4 Run diagnostic test 002.

Is 1-0 displayed?

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

Yes: Continue.

5 Install the upper cassette.

Is a value other than 1-0 displayed?

No: Continue.

Yes: Replace the PCL board, then turn to TAG 002: Check & Problem Resolution.

6 Turn the printer off and unplug the power cord.

Remove the upper cassette.

Loosen the upper paper size sensor assembly for access to the circuit board.

Disconnect J/P46.

Activate the cassette in switch.

Check P46-1 to P46-2 for continuity.

Is there continuity?

No: Replace the upper cassette in switch or wire hardness W58, then turn to TAG 002: Check & Problem Resolution.

Yes: Continue.

7 Reconnect J/P46.

Disconnect J/P40 and J/P45.

Check P40-49 to P45-2 for continuity.

Is there continuity?

No: Go to #10 in this TAG.

Yes: Continue.

8 Check P40-48 to P45-3 for continuity.

Is there continuity?

No: Continue.

Yes: Replace the upper paper size sensor assembly. If this does not resolve the problem, replace the PCL board. Turn to TAG 002: Check & Problem Resolution.

Troubleshooting Analysis Guide (TAGs)

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