4.1.14 Communications related service call

C57 Communications error between Main-CPU and Sorter-CPU

1.Check if a sorter other than specified is attached.

2.Check the LGC board if any conductor pattern around IC88, IC89, IC96 or J123 is open- or short- circuited.

3.Check the IPC board for any open- or short-circuited conductor pattern.

4.Check the harness connected to the connector J2 on the IPC board for any disconnected pin or any open-circuit.

5.Check if the switching power supply fuse F9 is blown out.

6.Check the controller PC board inside the sorter for any open- or short-circuited conductor pattern.

7.Check the connection between the sorter and the copier for any disconnected connector pin or for any open-circuited harness.

8.Replace the IPC board.

9.Replace the LGC board.

January 2000 © TOSHIBA TEC

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FC-22 TROUBLESHOOTING

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Toshiba manual FC-22 Troubleshooting