HP C30 - Page 144

TAG 098: -12 Vdc Power Shorted
3-90 Troubleshooting Analysis Guide (TAGs) June 1999
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.