Toshiba e-STUDIO650 Service Handbook page 139

[E3F] Paper fed from the tandem LCF not reading the tandem LCF transport sensor
Open the feed cover. Is there paper in front of the tandem LCF transport sensor?
YES
Remove the paper.
NO
Is the tandem LCF transport sensor working?
(Perform the input check in the test mode: 03-[ENERGY SAVER]OFF/[4]/[B])
NO
1. Check if the connector of the tandem LCF transport sensor is disconnected.
2. Check if the connector J328, 350 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- or open-circuited.
5. Replace the tandem LCF transport sensor.
6. Replace the LGC board.
YES
Are the transport clutches working? (Perform the output check in the test mode: 03-225)
NO
1. Check if the connectors of the transport clutches are disconnected.
2. Check if the connector J328, 350 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- or open-circuited.
5. Replace the transport clutches.
6. Replace the LGC board.
YES
Check the transport roller. Replace it if it is worn out.
JUNE 2002 © TOSHIBA TEC 5 - 11 e-STUDIO550/650/810 TROUBLE SHOOTING