Sensors And Switches - Sharp AL-2051 Service Manual

5. Sensors and switches

1
No. Name
1 Scanner unit home position
sensor
2 POD sensor
3 PPD2 sensor
4 Cassette detection switch
5 PPD1 sensor
6 Door switch
7 Drum reset switch
8 Paper empty sensor
9 Paper exit sensor
10 Paper sensor
11 Upper door open/close sensor
2
7
Signal Type
MHPS Transmission sensor
POD Transmission sensor
PPD2 Transmission sensor
CED1 Micro-switch
PPD1 Transmission sensor
DSW Micro-switch
DRST Micro-switch
SPID Transmission sensor
SRJD Transmission sensor
SPPD Transmission sensor
SCOD Transmission sensor
AL-2051 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 4
8
9
6
Function / Operation
Scanner unit home position detection "H" at home position
Paper exit detection
Paper transport detection 2
Cassette installation detection
Paper transport detection 1
Door open/close detection
(safety switch for 24V)
New drum detection switch
Paper entry detection
Paper exit detection
Paper transport detection
Cover open/close detection
11
10
3
4
5
Output
"H" at paper pass
"L" at paper pass
"H" at cassette insertion
"L" at paper pass
1 or 0V of 24V at door open
Instantaneously "H" at
insertion of new drum
"H" paper empty
"H" paper empty
"H" paper empty
"L" open