MX-5500N, MX-6200N, MX-7000N (serv.man17). MX-FNX3 4 MX-RBX2 MXPNX2A-D SERVICE MANUAL-Operational Description - Sharp Copying Equipment Peripheral (repair manual). Page 28

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MX-FNX4  OPERATIONAL DESCRIPTION  5 – 28
A. Power supply route in finisher
B. Protect functions of finisher
The 24 VDC power line used to drive motors and solenoids is
equipped with a fuse or motor driver having overcurrent protector.
C. Power supply route in saddle stitcher (MX-
FNX4)
D. Protect functions of saddle stitcher (MX-FNX4)
The 24 VDC power supply used for motors and solenoids is
equipped with a circuit breaker (CB1). The 24V power supply used
to drive the guide motor (FSGM), alignment motor (FSJM), and the
paper positioning plate motor (FPPM) is equipped with a fuse
designed to blow when an overcurrent flows.
E. Punch module (option)
(1) Outline
(2) Protective mechanisms
Front cover close
detection switch (FFDD)
Saddle stitcher
controller PCB
Finisher controller PCB
Host
machine
Motor
Motor
Solenoids
Sensor
Logic
Regulator IC
Regulator IC
(IC28)
(IC7)
Punch controller PCB
(Punch module (optional))
Front cover close
detection switch (FFDD)
Finisher
controller
PCB
Circuit
breaker
(FU3)
Regulator IC
Regulator IC
Logic
Saddle stitcher controller PCB
Inlet door
switch (FSINDSW)
Finisher
control
PCB
Upper door
switch
(FPUDSW)
Front door
switch
(FPFDD)
Punch control PCB
LED PCB
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