HP C30D Manual do Utilizador descarregar pdf (Página 248)

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3-196 Troubleshooting Analysis Guide (TAGs)

Run diagnostic test 017.

Did diagnostic test 017 indicate a duplex tray paper sensor problem?

No: Continue.

Yes: Go to #13 in this TAG.

Turn the printer off.

• Disconnect J/P312 and J/P321.

• Check P312-7 to J321-1 for continuity.

Is there continuity?

No: Repair or replace the wiring or connectors from P312-7 to J321-1, then turn to TAG 002:

Check & Problem Resolution.

Yes: Continue.

Check P312-8 to J321-2 for continuity.

Is there continuity?

No: Repair or replace the wiring or connectors from P312-8 to J321-2, then turn to TAG 002:

Check & Problem Resolution.

Yes: Continue.

Check P312-9 to J321-3 for continuity.

Is there continuity?

No: Repair or replace the wiring or connectors from P312-9 to J321-3, then turn to TAG 002:

Check & Problem Resolution.

Yes: Continue.

Check P312-10 to J321-4 for continuity.

Is there continuity?

No: Repair or replace the wiring or connectors from P312-10 to J321-4, then turn to TAG

002: Check & Problem Resolution.

Yes: Replace duplex control board #2. If this resolves the problem, turn to TAG 002: Check &

Problem Resolution. If this does not resolve the problem, replace the registration motor,

then turn to TAG 002: Check & Problem Resolution.

Check J/P312-4 for +12 Vdc.

Is the voltage +12 Vdc?

No: Replace duplex control board #2, then turn to TAG 002: Check & Problem Resolution.

Yes: Continue.

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