Sharp MX-FNX9 Service Manual ▷ View online
MX-FNX9 ELECTRICAL SECTION 10 – 2
6)
Paper surface sensor 2 (FSLD2)
The paper surface sensor 2 (FSLD2) employs the photo inter-
rupter in which the light emitting diode and the photo transistor
are integrated.
The paper surface is detected by interruption of lights with the
lever-type actuator.
Signals are inputted to the CPU (IC10-89pin) through the noise
filter of R18 and C6.
The logic of the signal inputted to the CPU is H when light is
interrupted, and L when light is emitted to the sensor.
R10 is the current-limiting resistor of the light emitting diode.
R16 is the load resistor of the sensor.
The paper surface sensor 2 (FSLD2) employs the photo inter-
rupter in which the light emitting diode and the photo transistor
are integrated.
The paper surface is detected by interruption of lights with the
lever-type actuator.
Signals are inputted to the CPU (IC10-89pin) through the noise
filter of R18 and C6.
The logic of the signal inputted to the CPU is H when light is
interrupted, and L when light is emitted to the sensor.
R10 is the current-limiting resistor of the light emitting diode.
R16 is the load resistor of the sensor.
7)
Stapler HP sensor (FSTHPD)
Stapler HP sensor (FSTHPD) employs the photo interrupter in
which the light emitting diode and the photo transistor are inte-
grated.
The home position is detected by interruption of lights with the
actuator of the light-shielding plate.
Signals are inputted to the CPU (IC10-18pin) through the noise
filter of R27 and C7.
The logic of the signal inputted to the CPU is H at the stapler
unit home position.
R19 is the current-limiting resistor of the light emitting diode.
R23 is the load resistor of the sensor.
Stapler HP sensor (FSTHPD) employs the photo interrupter in
which the light emitting diode and the photo transistor are inte-
grated.
The home position is detected by interruption of lights with the
actuator of the light-shielding plate.
Signals are inputted to the CPU (IC10-18pin) through the noise
filter of R27 and C7.
The logic of the signal inputted to the CPU is H at the stapler
unit home position.
R19 is the current-limiting resistor of the light emitting diode.
R23 is the load resistor of the sensor.
8)
Empty sensor (FSTPD)
The empty sensor (FSTPD) employs the photo interrupter in
which the light emitting diode and the photo transistor are inte-
grated.
Paper empty is detected by interruption of lights with the lever-
type actuator.
By use of Q16, the logic of signal when the connector is dis-
connected is made the same as when light is emitted to the
sensor (paper empty).
Signals are inputted to the CPU (IC10-90pin) through the noise
filter of R28 and C8.
The logic of the signal inputted to the CPU is H when paper is
provided in the process tray, and L when paper is not provided.
R20 is the current-limiting resistor of the light emitting diode.
R24 is the load resistor of the sensor.
The empty sensor (FSTPD) employs the photo interrupter in
which the light emitting diode and the photo transistor are inte-
grated.
Paper empty is detected by interruption of lights with the lever-
type actuator.
By use of Q16, the logic of signal when the connector is dis-
connected is made the same as when light is emitted to the
sensor (paper empty).
Signals are inputted to the CPU (IC10-90pin) through the noise
filter of R28 and C8.
The logic of the signal inputted to the CPU is H when paper is
provided in the process tray, and L when paper is not provided.
R20 is the current-limiting resistor of the light emitting diode.
R24 is the load resistor of the sensor.
9)
Alignment plate HP sensor F (FFJHPD)
The alignment plate HP sensor F (FFJHPD) employs the photo
interrupter in which the light emitting diode and the photo tran-
sistor are integrated.
The home position is detected by interruption of lights with the
actuator of the light-shielding plate.
Signals are inputted to the CPU (IC10-57pin) through the noise
filter of R29 and C9.
The alignment plate HP sensor F (FFJHPD) employs the photo
interrupter in which the light emitting diode and the photo tran-
sistor are integrated.
The home position is detected by interruption of lights with the
actuator of the light-shielding plate.
Signals are inputted to the CPU (IC10-57pin) through the noise
filter of R29 and C9.
The logic of the signal inputted to the CPU is L at the front side
alignment guide home position.
R21 is the current-limiting resistor of the light emitting diode.
R25 is the load resistor of the sensor.
alignment guide home position.
R21 is the current-limiting resistor of the light emitting diode.
R25 is the load resistor of the sensor.
10) Alignment plate HP sensor R (FRJHPD)
The alignment plate HP sensor R (FRJHPD) employs the
photo interrupter in which the light emitting diode and the
photo transistor are integrated.
The home position is detected by interruption of lights with the
actuator of the light-shielding plate.
Signals are inputted to the CPU (IC10-58pin) through the noise
filter of R30 and C10.
The logic of the signal inputted to the CPU is L at the rear side
alignment guide home position.
R22 is the current-limiting resistor of the light emitting diode.
R26 is the load resistor of the sensor.
photo interrupter in which the light emitting diode and the
photo transistor are integrated.
The home position is detected by interruption of lights with the
actuator of the light-shielding plate.
Signals are inputted to the CPU (IC10-58pin) through the noise
filter of R30 and C10.
The logic of the signal inputted to the CPU is L at the rear side
alignment guide home position.
R22 is the current-limiting resistor of the light emitting diode.
R26 is the load resistor of the sensor.
11) Inlet port sensor (FED)
The inlet port sensor (FED) employs the photo interrupter in
which the light emitting diode and the photo transistor are inte-
grated.
The inlet port is detected by interruption of lights with the lever-
type actuator.
Signals are inputted to the CPU (IC10-71pin) through the noise
filter of R37 and C11.
The logic of the signal inputted to the CPU is H when paper is
provided, and L when paper is not provided.
R31 is the current-limiting resistor of the light emitting diode.
R34 is the load resistor of the sensor.
which the light emitting diode and the photo transistor are inte-
grated.
The inlet port is detected by interruption of lights with the lever-
type actuator.
Signals are inputted to the CPU (IC10-71pin) through the noise
filter of R37 and C11.
The logic of the signal inputted to the CPU is H when paper is
provided, and L when paper is not provided.
R31 is the current-limiting resistor of the light emitting diode.
R34 is the load resistor of the sensor.
12) Roller up/down sensor (FRLD)
The roller up/down sensor (FRLD) employs the photo inter-
rupter in which the light emitting diode and the photo transistor
are integrated.
The roller up/down is detected by interruption of lights with the
lever-type actuator.
Signals are inputted to the CPU (IC10-59pin) through the noise
filter of R38 and C12.
The logic of the signal inputted to the CPU is L when the roller
is at the upper standby position.
R32 is the current-limiting resistor of the light emitting diode.
R35 is the load resistor of the sensor.
rupter in which the light emitting diode and the photo transistor
are integrated.
The roller up/down is detected by interruption of lights with the
lever-type actuator.
Signals are inputted to the CPU (IC10-59pin) through the noise
filter of R38 and C12.
The logic of the signal inputted to the CPU is L when the roller
is at the upper standby position.
R32 is the current-limiting resistor of the light emitting diode.
R35 is the load resistor of the sensor.
13) Take-up belt sensor (FBRD)
The take-up belt sensor (FBRD) employs the photo interrupter
in which the light emitting diode and the photo transistor are
integrated.
The take-up belt is detected by interruption of lights with the
lever-type actuator.
Signals are inputted to the CPU (IC10-61pin) through the noise
filter of R39 and C50.
The logic of the signal inputted to the CPU is L when the take-
up belt is on the upper side.
R33 is the current-limiting resistor of the light emitting diode.
R36 is the load resistor of the sensor.
in which the light emitting diode and the photo transistor are
integrated.
The take-up belt is detected by interruption of lights with the
lever-type actuator.
Signals are inputted to the CPU (IC10-61pin) through the noise
filter of R39 and C50.
The logic of the signal inputted to the CPU is L when the take-
up belt is on the upper side.
R33 is the current-limiting resistor of the light emitting diode.
R36 is the load resistor of the sensor.
Stapler HP sensor (FSTHPD)
Empty sensor (FSTPD)
Alignment plate HP sensor F
(FFJHPD)
(FFJHPD)
Alignment plate HP sensor R
(FRJHPD)
(FRJHPD)
Inlet port sensor (FED)
Roller up/down sensor (FRLD)
Take-up belt sensor (FBRD)
MX-FNX9 ELECTRICAL SECTION 10 – 3
14) Alignment plate position sensor (FJPD)
The alignment plate position sensor (FJPD) employs the photo
interrupter in which the light emitting diode and the photo tran-
sistor are integrated.
The alignment plate position is detected by interruption of
lights with the lever-type actuator.
Signals are inputted to the multi-plexer (IC14-12pin) through
the noise filter of RA4.1 and C58.
The logic of the signal inputted to the CPU is L when the paper
rear edge stopper is provided at the opening of the stapler.
R103 is the current-limiting resistor of the light emitting diode.
R104 is the load resistor of the sensor.
interrupter in which the light emitting diode and the photo tran-
sistor are integrated.
The alignment plate position is detected by interruption of
lights with the lever-type actuator.
Signals are inputted to the multi-plexer (IC14-12pin) through
the noise filter of RA4.1 and C58.
The logic of the signal inputted to the CPU is L when the paper
rear edge stopper is provided at the opening of the stapler.
R103 is the current-limiting resistor of the light emitting diode.
R104 is the load resistor of the sensor.
15) Stapler home sensor (FSHPD)
The stapler home sensor (FSHPD) is the built-in sensor of the
stapler unit.
The home position is detected by the open-collector output
with the circuit in the unit.
Signals are inputted to the multi-plexer (IC14-1pin) through the
noise filter of RA4.4 and C59.
The logic of the signal inputted to the CPU is H at the stapler
mechanism home position.
stapler unit.
The home position is detected by the open-collector output
with the circuit in the unit.
Signals are inputted to the multi-plexer (IC14-1pin) through the
noise filter of RA4.4 and C59.
The logic of the signal inputted to the CPU is H at the stapler
mechanism home position.
16) Self priming sensor (FSTD)
The self priming sensor (FSTD) is the built-in sensor of the sta-
pler unit.
Self priming is detected by the open-collector output with the
circuit in the unit.
Signals are inputted to the multi-plexer (IC14-5pin) through the
noise filter of RA4.2 and C60.
The logic of the signal inputted to the CPU is H in the READY
state.
pler unit.
Self priming is detected by the open-collector output with the
circuit in the unit.
Signals are inputted to the multi-plexer (IC14-5pin) through the
noise filter of RA4.2 and C60.
The logic of the signal inputted to the CPU is H in the READY
state.
17) Staple empty sensor (FSD)
The staple empty sensor (FSD) is the built-in sensor of the sta-
pler unit.
Staple empty is detected by the open-collector output with the
circuit in the unit.
Signals are inputted to the multi-plexer (IC14-2pin) through the
noise filter of RA4.3 and C61.
The logic of the signal inputted to the CPU is L in case of sta-
ple empty.
pler unit.
Staple empty is detected by the open-collector output with the
circuit in the unit.
Signals are inputted to the multi-plexer (IC14-2pin) through the
noise filter of RA4.3 and C61.
The logic of the signal inputted to the CPU is L in case of sta-
ple empty.
18) Front cover switch (FDSW)
The front cover switch (FDSW) employs a micro switch to
detect open/close of the front cover.
This switch is provided with +24V. By opening the open/close
section, the contact is opened to function as a switch.
When the switch is turned ON, +24V is applied to the cathode
of ZD2, supplying a base current to Q2 to turn ON Q2. Then
open/close signal is inputted to the CPU (IC10-19pin). This
signal is commonly used with the inner punch +5V supply sig-
nal.
The logic of the signal inputted to the CPU is H when the front
cover is open, and L when the front cover is close.
detect open/close of the front cover.
This switch is provided with +24V. By opening the open/close
section, the contact is opened to function as a switch.
When the switch is turned ON, +24V is applied to the cathode
of ZD2, supplying a base current to Q2 to turn ON Q2. Then
open/close signal is inputted to the CPU (IC10-19pin). This
signal is commonly used with the inner punch +5V supply sig-
nal.
The logic of the signal inputted to the CPU is H when the front
cover is open, and L when the front cover is close.
c. Motor drive circuit
1)
1)
Transport motor (FRM) drive circuit
This circuit controls rotation, stop, rotating direction, and current of the transport motor (FRM), and is composed of the CPU (IC10), the DA
converter (IC11), and the constant-current chopper system driver IC (IC5). The motor rotating speed is controlled with the stepping motor
drive signal (R_MOT_CLK) outputted from the CPU (IC10-22pin), and the motor rotating direction is controlled with the signal
(R_MOT_CW/CCW) outputted from the CPU (IC10-21pin).
The analog signal (R_MOT_REF) outputted from the DA converter (IC11-3pin) is divided into a certain voltage with R70 and R71. The
divided voltage is inputted to IC5-7pin to set the motor current value.
converter (IC11), and the constant-current chopper system driver IC (IC5). The motor rotating speed is controlled with the stepping motor
drive signal (R_MOT_CLK) outputted from the CPU (IC10-22pin), and the motor rotating direction is controlled with the signal
(R_MOT_CW/CCW) outputted from the CPU (IC10-21pin).
The analog signal (R_MOT_REF) outputted from the DA converter (IC11-3pin) is divided into a certain voltage with R70 and R71. The
divided voltage is inputted to IC5-7pin to set the motor current value.
Alignment plate position sensor
(FJPD)
(FJPD)
Stapler
Stapler home sensor
(FSHPD)
(FSHPD)
Transport motor
(FRM)
(FRM)
Not installed
MX-FNX9 ELECTRICAL SECTION 10 – 4
2)
Bundle exit motor (FAM) drive circuit
This circuit controls rotation/stop rotating direction and current of the bundle exit motor (FAM), and is composed of the CPU (IC10), the DA
converter (IC11), and the constant-current chopper system driver IC (IC8). The motor rotating speed and the rotting direction are controlled
with the stepping motor drive excitement pattern signal (T_MOT_A, *A, B, *B) outputted from the CPU (IC10-79, 80, 81, 82pin).
The analog signal (T_MOT_REF) outputted from the DA converter (IC11-5pin) is divided into a certain voltage with R74 and R75. The
divided voltage is inputted to IC8-3, 14 pin to set the motor current value.
This circuit controls rotation/stop rotating direction and current of the bundle exit motor (FAM), and is composed of the CPU (IC10), the DA
converter (IC11), and the constant-current chopper system driver IC (IC8). The motor rotating speed and the rotting direction are controlled
with the stepping motor drive excitement pattern signal (T_MOT_A, *A, B, *B) outputted from the CPU (IC10-79, 80, 81, 82pin).
The analog signal (T_MOT_REF) outputted from the DA converter (IC11-5pin) is divided into a certain voltage with R74 and R75. The
divided voltage is inputted to IC8-3, 14 pin to set the motor current value.
3)
Roller up/down motor (FSWM) drive circuit
This circuit controls rotation/stop and the rotating direction of the roller up/down motor (FSWM) and the motor current, and is composed of
the CPU (IC10), the DA converter (IC11), and the constant-current chopper system driver IC (IC16). The motor rotating speed and the
rotating direction are controlled with the stepping motor drive excitement pattern signal (RO_MOT_A, *A, B, *B) outputted from the CPU
(IC10-75, 76, 77, 78pin).
The analog signal (RO_MOT_REF) outputted from the DA converter (IC11-4pin) is divided into a certain voltage with R90 and R114. The
divided voltage is inputted to IC16-3, 14pin to set the motor current value.
This circuit controls rotation/stop and the rotating direction of the roller up/down motor (FSWM) and the motor current, and is composed of
the CPU (IC10), the DA converter (IC11), and the constant-current chopper system driver IC (IC16). The motor rotating speed and the
rotating direction are controlled with the stepping motor drive excitement pattern signal (RO_MOT_A, *A, B, *B) outputted from the CPU
(IC10-75, 76, 77, 78pin).
The analog signal (RO_MOT_REF) outputted from the DA converter (IC11-4pin) is divided into a certain voltage with R90 and R114. The
divided voltage is inputted to IC16-3, 14pin to set the motor current value.
4)
Staple shift motor (FSM) drive circuit
Bundle exit motor (FAM)
Not installed
Roller up/down motor (FSWM)
Not installed
Staple shift motor (FSM)
Not installed
MX-FNX9 ELECTRICAL SECTION 10 – 5
This circuit controls rotation/stop and the rotating direction of the staple shift motor (FSM) and the motor current, and is composed of the
CPU (IC10), the DA converter (IC11), and the constant-current chopper system driver IC (IC4). The motor rotating speed and the rotating
direction are controlled with the stepping motor drive excitement pattern signal (ST_MOT_PA, PB, EA, EB) outputted from the CPU (IC10-
45, 46, 47, 48pin).
The analog signal (ST_MOT_REF) outputted from the DA converter (IC11-18pin) is divided into a certain voltage with R64 and R65. The
divided voltage is inputted to IC4-3, 4pin to set the motor current value. The logic of the standby signal (MOT_STY) outputted from the DA
converter (IC11-7pin) is H when the motor can be operated (READY).
CPU (IC10), the DA converter (IC11), and the constant-current chopper system driver IC (IC4). The motor rotating speed and the rotating
direction are controlled with the stepping motor drive excitement pattern signal (ST_MOT_PA, PB, EA, EB) outputted from the CPU (IC10-
45, 46, 47, 48pin).
The analog signal (ST_MOT_REF) outputted from the DA converter (IC11-18pin) is divided into a certain voltage with R64 and R65. The
divided voltage is inputted to IC4-3, 4pin to set the motor current value. The logic of the standby signal (MOT_STY) outputted from the DA
converter (IC11-7pin) is H when the motor can be operated (READY).
5)
Alignment motor F (FFJM) drive circuit
6)
Alignment motor R (FRJM) drive circuit
This circuit controls rotation/stop and the rotating direction of the alignment motor F (FFJM) and the motor current, and is composed of the
CPU (IC10), the DA converter (IC11), and the constant-current chopper system driver IC (IC17). The motor rotating speed and the rotating
direction are controlled with the stepping motor drive excitement pattern signal (J1_MOT_PA, PB, EA, EB) outputted from the CPU (IC10-
49, 50, 51, 52pin).
The analog signal (J1_MOT_REF) outputted from the DA converter (IC11-19pin) is divided into a certain voltage with R125 and R126. The
divided voltage is inputted to IC17-3, 4pin to set the motor current value. The logic of the standby signal (MOT_STY) outputted from the
DA converter (IC11-7pin) is H when the motor can be operated (READY state).
This circuit controls rotation/stop and the rotating direction of the alignment motor R (FRJM) and the motor current, and is composed of the
CPU (IC10), the DA converter (IC11), and the constant-current chopper system driver IC (IC18). The motor rotating speed and the rotating
direction are controlled with the stepping motor drive excitement pattern signal (J2_MOT_PA, PB, EA, EB) outputted from the CPU (IC10-
53, 54, 55, 56pin).
The analog signal (J2_MOT_REF) outputted from the DA converter (IC11-2pin) is divided into a certain voltage with R127 and R128. The
divided voltage is inputted to IC18-3, 4pin to set the motor current value. The logic of the standby signal (MOT_STY) outputted from the
DA converter (IC11-7pin) is H when the motor can be operated (READY state).
CPU (IC10), the DA converter (IC11), and the constant-current chopper system driver IC (IC17). The motor rotating speed and the rotating
direction are controlled with the stepping motor drive excitement pattern signal (J1_MOT_PA, PB, EA, EB) outputted from the CPU (IC10-
49, 50, 51, 52pin).
The analog signal (J1_MOT_REF) outputted from the DA converter (IC11-19pin) is divided into a certain voltage with R125 and R126. The
divided voltage is inputted to IC17-3, 4pin to set the motor current value. The logic of the standby signal (MOT_STY) outputted from the
DA converter (IC11-7pin) is H when the motor can be operated (READY state).
This circuit controls rotation/stop and the rotating direction of the alignment motor R (FRJM) and the motor current, and is composed of the
CPU (IC10), the DA converter (IC11), and the constant-current chopper system driver IC (IC18). The motor rotating speed and the rotating
direction are controlled with the stepping motor drive excitement pattern signal (J2_MOT_PA, PB, EA, EB) outputted from the CPU (IC10-
53, 54, 55, 56pin).
The analog signal (J2_MOT_REF) outputted from the DA converter (IC11-2pin) is divided into a certain voltage with R127 and R128. The
divided voltage is inputted to IC18-3, 4pin to set the motor current value. The logic of the standby signal (MOT_STY) outputted from the
DA converter (IC11-7pin) is H when the motor can be operated (READY state).
Alignment motor F (FFJM)
Not
installed
installed
Not installed
Alignment motor R (FRJM)
Click on the first or last page to see other MX-FNX9 service manuals if exist.