Toshiba E-STUDIO520, Service Manual, Page: 384 / 592

e-STUDIO520/600/720/850 TROUBLESHOOTING March 2005 © TOSHIBA TEC
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5.1.6 Paper feeding system related service call
[C130] 1st drawer tray abnormality
[C140] 2nd drawer tray abnormality
[C150] 3rd drawer tray abnormality
[C160] 4th drawer tray abnormality
Does the tray go up?
(Perform the output check in the test mode: 03-276,278,279,280)
l
l
l
l
l
l
l
!
NO
"
1) Check if the connector of the tray-up motor is disconnected.
2) Check if the connector CN331 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 LGC board.
YES
Is the tray-up sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[1]/[E], /[2]/[E], /[3]/[E] ,/[4]/[E])
l
l
l
l
l
l
l
l
l
l
!
NO
"
1) Check if the connector of the sensor is disconnected.
2) Check if the connector CN329, CN328, CN350 on the LGC board is
disconnected.
3) Check if the slit reaches the sensor.
4) Check if the connector pins are disconnected and the harnesses are
open circuited.
5) Check if the conductor pattern on the LGC board is short circuited or
open circuited.
6) Replace the LGC board.
YES
1) Check if the positioning pin of the drawer is tightly screwed.
2) Check if the paper is not caught in the coupling when the tray goes up.
3) Check if the conductor pattern on the LGC board is short circuited or open circuited.
4) Replace the LGC board.