HP C30 - Page 133

TAG 097: +12 Vdc Power Shorted or Sensing Problem
June 1999 Troubleshooting Analysis Guide (TAGs) 3-79
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.