6 Turn the printer off and unplug the power cord.

Disconnect J/P51 and J/P40.

Check P40-26 to P51-1 for continuity.

Is there continuity?

No: Repair or replace the connectors or wiring from P40-26 to J/P50-4 to P51-1, then turn to TAG 002: Check & Problem Resolution.

Yes: Continue.

7 Check P40-17 to P51-2 for continuity.

Is there continuity?

No: Repair or replace the connectors or wiring from P40-17 to J/P50-5 to P51-2, then turn to TAG 002: Check & Problem Resolution.

Yes: Continue.

8 Check P40-13 to P51-3 for continuity.

Is there continuity?

No: Repair or replace the connectors or wiring from P40-13 to J/P50-6 to P51-3, then turn to TAG 002: Check & Problem Resolution.

Yes: Continue.

9 Verify that the output tray full sensor is mounted properly.

Verify that it moves down fully.

Is the output tray full sensor in good working order?

No: Replace the sensor, then turn to TAG 002: Check & Problem Resolution.

Yes: Replace the PCL board. If this resolves the problem, then turn to TAG 002: Check & Problem Resolution. If this does not resolve the problem, replace wire harness W71 or W52, then turn to TAG 002: Check & Problem Resolution.

Troubleshooting Analysis Guide (TAGs)

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