Toshiba e-STUDIO520 Service Handbook page 372

[E230] 1st drawer transport jam (paper not reaching 1st drawer transport sensor)
[E240] 2nd drawer transport jam (paper not reaching 2nd drawer transport sensor)
[E250] Option LCF transport jam (paper not reaching Option LCF transport sensor)
[E370] 3rd drawer transport jam (paper not reaching 3rd drawer / Tandem LCF transport sensor)
[E380] 4th drawer transport jam (paper not reaching 4th drawer transport sensor)
[E3F0] Tandem LCF transport jam (paper not reaching 3rd drawer / Tandem LCF transport sen-
sor)
(First page of printing)
Is the intermediate transport sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[1]/[A], OFF/[1]/[C], OFF/[2]/[C],
OFF/[3]/[C], OFF/[4]/[C])
l NO
l
l
l
l
l
l
l
l
l
YES
Is the reversed paper transport clutch working?
(Perform the output check in the test mode: 03-210/225/229/230/231)
l NO
l
l
l
l
l
l
l
l
YES
Check the conditions of the feed roller, separation roller and pickup roller of the drawer in
use, and replace them if necessary
(Second page or later of printing)
Leading edge of paper not reaching the fuser exit sensor.
l YES
l
l
l
l
l
NO
e-STUDIO520/523/600/603/720/723/850/853
TROUBLESHOOTING
Open the jam access cover. Remove the paper and check the follow-
ings.)
1) Check if the connector of the transport sensor is disconnected.
2) Check if the connector 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- or open-
circuited.
5) Replace the LGC board.
1) Check if the connectors of the transport clutches are disconnected.
2) Check if the connector CN328, 329, 350 on the LGC board is discon-
nected.
3) Check if the connector pins are disconnected and the harnesses are
opencircuited.
4) Check if the conductor pattern on the LGC board is short- or open-
circuited.
5) Replace the transport clutches.
6) Replace the LGC board.
Is there any damage on the paper? (Remove the paper and check the
followings.)
1) Check if the paper is skewed, and correct it if it is skewed.
2) Check the paper amount.
3) Check if the paper is not the one with printing on its back side.
4) Check if the width of the side guides of the drawer is too narrow.
5 - 10
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