Paper Height Detection - Ricoh B291 Service Manual

PAPER HEIGHT DETECTION

2.4 PAPER HEIGHT DETECTION
The amount of paper in the tray is
detected by the combination of two paper
height sensors, [A] and [B].
When the amount of 2 paper decreases,
the bottom plate pressure lever [C] moves
up and the actuator [D] which is mounted
on the same drive shaft as the pressure
lever rotates.
The following combination of sensor
signals is sent to the copier.
Amount of
Paper
Full
Near Full
Near End 1
Near End 2
B542
CÓPIA NÃO CONTROLADA
Paper Height Paper Height
Sensor 1 Sensor 2
OFF
ON
ON
OFF
10
CÓPIA NÃO CONTROLADA
[D]
ON
ON
OFF
OFF
[A]
[B]
35 35 34 33 11
[C]
34 35 35 11 33
Near End 1
35 34 33 35 11
Near End 2
35 11 33 36 34
Full
Near Full
A682D505.WMF
SM