3 Turn the printer off.

Disconnect J/P330.

Turn the printer on.

Check J/P8-6 for +12 Vdc.

No: Is the voltage +12 Vdc?

No: Continue.

Yes: Go to #35 in this TAG.

4 Turn the printer off.

Disconnect J/P32.

Turn the printer on.

Check J/P8-6 for +12 Vdc.

Is the voltage +12 Vdc?

No: Go to #8 in this TAG.

Yes: Continue.

5 Turn the printer off.

Reconnect J/P32.

Disconnect J/P74.

Turn the printer on.

Check J/P8-6 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.

Check J/P8-6 for +12 Vdc.

Is the voltage +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.

3-80

Troubleshooting Analysis Guide (TAGs)