HP (Hewlett-Packard) C30 Printer User Manual


 
Troubleshooting Analysis Guide (TAGs) 3-199
5
Turn the printer off.
Reconnect J/P309.
Disconnect J/P319.
Turn the printer on.
Check J319-1 for +12 Vdc.
Is the voltage +12 Vdc?
No: Repair or replace the wiring or connectors from P309-4 to J319-1, then turn to TAG 002:
Check & Problem Resolution.
Yes: Continue.
6
Check J319-2 for +12 Vdc.
Is the voltage +12 Vdc?
No: Repair or replace the wiring or connectors from P309-2 to J319-2, then turn to TAG 002:
Check & Problem Resolution.
Yes: Replace the paper pass sensor, then turn to TAG 002: Check & Problem Resolution.
7
Turn the printer on.
Run diagnostic test 018.
Is the “A” roller clutch in good working order?
No: Continue.
Yes: Go to #10 in this TAG.
8
Turn the printer off.
Disconnect J/P308.
Turn the printer on.
Check J308-3 on the duplex control board #1 for +24 Vdc.
Is the voltage +24 Vdc?
No: Replace duplex control board #1, then turn to TAG 002: Check & Problem Resolution.
Yes: Continue.
9
Turn the printer off.
Reconnect J/P308.
Disconnect J/P316.
Turn the printer on.
Check P316-1 for +24 Vdc.
Is the voltage +24 Vdc?
No: Repair or replace the wiring or connectors from P308-3 to J316-1, then turn to TAG 002:
Check & Problem Resolution.
Yes: Replace the “A” roller clutch, then turn to TAG 002: Check & Problem Resolution.