Read Sharp MX-DEX8 / MX-DEX9 Service Manual online
MX-DEX8/DEX9 OUTSIDE VIEW AND INTERNAL STRUCTURE 3 – 2
B. Sensors and Switches
• MX-DEX8
• MX-DEX9
No.
Signal
Name
Type
Function/operation
Activation condition
1
DCSI1
Desk 1 attachment sensor
–
This sensor detects when desk 1 is attached.
The signal is Low level when the
desk is attached.
desk is attached.
2
DCSS11
Desk 1 rear edge switch 1
Tact switch
The paper feeder recognizes that the tray for desk 1
has been inserted when any of desk 1 rear edge
switches 1 to 4 turns ON.
This sensor detects the paper size of the tray in desk 1.
has been inserted when any of desk 1 rear edge
switches 1 to 4 turns ON.
This sensor detects the paper size of the tray in desk 1.
The signal becomes Low level when
any of the four switches is pressed.
any of the four switches is pressed.
3
DCSS12
Desk 1 rear edge switch 2
Tact switch
4
DCSS13
Desk 1 rear edge switch 3
Tact switch
5
DCSS14
Desk 1 rear edge switch 4
Tact switch
6
DCSI2
Desk 2 attachment sensor
–
This sensor detects when desk 2 is attached.
The signal is Low level when the
desk is attached.
desk is attached.
7
DCSS21
Desk 2 rear edge switch 1
Tact switch
The paper feeder recognizes that the tray for desk 2
has been inserted when any of desk 2 rear edge
switches 1 to 4 turns ON.
This sensor detects the paper size of the tray in desk 2.
has been inserted when any of desk 2 rear edge
switches 1 to 4 turns ON.
This sensor detects the paper size of the tray in desk 2.
The signal becomes Low level when
any of the four switches is pressed.
any of the four switches is pressed.
8
DCSS22
Desk 2 rear edge switch 2
Tact switch
9
DCSS23
Desk 2 rear edge switch 3
Tact switch
10
DCSS24
Desk 2 rear edge switch 4
Tact switch
11
DCSPD1
Desk 1 paper level sensor
Transmission
type
type
This sensor detects the amount of paper remaining in
desk 1.
desk 1.
The signal becomes Low level when
desk 1 is detected being empty.
desk 1 is detected being empty.
12
DCSPD2
Desk 2 paper level sensor
Transmission
type
type
This sensor detects the amount of paper remaining in
desk 2.
desk 2.
13
DSW_DSK
Right door open/close
sensor
sensor
Transmission
type
type
This sensor detects when the right door is opened or
closed.
closed.
The signal is Low level when the
cover is open.
cover is open.
14
DPFD1
Desk 1 transport sensor
Transmission
type
type
This sensor detects when paper is in the transport path
for desk 1.
for desk 1.
The signal is Low level when paper is
transported.
transported.
15
DPED1
Desk 1 paper presence
sensor
sensor
Transmission
type
type
This sensor detects when there is paper in desk 1.
The signal is Low level when there is
paper in desk 1.
paper in desk 1.
16
DLUD1
Desk 1 upper limit sensor
Transmission
type
type
This sensor detects when the tray in desk 1 reaches its
upper limit.
upper limit.
The signal is High level when the tray
in desk 1 is at its upper limit.
in desk 1 is at its upper limit.
17
DPFD2
Desk 2 transport sensor
Transmission
type
type
This sensor detects when paper is in the transport path
for desk 2.
for desk 2.
The signal is Low level when paper is
transported.
transported.
18
DPED2
Desk 2 paper presence
sensor
sensor
Transmission
type
type
This sensor detects when there is paper in desk 2.
The signal is Low level when there is
paper in desk 2.
paper in desk 2.
19
DLUD2
Desk 2 upper limit sensor
Transmission
type
type
This sensor detects when the tray in desk 2 reaches its
upper limit.
upper limit.
The signal is High level when the tray
in desk 2 is at its upper limit.
in desk 2 is at its upper limit.
3
2
2
1
16
11
13
14
4
5
15
3
2
1
4
5
8
7
2
1
4
5
8
7
6
9
10
16
11
13
14
12
15
17
19
18
12
15
17
19
18
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