5 Turn the printer off.

Reconnect J/P32.

Disconnect J/P74.

Turn the printer on.

Check J/P8-8 for -12 Vdc.

Is the voltage -12 Vdc?

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

Yes: Continue.

6 Does the printer have an attachment option?

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

Yes: Continue.

7 Turn the printer off.

Reconnect J/P74.

Disconnect the DC cable (J/P73) for the attachment option.

Turn the printer on.

Is the voltage at J/P8-8 -12 Vdc?

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

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

Troubleshooting Analysis Guide (TAGs)

3-91

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Image 143
HP C30 manual Does the printer have an attachment option?, Is the voltage at J/P8-8 -12 Vdc?