Toshiba e-STUDIO 2555C Service Manual page 685

Parts to be replaced
Lens unit
SYS board
Exposure lamp
Power supply harness
[C270] Carriage home position sensor not going OFF within a specified time
Classification
Scanning system related service
call
Procedure Check item
1 Carriage locking
2 Carriage home position
sensor
3 SYS board
4 Scan motor
Parts to be replaced
Carriage home position sensor
Carriage home position sensor
harness
SYS board
Scan motor
Scan motor harness
[C280] Carriage home position sensor not going ON within a specified time
Classification
Scanning system related
service call
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Carriage home position sensor not going OFF within a specified
time
Check if the carriage locking screw for packaging is
attached.
1. Check if the harness of the carriage home position
sensor is connected properly.
2. Check if the harness is caught or open circuited.
1. Check if the connector of the SYS board (CN121,
CN125, CN127) is connected properly.
2. Check if the mounted parts on the SYS board are
damaged or abnormal.
3. Check if 24 V (CN127) on the SYS board is short
circuited.
4. Check if 24 V is supplied to the SYS board (CN127).
1. Check if the belt tension is loosened.
2. Check if the motor fixing screw is loosened.
3. Check if the carriage wire and the timing belt come off.
4. Check if the connector (J007/J125) is connected to
the motor properly.
5. Check if the harness of the motor is caught or open
circuited.
Carriage home position sensor not going ON within a specified time
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Remark
Error content
Measures
Remark
Error content
e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
8