47 Turn off the printer and unplug the power cord.

•Disconnect J/P309.

•Check for continuity to ground: P309-4 to P319-1, and P309-3 to P318-1

Is there continuity at either?

No: Replace duplex control board #1, then turn to TAG 002: Check & Problem Resolution.

Yes: Repair or replace the connectors or wiring from: P309-4 to P319-1, or

P309-3 to P318-1;

then turn to TAG 002: Check & Problem Resolution.

Troubleshooting Analysis Guide (TAGs)

3-89