Read Sharp AL-1000 / AL-1010 (serv.man6) Service Manual online
5. Sensors and switches
No.
Name
Signal
Type
Function
Output
(1)
Mirror home position
sensor
sensor
MHPS
Transmission sensor
Mirror (scanner unit)
home position detection
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
detection 2
“L” at paper pass
(4)
Cassette detection
switch
switch
CED1
Microswitch
Cassette installation
detection
detection
“H” at cassette insertion
(5)
Manual feed detection
switch
switch
MFD
Transmission sensor
Manual feed paper
detection (single only)
detection (single only)
“L” at paper detection
(6)
PPD1 sensor
PPD1
Transmission sensor
Paper transport
detection 1
detection 1
“L” at paper pass
(7)
Door switch
DSW
Micro switch
Door open/close
detection (safety switch
for 5V)
detection (safety switch
for 5V)
1 or 0V of 5V at door
open
open
(8)
Door switch
DSW
Micro switch
Door open/close
detection (safety switch
for 24V)
detection (safety switch
for 24V)
1 or 0V of 24V at door
open
open
(9)
Drum reset switch
DRST
Micro switch
New drum detection
switch
switch
Instantaneously “H” at
insertion of new drum
insertion of new drum
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(9)
(8)
AL-1000/1010
4-5
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