Trouble Codes - Toshiba e-Studio 162 Service Manual

5. Trouble codes

A. Trouble codes list
Main Sub
code code
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
B. Details of trouble codes
Main Sub
code code
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 Replace the MCU PWB with new one.
and
remedy
10 Content IMC trouble
Detail An abnormality occurs in the IMC.
Cause USB chip error/CODEC error on the IMC.
Check Replace the MCU PWB with a new one.
and
remedy
13 Content IMC flash ROM error
Detail An abnormality occurs in the IMC flash ROM.
Cause IMC abnormality
Check Replace the MCU PWB with a new one.
and If downloading of the program is abnormally
remedy terminated, it may cause an error. Download
the program again to avoid this.
Details of trouble
Details of trouble
e-STUDIO162/162D/151/151D TEST COMMAND, TROUBLE CODES 10 - 39
Main Sub
code code
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 Check installation of the memory module.
and Replace the memory module.
remedy 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 Check the memory of the IMC.
and Replace the MCU PWB with new one.
remedy
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 Check the memory of the IMC.
and Replace the MCU PWB with new one.
remedy
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 Check the memory of the IMC.
and
remedy
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 Check connection of the LSU connector.
and Execute TC 61-03 to check the LSU operations.
remedy 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 Check connection of the CCD unit flat cable.
and Check the CCD unit.
remedy
Details of trouble