9-1
e-STUDIO161 TROUBLE CODE LIST
[9]TROUBLE CODE LIST
1.Trouble code list
2.Details of trouble codes
Main code Sub
code
Content
E7 02 LSU trouble
10 Shading trouble (Black correction)
11 Shading trouble (White correction)
12 Shading trouble
16 Abnormal laser output
F5 02 Copy lamp lighting abnormality
H2 00 Thermistor open
H3 00 Heat roller high temperature detection
H4 00 Heat roller low temperature detection
L1 00 Scanner feed trouble
L3 00 Scanner return trouble
L4 01 Main motor lock detection
11 Shifter motor trouble
L6 10 Polygon motor lock detection
L8 01 No full wave signal
U2 04 EEPROM read/write error (serial communication
error)
11 Counter check sum error (EEPROM)
12 Adjustment value check sum error (EEPROM)
-- Auditor NOT READY
CH ON None Side door open
CH Blink None Developing cartridge not installed
Main
code
Sub
code
Details of trouble
E7 02 Content LSU trouble
Detail The BD signal from the LSU cannot be
detected in a certain cycle. (Always OFF or
always ON)
Cause LSU connector or LSU harness defect or
disconnection
Polygon motor rotation abnormality
Laser beams are not generated.
MCU PWB abnormality.
Check
and
remedy
Check connection of the LSU connector.
Execute SIM 61-03 to check the LSU
operations.
Check that the polygon motor rotates normally.
Check that the laser emitting diode generates
laser beams.
Replace the LSU unit.
Replace the MCU PWB.
10 Content Shading trouble (Black correction)
Detail The CCD black scan level is abnormal when
the shading.
Cause Improper connection of the CCD unit flat cable
CCD unit abnormality
MCU PWB abnormality.
Check
and
remedy
Check connection of the CCD unit flat cable.
Check the CCD unit."
11 Content Shading trouble (White correction)
Detail The CCD white scan level is abnormal when
the shading.
Cause Improper connection of the CCD unit flat cable
Dirt on the mirror, the lens, and the reference
white plate
Copy lamp lighting abnormality
CCD unit abnormality
MCU PWB abnormality
(When occurred in the ADF scan position.)
Improper installation of the mirror unit
Check
and
remedy
Clean the mirror, lens, and the reference white
plate.
Check the light quantity and lighting status of
the copy lamp (SIM 05-03).
Check the MCU PWB.
12 Content Shading trouble
Detail White correction is not completed in the
specified number of operations.
Cause CCD unit flat cable connection failure.
Dirt on mirrors, lenses, and the reference white
plate.
Copy lamp lighting abnormality
CCD unit abnormality
MCU PWB abnormality
Check
and
remedy
Clean mirrors, lenses, and the reference white
plate.
Check the copy lamp light quantity (SIM 05-03)
and lighting.
Check the CCD unit.
Check the MCU PWB.
16 Content Abnormal laser output
Detail When the laser output is stopped, HSYNC is
detected.
Cause Laser abnormality
MCU PWB abnormality.
Check
and
remedy
Check the laser emitting diode operation.
Replace the MCU PWB. "
[09]TROUBLECODE.fm 1 ページ ２００４年１月９日 金曜日 午後１時２０分
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