Read Sharp MX-DEX8 / MX-DEX9 Service Manual online
MX-DEX8/DEX9 OUTSIDE VIEW AND INTERNAL STRUCTURE 3 – 3
C. Drive and Control Components
• MX-DEX8
• MX-DEX9
No.
Signal
Name
Type
Function/operation
Activation condition
1
DPFM
Desk main motor
DC brushless
motor
motor
This motor drives the paper feed and
transport sections.
transport sections.
The signal becomes High level when a Job
Start request is received; Low level when a
Job End request is received.
Start request is received; Low level when a
Job End request is received.
2
DTRC
Desk transport clutch
Electromagnetic
clutch
clutch
This clutch controls the ON/OFF status
of the vertical transport roller.
of the vertical transport roller.
The signal becomes High level when a paper
feed request is received.
feed request is received.
3
DPUC1
Desk 1 paper feed clutch
Electromagnetic
clutch
clutch
This clutch controls the ON/OFF status
of the paper feed roller 1.
of the paper feed roller 1.
The signal becomes High level when a paper
feed request is received.
feed request is received.
4
DPUC2
Desk 2 paper feed clutch
Electromagnetic
clutch
clutch
This clutch controls the ON/OFF status
of the paper feed roller 2.
of the paper feed roller 2.
The signal becomes High level when a paper
feed request is received.
feed request is received.
5
DLUM1
Desk 1 lift-up motor
DC brush motor
This motor lifts up the tray in desk 1.
The signal becomes High level when tray
insertion is detected; Low level when the
upper limit sensor (DLUD1) turns ON.
insertion is detected; Low level when the
upper limit sensor (DLUD1) turns ON.
6
DLUM2
Desk 2 lift-up motor
DC brush motor
This motor lifts up the tray in desk 2.
The signal becomes High level when tray
insertion is detected; Low level when the
upper limit sensor (DLUD2) turns ON.
insertion is detected; Low level when the
upper limit sensor (DLUD2) turns ON.
7
–
Desk control PWB
–
This PWB controls and drives the desk.
–
8
–
Desk 1 size detection PWB
–
Detects the paper size.
–
9
–
Desk 2 size detection PWB
–
Detects the paper size.
–
10
–
Desk heater (Service parts (kit):
When installing, refer to [11].)
When installing, refer to [11].)
–
This heater is used to keep warm the
Desk interior.
Desk interior.
–
10
7
8
1
3
2
5
10
7
8
9
1
3
4
2
6
5
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