Toshiba DP4500 Service Handbook page 134

MJ-1012/1013 (Finisher section)
Is there any paper remaining on the transport path in the finisher or main unit, or on the stapling tray?
YES
Remove the paper.
NO
Is the jam cleared by taking off the staple cartridge from the finisher and removing the staple sheet
sliding it from the staple case?
YES
End
NO
Is the connector J8 on the finisher controller PC board disconnected?
Is the harness connecting the finisher controller PC board and staple home position sensor
(PI22) open-circuited?
YES
Connect the connector securely. Replace the harness.
NO
Is the staple home position sensor working properly?
NO
1. Connect the connector of the staple home position sensor securely.
2. Replace the staple home position sensor.
YES
Replace the finisher controller PC board.
December 2000 © TOSHIBA TEC 5 - 39 DP4500/3500 TROUBLESHOOTING