HP C30 manual Then turn to TAG 002 Check & Problem Resolution

6 Turn the printer off and unplug the power cord.

•Loosen the paper timing guide.

•Disconnect J/P57 and J/P40.

•Check the following for continuity:

•P40-16 to P57-2

•P40-25 to P57-1

•P40-12 to P57-3

Is there continuity?

No: Repair or replace the connectors or wiring from:

•P40-25 to J/P58-1 to P57-1

•P40-16 to J/P58-2 to P57-2

•P40-12 to J/P58-3 to P57-3

Then turn to TAG 002: Check & Problem Resolution.

Yes: Replace the paper timing guide. If that doesn’t resolve the problem, replace the PCL board. Then turn to TAG 002: Check & Problem Resolution.

3-42 Troubleshooting Analysis Guide (TAGs)