Read Sharp MX-PNX1C (serv.man12) Service Manual online
MX-FNX1/MX-PNX1 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)
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