Sharp MX-4100N Service Manual page 460

(Figure showing state transition of the remaining paper detection sensor during tray elevation and
changes in status according to the number of remaining sheets)
1/3 Field
Sensor logic: Low
2/3 Field
Sensor logic: Hi
3/3 Field
Sensor logic: Low
3. Disassembly and assembly
A. Manual paper feed unit
c
a Temperature humidity sensor
b Manual paper feed tray paper width detector
c Manual paper feed gate solenoid
d Paper pickup solenoid
The no-paper detection sensor detects
the state of no remaining paper.
During no-paper detection
CSPD
(remaining paper detection)
Remaining paper 1/3 position
Remaining paper 2/3 position
Remaining paper 3/3 position
d
a
b
Parts
MX-5001N PAPER FEED SECTION F – 5
CPED
(paper sensor)
Remaining Paper
Detection Actuator
1) Open the right door.
2) Remove the screw, and remove the connector cover. Remove
the screw and remove the ADU inner cover.
Turn plate