© 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved
e-STUDIO350/352/353/450/452/453
TROUBLESHOOTING
5 - 7
5
[E510] ADU stack jam (paper not reaching the ADU entrance sensor)
Open the ADU. Is there any paper in front of the ADU entrance sensor?
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YES
Æ
Remove the paper.
NO
Is the ADU entrance sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[1]/[H])
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NO
Æ
1) Check if the connector of the ADU entrance sensor is disconnected.
2) Check if either of the connectors CN211 or CN214 on the ADU board is dis-
connected.
3) Check if the connector CN304 on the LGC board is disconnected.
4) Check if the connector pins are disconnected and the harnesses are open
circuited.
5) Check if the conductor patterns on the ADU board and LGC board are short
circuited or open circuited.
6) Replace the ADU entrance sensor.
7) Replace the ADU board.
8) Replace the LGC board.
YES
Is the exit motor (rotating in reverse) working?
(Perform the output check in the test mode: 03-121/171)
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NO
Æ
1) Check if the connector of the exit motor is disconnected.
2) Check if the connector CN302 on the LGC board is disconnected.
3) Check if the connector pins are disconnected and the harnesses are open
circuited.
4) Check if the conductor pattern on the LGC board is short circuited or open
circuited.
5) Replace the exit motor.
6) Replace the LGC board.
YES
Is the ADU motor working? (Perform the output check in the test mode: 03-110/160)
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NO
Æ
1) Check if the connector of the ADU motor is disconnected.
2) Check if any of the connectors CN211, CN212 and CN215 on the ADU
board is disconnected.
3) Check if the connector CN304 on the LGC board is disconnected.
4) Check if the connector pins are disconnected and the harnesses are open
circuited.
5) Check if the conductor patterns on the ADU board and LGC board are short
circuited or open circuited.
6) Replace the ADU motor.
7) Replace the ADU board.
8) Replace the LGC board.
YES
Check the rollers in the ADU and the exit roller of the equipment. Replace them if they are
worn out.
04/05