Toshiba e-STUDIO200L, Service Manual

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e-STUDIO200L/202L/230/232/280/282 TROUBLESHOOTING June 2004 © TOSHIBA TEC
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[E120] Bypass misfeeding
Open the transfer cover. Is there any paper in front of the 1st transport sensor?
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YES Remove the paper.
NO
Is the 1st transport sensor working?
(Perform the input check in the test mode: 03-[FAX]ON/[6]/[E])
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NO 1) Check if the connector of the 1st transport sensor is disconnected.
2) Check if the connector CN305 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 1st transport sensor.
6) Replace the LGC board.
YES
Is the bypass feed clutch working? (Perform the output check in the test mode: 03-204)
Is the bypass paper sensor working? (Perform the input check in the test mode: 03-
[FAX]OFF/[1]/[D])
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NO 1) Check if the connector of the bypass feed clutch and bypass paper
sensor are disconnected.
2) Check if the connector CN304 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 bypass feed clutch and bypass paper sensor.
6) Replace the LGC board.
YES
Check the bypass transport, feed separation and pickup rollers. Replace them if they are
worn out.