5 Install the lower 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 lower cassette.

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

•Disconnect J/P48.

•Activate the cassette in switch.

•Check P48-1 to P48-2 for continuity.

Is there continuity?

No: Replace the lower cassette in switch or wire harness W59, then turn to TAG 002: Check & Problem Resolution.

Yes: Continue.

7 Reconnect J/P48.

•Disconnect J/P43 and J/P40.

•Check P40-50 to P43-10 for continuity.

Is there continuity?

No: Repair or replace the connectors or wiring from P43-10 to J52-1 or P40-50 to P52-1. Then turn to TAG 002: Check & Problem Resolution.

Yes: Continue.

8 Check P43-8 to P40-48 for continuity.

Is there continuity?

No: Repair or replace the connectors or wiring from P43-8 to J52-3 or P40-48 to P52-3. Then turn to TAG 002: Check & Problem Resolution.

Yes: Replace the lower paper size sensor assembly. If this does not resolve the problem,

replace the PCL board. Then turn to TAG 002: Check & Problem Resolution.

Troubleshooting Analysis Guide (TAGs)

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