Toshiba DP4500 Service Handbook page 131

Is the joint sensor working properly?
NO
YES
Is the door of the finisher closed?
NO
YES
Is the connector J12 on the finisher controller PC board disconnected?
Is the harness connecting the finisher controller PC board and door opening sensor (PI16) open-circuited?
YES
NO
Is the door opening sensor working properly?
NO
YES
Is the connector J5 on the finisher controller PC board disconnected?
Is the harness connecting the finisher controller PC board and door switch (MS1) open-circuited?
YES
NO
Is the door switch working properly?
NO
YES
DP4500/3500 TROUBLESHOOTING
1. Connect the connector of the joint sensor securely.
2. Replace the joint sensor.
Close the door.
Connect the connector securely. Replace the harness.
1. Connect the connector of the door opening sensor securely.
2. Replace the door opening sensor.
Connect the connector securely. Replace the harness.
1. Connect the connector of the door switch securely.
2. Replace the door switch.
5 - 36 December 2000 © TOSHIBA TEC