Sensors And Switches - Sharp AL-1215 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 Manual feed detection
switch
6 PPD1 sensor
7 Door switch
8 Drum reset switch
9 SPF sensor
10 SPPD sensor
11 SDOD sensor
12 2nd cassette
13 PPD3 sensor
8
Signal Type
MHPS Transmission sensor
POD Transmission sensor
PPD2 Transmission sensor
CED1 Micro-switch
MFD Transmission sensor
PPD1 Transmission sensor
DSW Micro-switch
DRST Micro-switch
SPID/ Transmission sensor
SD SW
SPPD Transmission sensor
SDOD Transmission sensor
DSW Micro-switch
PPD3 Transmission sensor
AL-1551CS EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 5
11
2
7
Function
Scanner unit home position detection "H" at home position
Paper exit detection
Paper transport detection 2
Cassette installation detection
Manual feed paper detection
(single only)
Paper transport detection 1
Door open/close detection
(safety switch for 24V)
New drum detection switch
Paper entry detection
Cover open/close detection
Paper transport detection
SPF open/close detection Book
sensor
2nd cassette door open detection
Paper transport detection 3
9
10
3
4
12
5
6
13
Output
"H" at paper pass
"L" at paper pass
"H" at cassette insertion
"L" at paper detection
"L" at paper pass
1 or 0V of 24V at door open
Instantaneously "H" at insertion of
new drum
"L" at paper pass
"L" at paper pass
"L" at paper pass
1 or 0V of 5V at door open
"L" at paper pass