DOWNLOAD Sharp AR-505 (serv.man11) Service Manual ↓ Size: 136.57 KB | Pages: 11 in PDF or view online for FREE

Trouble code

Description

Main
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.

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

Check
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.

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.

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

Check
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.

U5

00

Content RADF/SPF/RSPF communication trouble
Detail

Communication line test error occurs
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

Check
and
remedy

Check communication line connector and
harness.
Clear the trouble by turning power supply
On/Off.

01

Content RADF resist sensor trouble
Detail

RADF resist sensor detection trouble

Cause

Sensor defective
Improper connection of sensor harness
inside RADF.
RADF control PWB defective

Check
and
remedy

Check resist sensor detection with
SIM2-2.
Check sensor harness inside RADF.

Trouble code

Description

Main
code

Sub

code

U5

02

Content RADF eject/inversion sensor trouble
Detail

RADF eject/inversion sensor detection
trouble

Cause

Defective sensor
Improper connection of sensor harness
inside RADF.
RADF control PWB defective

Check
and
remedy

Check eject/inversion sensor detection
with SIM2-2.
Check sensor harness inside RADF.

03

Content RADF timing sensor trouble
Detail

RADF timing sensor detection trouble

Cause

Defective sensor
Improper connection of sensor harness
inside RADF
RADF control PWB defective

Check
and
remedy

Check timing sensor detection with
SIM2-2.
Check sensor harness inside RADF.

06

Content RSPF post-separation sensor trouble
Detail

RSPF post-separation sensor detection
trouble (in auto adjustment).

Cause

Sensor trouble.
Bad connection of sensor harness in
RSPF.
RSPF control PWB trouble.
Erroneous detection by paper dust.

Check
and
remedy

Check detection of post-separation
sensor with SIM2-2.
Check RSPF sensor harness.
Clean and remove paper dust.

07

Content RSPF read sensor trouble
Detail

RSPF read sensor detection trouble (in
auto adjustment)

Cause

Sensor trouble.
Bad connection of sensor harness in
RSPF.
RSPF control PWB trouble.
Erroneous detection by paper dust.

Check
and
remedy

Check detection of read sensor with
SIM2-2.
Check RSPF sensor harness.
Clean and remove paper dust.

08

Content RSPF SB sensor trouble
Detail

RSPF SB sensor detection trouble (in
auto adjustment)

Cause

Sensor trouble.
Bad connection of sensor harness in
RSPF.
RSPF control PWB trouble.
Erroneous detection by paper dust.

Check
and
remedy

Check detection of SB sensor with
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

Check
and
remedy

Check paper feed motor operation with
SIM2-3,4.

AR-505

9 – 8

8/6/1999

Trouble code

Description

Main
code

Sub

code

U5

16

Content RSPF fan motor operation abnormality
Detail

An abnormality is detected by the input of
RSPF fan motor alarm signal.

Cause

Motor lock.
RSPF control PWB trouble.
Bad connection of RSPF motor harness.

Check
and
remedy

Check the fan motor operation with
SIM2-2.

U6

00

Content Desk communication trouble
Detail

Failed communication with desk
Communication line test error occurs
when power is turned on or after the exit
of a simulation mode.

Cause

Improper connection or broken wire of
connector or harness
Desk control PWB defective
Control PWB (PCU) defective
Malfunction due to noise.

Check
and
remedy

Clear the trouble by turning the power
supply On/Off.
Check communication line connector and
harness.

01 – 03

Content Desk 1, 2, 3 CS lift-up trouble
Detail

Desk cassette lift-up trouble (1st - 3rd
cassettes).

Cause

Defective sensor
RADF control PWB defective
Broken gear
Lift-up motor defective

Check
and
remedy

Check lift-up sensor detection with
SIM4-2.
Check lift-up motor with SIM4-3.

08

Content Desk 24-V power abnormality
Detail

No supply of DC24V to desk

Cause

Improper connection or broken wire of
connector or harness
Desk control PWB defective
Power supply unit defective

Check
and
remedy

Check power supply line connector and
harness.
Check 24-V voltage on power supply unit
and desk control PWB.

09

Content LCC lift motor trouble
Detail

LCC lift motor trouble

Cause

Sensor trouble
LCC control PWB trouble
Gear breakage
Lift motor trouble

Check
and
remedy

Check the sensor detection with SIM 4-2.
Check the lift motor operation with SIM
4-3.

10

Content Desk transport motor trouble
Detail

Desk transport motor operation trouble

Cause

Motor lock
Improper motor speed
Overcurrent to motor
RADF control PWB defective

Check
and
remedy

Check transport motor operation with
SIM4-6.

Trouble code

Description

Main
code

Sub

code

U6

20

Content LCC communication trouble
Detail

LCC communication trouble
Error when power is turned on or in
communication line test after exiting SIM.

Cause

Connector harness improper connection
or disconnection
LCC control PWB trouble
Control PWB (PCU) trouble
Malfunction by noise

Check
and
remedy

Canceled by turning on the power.
Check the connector and harness of the
communication line.

21

Content LCC transport motor trouble
Detail

LCC transport motor operation trouble

Cause

Motor lock
Motor rpm abnormality
Motor overcurrent
LCC control PWB trouble

Check
and
remedy

Check the transport motor operation with
SIM 4-3.

22

Content LCC 24V power abnormality
Detail

DC24V not supplied to LCC

Cause

Connector harness improper connection
or disconnection
LCC control PWB trouble
Power unit trouble

Check
and
remedy

Check the connector and harness of
power line.
Check 24V power in the power unit and
the LCC control PWB.

50

Content Non-support trouble in automatic

detection of option connection (Desk unit)

Detail

In automatic detection of option
connection, a non-support desk unit is
detected.

Cause

A non-support desk unit is connected to
the copier. 

Check
and
remedy

Check the desk unit.

51

Content Non-support trouble in automatic

detection of option connection (LCC unit)

Detail

In automatic detection of option
connection, a non-support LCC unit is
detected.

Cause

A non-support LCC unit is connected to
the copier. 

Check
and
remedy

Check the LCC unit.

U7

00

Content RIC communication trouble
Detail

Communication error with RIC
Error in communication line test after
turning on the power or exiting from SIM.

Cause

Improper connection or disconnection of
connector and harness
RIC control PWB trouble
Control PWB (ICU) trouble
Malfunction caused by noises

Check
and
remedy

Turn off/on the power to cancel the
trouble.

AR-505

8/6/1999

9 – 9

Trouble code

Description

Main
code

Sub

code

U9

00

Content Operation control communication trouble

(ICU detection)

Detail

Communication setup 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

Check
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.

90

Content Operation control communication trouble

(OPE detection)

Detail

Communication setup
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

Check
and
remedy

Check the slave unit PWB and the ICU
PWB connector connection.
Check the copier earth.

EE

EL

Content Auto developing adjustment trouble

(overtoner)

Detail

A sample data is less than 0 when auto
developing adjustment is executed.

Cause

Toner density sensor defective
Charging voltage or developing voltage
improper.
Toner density improper
Developing unit defective
PCU PWB defective

Check
and
remedy

Make auto developing adjustment with
SIM25-2.

EU

Content Auto developing adjustment trouble

(undertoner)

Detail

A sample data is less than 99 when auto
developing adjustment is executed.

Cause

Toner density sensor defective
Charging voltage or developing voltage
improper
Toner density improper
Unit defective
PCU PWB defective

Check
and
remedy

Make auto developing adjustment with
SIM25-2.

Trouble code

Description

Main
code

Sub

code

FC

00

Content ASK/IrDA modulation LSI reset error
Detail

Though the RESET signal pulse is sent
to the ASK/IrDA modulation LSI, the
power signal is not turned ON.

Cause

1)  ICU main PWB defect
2) ASK/IrDA modulation LSI/Clock
oscillator defect

Check
and
remedy

Perform the self diag with SIM 68-01.
Replace the ICU main PWB.

01

Content ASK/IrDA switch error
Detail

Though the ASK/IrDA switch command is
sent to the ASK/IrDA modulation LSI, the
AI signal is not changed.

Cause

1)  ICU main PWB defect
2) ASK/IrDA modulation LSI/Clock
oscillator defect

Check
and
remedy

Perform the self diag with SIM 68-01.
Replace the ICU main PWB.

PF

00

Content RIC copy inhibition command reception
Detail

Copy inhibition command received from
RIC (host)

Cause

Judged by the host.

Check
and
remedy

Notice to the host

––

Content Auditor not ready

AR-505

9 – 10

8/6/1999

Trouble code

Description

Main
code

Sub

code

U9

00

Content Operation control communication trouble

(ICU detection)

Detail

Communication setup 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

Check
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.

90

Content Operation control communication trouble

(OPE detection)

Detail

Communication setup
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

Check
and
remedy

Check the slave unit PWB and the ICU
PWB connector connection.
Check the copier earth.

EE

EL

Content Auto developing adjustment trouble

(overtoner)

Detail

A sample data is less than 0 when auto
developing adjustment is executed.

Cause

Toner density sensor defective
Charging voltage or developing voltage
improper.
Toner density improper
Developing unit defective
PCU PWB defective

Check
and
remedy

Make auto developing adjustment with
SIM25-2.

EU

Content Auto developing adjustment trouble

(undertoner)

Detail

A sample data is less than 99 when auto
developing adjustment is executed.

Cause

Toner density sensor defective
Charging voltage or developing voltage
improper
Toner density improper
Unit defective
PCU PWB defective

Check
and
remedy

Make auto developing adjustment with
SIM25-2.

Trouble code

Description

Main
code

Sub

code

FC

00

Content ASK/IrDA modulation LSI reset error
Detail

Though the RESET signal pulse is sent
to the ASK/IrDA modulation LSI, the
power signal is not turned ON.

Cause

1)  ICU main PWB defect
2) ASK/IrDA modulation LSI/Clock
oscillator defect

Check
and
remedy

Perform the self diag with SIM 68-01.
Replace the ICU main PWB.

01

Content ASK/IrDA switch error
Detail

Though the ASK/IrDA switch command is
sent to the ASK/IrDA modulation LSI, the
AI signal is not changed.

Cause

1)  ICU main PWB defect
2) ASK/IrDA modulation LSI/Clock
oscillator defect

Check
and
remedy

Perform the self diag with SIM 68-01.
Replace the ICU main PWB.

PF

00

Content RIC copy inhibition command reception
Detail

Copy inhibition command received from
RIC (host)

Cause

Judged by the host.

Check
and
remedy

Notice to the host

––

Content Auditor not ready

AR-505

9 – 10

8/6/1999