Toshiba e-STUDIO350 Service Handbook page 443

[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?
| YES Remove the paper.
NO
Is the ADU entrance sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[1]/[H])
| NO 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-
|
|
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
|
|
5) Check if the conductor patterns on the ADU board and LGC board are short
|
|
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)
| NO 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
|
|
4) Check if the conductor pattern on the LGC board is short circuited or open
|
|
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)
| NO 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
|
|
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
|
|
5) Check if the conductor patterns on the ADU board and LGC board are short
|
|
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.
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connected.
circuited.
circuited or open circuited.
circuited.
circuited.
board is disconnected.
circuited.
circuited or open circuited.
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TROUBLESHOOTING
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