Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man25) Service Manual ▷ View online
MX-4101N PAPER FEED SECTION F – 5
3. Disassembly and assembly
A. Manual paper feed unit
1)
Open the right door.
2)
Remove the screw, and remove the connector cover. Remove
the screw and remove the ADU inner cover.
the screw and remove the ADU inner cover.
The no-paper detection sensor detects
the state of no remaining paper.
the state of no remaining paper.
During no-paper detection
1/3 Field
Sensor logic: Low
Sensor logic: Low
Remaining paper 1/3 position
Remaining paper 2/3 position
Remaining paper 3/3 position
2/3 Field
Sensor logic: Hi
Sensor logic: Hi
3/3 Field
Sensor logic: Low
Sensor logic: Low
CPED
(paper sensor)
(paper sensor)
Remaining Paper
Detection Actuator
Detection Actuator
Turn plate
CSPD
(remaining paper detection)
(remaining paper detection)
(Figure showing state transition of the remaining paper detection sensor during tray elevation and
changes in status according to the number of remaining sheets)
changes in status according to the number of remaining sheets)
Parts
a
Temperature humidity sensor
b
Manual paper feed tray paper width detector
c
Manual paper feed gate solenoid
d
Paper pickup solenoid
b
d
a
c
MX-4101N PAPER FEED SECTION F – 6
3)
Remove the ADU cabinet F and the ADU cabinet R.
4)
Remove the MF harness cover, and disconnect the connector.
5)
Remove the MF tray installing shaft, and remove the manual
feed tray unit.
feed tray unit.
6)
Disconnect the connector, and remove the manual paper feed
unit.
unit.
(1) Temperature and humidity sensor/Manual paper
feed tray paper width detector
1)
Remove the manual paper feed tray unit.
2)
Remove the MF tray upper inside cover.
3)
Disengage the pawl, lift the MF tray upper and MF tray 2, and
disconnect the connector.
disconnect the connector.
4)
Remove the temperature and humidity sensor.
5)
Remove the manual paper feed tray paper width detector.
1
2
1
3
2
MX-4101N PAPER FEED SECTION F – 7
(2) Manual paper feed gate solenoid
1)
Remove the manual paper feed unit.
2)
Remove the MF base guide supporting plate and the spring.
3)
Disconnect the connector, and disengage the pawl, and
remove the manual paper feed gate solenoid.
remove the manual paper feed gate solenoid.
(3) Paper pickup solenoid
1)
Remove the manual paper feed unit.
2)
Remove the MF base guide supporting plate and the spring.
3)
Remove each part, and remove the transport roller 12 (drive).
4)
Remove each part, and remove the MF drive plate.
5)
Disconnect the connector, and remove the MF front plate.
6)
Remove the MF upper base paper guide unit.
7)
Remove the MF upper guide supporting plate.
1
1
2
1
2
2
1
2
1
MX-4101N PAPER FEED SECTION F – 8
8)
Remove the paper pickup solenoid.
B. Tray paper feed unit
1)
Remove the right cabinet front.
2)
Remove the tray 1 and 2.
3)
Remove the right lower door unit.
4)
Remove the paper feed movable PG lower.
5)
Remove the tray paper feed unit 1, 2.
C. Others
(1) Tray 1, 2 installation detection
1)
Remove the tray 1 and 2.
1
2
Parts
a
Tray 1, 2 installation detection
b
a
1
2
Click on the first or last page to see other MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man25) service manuals if exist.