Toshiba E-STUDIO520, Service Manual, Page: 358 / 592

e-STUDIO520/600/720/850 TROUBLESHOOTING March 2005 © TOSHIBA TEC
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[E150] 3rd drawer misfeeding (paper not reaching 3rd drawer feed sensor)
[E190] Tandem LCF misfeeding (paper not reaching feed sensor of 3rd drawer / Tandem LCF )
Open the feed cover. Is there any paper in front of the 3rd drawer / Tandem LCF feed sen-
sor?
!
YES
"
Remove the paper.
NO
Is the 3rd drawer / Tandem LCF feed sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[3]/[D])
l
l
l
l
l
l
l
l
l
!
NO
"
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 PFP board and LGC board
are short circuited or open circuited.
5) Replace the 3rd drawer / Tandem LCF feed sensor.
6) Replace the LGC board.
YES
Is the width of the side guides of the 3rd drawer too narrow?
Is there any paper skewing?
!
YES
"
Fit the width of the original guide to that of the paper.
NO
Is the 3rd drawer / Tandem LCF feed clutch working?
(Perform the output check in the test mode: 03-226)
l
l
l
l
l
l
l
l
l
l
!
NO
"
1) Check if the connector of the 3rd drawer / Tandem LCF feed clutch 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 PFP board and LGC board
are short circuited or open circuited.
5) Replace the 3rd drawer / Tandem LCF feed clutch.
6) Replace the LGC board.
YES
Check the 3rd drawer / Tandem LCF feed roller, separation roller and pickup roller.
Clean or replace them.
*
Check if the paper weight is within the specified range.