller
Separation pad
Pick-up roller
Original (face-up)
Original feeding
tray
Exit from ADF