Sharp MX-M260 Service Manual page 85

Trouble
code
Main Sub
code code
L1 00 Content Scanner feed trouble
Details Scanner feed is not completed within the
specified time.
Cause Mirror unit defect.
Scanner wire disconnection.
Origin detection sensor error.
Mirror motor harness abnormality.
Check Check the scanning operation with SIM 1-
and 1.
remedy
When the mirror not feeds:
Check for disconnection of the scanner
wire.
Check the harness and connector between
the mirror motor and the MCU PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror feeds:
Check the mirror home position sensor
with SiM 1-2.
L3 00 Content Scanner return trouble
Details Scanner return is not completed within the
specified time.
When OC copying with the mirror at the
home position, the mirror is not in the
home position.
Cause Mirror unit defect.
The scanner wire is disconnected.
Origin detection sensor error.
Mirror motor harness abnormality.
Check Check the scanning operation with SIM 1-
and 1.
remedy
When the mirror fails to return:
Check for disconnection of the scanner
wire.
Check the harness and connector between
the mirror motor and the MCU PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror feeds:
Check the mirror home position sensor
with SiM 1-2.
L4 01 Content Main motor trouble
Details The main motor does not rotate.
The motor lock signal is detected for 1sec
or more after the main motor rotates.
The motor lock signal is detected for 1sec
during rotation of the main motor.
Cause Main motor defect.
Main motor connection, harness trouble or
disconnection.
MCU PWB failure.
Check Check the main motor operation with SIM
and 25-1.
remedy
Check connection of the main motor
harness and connector.
Replace the main motor.
Replace the MCU PWB.
Details of trouble
MX-M260/M310/M260N/M310N SELF DIAG AND TROUBLE CODE 7 - 9
Trouble
code
Main Sub
code code
L4 11 Content Shifter motor trouble
Details The shifter home position detection signal
is not detected when the shifter is
operating.
Cause Shifter motor trouble or harnes connection
trouble and disconnection.
Shifter home position sensor trouble.
Check Check the shifter motor operation with SIM
and 3-11.
remedy
Check connection of the shifter motor
harness/connector.
Replace the shifter motor.
Replace the MCU PWB.
31 Content Fusing fan lock trouble
Details Fusing fan does not rotate.
The fusing fan lock signal is detected for
1sec or more.
Cause Fusing fan connection trouble, harness
disconnection.
MCU PWB failure.
Check Check connection of the fusing fan.
and
Replace the fusing fan.
remedy
Replace the MCU PWB.
32 Content Power fan lock trouble
Details Exhaust/intake fan motor does not rotate.
The fan lock signal is detected for 1sec or
more.
Cause Fan connection trouble, harness
disconnection.
MCU PWB failure.
Check Check connection of the exhaust/intake
and fan.
remedy
Replace the exhaust/intake fan.
Replace the MCU PWB.
33 Content Paper exit fan lock trouble
Details Paper exit fan does not rotate.
The paper exit fan lock signal is detected
for 1sec or more.
Cause Paper exit fan connection trouble, harness
disconnection.
MCU PWB failure.
Check Check connection of the paper exit fan.
and
Replace the paper exit fan.
remedy
Replace the MCU PWB.
L6 10 Content Polygon motor lock trouble
Details The polygon motor does not rotate.
The motor lock signal is detected for 6sec
or more after the polygon motor rotates.
The motor lock signal is detected for 1sec
during rotation of the polygon motor.
Cause Polygon motor unit failure
Polygon motor connection, harness trouble
or disconnection
MCU PWB failure
Check Check the polygon motor operation with
and SIM 61-1.
remedy
Check the connectors and the harness of
polygon motor
Replace the polygon motor.
Replace the MCU PWB.
Details of trouble