Read Sharp MX-PNX1A (serv.man11) Service Manual online
MX-FNX1/MX-PNX1 SELF DIAGNOSTICS AND TROUBLE CODES 9 – 3
B. MX-PNX1A/B/C/D
Case 6
Cause
Control PWB trouble
Check &
Remedy
Remedy
After checking the above 1 to 5, if the
phenomenon is not removed though the
sensor level is changed and if the motor does
not operate in the motor single operation
mode, replace the control PWB.
phenomenon is not removed though the
sensor level is changed and if the motor does
not operate in the motor single operation
mode, replace the control PWB.
Phenomenon
The fan (FFAN) does not operate. Trouble code: F1-
21
21
Case 1
Cause
Pinching of a foreign material
Check &
Remedy
Remedy
Visually check to remove a foreign material from the
inlet port.
inlet port.
Case 2
Cause
Motor coil disconnection
Check &
Remedy
Remedy
Perform the conduction test of the coil. If there is no
conduction, replace the motor.
conduction, replace the motor.
Case 3
Cause
Lock detection trouble
Check &
Remedy
Remedy
Measure the voltage of TP88 on the control PWB to
confirm that it is 1V or less when lock is released,
and is 5V
confirm that it is 1V or less when lock is released,
and is 5V
±5% when lock is set. If the voltage does
not satisfy the above condition, replace it.
Case 4
Cause
Control PWB trouble
Check &
Remedy
Remedy
After checking the above 1 to 3, if the fan (FFAN)
does not operate in the motor single operation mode,
replace the control PWB.
does not operate in the motor single operation mode,
replace the control PWB.
Phenomenon
Though the main switch of the main unit is turned
ON, the inner punch does not operate at all.
ON, the inner punch does not operate at all.
Case 1
Cause
Connection failure with the inner finisher
Check &
Remedy
Remedy
Check to confirm that each connector is connected
properly.
properly.
Case 2
Cause
Connection failure of the drawer connector with the
inner finisher
inner finisher
Check &
Remedy
Remedy
Check the conduction state of the connector pins as
well as the inner finisher. If there is no conduction,
replace the drawer connector.
well as the inner finisher. If there is no conduction,
replace the drawer connector.
Case 3
Cause
Control PWB trouble
Check &
Remedy
Remedy
After checking the above 1 and 2, if DC24V and
DC5V are not supplied from the main unit or if 24V is
not output to TP19 and 5V is not output to TP22 on
the control PWB, replace the control PWB.
DC5V are not supplied from the main unit or if 24V is
not output to TP19 and 5V is not output to TP22 on
the control PWB, replace the control PWB.
Pheno
menon
menon
The punch motor (FPNM) does not operate.
Trouble code: F1-34
Trouble code: F1-34
Case 1
Cause
Punch position sensor (FPHPD) trouble
Check &
Remedy
Remedy
Measure the voltage of TP47 on the inner finisher
control PWB to confirm that it is 5V
control PWB to confirm that it is 5V
±5% at the home
position, and is 1V or less when punching. If the
voltage does not satisfy the above condition, replace
the sensor.
voltage does not satisfy the above condition, replace
the sensor.
Case 2
Cause
Rear position sensor (FPRPD) trouble
Check &
Remedy
Remedy
Measure the voltage of TP48 on the inner finisher
control PWB to confirm that it is 5V
control PWB to confirm that it is 5V
±5% at the lower
limit position, and is 1V or less at the upper limit
position. If the voltage does not satisfy the above
condition, replace the sensor.
position. If the voltage does not satisfy the above
condition, replace the sensor.
Case 3
Cause
Motor coil disconnection
Check &
Remedy
Remedy
Perform the conduction test of the coil. If there is no
conduction, replace the coil.
conduction, replace the coil.
Case 4
Cause
Control PWB trouble
Check &
Remedy
Remedy
After checking the above 1 to 3, if the phenomenon
is not removed though the sensor level is changed
and if the motor does not operate in the motor single
operation mode, replace the control PWB.
is not removed though the sensor level is changed
and if the motor does not operate in the motor single
operation mode, replace the control PWB.
Phenomenon
Punch horizontal resist motor (FPSM) does not
operate. Trouble code: F1-33
operate. Trouble code: F1-33
Case 1
Cause
Horizontal shift HP sensor (FPSHPD) trouble
Check &
Remedy
Remedy
Measure the voltage of TP49 on the inner finisher
control PWB to confirm that it is 5V
control PWB to confirm that it is 5V
±5% at the home
position, and is 1V or less at the upper limit position.
If the voltage does not satisfy the above condition,
replace the sensor.
If the voltage does not satisfy the above condition,
replace the sensor.
Case 2
Cause
Motor coil disconnection
Check &
Remedy
Remedy
Perform the conduction test of the coil. If there is no
conduction, replace the coil.
conduction, replace the coil.
Case 3
Cause
Control PWB trouble
Check &
Remedy
Remedy
After checking the above 1 and 2, if the
phenomenon is not removed though the sensor level
is changed and if the motor does not operate in the
motor single operation mode, replace the control
PWB.
phenomenon is not removed though the sensor level
is changed and if the motor does not operate in the
motor single operation mode, replace the control
PWB.
Phenomenon
The punch dust container full is not detected.
Case 1
Cause
Full sensor (FPDD) trouble
Check &
Remedy
Remedy
If there is no punch dust in the punch dust container,
measure the voltage of TP2 on the control PWB to
confirm that it is 5V
measure the voltage of TP2 on the control PWB to
confirm that it is 5V
±5% when the punch dust
Case 2
Cause
Control PWB trouble
Check &
Remedy
Remedy
If the phenomenon is not removed though the
sensor level is changed by turning ON/OFF the
sensor, replace the control PWB.
sensor level is changed by turning ON/OFF the
sensor, replace the control PWB.
Phenomenon
Case 1
Cause
Paper jam
Check &
Remedy
Remedy
Visually check and remove the paper jam.
Case 2
Cause
Paper rear edge sensor (FPPEND) trouble
Check &
Remedy
Remedy
Measure the voltage of TP54 on the inner finisher
control PWB to confirm that it is 1.05V or less when
paper is supplied, and is 2.88V or more when paper
is empty. If the voltage does not satisfy the above
condition, replace the sensor PWB (LED, PTR).
control PWB to confirm that it is 1.05V or less when
paper is supplied, and is 2.88V or more when paper
is empty. If the voltage does not satisfy the above
condition, replace the sensor PWB (LED, PTR).
Case 3
Cause
Paper horizontal resist sensor (FPPD1 to 6) trouble
Check &
Remedy
Remedy
Measure the voltage of TP55 on the inner finisher
control PWB to confirm that it is 1.05V or less when
paper is supplied, and is 2.88V or more when paper
is empty. If the voltage does not satisfy the above
condition, replace the sensor PWB (LED, PTR).
control PWB to confirm that it is 1.05V or less when
paper is supplied, and is 2.88V or more when paper
is empty. If the voltage does not satisfy the above
condition, replace the sensor PWB (LED, PTR).
Case 4
Cause
Control PWB trouble
Check &
Remedy
Remedy
If the phenomenon is not removed though the
sensor level is changed by turning ON/OFF the
sensor, replace the control PWB.
sensor level is changed by turning ON/OFF the
sensor, replace the control PWB.
