Toshiba e-STUDIO520 Service Handbook page 423

[C280] Carriage home position sensor not turning ON within a specified period of time
Remove the original glass and move the carriages to the paper feeding side. Turn ON the
power and check the following items.
Do the carriages make a big noise after they arrive at the home position?
l YES
l
l
l
l
l
NO
The carriages are stopped at the home position and do not move.
1) Check if the connector pins are disconnected and the harnesses are short circuited or
open circuited.
2) Check if the conductor pattern on the SLG board is short circuited or open circuited.
3) Replace the SLG board.
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The carriage home position sensor is not turned ON.
1) Check if the connector of the sensor is disconnected.
2) Replace the carriage home position sensor.
3) Check if the conductor pattern on the SLG board is short circuited or
open circuited.
4) Replace the SLG board.
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e-STUDIO520/523/600/603/720/723/850/853
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