AR-5618S TROUBLE CODE LIST 8-3
H3
00
Content
Heat roller high temperature detection (MAIN)
Detail
The fusing temperature exceeds 245C°.
Cause
Thermistor abnormality
Control PWB abnormality
Fusing section connector disconnection.
Check
and
remedy
Use SIM 5-02 to check the heater lamp
blinking operation.
When the lamp blinks normally.
Check the thermistor and its harness.
Check the thermistor input circuit on the control
PWB.
When the lamp keeps ON.
Check the power PWB and the lamp control
circuit on the MCU PWB.
Cancel the trouble with SIM 14.
01
Content
Heat roller high temperature detection (SUB)
Detail
The fusing temperature exceeds 245°C.
Cause
Sub thermistor abnormality
Heater lamp abnormality
Thermostat abnormality
Main PWB abnormality
Check
and
remedy
Use SIM 5-02 to check the heater lamp blinking
operation.
When normally lighting.
Check the sub thermistor and its harness.
Check the sub thermistor input circuit on the
MAIN PWB.
When not normally lighting.
Check the lamp control circuit on the MCU
PWB.
Cancel the trouble with SIM 14.
H4
00
Content
Heat roller low temperature detection
Detail
When the fusing temperature is 150C° or less
in 55 sec from starting warming-up.
When the warm-up complete temperature is
not reached in 30 sec from reaching 150C°.
When the fusing temperature is less than
100C° in 20 sec from the ready state.
When the fusing temperature is less than 80C°
for more than 300ms in the ready state or in
printing.
When the fusing temperature is less than 80C°
for more than 300ms in the standby mode at a
low temperature.
Cause
Thermistor abnormality
Heater lamp abnormality
Thermostat abnormality
Control PWB abnormality
Check
and
remedy
Use SIM 5-02 to check the heater lamp
blinking operation.
When the lamp blinks normally.
Check the thermistor and its harness.
Check the thermistor input circuit on the control
PWB.
When the lamp does not light up.
Check for disconnection of the heater lamp and
the thermostat. Check the interlock switch.
Check the power PWB and the lamp control
circuit on the MCU PWB.
Cancel the trouble with SIM 14.
Main
code
Sub
code
Details of trouble
H5
01
Content
5 continuous POUT not-reached error
Detail
When 5 continuous not-reached jams to the
paper exit sensor (POUT) occur.
The jam counter is backed up and it is used in
a job after turning on the power.
Cause
Jam paper is not removed from the fusing unit.
(Jam paper remains.)
Paper exit sensor breakdown or harness
connection trouble
Fusing unit installation trouble
Check
and
remedy
Check for jam paper remaining in the fusing
unit. (winding, etc.)
Check the POUT sensor harness, and check
installation of the fusing unit.
Use SIM14 to clear the self diag display.
L1
00
Content
Scanner feed trouble
Detail
Though the specified steps of motor pulses are
outputted, the mirror home position sensor
remains ON.
Cause
Mirror unit abnormality
The scanner wire is disconnected.
The origin detection sensor abnormality
Mirror motor harness abnormality
Check
and
remedy
Use SIM 1-1 to check the mirror reciprocating
operations.
When the mirror does not feed.
Check for disconnection of the scanner wire.
Check the harness and the connector between
the mirror motor and the MCU PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror does feed.
Use SIM 1-2 to check the mirror home position
sensor.
L3
00
Content
Scanner return trouble
Detail
Though the specified steps of motor pulses are
outputted, the mirror home position sensor
does not turn ON.
Cause
Mirror unit abnormality
Scanner wire disconnection
Origin detection sensor abnormality
Mirror motor harness abnormality
Check
and
remedy
Use SIM 1-1 to check the mirror reciprocating
operations.
When the mirror does not return.
Check for disconnection of the scanner wire.
Check the harness and the connector between
the mirror motor and the MCU PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror does feed.
Use SIM 1-2 to check the mirror home position
sensor.
Main
code
Sub
code
Details of trouble
