MX-FNX2 (serv.man7). Section 5 - Operational Descriptions . — Sharp Copying Equipment Service Manual (repair manual)

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MX-FNX2 (serv.man7)
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Service Manual
Brand
Device
Copying Equipment / Section 5 - Operational Descriptions .
File
mx-fnx2-sm7.pdf
Date

View Sharp MX-FNX2 (serv.man7) Service Manual online

MX-FNX2/AR-PN1/MX-RBX1  OPERATIONAL DESCRIPTION  5 – 1
âºíuÇ´
Service Manual
 
[5] OPERATIONAL DESCRIPTION
1. Basic operations
A. Specifications
The finisher serves to deliver sheets coming from its host machine.
The mode of delivery may be non-sort stack, job offset *, or staple
delivery.
The saddle unit built into the finisher is used to fold a stack of
sheets coming from the finisher unit in half for delivery.
The punch unit (option) is designed for installation to the pickup
assembly of the finisher, and is used to punch holes in sheets com-
ing from the host machine.
The above operations are controlled with various commands from
the finisher controller PCB as well as the commands from the
punch controller PCB.
*: The position of delivery is shifted to the front/rear for each stack
    to assist sorting.
B. Outline of the Electrical Circuitry
The sequence of finisher operations is controlled by the finisher
controller PCB. The finisher controller PCB is a 16-bit microproces-
sor (CPU), and is also used for combination with the host machine
(serial).
The finisher controller PCB drive motors and other loads in
response to the various commands from the host machine. It also
communicates such data as on the states of various sensors and
switches to the host machine by way of the serial communication
line.
The ICs mounted to the finisher controller PCB have the following
functions:
• IC13 (CPU): Controls sequence of operations.
• IC12 (EEP-ROM): Backs up adjustment settings.
• IC6: Stores sequence programs.
• IC11 (expansion port): I/O port
The flow of signals between finisher and options controller is shown
as below.
Punch unit drive
system (punch unit;
option)
Alignment drive system
Stapler drive system
Delivery drive system
Feed drive system
Tray drive system
Saddle section
drive system
Interface pass
drive system
Control
system
Host machine DC
controller PCB
CPU
Punch controller
PCB
Finisher
controller
PCB
IC13
CPU
IC12
EEP-ROM
IC11
Communication
IC
IC6
ROM
Motor
Clutch
Switch
Sensor
Motor
Sensor
Finisher unit
Punch unit (option)
MX-FNX2/AR-PN1/MX-RBX1  OPERATIONAL DESCRIPTION  5 – 2
C. Inputs to and Outputs from the Finisher 
Controller PCB
• Inputs to the Finisher Controller PCB (1/2)
• Inputs to the Finisher Controller PCB (2/2)
• Outputs from the Finisher Controller PCB (1/2)
• Outputs from the Finisher Controller PCB (2/2)
Entry paper
sensor
Paddle home
position sensor
Bundle roller
home position
sensor
Aligning plate
home position
sensor (front)
Aligning plate
home position
sensor (rear)
Delivery belt
home position
sensor
Alignment
tray sensor
Tray paper sensor
Paper surface
sensor
Bookbinding
position sensor
When the sensor
detects paper, ‘1’ .
When the aligning
plate (rear) is at
home position, ‘1’.
When the delivery belt
is at home position, ‘1’.
When the paddle is at
home position, ‘1’.
When the swing guide
is at home position, ‘1’.
When paper is present
on the tray, ‘1’.
When the paper
surface is detected,
‘1’.
When the aligning
plate (front) is at
home position, ‘1’.
When the sensor
detects paper, ‘1’.
When paper is
detected, ‘0’.
When LED is lit, ‘1’.
FOBHPD
FAD
FRJHPD
FFJHPD
FARHPD
FPDHPD
FED
CN44-3
-2
-1
CN16-10
Finisher controller PCB
+5V
ENT_S
+5V
PDL_HP
+5V
FJOG_HP
+5V
RJOG_HP
+5V
ADJ_TRAY_S
+5V
EJCT_BLT_HP
+5V
BDL_ROL_HP
-11
-12
-2
CN43-1
-3
-2
CN42-3
-1
CN9-1
-2
-3
CN51-1
-2
-3
CN55-3
-2
-1
CN9-7
-8
-9
-2
CN54-1
-3
-2
CN53-3
-1
FFPD
FSLD
FBED
+5V
TRY_EMPS
+5V
LVL_S
+5V
BIND_P
CN4
-2
-3
CN23-3
-2
-1
CN5-13
-14
-15
CN36-3
-2
-1
CN30-3
-2
-1
CN5-1
-2
-3
-2
CN29-1
-3
-8
CN28-9
-7
CN31-3
-2
-1
-4
-5
-6
CN32-3
-2
-1
-7
-8
-9
-4
-5
-6
-7
-8
-9
-6
-5
-4
-3
-2
-1
CN35-3
-2
-1
CN5-10
-11
-12
-2
CN34-1
-3
-2
CN33-3
-1
CN39-3
-1
-2
CN16-1
-3
-2
-3
CN38-1
-2
-7
CN37-9
-8
BIND_L
Bookbinding
home position
sensor
Bookbinding
roller home
position sensor
Bookbinding
paper sensor
Bookbinding
lock sensor
Lift upper sensor
Lift lock sensor
Lift lower sensor
Finisher controller PCB
When at folding home
position, ‘0’.
When the tray is at the
upper limit, ‘1’.
While the lift motor
is rotating, alternates
between ‘1’ and ‘0’.
When the stack feed roller
(upper) is at home position, ‘1’.
When the sensor
detects paper, ‘1’.
Front door sensor
Upper cover sensor
When the front door
is open, ‘1’.
When the upper cover
is open, ‘1’.
When the paper is
full, ‘1’.
When the staple/fold motor is
rotating, alternates between
‘1’ and ‘0’.
When the tray is at the
lower limit, ‘1’.
Tray middle sensor
Joint switch
When the front
door is closed, ‘1’.
Front door switch
Stapler safety
switch
When the swing
guide is closed, ‘1’.
When connected to
the host machine, ‘1’.
FLE
FLLD
FULD
FFE
FFED
FFRHPD
FFHPD CN40-3
-2
-1
CN16-4
+5V
BIND_HP
+5V
BIND_ROL_HP
+5V
BIND_CLK
+5V
SIFT_UPLMT
+5V
SIFT_DNLMT
+5V
SIFT_CLK
+5V
BIND_EMPS
-5
-6
-5
CN38-4
-6
-5
CN37-6
-4
-7
-8
-9
CN41-3
-2
-1
CN47-3
-2
-1
CN15-1
-2
-3
FCD
FFDD
+5V
FDOOR_S
+5V
TOPCOV_S
CN9-6
-4
-5
CN52-1
-3
-2
CN15-10
-11
-12
CN50-3
-2
-1
CN49-3
-2
-1
CN15-7
-8
-9
CN48-3
-2
-1
-5
-6
CN25-3
-2
-1
-8
-9
CN24-3
-2
-1
CN4-4
-5
-6
+5V
PAPER_F
CN73-3
-2
-1
CN19-1
-2
-3
-7
-8
-9
-3
-2
-1
CN15-4
CN4-7
FFDDW
N. O.
+24VP
FJSW
FMLD
FSSSW
N. O.
N. O.
JOINT SW
FRONT SW
STPLSAFE SW
CN69-2
-1
CN8-6
-5
CN8-4
-3
CN8-2
-1
CN68-2
-1
CN66-2
-1
When the drive is transmitted,
‘1’.
Switches between ‘1’ and
‘0’ according to the
direction of motor rotation.
Switches between ‘1’ and
‘0’ according to the
direction of motor rotation.
Switches between ‘1’ and
‘0’ according to the
direction of motor rotation.
Switches between ‘1’ and
‘0’ according to the
direction of motor rotation.
Switches between ‘1’ and
‘0’ according to the
direction of motor rotation.
Finisher controller PCB
Feed motor
FEEDMTR_A
+24V
CN10-1
-1
CN62-5
Paddle motor
+24V
FPM
FFC
B_CLU
+24V
CN72
-1
-2
-2
-1
CN18-1
-2
Binding clutch
Bundle exit motor
+24V
FAM
Alignment motor
(front)
+24V
FFJM
Alignment motor
(rear)
+24V
FRJM
-2
-3
-4
-5
-6
FFM
-2
-3
-4
-5
-6
CN56
-6
-5
-4
-3
-2
-1
FEEDMTR_*A
FEEDMTR_B
FEEDMTR_*B
PDLMTR_A
PDLMTR_*A
PDLMTR_B
PDLMTR_*B
CN10-7
-8
-9
-10
-11
-12
-1
-2
-3
-4
-5
-6
CN57
-6
-5
-4
-3
-2
-1
EJCTMTR_A
EJCTMTR_*A
EJCTMTR_B
EJCTMTR_*B
CN13-1
-1
-2
-3
-4
-5
-6
-2
-3
-4
-5
-6
CN59
-6
-5
-4
-3
-2
-1
CN3-1
-2
-3
-4
-5
FJOGMTR_A
FJOGMTR_*A
FJOGMTR_B
FJOGMTR_*B
CN63-1
-2
-3
-4
-5
-4
-3
-2
-1
CN64-5
CN3-6
-7
-8
-9
-10
CN65-1
-2
-3
-4
-5
-4
-3
-2
-1
RJOGMTR_A
RJOGMTR_*A
RJOGMTR_B
RJOGMTR_*B
Finisher controller PCB
Lift motor
SIFTMTR_1
Switches between ‘+’ and
‘–’ according to the
direction of motor rotation.
CN6-1
-2
FLM
-2
-1
CN70
-2
-1
SIFTMTR_0
-2
-1
-2
-1
-2
-1
CN70
-2
-1
Staple motor
BINDMTR_1
Switches between ‘+’ and
‘–’ according to the
direction of motor rotation.
CN6-3
-4
FFSM
BINDMTR_0
CN71
MX-FNX2/AR-PN1/MX-RBX1  OPERATIONAL DESCRIPTION  5 – 3
• Inputs to and Outputs from the Finisher Controller PCB (1/2)
• Inputs to and Outputs from the Finisher Controller PCB (2/2)
D. Inputs to and Outputs from the Punch 
Controller PCB (option)
• Inputs to and Outputs from the Punch Controller PCB
• Outputs from the Punch Controller PCB
Finisher controller PCB
CN72A-5
Stapler unit
Staple driver home
position sensor
Selfprime
sensor
Staple empty
sensor
CN11-2
CN11-7
CN11-1
FSTHPD
+5V
+5V
+5V
FSHPD
+5V
HOOK_S
STPL_HP
SLID_HP
STPL_CNCT
Host
machine
CN2-1
-3
-4
-5
-7
-6
CN1-5
CN1-3
CN1-2
CN1-1
+24V
+24V
+5V
+5V
SELF_P
+5V
Staple shift home
position sensor
CN11-6
CN11-5
CN11-4
CN11-3
CN72A-4
CN72A-3
CN72A-2
CN72A-6
CN72A-1
CN72A-7
CN72A-5
CN72A-4
CN72A-3
CN72A-2
CN72A-6
CN72A-1
CN72A-7
CN72-5
CN72-4
CN72-3
CN72-2
CN72-6
CN72-1
CN72-7
SLIDMTR_A
SLIDMTR_*A
SLIDMTR_B
SLIDMTR_*B
FSM
CN7-3
CN7-4
CN7-5
CN7-6
CN72B-5
CN72B-4
CN72B-3
CN72B-2
CN72B-5
CN72B-4
CN72B-3
CN72B-2
CN72-10
CN72-11
CN72-12
CN72-13
Staple shift motor
GND
GND
TXD
RXD
FSPD
FSD
When the stapler is
connected, ‘0’.
When the cartridge has
staples, ‘0’.
When the staple is at top
the stapler, ‘0’.
When the stapler is at
stapling home position, ‘0’.
When the stapler is at home
position, ‘1’.
Communication line
Switches between ‘1’ and
‘0’ according to the direction
ofmotor rotation.
Finisher control PWB
FJPM
Interface
transport
motor
Interface transport
unit inlet port
sensor
FJPID
Interface transport
unit outlet port
sensor
FJPOD
Interface transport
unit cover sensor
FJPDD
CN19-
-2
-3
-4
-5
CNFJ5
CN73B-
-6
-5
-6
-4
-3
-2
*A
*B
A
B
+24V
+24V
CN73D-9
-6
-7
-8
-5
-4
-4
CNFJ1-2
-3
-2
-6
-5
-4
-5
-7
-3
-1
CNFJ1-2
-7
-6
-5
-4
-3
CNFJ2-1
+5V
+5V
+5V
LVL_E_S
LVL_P_S
LVL_C_S
-2
-3
CNFJ3-1
-3
-2
CNFJ4-3
-2
-1
CNFJ1-
CNFJ1-
CNFJ1-
-17
-16
-14
-13
-11
-10
CNFJ1-
CNFJ1-
CNFJ1-
-17
-16
-14
-13
-11
-10
CN73C-1
-2
-3
-5
CN73C-4
CN73C-7
-6
-8
CN73D-2
CN73A-8
CN73A-5
CN73A-2
-7
-6
-4
-3
-1
CN73B-8
CN21-
-2
-3
CN21-4
CN21-7
-5
-6
-8
-9
"0" when paper is detected.
"0" when paper is detected.
"0" when the interface
transport cover is open.
The pulse signal is
switched depending
on the motor RPM.
Punch controller PCB
-1
J2008-3
+5V
PUNCH
-2
-6
J1006-4
-5
SREG1*
SREG2*
SREG3*
-9
-10
-11
J1007-12
-13
SREG4*
-8
PAEND*
-7
Horizontal
registration
home position
sensor
FPMCK
-1
J2009-3
+5V
CLOCK
-2
-9
J1006-7
-8
Punch home
position sensor
+5V
+5V
PT1
PT2
PT3
PT4
PT5
FPSHPD
FPHPD
-1
J2007-3
+5V
SLIDE
-2
-3
J1006-1
-2
Punch motor
lock sensor
Side resist photo sensor PCB (FPTD)
DUSTLED
Waste full LED PCB
J1005-1
PT131
LED121
DUSTPTR
+5V
4
Waste full photosensor PCB (FPDD)
-2
J1005-3
When the hole puncher is
at home position, ‘0’.
While the punch motor
is rotating, alternates
between ‘0’ and ‘1’.
When the punch slide
unit is at home position,
‘1’.
When paper is
detected, ‘0’.
When the light is
blocked, ‘0’.
Punch controller PCB
FPSM
Punch side resist motor
B*
A*
B
A
J1001-1
-2
-3
-4
FPNM
Punch motor
J1002-1
-2
LEDON5
LEDON4
LEDON3
LEDON2
LEDON1
-4
-5
-1
J1007-6
+5V
-3
-2
LED5
LED4
LED3
LED2
LED1
Side resist LED PCB (FPSD)
Switches between ‘+’
and ‘–’ according to
the direction ofmotor
rotation.
When ‘1’, LED goes ON.
Switches the pulse
signals according to
the rotation ofthe motor.
MX-FNX2/AR-PN1/MX-RBX1  OPERATIONAL DESCRIPTION  5 – 4
2. Feed/Drive System
A. Outline
The machine performs the following in response to the commands
coming from its host machine on the sheets arriving from the host
machine for delivery: simple stacking, job offset, and stapling or
folding (in two).
If a punch unit (option) is installed, the sheets are pouched and
delivered to the delivery tray.
Sheets may be delivered in either of five ways (including one for
the punch unit):
(1) Normal Delivery
a. Simple Stacking
The machine pulls in the sheet once to the processing tray and
then delivers it to the delivery tray.
b. Job Offset
The machine pulls the sheet once to the processing tray. It then
moves the sheet to the front or the rear using the aligning plate.
When it has deposited a specific number of sheets, it delivers them
in the form of a aligning plane. When the number of sheets stacked
on the processing tray reaches a specified value, the sheets are
delivered in a form of a stack.
c. Stapling
The machine stacks sheets coming from its host machine on the
processing tray. When the number of sheets stacked on the pro-
cessing tray reaches a specified value, the finisher staples them
delivers the stapled stack to the delivery tray.
Punching
Normal delivery
Delivery method
Middle 2-point stapling
Job offset
Simple stacking
Stapling
Front 1-point stapling
Rear 1-point stapling
Middle 2-point stapling
Stitching
Saddle delivery
Tray
Paper
4th set
(direction of delivery)
Results of offset delivery (4 jobs)
2nd set
3rd set
1st set
Page of 17
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