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