Toshiba E-STUDIO520, Service Manual, Page: 343 / 592

March 2005 © TOSHIBA TEC e-STUDIO520/600/720/850 TROUBLESHOOTING
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[E510] Transport jam during duplex printing (paper not reaching reverse sensor-2)
Open the exit cover. Is there any paper in front of the reverse sensor-2?
!
YES
"
Remove the paper.
NO
Is the reverse sensor-1 working?
(Perform the input check in the test mode: 03-[FAX]OFF/[1]/[G])
l
l
l
l
l
l
l
l
!
NO
"
1) Check if the connector of the reverse sensor-1 is disconnected.
2) Check if the connector CN335 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 LGC board are short circuited or
open circuited.
5) Replace the reverse sensor-1.
6) Replace the LGC board.
YES
Is the horizontal transport section driving clutch working?
(Perform the output check in the test mode: 03-222)
l
l
l
l
l
l
l
l
l
!
NO
"
1) Check if the connector of the horizontal transport section driving
clutch is disconnected.
2) Check if the connector CN334 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 horizontal transport section driving clutch.
6) Replace the LGC board.
YES
Is the Mylar at the reverse section normal?
!
NO
"
Replace the Mylar.
YES
Check the condition of the roller at the horizontal transport section and clean or replace it.