Toshiba E-STUDIO520, Руководство по обслуживанию, Страница: 335 / 592

March 2005 © TOSHIBA TEC e-STUDIO520/600/720/850 TROUBLESHOOTING
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[E220] 2nd drawer transport jam (paper not reaching 1st drawer transport sensor)
[E310] 3rd drawer transport jam (paper not reaching 1st drawer transport sensor)
[E340] 4th drawer transport jam (paper not reaching 1st transport sensor)
[E3D0] Tandem LCF transport jam (paper not reaching 1st drawer transport sensor)
(First page of printing)
Open the jam access cover. Is there paper in front of the 1st drawer transport sensor?
!
YES
"
Remove the paper.
NO
Is the 1st drawer transport sensor (S33) working?
(Perform the input check in the test mode: 03-[FAX]OFF/[1]/[C])
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l
l
l
l
l
l
l
l
!
NO
"
1) Check if the connector of the 1st drawer transport sensor is discon-
nected.
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 drawer transport sensor.
6) Replace the LGC board.
YES
Are the transport clutches (CLT5,7,9,11) working?
(Perform the output check in the test mode: 03-210/225/229/230/231)
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l
l
l
l
l
l
l
l
!
NO
"
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
open circuited.
4) Check if the conductor pattern on the LGC board is short circuited or
open circuited.
5) Replace the transport clutches.
6) Replace the LGC board.
YES
1) Check the condition of the feed roller, separation roller and pickup roller of each paper
source, and clean or replace them.
2) Check the transport roller. Clean or replace it.
(Second page or later of printing)
Open the jam access cover. Is there any paper on the transport path?
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l
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l
!
YES
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If the paper is damaged, 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) Check the motor-related adjustment value.
NO
Check if the spring of the follower roller of the intermediate transport roller is working prop-
erly.