Paper Height Detection - Ricoh B003 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
B003/B004/B006/B007
CÓPIA NÃO CONTROLADA
Paper Height Paper Height
Sensor 1 Sensor 2
OFF
ON
ON OFF
OFF OFF
10-10
CÓPIA NÃO CONTROLADA
[D]
ON
ON
[A]
[B]
3 5 3 5 3 4 3 3 1 1
[C]
3 4 3 5 3 5 1 1 3 3
Near End 1
3 5 3 4 1 1 3 5 3 3
Near End 2
3 5 1 1 3 3 3 6 3 4
A682D505.WMF
Full
Near Full
SM