Sensor, detector location
No.
Symbol
Name
Function and operation
1
LPFD
Transport detector
Detecting paper discharge
2
LLSW
Upper limit lock switch
Detecting tray upper limit lock (Shutting off motor as a safety device.)
3
LPED
Paper detector
Detecting the presence of paper
4
LUD
Upper limit detector
Detecting tray upper limit position
5
LRES
Encoder sensor
Controlling lifting up
6
LDD
Lower limit detector
Detecting tray lower limit position
7
LTOD
Copier connection detector
Detecting connection to copier
1 LPFD
7 LTOD
5 LRES
6 LDD
2 LLSW
4 LUD
3 LPED
4 – 3