Carriage Home Position Sensor Not Going On Within A Specified Time; Carriage Home Position Sensor Not Coming On Within The Specified Time - Toshiba e-STUDIO206L Service Manual

[C280] Carriage home position sensor not going ON within a specified time (e-STUDIO206L/256/
306/356/456/506)
Classification
Scanning system related service
call
Remove the original glass and move the carriages to the paper feeding side. Turn ON the power and
check the following items.
Check item
1 Carriage lock
2 Carriage home position
sensor
3 SLG board
4 Scan motor
Parts to be replaced
Carriage home position sensor
Carriage home position sensor
harness
SLG board
Scan motor
Scan motor harness
[C280] Carriage home position sensor not coming ON within the specified time (e-STUDIO257/
257P/357/457/507)
Classification
Scanning system related service
call
e-STUDIO206L/256/306/356/456/506 / 207L/257/307/357/457/507
ERROR CODE AND TROUBLESHOOTING
The carriage does not reach to its home position in a specified
period of time.
Check if the carriage locking screw for packaging is attached.
1. Check if the harness is properly connected to the sensor.
2. Check if the harness is caught or open circuited.
1. Check if the harness of the carriage home position sensor is
connected properly.
2. Check if the mounted parts on the SLG board are damaged
or abnormal.
3. Check if 24 V on the SLG board is short-circuited.
4. Check if 24 V is supplied to the SLG board.
1. Check if the belt tension is loosened (if the motor screw is
loosened).
2. Check if the wire and the belt come off.
3. Check if the connector (J007/J125) is connected to the
motor properly.
4. Check if the harness of the motor is caught or open circuited.
Abnormal carriage movement / Abnormal carriage home
position sensor behavior
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