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Troubleshooting Analysis Guide (TAGs) 3-89
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.