Service manual

5. Sensors and switches
No. Name Signal Type Function Output
(1)
Mirror home position
sensor
MHPS Transmission sensor
Mirror (scanner unit)
home position detection
“H” at home position
(2) POD sensor POD Transmissions sensor Paper exitdetection “H” at paper pass
(3) PPD2 sensor PPD2 Transmission sensor
Paper transport
detection 2
“L” at paper pass
(4)
Cassette detection
switch
CED1 Microswitch
Cassette installation
detection
“H” at cassette insertion
(5)
Manual feed detection
switch
MFD Transmission sensor
Manual feed paper
detection (single only)
“L” at paper detection
(6) PPD1 sensor PPD1 Transmission sensor
Paper transport
detection 1
“L” at paper pass
(7) Door switch DSW Micro switch
Door open/close
detection (safety switch
for 5V)
1 or 0V of 5V at door
open
(8) Door switch DSW Micro switch
Door open/close
detection (safety switch
for 24V)
1 or 0V of 24V at door
open
(9) Drum reset switch DRST Micro switch
New drum detection
switch
Instantaneously “H” at
insertion of new drum
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(9)
(8)
AL-1000/1010
4-5