Toshiba e-STUDIO520 Service Handbook page 376

[E360] 4th drawer transport jam (paper not reaching 3rd drawer / Tandem LCF transport sensor)
Open the feed cover. Is there any paper in front of the 3rd drawer / Tandem LCF feed sen-
sor?
l YES
l
l
l
NO
Is the 3rd drawer / Tandem LCF feed sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[2]/[D])
l NO
l
l
l
l
l
l
l
l
YES
Is the 4th drawer transport clutch working?
(Perform the output check in the test mode: 03-225)
l NO
l
l
l
l
l
l
l
l
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 PFP transport roller. Clean or replace it.
e-STUDIO520/523/600/603/720/723/850/853
TROUBLESHOOTING
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.
1) Check if the connector of the 3rd drawer / Tandem LCF feed sensor
is disconnected.
2) Check if the connector CN328 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 patterns on the LGC board is short circuited or
open circuited.
5) Replace the 3rd drawer / Tandem LCF drawer feed sensor.
6) Replace the LGC board.
1) Check if the connector of the 4th drawer transport clutch is discon-
nected.
2) Check if the connector CN350 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 patterns on the PFP board and LGC board
are short circuited or open circuited.
5) Replace the 4th drawer transport clutch.
6) Replace the LGC board.
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