Toshiba DP4500 Service Handbook page 127

MJ-1012/1013 (Finisher section)
Is there any paper remaining on the transport path in the finisher or main unit?
YES
NO
Is any of the connectors J17, J24, J9 and J11 on the finisher controller PC board disconnected?
Is the harness connecting the finisher controller PC board and inlet sensor (PI1) open-circuited?
Is the harness connecting the finisher controller PC board and buffer path inlet paper sensor (PI17)
open-circuited?
Is the harness connecting the finisher controller PC board and buffer path paper sensor (PI14) open-
circuited?
Is the harness connecting the finisher controller PC board and stapling tray sensor (PI4) open-circuited?
Is the harness connecting the finisher controller PC board and delivery sensor (PI3) open-circuited?
YES
NO
Is the inlet sensor working properly? (Check the movement of the actuator.)
Is the buffer path inlet paper sensor working properly? (Check the movement of the actuator.)
Is the buffer path paper sensor working properly? (Check the movement of the actuator.)
Is the stapling tray sensor working properly? (Check the movement of the actuator.)
Is the delivery sensor working properly? (Check the movement of the actuator.)
NO
YES
Replace the finisher controller PC board.
DP4500/3500 TROUBLESHOOTING
Remove the paper.
Connect the connectors securely. Replace the harnesses.
1. Connect the connectors of the sensors securely.
2. Attach the actuators securely if their shafts are out of place.
3. Replace the sensors.
5 - 32 December 2000 © TOSHIBA TEC