Sharp AR-M450 Service Manual page 140

MAIN SUB
F1 33 Content Console finisher (AR-FN7)
punch (AR-PN1) side registration motor
trouble
Detail Punch side registration motor operation
abnormality
Cause Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Check and Use DIAG (SIM3-3) to check the motor
remedy operation.
34 Content Console finisher (AR-FN7)
punch (AR-PN1) motor trouble
Detail Punch motor operation abnormality
Cause Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Check and Use DIAG (SIM3-3) to check the motor
remedy operation.
35 Content Console finisher (AR-FN7)
punch (AR-PN1) side registration sensor
trouble
Detail Sensor input value abnormality
Cause Sensor breakage
Harness disconnection
Console finisher control PWB trouble
Check and Use DIAG (SIM3-2) to check the sensor
remedy operation.
36 Content Console finisher (AR-FN7)
punch (AR-PN1) timing sensor trouble
Detail Sensor input value abnormality
Cause Sensor breakage
Harness disconnection
Console finisher control PWB trouble
Check and Use DIAG (SIM3-2) to check the sensor
remedy operation.
37 Content Console finisher (AR-FN7)
backup RAM trouble
Detail Backup RAM contents are disturbed.
Cause Console finisher control PWB trouble
Malfunction by noise
Check and Replace the console finisher control PWB.
remedy
38 Content Console finisher (AR-FN7)
punch (AR-PN1) backup RAM trouble
Detail Punch unit backup RAM contents are
disturbed.
Cause Punch control PWB trouble
Malfunction by noise
Check and Replace the punch control PWB.
remedy
81 Content Console finisher transport motor abnormality
Detail Transport motor trouble
Cause Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Check and Use DIAG (SIM3-3) to check the motor
remedy operation.
MAIN SUB
F2 00
02
04
05
39
F3 12
22
AR-M350 TROUBLE CODES 11-6
Content Toner control sensor abnormality
Detail Toner control sensor output open
Cause Connector harness trouble
Connector disconnection
Check and Check connection of the toner control sensor.
remedy Check connection of connector and harness
to the main PWB.
Check for disconnection of harness.
Content Toner supply abnormality
Detail Toner control sensor output value becomes
under-toner too earlier.
Cause Connector harness trouble
Toner control sensor trouble
The toner cartridge seal is not removed
Check and Check connection of the connector in the
remedy toner motor section.
Check connection of connector and harness
to the main PWB.
Check for disconnection of harness.
Toner control sensor output check DIAG
(SIM25-1)
Remove the toner cartridge seal.
Content Improper cartridge (life cycle error, etc.)
Detail An improper process cartridge is inserted.
Cause IC chip trouble
Improper cartridge
Check and Insert a proper cartridge.
remedy
Content CRUM error
Detail Communication with IC chip cannot be
made.
Cause IC chip trouble
Improper cartridge
Check and Insert a proper cartridge.
remedy
Content Process thermistor trouble
Detail Process thermistor open
Cause Process thermistor trouble
Process thermistor harness disconnection
PCU PWB trouble
Check and Check connection of harness and connector
remedy of the process thermistor.
Check PCU PWB.
Content Machine no. 1 tray lift-up trouble
Detail PED does not turn ON in the specified time.
LUD does not turn ON in the specified time.
Cause PED/LUD trouble
No. 1 tray lift-up trouble
Check connection of harness between the
PCVU PWB, lift-up unit, and paper feed unit.
Check and Check PED, LUD, and their harness and
remedy connectors.
Check the lift-up unit.
Content Multi purpose tray lift-up trouble
Detail MCPED does not turn ON in the specified
time.
MCLUD does not turn ON in the specified
time.
Cause MCPED/MCLUD trouble
Multi purpose tray lift-up motor trouble
Harness disconnection f the PCU PWB, the
lift-up unit, and the paper feed unit.
Check and Check MCPED, PCLUD, and their harness
remedy and connectors.
Check the lift-up unit.