Toshiba E-STUDIO520, Service Manual, Page: 359 / 592

March 2005 © TOSHIBA TEC e-STUDIO520/600/720/850 TROUBLESHOOTING
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[E160] 4th drawer misfeeding (paper not reaching 4th drawer feed sensor)
Open the feed cover. Is there any paper in front of the 4th drawer feed sensor?
!
YES
"
Remove the paper.
NO
Is the 4th drawer feed sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[4]/[D])
l
l
l
l
l
l
l
l
!
NO
"
1) Check if the connector of the 4th drawer feed sensor is disconnected.
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 feed sensor.
6) Replace the LGC board.
YES
Is the width of the side guides of the 4th drawer too narrow?
Is there any paper skewing?
!
YES
"
Fit the width of the original guide to that of the paper.
NO
Is the 4th drawer feed clutch working?
(Perform the output check in the test mode: 03-228)
l
l
l
l
l
l
l
l
!
NO
"
1) Check if the connector of the 4th drawer feed clutch is disconnected.
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 feed clutch.
6) Replace the LGC board.
YES
Check the 4th drawer feed roller, separation roller and pickup roller.
Clean or replace them.
*
Check if the paper weight is within the specified range.