HP C30D Uživatelský manuál stáhnout pdf (Strana 193)

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Troubleshooting Analysis Guide (TAGs) 3-141

Run test prints.

• Check TP4-25 for a voltage change from +24 Vdc to 0 Vdc while running the prints.

Does the voltage change from +24 Vdc to 0 Vdc?

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

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

Turn the printer off and unplug the power cord.

• Disconnect J/P41 and J/P82.

• Check P41-26 to J82-1 for continuity.

Is there continuity?

No: Repair or replace the connectors or wiring from P41-26 to J/P81-1 to J82-1, then turn to

TAG 002: Check & Problem Resolution.

Yes: Continue.

Check P41-25 to J82-2 for continuity.

Is there continuity?

No: Repair or replace the connectors or wiring from P41-25 to J/P81-2 to J82-2, then turn to

TAG 002: Check & Problem Resolution.

Yes: Replace the counter. If this resolves the problem, turn to TAG 002: Check & Problem

Resolution. If this does not resolve the problem, replace the PCL board, then turn to TAG

002: Check & Problem Resolution.

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