Sharp MX-5500N / MX-6200N / MX-7000N (serv.man17) Peripheral ▷ View online
MX-FNX4 OPERATIONAL DESCRIPTION 5 – 6
E. Delivery path of saddle stitch unit (MX-FNX4)
The paper fed from the host machine is led into the finisher, and
delivered to the saddle stitch unit by the saddle stitch flapper. Thus,
the saddle stitch unit performs stitch and saddle operations on
paper, and delivers it to the saddle stitch delivery tray.
delivered to the saddle stitch unit by the saddle stitch flapper. Thus,
the saddle stitch unit performs stitch and saddle operations on
paper, and delivers it to the saddle stitch delivery tray.
Finisher controller
PCB
Saddle stitcher controller PCB (1/2)
Saddle
inlet
solenoid
drive
signal
SDLINSL
Flapper
drive
signal
1
FLPSL1
Flapper
drive
signal
2
FLPSL2
Feeder
plate
contact
solenoid
drive
signal
RLNIPSL
Feeder
motor
drive
signal
Guide
motor
drive
signal
Stitch
motor
drive
signal
(front/back)
Alignment
motor
drive
signal
Paper
pushing
plate
motor
drive
signal
Paper
folding
motor
drive
signal
Paper
positioning
plate
motor
drive
signal
Paper
folding
motor
clock
signal
FLDCLK
Paper
pushing
motor
clock
signal
LUNGECLK
Saddle stitcher controller PCB (2/2)
Saddle
inlet
motor
motor
drive
signal
FSFM
FSGM
FSJM
FSRSTM
FSFSTM
FSIFM
FSFOM
FPPM
FSLGM
FSLGE
FSFOE
FSFS
FS1DFS
FS2DFS
FSFCS
Saddle stitcher controller PCB (1/2)
Saddle stitcher controller PCB (2/2)
Paper
positioning
plate
home
position
detection
signal
PAPPOS
Paper
positioning
plate
paper
detection
signal
PPOSP
AR
Tray
paper
paper
detection
signal
TR
YP
AR
Guide
home
position
detection
signal
GIDHP
Crescent
roller
phase
detection
signal
FDRLHP
Delivery
detection
signal
DEL
V
V
Paper
folding
home
position
detection
signal
PAFLDHP
Ve
rtical
path
paper
detection
signal
VPJM
Paper
pushing
plate
top
position
position
detection
LUNGET
OP
signal
Paper
pushing
plate
home
position
detection
LUNGEHP
signal
No.3
paper
sensor
paper
detection
signal
3RDP
A
No.2
paper
sensor
paper
detection
signal
2NDP
A
No.1
paper
sensor
paper
detection
signal
1STP
A
Saddle
inlet
paper
paper
detection
signal
INLET
-ROLL
㪝㪪㪣㪞㪟㪧㪛
㪝㪪㪣㪞㪫㪛
㪝㪪㪈㪧㪛
㪝㪪㪊㪧㪛
㪝㪪㪧㪠㪥㪛
㪝㪪㪧㪧㪟㪧㪛
㪝㪪㪧㪧㪧㪛
㪝㪪㪚㪩㪧㪛
㪝㪪㪞㪟㪧㪛
㪝㪪㪫㪧㪛
㪝㪪㪧㪛㪛
㪝㪪㪭㪧㪧㪛
㪝㪪㪉㪧㪛
㪝㪪㪝㪦㪟㪧㪛
MX-FNX4 OPERATIONAL DESCRIPTION 5 – 7
F. Basic operation of saddle stitch unit (MX-
FNX4)
Feeding of paper
Paper fed from the finisher is stored into the paper path in virtually
vertical direction sequentially. The paper path is determined by the
operation of the two paper deflector plates depending on the size of
paper.
The storage location of paper is determined by the paper position-
ing plate so that the center of paper is aligned with the stitching and
folding positions.
The order of paper storage is as follows; the last fed paper is stored
in the delivery direction of the previously fed paper. Number of
sheets allowed to be stored is as shown below.
• 15 sheets (Max.: 14 sheets of 80g/m
Paper fed from the finisher is stored into the paper path in virtually
vertical direction sequentially. The paper path is determined by the
operation of the two paper deflector plates depending on the size of
paper.
The storage location of paper is determined by the paper position-
ing plate so that the center of paper is aligned with the stitching and
folding positions.
The order of paper storage is as follows; the last fed paper is stored
in the delivery direction of the previously fed paper. Number of
sheets allowed to be stored is as shown below.
• 15 sheets (Max.: 14 sheets of 80g/m
2
and a sheet of 250 g/m
2
)
maximally
Alignment
Whenever paper is stored into the vertical path, the alignment plate
equipped at the edge of the vertical path aligns paper. Furthermore,
it also carries out folding of paper stack and alignment before deliv-
ery.
Whenever paper is stored into the vertical path, the alignment plate
equipped at the edge of the vertical path aligns paper. Furthermore,
it also carries out folding of paper stack and alignment before deliv-
ery.
Stitching
After all the paper is stored, the two stitch units located at the cen-
ter of the paper stitch the paper sequentially.
The two stitch units cannot be operated simultaneously so as to
prevent wrinkling of paper that may occur between the stitches and
to limit the load applied to the power supply.
If only one sheet of paper is fed from the copier, the next step, mov-
ing of stacks is started without stitching.
After all the paper is stored, the two stitch units located at the cen-
ter of the paper stitch the paper sequentially.
The two stitch units cannot be operated simultaneously so as to
prevent wrinkling of paper that may occur between the stitches and
to limit the load applied to the power supply.
If only one sheet of paper is fed from the copier, the next step, mov-
ing of stacks is started without stitching.
Delivery direction
Second sheet
First sheet
Paper positioning plate
Alignment
plate
Paper
Alignment
plate
Paperpositioning
plate
Stitcher
Staple
MX-FNX4 OPERATIONAL DESCRIPTION 5 – 8
Feeding of Stacks
The stitched paper is fed to the folding and delivery positions. The
paper folding must be performed at the point that the center of
paper (stitched point) is aligned with the height of the paper push-
ing plate and the folding roller pressurizing section.
The stack is moved forward by operating the paper positioning
plate. When the plate is operated, the guide plate that has been
covering the paper folding rollers, also moves down so that the
paper folding rollers directly face the stack.
The stitched paper is fed to the folding and delivery positions. The
paper folding must be performed at the point that the center of
paper (stitched point) is aligned with the height of the paper push-
ing plate and the folding roller pressurizing section.
The stack is moved forward by operating the paper positioning
plate. When the plate is operated, the guide plate that has been
covering the paper folding rollers, also moves down so that the
paper folding rollers directly face the stack.
Folding/Delivery
The paper pushing plate pushes against the center of the stack to
move it in the direction of the paper folding rollers. In response, the
paper folding rollers pick the stack along its center and fold it in two.
The paper folding rollers together with the delivery roller then move
the stack along to output it on the delivery tray.
The paper pushing plate pushes against the center of the stack to
move it in the direction of the paper folding rollers. In response, the
paper folding rollers pick the stack along its center and fold it in two.
The paper folding rollers together with the delivery roller then move
the stack along to output it on the delivery tray.
Folding roller
Paper pushing
plate
Guide plate
Paper positioning
plate
Paper positioning
plate home
position sensor
FSPPHPD
Folding roller
Delivery roller
MX-FNX4 OPERATIONAL DESCRIPTION 5 – 9
G. Controlling the inlet flappers (MX-FNX4)
Outline
The two flappers mounted at the paper inlet are operated to config-
ure the feed path according to the size of paper. The flappers are
used to enable the following:
1) To detect the passage of the trailing edge of the paper being
The two flappers mounted at the paper inlet are operated to config-
ure the feed path according to the size of paper. The flappers are
used to enable the following:
1) To detect the passage of the trailing edge of the paper being
moved by an appropriate sensor.
2) To prevent the following sheet from butting against the top of
the existing stack,
Table below shows the relationship between sensors and paper
sizes.
sizes.
Each flapper is driven by its solenoid.
Table below shows the relationship between solenoids and paper
sizes.
Table below shows the relationship between solenoids and paper
sizes.
Delivery Path of A3/297mmx432mm (11x17) size paper
In the case that three sheets are delivered.
In the case that three sheets are delivered.
Delivery Path of B4/LGL size paper
In the case that three sheets are delivered.
In the case that three sheets are delivered.
Sensor
A3/279mmx432mm
(11x17)
(11x17)
B4/LGL
A4R/LTRR
No.1paper sensor
(FS1PD)
(FS1PD)
Used
Used
Used
No.2 paper sensor
(FS2PD)
(FS2PD)
Not used
Used
Used
No.2 paper sensor
(FS3PD)
(FS3PD)
Not used
Not used
Used
Solenoid
A3/279mmx432mm
(11x17)
(11x17)
B4/LGL
A4R/LTRR
No. 1 paper deflecting
plate solenoid
(FS1DFS)
plate solenoid
(FS1DFS)
OFF
ON
ON
No. 2 paper deflecting
plate solenoid
(FS2DFS)
plate solenoid
(FS2DFS)
OFF
OFF
ON
No.1 paper sensor FS1PD
No.1 paper deflecting
plate solenoid
No.2 paper sensor FS2PD
No.2 paper deflecting
plate solenoid
No.3 paper sensor FS3PD
Paper passed
OFF
OFF
Paper unpassed
OFF
Paper unpassed
Leading edge
FS1PD
FS2PD
FS3PD
FS1PD
FS2PD
FS3PD
FS1
DFS
FS2
DFS
No.1 paper sensor
FS1PD
No.2 paper sensor
FS2PD
No.3 paper sensor
FS3PD
Paper passed
Paper passed
ON
OFF
Paper unpassed
Leading edge
FS1PD
FS2PD
FS3PD
FS1PD
FS2PD
FS3PD
FS1
DFS
FS2
DFS
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