Toshiba e-studio 151, Service Manual

Page: 108 / 176

e-STUDIO162/162D/151/151D TEST COMMAND, TROUBLE CODES 10 - 39
5. Trouble codes
A. Trouble codes list
B. Details of trouble codes
Main
code Sub
code
Details of trouble
E1 00 IMC communication trouble
10 IMC trouble
13 IMC flash ROM error
16 IMC DIMM memory read/write check error
81 IMC communication interface error (parity)
82 IMC communication interface error (Overrun)
84 IMC communication interface error (Framing)
E7 02 LSU trouble
10 Shading trouble (Black correction)
11 Shading trouble (White correction)
16 Abnormal laser output
F5 02 Copy lamp lighting abnormality
F6 10 FAX board trouble
H2 00 Thermistor open
H3 00 Heat roller high temperature detection
H4 00 Heat roller low temperature detection
L1 00 Feeding is not completed within the specified time after
starting feeding. (The scan head locking switch is locked)
L3 00 Scanner return trouble
L4 01 Main motor lock detection
L6 10 Polygon motor lock detection
U1 03 FAX board battery error
U2 04 EEPROM read/write error (Serial communication error)
11 Counter check sum error (EEPROM)
U9 99 Operation panel language error
Main
code Sub
code
Details of trouble
E1 00 Content IMC communication trouble
Detail
An abnormality occurs in communication
between the CPU and the IMC.
Cause IMC – CPU signal line abnormality
IMC Memory defect/data abnormality
Check
and
remedy Replace the MCU PWB with new one.
10 Content IMC trouble
Detail
An abnormality occurs in the IMC.
Cause USB chip error/CODEC error on the IMC.
Check
and
remedy Replace the MCU PWB with a new one.
13 Content IMC flash ROM error
Detail
An abnormality occurs in the IMC flash ROM.
Cause IMC abnormality
Check
and
remedy Replace the MCU PWB with a new one.
If downloading of the program is abnormally
terminated, it may cause an error. Download
the program again to avoid this.
E1 16 Content IMC DIMM memory read/write check error
Detail
An installation error occurs in the IMC memory
module.
An error occurs during access to the IMC
memory.
Cause Improper installation of the IMC memory
module.
IMC memory module abnormality
IMC memory contact abnormality
IMC abnormality.
Check
and
remedy Check installation of the memory module.
Replace the memory module.
Replace the MCU PWB with a new one.
81 Content IMC communication interface error (parity)
Detail
A parity error occurs in communication between
the CPU and the IMC.
Cause IMC memory defect/data abnormality
Check
and
remedy Check the memory of the IMC.
Replace the MCU PWB with new one.
82 Content IMC communication interface error (Overrun)
Detail
An overrun error occurs in communication
between the CPU and the IMC.
Cause IMC memory defect/data abnormality.
Check
and
remedy Check the memory of the IMC.
Replace the MCU PWB with new one.
84 Content IMC communication interface error (Framing)
Detail
A framing error occurs in communication
between the CPU and the IMC.
Cause IMC memory defect/data abnormality.
Check
and
remedy Check the memory of the IMC.
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 TC 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.
Main
code Sub
code
Details of trouble
10_TESTCOMMAND.fm 39 ページ ２００４年１２月２２日 水曜日 午後２時３７分