Transport Jam (Adu And Other Area) - Toshiba DP4500 Service Handbook

5.1.4 Transport jam (ADU and other area)

[E51] ADU stack jam (paper not reaching the ADU entrance sensor)
Open the ADU. Is there any paper in front of the ADU entrance sensor?
YES
Remove the paper.
NO
Is the ADU entrance sensor working? (Perform the input check in the test mode: 03-[FAX]OFF/[1]/[H])
NO
1. Check if the connector of the ADU entrance sensor is disconnected.
2. Check if either of the connectors CN211 or CN214 on the ADU board is disconnected.
3. Check if the connector J316 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 patterns on the ADU board and LGC board are short- or
6. Replace the ADU entrance sensor.
7. Replace the ADU board.
8. Replace the LGC board.
YES
Is the exit motor (rotating in reverse) working?
(Perform the output check in the test mode: 03-121/171)
NO
1. Check if the connector of the exit motor is disconnected.
2. Check if the connector J315 on the LGC board is disconnected.
3. Check if the connector pins are disconnected and the harnesses are open-
4. Check if the conductor pattern on the LGC board is short- or open-circuited.
5. Replace the exit motor.
6. Replace the LGC board.
YES
December 2000 © TOSHIBA TEC
open-circuited.
circuited.
5 - 23 DP4500/3500 TROUBLESHOOTING