Toshiba e-STUDIO200L, Service Manual

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June 2004 © TOSHIBA TEC e-STUDIO200L/202L/230/232/280/282 TROUBLESHOOTING
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[E520] 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 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 1) Check if the connector of the ADU entrance sensor is disconnected.
2) Check if either of the connectors CN562 or CN214 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 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 1) Check if the connector of the exit motor is disconnected.
2) Check if the connector CN306 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 1) Check if the connector of the ADU motor is disconnected.
2) Check if any of the connectors CN562, CN563 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.