Toshiba e-STUDIO350 Service Handbook page 447

[EB50] Paper left on the transport path due to multiple feeding
In case the paper is fed from the upper drawer, bypass unit or ADU:
Open the jam access cover. Is there any paper in front of the registration sensor?
| YES Remove the paper.
NO
When the paper is fed from the upper drawer:
Is the upper drawer feed sensor working? (Perform the input check: 03-[FAX]ON/[6]/[E])
| NO 1) Check if the connector of the upper drawer feed sensor is disconnected.
|
2) Check if the connector CN318 on the LGC board is disconnected.
|
3) Check if the connector pins are disconnected or the harnesses are open
|
|
4) Check if the conductor pattern on the LGC board is short circuited or open
|
|
5) Replace the upper drawer feed sensor.
|
6) Replace the LGC board.
|
YES
When the paper is fed from the bypass feed unit:
Is the bypass feed sensor working? (Perform the input check: 03-[FAX]ON/[4]/[F])
| NO 1) Check if the connector of the bypass feed sensor is disconnected.
|
2) Check if the connector CN304 on the LGC board is disconnected.
|
3) Check if the connector pins are disconnected or the harnesses are open
|
|
4) Check if the conductor pattern on the LGC board is short circuited or open
|
|
5) Replace the bypass feed sensor.
|
6) Replace the LGC board.
|
YES
When the paper is fed from the ADU:
Is the ADU exit sensor working? (Perform the input check: 03-[FAX]OFF/[1]/[G])
| NO 1) Check if the connector of the ADU exit sensor is disconnected.
|
2) Check if either of the connectors CN211 or CN213 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 or the harnesses are open
|
|
5) Check if the conductor patterns on the ADU board and LGC board are short
|
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6) Replace the ADU exit sensor.
|
7) Replace the ADU board.
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8) Replace the LGC board.
|
|
YES
Is the registration sensor working?
(Perform the input check in the test mode: 03-[FAX]ON/[2]/[A])
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circuited.
circuited.
circuited.
circuited.
connected.
circuited.
circuited or open circuited.
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e-STUDIO350/352/353/450/452/453
TROUBLESHOOTING
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