Basic Operation; Original Set And Size Detection - Ricoh Di-C1.5a Manual

Original Set and Size Detection

There are four width sensors and three length sensors.
Width sensors: Photointerrupters
Length sensors: Reflective photosensors
Details are in the notes section below.
Slide 273
The original set sensor [A] detects if the original is set or not.
The original sensor [B] detects if the original is on the original tray or not (this lets
the machine know as early as possible, whether there is another original on the
tray).
The original size detection mechanism consists of the four original width sensors
([F]: Width Sensor S, [G]: Width Sensor M, [H] Width Sensor L, [I]: Width Sensor
LL) and three original length sensors ([C]: Length Sensor S, [D]: Length Sensor
M, [E]: Length Sensor L).
Based on the combined output of the length sensors and the width sensors, the
machine can detect the size of the original.
The paper sizes detected by the various sensor combinations are given in the
tables on the following two slides.

Basic Operation

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