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AR-M550/M620/M700 SELF DIAG MESSAGE AND TROUBLESHOOTING 9 - 23
Main
code
Sub
code
Title
CRUM error
F2
05
Phenomenon
Display
Lamp
Message
Details
Communication with the
IC chip cannot be made.
Data write failure to the
CRUM or data read
failure from the CRUM
occurs 3 times
continuously except for
toner cartridge installation
detection.
Section
Engine
Operation
mode
Note
Case 1
Trouble
position/
Cause
IC chip trouble
Improper cartridge
Remedy
Insert a proper cartridge.
Note
Main
code
Sub
code
Title
Process control trouble
(Photoconductor surface reflection
rate abnormality)
F2
31
Phenomenon
Display
Lamp
Message
Details
Process control trouble
(Photoconductor surface
reflection rate abnormality)
Before starting process
control, the drum surface is
read by the image density
sensor to make the sensor
gain adjustment so that the
output is fixed to a certain
level. Though the sensor
gain is changed, the output
is not fixed to a certain
level.
Section
Engine
Operation
mode
Note
Case 1
Trouble
position/
Cause
Image density sensor
trouble
Remedy
Use SIM 44-02 to perform
the process control
sensor gain adjustment.
Note
Case 2
Trouble
position/
Cause
Improper connection of
the harness between the
PCU PWB and the image
density sensor
Remedy
If “Error” is displayed, it
may be considered as a
breakdown. Check the
sensor and the harness.
Note
Case 3
Trouble
position/
Cause
The image density sensor
is dirty.
OPC drum cleaning
trouble
Remedy
If the adjustment is
completed, check the
drum surface conditions.
Note
Main
code
Sub
code
Title
Process control trouble (Drum
marking scan trouble)
F2
32
Phenomenon
Display
Lamp
Message
Details
Process control trouble
(Drum marking scan
trouble)
The drum marking size,
density, or the number of
units is improper.
Section
Engine
Operation
mode
Note
Case 1
Trouble
position/
Cause
Drum marking sensor
trouble
Remedy
Use SIM 44-02 to perform
the process control
sensor gain adjustment.
Note
Case 2
Trouble
position/
Cause
Improper connection of
the harness between the
PCU PWB and the drum
marking sensor
Remedy
If “Error” is displayed, it
may be considered as a
breakdown. Check the
sensor and the harness.
Note
Case 3
Trouble
position/
Cause
The drum marking sensor
is dirty.
OPC drum cleaning
trouble
Remedy
If the adjustment is
completed, check the
drum surface conditions.
Note
Main
code
Sub
code
Title
Drum marking sensor gain
adjustment error
F2
37
Phenomenon
Display
Lamp
Message
Details
Drum marking sensor
gain adjustment error
Before starting process
control, the drum marking
area surface is read by
the sensor to make the
sensor gain adjustment
so that the output is fixed
to a certain level. Though
the sensor gain is
changed, the output is not
fixed to a certain level.
Section
Engine
Operation
mode
Note
Case 1
Trouble
position/
Cause
Drum marking sensor
trouble
Remedy
Use SIM 44-02 to perform
the process control
sensor gain adjustment.
Note
Содержание AR-M550N
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