Read Sharp AR-505 (serv.man11) Service Manual online
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
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