Toshiba DP4500 Service Handbook page 104

[EB6] Paper left on the transport path due to multiple feeding
Open the jam access cover. Is there any paper in front of the registration sensor?
YES
Remove the paper.
NO
Is the registration sensor working? (Perform the input check in the test mode: 03-[FAX]ON/[2]/[A])
NO
1. Check if the connector of the registration sensor is disconnected.
2. Check if the connector J313 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 registration sensor.
6. Replace the LGC board.
YES
Check the rollers. Replace them if they are worn out.
December 2000 © TOSHIBA TEC 5 - 9 DP4500/3500 TROUBLESHOOTING