Paper Jam In Finisher - Toshiba DP4500 Service Handbook

5.1.6 Paper jam in finisher

[E91] Leading edge of paper not reaching the relay unit transport sensor-1
[E92] Trailing edge of paper not passing the relay unit transport sensor-1
[E93] Leading edge of paper not reaching the relay unit transport sensor-2
[E94] Trailing edge of paper not passing the relay unit transport sensor-2
Is there any paper remaining inside the relay unit?
YES
NO
Are the relay unit transport sensors-1 and -2 working? (Perform the input check in the test mode:
03-[FAX] ON/[4][H], [3][E])
NO
YES
Is the relay unit gate solenoid working? (Perform the output check in the test mode: 03-232)
NO
YES
Does the transport roller of the relay unit work when the main motor is rotated? (Perform the output
check in the test mode: 03-101/151)
NO
YES
Check if the rollers in the relay unit are worn out.
DP4500/3500 TROUBLESHOOTING
Remove the paper.
1. Check if the connectors of the relay unit transport sensors-1 and -2 are
disconnected.
2. Check if the connector J573 of the relay unit is disconnected.
3. Check if the connector J315 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- or open-circuited.
6. Replace the relay unit transport sensors.
7. Replace the LGC board.
1. Check if the connector J573 of the relay unit 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-circuited.
4. Replace the relay unit gate solenoid.
5. Replace the LGC board.
Check the drive system of the main unit and relay unit.
5 - 28 December 2000 © TOSHIBA TEC