Sharp AR-505 (serv.man11) Service Manual ▷ View online
Trouble code
Description
Main
code
code
Sub
code
F2
32
Content Process control trouble (Drum marking
scanning trouble)
Detail
Usually the sensor gain is adjusted so
that the output is a certain value, by
reading the drum base surface with the
drum marking sensor before starting
process control.
However, a certain output is not obtained
by adjusting the sensor gain.
that the output is a certain value, by
reading the drum base surface with the
drum marking sensor before starting
process control.
However, a certain output is not obtained
by adjusting the sensor gain.
Cause
Drum marking sensor defective
Improper connection of harness between
PCU PWB and drum marking sensor
Drum marking sensor contaminated
OPC drum cleaning improper
Charging voltage improper
Improper connection of harness between
PCU PWB and drum marking sensor
Drum marking sensor contaminated
OPC drum cleaning improper
Charging voltage improper
Check
and
remedy
and
remedy
Check process control output with
SIM44-02. (Do not adjust.)
If the result is far different from the
specified value, it suggests the sensor is
defective. Check the sensor and harness.
If the deviation is relatively small, check
the sensor and drum surface for
contamination.
SIM44-02. (Do not adjust.)
If the result is far different from the
specified value, it suggests the sensor is
defective. Check the sensor and harness.
If the deviation is relatively small, check
the sensor and drum surface for
contamination.
37
Content Drum marking sensor gain adjustment
error
Detail
When the drum marking area surface is
scanned with the drum marking sensor
before starting process control and the
sensor gain is adjusted until a constant
output is provided, the output is not
constant though the sensor gain is
changed.
scanned with the drum marking sensor
before starting process control and the
sensor gain is adjusted until a constant
output is provided, the output is not
constant though the sensor gain is
changed.
Cause
Drum marking sensor trouble
Improper connection between PCU PWB
and drum marking sensor
Drum marking sensor is dirty
OPC drum cleaning trouble
Improper connection between PCU PWB
and drum marking sensor
Drum marking sensor is dirty
OPC drum cleaning trouble
Check
and
remedy
and
remedy
Perform the gain adjustment of process
control sensor with SIM 44-2.
If ERROR is displayed, it may be a
breakdown. Check the sensor and the
harness.
When the adjustment is completed,
check the drum surface conditions.
control sensor with SIM 44-2.
If ERROR is displayed, it may be a
breakdown. Check the sensor and the
harness.
When the adjustment is completed,
check the drum surface conditions.
39
Content Process thermistor breakdown
Detail
Detail
The process thermistor is open.
Cause
Process thermistor abnormality
Improper connection of the process
thermistor bar
PCU PWB abnormality
Improper connection of the process
thermistor bar
PCU PWB abnormality
Check
and
remedy
and
remedy
Check connection of the process
thermistor harness and connector.
Check the PCU PWB.
thermistor harness and connector.
Check the PCU PWB.
F3
12
Content Copier top stage CS lift up trouble
Detail
Detail
UPED does not turn on within the
specified time.
ULUD does not turn on within the
specified time.
specified time.
ULUD does not turn on within the
specified time.
Cause
UPED or ULUD defective
Upper cassette lift-up motor defective
Improper connection of harness between
PCU PWB, lift-up unit, and paper feed
unit.
Upper cassette lift-up motor defective
Improper connection of harness between
PCU PWB, lift-up unit, and paper feed
unit.
Check
and
remedy
and
remedy
Check UPED, ULUD and their harness
and connector.
Check lift-up unit.
and connector.
Check lift-up unit.
Trouble code
Description
Main
code
code
Sub
code
F3
22
Content Copier bottom stage CS lift up trouble
Detail
Detail
LPED does not turn on within the
specified time.
LLUD does not turn on within the
specified time.
specified time.
LLUD does not turn on within the
specified time.
Cause
LPED or LLUD defective
Lower cassette lift-up motor defective
Improper connection of harness between
PCU PWB, lift-up unit, and paper feed
unit.
Lower cassette lift-up motor defective
Improper connection of harness between
PCU PWB, lift-up unit, and paper feed
unit.
Check
and
remedy
and
remedy
Check LPED, LLUD, their harnesses and
connectors.
Check lift-up unit.
connectors.
Check lift-up unit.
F9
00
Content Printer communication trouble (ICU
detection)
Detail
Communication setup error,
framing/parity/protocol error
framing/parity/protocol error
Cause
Slave unit PWB connector improper
connection
Slave unit PWB – ICU PWB harness
trouble
Connector pin breakage of the motor
PWB of the slave unit PWB
Slave unit ROM trouble. no ROM, ROM
reverse insertion, ROM pin breakage
connection
Slave unit PWB – ICU PWB harness
trouble
Connector pin breakage of the motor
PWB of the slave unit PWB
Slave unit ROM trouble. no ROM, ROM
reverse insertion, ROM pin breakage
Check
and
remedy
and
remedy
Connect the connector of the slave unit
PWB and the ICU PWB.
Check the connection and the harness.
Check the grounding of the copier.
Check the ROM of the slave unit PWB.
PWB and the ICU PWB.
Check the connection and the harness.
Check the grounding of the copier.
Check the ROM of the slave unit PWB.
01
Content PRT DRAM trouble
Detail
Detail
Option printer PWB DRAM trouble
(Check when turning on the power.)
(Check when turning on the power.)
Cause
DRAM module is broken and access
cannot be made.
DRAM module improper installation
cannot be made.
DRAM module improper installation
Check
and
remedy
and
remedy
Check with SIM 67-1.
03
Content Network card trouble.
Detail
Detail
Network card self test trouble.
Cause
Network card defecft.
Printer PWB defect.
Network card connector connection
defect.
Printer PWB defect.
Network card connector connection
defect.
Check
and
remedy
and
remedy
Check the Network card connector.
Replace the printer PWB.
Replace the Network card.
Replace the printer PWB.
Replace the Network card.
04
Content Printer program error.
Detail
Detail
Program data trouble in the option printer
board.
board.
Cause
Flash memory data is destroied.
Check
and
remedy
and
remedy
Replace or rewrite the Flash memory.
Replace the printer PWB.
Replace the printer PWB.
10
Content PRT SCSI LSI abnormality
Detail
Detail
An error occurred in SCSI
communication with the option printer
board.
communication with the option printer
board.
Cause
SCSI LSI abnormality
ISU PWB abnormality
SCSI connector improper connection
ISU PWB abnormality
SCSI connector improper connection
Check
and
remedy
and
remedy
Replace the printer PWB.
Check the SCSI connector.
Replace the ISU PWB.
Check the SCSI connector.
Replace the ISU PWB.
AR-505
8/6/1999
9 – 5
Trouble code
Description
Main
code
code
Sub
code
F9
90
Content Printer communication trouble (PRT
detection)
Detail
Communication setup
error/framing/parity/protocol error
error/framing/parity/protocol error
Cause
Slave unit PWB connector improper
connection
Slave unit PWB – ICU PWB harness
trouble
Slave unit PWB mother board connector
pin breakage
connection
Slave unit PWB – ICU PWB harness
trouble
Slave unit PWB mother board connector
pin breakage
Check
and
remedy
and
remedy
Check the slave unit PWB and the ICU
PWB connector connection.
Check the copier earth.
PWB connector connection.
Check the copier earth.
H2
00
…
HL1
01
…
HL2
Content Thermister open
Fusing unit not installed
Detail
Thermister is open (more than 4.6-V
input voltage is detected).
Fusing unit not installed
input voltage is detected).
Fusing unit not installed
Cause
Thermister defective
Control PWB defective
Improper connection of fusing connector
AC power supply defective
Fusing unit not installed
Control PWB defective
Improper connection of fusing connector
AC power supply defective
Fusing unit not installed
Check
and
remedy
and
remedy
Check harness and connector between
thermister and control PWB.
Clear the display of self-diagnostics with
SIM14.
thermister and control PWB.
Clear the display of self-diagnostics with
SIM14.
H3
00
…
HL1
01
…
HL2
Content Heat roller high temperature detection
Detail
Detail
The fusing temperature is over 241.5° C
(less than 1.3-V input voltage is
detected.)
(less than 1.3-V input voltage is
detected.)
Cause
Thermister defective
Control PWB defective
Improper connection of fusing unit
connector
AC power supply defective
Control PWB defective
Improper connection of fusing unit
connector
AC power supply defective
Check
and
remedy
and
remedy
Check heater lamp operation with
SIM5-2.
If lamp blinks properly:
Check thermister and its harness.
Check thermister input circuit of control
PWB.
If lamp lights and stays lit:
Check lamp control circuits of AC PWB
and control PWB.
Clear the trouble with SIM14.
SIM5-2.
If lamp blinks properly:
Check thermister and its harness.
Check thermister input circuit of control
PWB.
If lamp lights and stays lit:
Check lamp control circuits of AC PWB
and control PWB.
Clear the trouble with SIM14.
Trouble code
Description
Main
code
code
Sub
code
H4
00
…
HL1
01
…
HL2
Content Heat roller low temperature detection
Detail
Detail
The temperature does not reach the
preset value within the specified time (3
min. in usual modes; 5 min. in curl
correction mode.) after the power relay is
turned on.
preset value within the specified time (3
min. in usual modes; 5 min. in curl
correction mode.) after the power relay is
turned on.
Cause
Thermister defective
Heater lamp defective
Control PWB defective
Thermostat defective
AC power supply defective
Interlock switch defective
Heater lamp defective
Control PWB defective
Thermostat defective
AC power supply defective
Interlock switch defective
Check
and
remedy
and
remedy
Check heater lamp for blinking with
SIM5-2.
If lamp blinks properly:
Check thermister and its harness.
Check thermister input circuit of control
PWB.
If lamp does not light:
Check heater lamp for broken wire and
thermostat for operation.
Check interlock switch.
Check lamp control circuit of AC PWB
and control PWB.
Clear the trouble with SIM14.
SIM5-2.
If lamp blinks properly:
Check thermister and its harness.
Check thermister input circuit of control
PWB.
If lamp does not light:
Check heater lamp for broken wire and
thermostat for operation.
Check interlock switch.
Check lamp control circuit of AC PWB
and control PWB.
Clear the trouble with SIM14.
H5
01
Content 3 continuous POD1 not-reaching JAM
detection
Detail
3 continuous POD1 not-reaching JAM
detection
detection
Cause
Check that the fusing JAM is completely
cancelled. (Jam paper may be
remained.)
POD1 sensor trouble or improper
harness connection
Improper installation of the fusing
harness.
cancelled. (Jam paper may be
remained.)
POD1 sensor trouble or improper
harness connection
Improper installation of the fusing
harness.
Check
and
remedy
and
remedy
Check JAM paper in the fusing section.
(Winding, etc.)
Check POD1 sensor harness. Check the
fusing unit installation.
Cancel the trouble with SIM 14.
(Winding, etc.)
Check POD1 sensor harness. Check the
fusing unit installation.
Cancel the trouble with SIM 14.
02
Content Fusing thermistor abnormality
Detail
Detail
Fusing thermistor temperature transient
abnormality (Paper winding)
abnormality (Paper winding)
Cause
Paper winding to fusing roller
Fusing pawl abnormality
Fusing unit installation abnormality
Fusing pawl abnormality
Fusing unit installation abnormality
Check
and
remedy
and
remedy
Check for jam (winding) paper in the
fusing section.
Check for installation of the fusing unit.
Check the fusing pawl.
Cancel the trouble with SIM 14.
fusing section.
Check for installation of the fusing unit.
Check the fusing pawl.
Cancel the trouble with SIM 14.
L1
00
Content Scanner feed trouble
Detail
Detail
Scanner feed is not finished within the
specified time. (timer is change by
magnification)
specified time. (timer is change by
magnification)
Cause
Mirror unit defective
Scanner wire disconnected
Scanner wire disconnected
Check
and
remedy
and
remedy
Check scanning operation with SIM1-1.
AR-505
9 – 6
8/6/1999
Trouble code
Description
Main
code
code
Sub
code
L3
00
Content Scanner return trouble
Detail
Detail
Scanner return is not finished within the
specified time. (timer is change by
magnification)
specified time. (timer is change by
magnification)
Cause
Mirror unit defective
Scanner wire disconnected
Scanner wire disconnected
Check
and
remedy
and
remedy
Check scanning operation with SIM1-1.
L4
01
Content Main motor lock detection
Detail
Detail
Motor lock signal is detected for 1.5
seconds during main motor rotation
seconds during main motor rotation
Cause
Main motor defective
Improper connection of harness between
PCU PWB and main motor
Control circuit defective
Improper connection of harness between
PCU PWB and main motor
Control circuit defective
Check
and
remedy
and
remedy
Check main motor operation with
SIM25-1.
Check harness and connector between
PCU PWB and main motor.
SIM25-1.
Check harness and connector between
PCU PWB and main motor.
L6
10
Content Polygon motor lock detection
Detail
Detail
It was judged that there is no output of
polygon motor lock signal of LSU.
The lock signal was checked at about
10-second intervals after the polygon
motor started rotating. As result, it was
judged that the polygon motor failed to
operate normally.
polygon motor lock signal of LSU.
The lock signal was checked at about
10-second intervals after the polygon
motor started rotating. As result, it was
judged that the polygon motor failed to
operate normally.
Cause
Disconnected connecter to LSU or
detached harness inside LSU or broken
wire.
Polygon motor defective
detached harness inside LSU or broken
wire.
Polygon motor defective
Check
and
remedy
and
remedy
Check polygon motor operation with
SIM61-1.
Check harness and connector for
connection. Replace LSU if needed.
SIM61-1.
Check harness and connector for
connection. Replace LSU if needed.
L8
01
Content No full-wave signal
Detail
Detail
Full-wave signal is not detected.
Cause
PCU PWB trouble
Power unit trouble
Power unit trouble
Check
and
remedy
and
remedy
Check connection of the harness and the
connector.
Replace the PCU PWB.
Replace the power unit.
connector.
Replace the PCU PWB.
Replace the power unit.
02
Content Full-wave signal with abnormality
Detai
Detai
Full-wave signal frequency abnormality
detected.
(The detected frequency: 69Hz or above
or 42.5Hz or below)
detected.
(The detected frequency: 69Hz or above
or 42.5Hz or below)
Cause
Check for disconnection or improper
connection of the connector of the PCU
PWB and the power PWB harness.
PCU PWB trouble
Power unit trouble
connection of the connector of the PCU
PWB and the power PWB harness.
PCU PWB trouble
Power unit trouble
Check
and
remedy
and
remedy
Check connection of the harness and
connector.
Replace the power unit.
connector.
Replace the power unit.
Trouble code
Description
Main
code
code
Sub
code
U2
00
Content EEPROM read/write error
Detail
Detail
EEPROM version error. Error in writing
into EEPROM.
into EEPROM.
Cause
EEPROM defective
Uninitialized EEPROM is installed
Defective EEPROM access circuit on
PCU PWB
Uninitialized EEPROM is installed
Defective EEPROM access circuit on
PCU PWB
Check
and
remedy
and
remedy
Check EEPROM for proper set-up
To prevent the erasure of counter data
and adjustment values, write down the
counter data and adjustment values by
simulation. (If there is a printer option,
execute SIM23-1 and note counter
data/adjustment values.)
Clear U2 trouble with SIM16.
Replace PCU PWB.
To prevent the erasure of counter data
and adjustment values, write down the
counter data and adjustment values by
simulation. (If there is a printer option,
execute SIM23-1 and note counter
data/adjustment values.)
Clear U2 trouble with SIM16.
Replace PCU PWB.
11
Content Counter check sum error (EEPROM)
Detail
Detail
Checksum error in counter data area
Cause
EEPROM defective
Control circuit hung up due to noise
Defective EEPROM access circuit on
PCU PWB
Control circuit hung up due to noise
Defective EEPROM access circuit on
PCU PWB
Check
and
remedy
and
remedy
Check EEPROM for proper set-up
To prevent the erasure of counter data
and adjustment values, write down the
counter data and adjustment values by
simulation. (If there is a printer option,
execute SIM23-1 and note counter
data/adjustment values.)
Clear U2 trouble with SIM16.
Replace PCU PWB.
To prevent the erasure of counter data
and adjustment values, write down the
counter data and adjustment values by
simulation. (If there is a printer option,
execute SIM23-1 and note counter
data/adjustment values.)
Clear U2 trouble with SIM16.
Replace PCU PWB.
U2
12
Content Adjustment value check sum error
(EEPROM)
Detail
Checksum error in adjustment value data
area
area
Cause
EEPROM defective
Control circuit hung up due to noise.
Defective EEPROM access circuit on
PCU PWB
Control circuit hung up due to noise.
Defective EEPROM access circuit on
PCU PWB
Check
and
remedy
and
remedy
Check EEPROM for proper set-up
To prevent the erasure of counter data
and adjustment values, write down the
counter data and adjustment values by
simulation. (If there is a printer option,
execute SIM23-1 and note counter
data/adjustment values.)
Clear U2 trouble with SIM16.
Replace PCU PWB.
To prevent the erasure of counter data
and adjustment values, write down the
counter data and adjustment values by
simulation. (If there is a printer option,
execute SIM23-1 and note counter
data/adjustment values.)
Clear U2 trouble with SIM16.
Replace PCU PWB.
AR-505
8/6/1999
9 – 7
Trouble code
Description
Main
code
code
Sub
code
U4
02
Content ADU alignment plate operation
abnormality
Detail
The plate won’t move from home position
more than 1 second after sending the
command to leave home position. Or the
plate won’t return to home position within
5 seconds after sending the command to
return to home position.
more than 1 second after sending the
command to leave home position. Or the
plate won’t return to home position within
5 seconds after sending the command to
return to home position.
Cause
Home position sensor defective
Alignment shift motor defective
Improper connection of harness between
PCU PWB, motor and sensor.
Control PWB (PCU) defective
Alignment plate driving belt or gear
damaged or improperly adjusted
Alignment shift motor defective
Improper connection of harness between
PCU PWB, motor and sensor.
Control PWB (PCU) defective
Alignment plate driving belt or gear
damaged or improperly adjusted
Check
and
remedy
and
remedy
Check home position sensor detection
with SIM9-2.
Check alignment plate operation with
SIM9-4.
Check connection between PCU, motor
and sensor.
Remove ADU and check gear and belt
for damage.
with SIM9-2.
Check alignment plate operation with
SIM9-4.
Check connection between PCU, motor
and sensor.
Remove ADU and check gear and belt
for damage.
03
Content ADU rear edge plate operation
abnormality
Detail
When the plate is not shifted from the
home position for 1 sec or more or when
returning to the home position is not
detected for 5 sec or more.
home position for 1 sec or more or when
returning to the home position is not
detected for 5 sec or more.
Cause
Home position sensor defect
Rear edge plate shift motor defect
Control PWB (PCU) defect
Rear edge plate operation belt/gear
damage or adjustment error
Rear edge plate shift motor defect
Control PWB (PCU) defect
Rear edge plate operation belt/gear
damage or adjustment error
Check
and
remedy
and
remedy
Check the home position sensor
operation with SIM 9-21.
Check the rear edge plate operation with
SIM 9-31.
Check between the PCU PWB, the
motor, and the sensor.
Remove the ADU and check the gear
and the belt.
operation with SIM 9-21.
Check the rear edge plate operation with
SIM 9-31.
Check between the PCU PWB, the
motor, and the sensor.
Remove the ADU and check the gear
and the belt.
U5
00
Content RADF/SPF/RSPF communication trouble
Detail
Detail
Communication line test error occurs
when power is turned on or after the exit
of a simulation mode.
Improper communication with RADF
when power is turned on or after the exit
of a simulation mode.
Improper communication with RADF
Cause
Improper connection or broken wire of
connector or harness
RADF control PWB defective
Control PWB (PCU) defective
Malfunction due to noise
connector or harness
RADF control PWB defective
Control PWB (PCU) defective
Malfunction due to noise
Check
and
remedy
and
remedy
Check communication line connector and
harness.
Clear the trouble by turning power supply
On/Off.
harness.
Clear the trouble by turning power supply
On/Off.
01
Content RADF resist sensor trouble
Detail
Detail
RADF resist sensor detection trouble
Cause
Sensor defective
Improper connection of sensor harness
inside RADF.
RADF control PWB defective
Improper connection of sensor harness
inside RADF.
RADF control PWB defective
Check
and
remedy
and
remedy
Check resist sensor detection with
SIM2-2.
Check sensor harness inside RADF.
SIM2-2.
Check sensor harness inside RADF.
Trouble code
Description
Main
code
code
Sub
code
U5
02
Content RADF eject/inversion sensor trouble
Detail
Detail
RADF eject/inversion sensor detection
trouble
trouble
Cause
Defective sensor
Improper connection of sensor harness
inside RADF.
RADF control PWB defective
Improper connection of sensor harness
inside RADF.
RADF control PWB defective
Check
and
remedy
and
remedy
Check eject/inversion sensor detection
with SIM2-2.
Check sensor harness inside RADF.
with SIM2-2.
Check sensor harness inside RADF.
03
Content RADF timing sensor trouble
Detail
Detail
RADF timing sensor detection trouble
Cause
Defective sensor
Improper connection of sensor harness
inside RADF
RADF control PWB defective
Improper connection of sensor harness
inside RADF
RADF control PWB defective
Check
and
remedy
and
remedy
Check timing sensor detection with
SIM2-2.
Check sensor harness inside RADF.
SIM2-2.
Check sensor harness inside RADF.
06
Content RSPF post-separation sensor trouble
Detail
Detail
RSPF post-separation sensor detection
trouble (in auto adjustment).
trouble (in auto adjustment).
Cause
Sensor trouble.
Bad connection of sensor harness in
RSPF.
RSPF control PWB trouble.
Erroneous detection by paper dust.
Bad connection of sensor harness in
RSPF.
RSPF control PWB trouble.
Erroneous detection by paper dust.
Check
and
remedy
and
remedy
Check detection of post-separation
sensor with SIM2-2.
Check RSPF sensor harness.
Clean and remove paper dust.
sensor with SIM2-2.
Check RSPF sensor harness.
Clean and remove paper dust.
07
Content RSPF read sensor trouble
Detail
Detail
RSPF read sensor detection trouble (in
auto adjustment)
auto adjustment)
Cause
Sensor trouble.
Bad connection of sensor harness in
RSPF.
RSPF control PWB trouble.
Erroneous detection by paper dust.
Bad connection of sensor harness in
RSPF.
RSPF control PWB trouble.
Erroneous detection by paper dust.
Check
and
remedy
and
remedy
Check detection of read sensor with
SIM2-2.
Check RSPF sensor harness.
Clean and remove paper dust.
SIM2-2.
Check RSPF sensor harness.
Clean and remove paper dust.
08
Content RSPF SB sensor trouble
Detail
Detail
RSPF SB sensor detection trouble (in
auto adjustment)
auto adjustment)
Cause
Sensor trouble.
Bad connection of sensor harness in
RSPF.
RSPF control PWB trouble.
Erroneous detection by paper dust.
Bad connection of sensor harness in
RSPF.
RSPF control PWB trouble.
Erroneous detection by paper dust.
Check
and
remedy
and
remedy
Check detection of SB sensor with
SIM2-2.
Check RSPF sensor harness.
Clean and remove paper dust.
SIM2-2.
Check RSPF sensor harness.
Clean and remove paper dust.
11
Content RADF paper feed motor operation
abnormality
Detail
Paper feed motor driving error
Cause
Motor lock
Improper motor speed
Overcurrent to motor
RADF control PWB defective
Improper motor speed
Overcurrent to motor
RADF control PWB defective
Check
and
remedy
and
remedy
Check paper feed motor operation with
SIM2-3,4.
SIM2-3,4.
AR-505
9 – 8
8/6/1999
Click on the first or last page to see other AR-505 (serv.man11) service manuals if exist.