Adf Mode - Ricoh IS450S Service Manual

22 December 1998 SCANNER MECHANISMS

2.2.2 ADF MODE

Overview
[D]
[C]
[B]
[F]
[A]
[G]
[E]
[L]
[M]
[H]
[N]
[I]
[J]
[K]
G411D517.WMF
When the originals are placed on the document table [A], the document sensor [B]
detects them. The pick-up roller [C] picks up the originals and transports them to
the feed roller [D]. The separation roller [E] turns in the opposite direction to the
feed roller. As a result, just one original is sent to the paper transport drum [G]. The
feed sensor [F] detects whether the original has reached the transport drum or not.
Then the original turns with the transport drum through the read sensor [H]. While
the original passes over the ADF scanning position [J], the scanner [K] reads the
original. After reading, the original goes to the exit table [N]. The feed-out sensor
[M] detects whether the original is fed out or not. The relay sensor [L] detects when
an original is jammed in the area between the read sensor and the feed-out
sensor. This sensor is monitored at all times except when the ADF is feeding a
document.
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