Toshiba e-studio600 Service Manual page 345

[E512] Transport jam during duplex printing (paper not reaching horizontal transport sensor-2)
Is there any paper at the reverse section when the exit cover is opened?
YES Æ
È
NO
Is the Horizontal transport sensor-2 working?
(Perform the input check in the test mode: 03-[FAX]OFF/[9]/[G])
NO Æ
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YES
Is the transport roller 3/4 at the horizontal transport section rotating?
(Perform the output check in the test mode: 03-110/221)
NO Æ
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YES
Check the condition of the rollers at the horizontal transport section and clean or replace
them.
March 2005 © TOSHIBA TEC
Remove the paper.
1) Check if the connector of the Horizontal transport sensor-2 is not dis-
connected.
2) Check if the connector CN334 on the LGC board is not discon-
nected.
3) Check if the connector pins are not disconnected and the harness is
not open circuited.
4) Check if the conductor pattern on the LGC board is not short- or
open-circuited.
5) Replace the Horizontal transport sensor-2.
6) Replace the LGC board.
1) Check if the connectors of the horizontal transport section driving
clutch-1 and horizontal transport section driving clutch-3 are not dis-
connected.
2) Check if the connectors of the horizontal transport section driving
clutch-1 and horizontal transport section driving clutch-3 are not mis-
connected (drive clutch: black-black, transport clutch 2: blackblue)
3) Check if the connector CN334 on the LGC board is not discon-
nected.
4) Check if the connector pins are not disconnected and the harness is
not open circuited.
5) Check if the conductor pattern on the LGC board is not short- or
open-circuited.
6) Replace the and horizontal transport section driving clutch-1 and and
horizontal transport section driving clutch-2.
7) Replace the LGC board.
8) Check if the front side timing belt is put on properly.
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e-STUDIO520/600/720/850 TROUBLESHOOTING
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