Toshiba E-STUDIO520, Service Manual, Page: 329 / 592

March 2005 © TOSHIBA TEC e-STUDIO520/600/720/850 TROUBLESHOOTING
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5. TROUBLESHOOTING
When any of the PC boards or the HDD requires replacement, refer to P.5-150 "5.3 Replacement of
PC Boards and HDD".
5.1 Diagnosis and Prescription for Each Error Code
5.1.1 Paper transport jam
[E010] Paper not reaching fuser transport sensor
Open the jam access cover. Is there any paper on the transport path or in the fuser unit?
!
YES
"
Remove the paper.
NO
Is the fuser transport sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[7]/[C])
l
l
l
l
l
l
l
l
!
NO
"
1) Check if the connector of the fuser transport sensor is disconnected.
2) Check if the connector CN332 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 fuser transport sensor.
6) Replace the LGC board.
YES
Is the transfer belt working?
l
l
l
l
l
l
l
l
l
l
l
!
NO
"
1) Check if the connector of the transport belt is disconnected.
2) Check if the connector on the transport motor driving PC board is dis-
connected.
3) Check if the connector CN341 on the LGC board is disconnected.
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 transport motor driving PC board.
7) Replace the LGC board.
YES
Is the drum separation finger solenoid working?
(Perform the output check in the test mode: 03-111,161)