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MX-M260/M310/M260N/M310N SELF DIAG AND TROUBLE CODE 7 - 3
E1
81
Content
IMC PWB communication trouble (Parity)
Details
Communication trouble between MCU and
printer IMC (Parity error)
Cause
IMC PWB connector disconnection.
Motherboard connector pin breakage.
IMC PWB ROM defect, data failure.
Check
and
remedy
Check the connectors of the IMC PWB and
MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
82
Content
IMC PWB communication trouble
(Overrun)
Details
Communication trouble between MCU and
IMC PWB (Overrun error)
Cause
IMC PWB connector disconnection.
Motherboard connector pin breakage.
IMC PWB ROM defect, data failure.
Check
and
remedy
Check the connectors of the IMC PWB and
MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
84
Content
IMC PWB communication trouble
(Framing)
Details
Communication trouble between MCU and
IMC PWB (Framing error)
Cause
IMC PWB connector disconnection.
Motherboard connector pin breakage.
IMC PWB ROM defect, data failure.
Check
and
remedy
Check the connectors of the IMC PWB and
MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
88
Content
IMC PWB communication trouble
(Time-out)
Details
Communication trouble between MCU and
IMC PWB (Time-out error)
Cause
IMC PWB connector disconnection.
Motherboard connector pin breakage.
IMC PWB ROM defect, data failure.
Check
and
remedy
Check the connectors of the IMC PWB and
MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
E7
02
Content
LSU trouble
Details
BD signal from LSU is not detected in a
constant cycle (Kept OFF or ON)
Cause
LSU connector or LSU inside harness
trouble or disconnection.
Polygon motor rotation abnormality.
Laser does not illuminate.
MCU PWB failure.
Check
and
remedy
Check for disconnection of the LSU
connector.
Check the LSU operation with SIM 61-1.
Check that the polygon motor rotates
normally.
Check laser LED lighting.
Replace the LSU unit.
Replace the MCU PWB.
Trouble
code
Details of trouble
Main
code
Sub
code
E7
10
Content
CCD black level error
Details
CCD black reference plate scan level
abnormality when the copy lamp turns off.
Cause
Flat cable installation failure to CCD unit.
CCD unit error.
Check
and
remedy
Check flat cable installation to the CCD
unit.
Check CCD unit.
11
Content
CCD white level error
Details
Improper CCD white reference plate
reading level for copy lamp lighting
Cause
Flat cable installation failure to CCD unit.
Dirt on the mirror, lens, and reference
white plate.
Copy lamp lighting trouble.
CCD unit abnormality.
MCU PWB abnormality. (Occurred in the
RSPF scan position)
Check
and
remedy
Clean the mirror, the lens, and the
reference white plate.
Check the copy lamp light quantity and its
operation. (SIM 5-3)
Check CCD unit.
Check MCU PWB.
12
Content
Shading trouble
Details
White correction is not completed in the
specified number of times.
Cause
Flat cable installation failure to CCD unit.
Dirt on the mirror, lens, and reference.
white plate.
Copy lamp lighting trouble.
CCD unit abnormality.
MCU PWB abnormality.
Check
and
remedy
Clean the mirror, the lens, and the
reference white plate.
Check the copy lamp light quantity and its
operation. (SIM 5-3)
Check CCD unit.
Check MCU PWB.
F1
00
Content
Finisher communication trouble
Details
Communication line test error occurs when
power is turned on or after the exit of a
simulation mode.
Error in finisher communication
Cause
Connection trouble or disconnection of the
connector and harness between the body
and the finisher.
Finisher control PWB trouble.
Control PWB failure.
Malfunction by noises.
Check
and
remedy
Canceled by turning OFF/ON the power.
Check the connectors and the harness of
communication line.
Replace the finisher control PWB.
03
Content
Delivery roller lift motor trouble
Details
Paper exit roller lift-up motor operation
abnormality
Cause
Motor lock.
Motor rpm abnormality.
Overcurrent to the motor.
Finisher control PWB trouble.
Check
and
remedy
Use SIM3-3 to check the paddle motor
operation
Trouble
code
Details of trouble
Main
code
Sub
code