HP (Hewlett-Packard) C30 Printer User Manual


 
Troubleshooting Analysis Guide (TAGs) 3-175
15
Reconnect J/P24.
Disconnect J/P23.
Check P41-38 to P23-2 for continuity.
Is there continuity?
No: Repair or replace the connectors or wiring from P41-38 to P23-2, then turn to TAG 002:
Check & Problem Resolution.
Yes: Continue.
16
Remove the developer unit.
Check P85-8 to J25-7 for continuity.
Is there continuity?
No: Repair or replace the connectors or wiring from P85-8 to J25-7, then turn to TAG 002:
Check & Problem Resolution.
Yes: Continue.
17
Is a meter with a high voltage probe available?
No: Go to #19 in this TAG.
Yes: Continue.
18
Reinstall the developer unit.
Reconnect J/P85.
Run test prints.
Using a high voltage probe, check J/P25-7 for the proper voltage, as outlined in Chapter 9,
“General Printer Maintenance”.
Is the voltage correct?
No: Replace the high voltage unit, then turn to TAG 002: Check & Problem Resolution.
Yes: Go to #20 in this TAG.
19
Reconnect J/P85.
Reinstall the developer unit.
Replace the high voltage unit.
Run test prints.
Has the problem been resolved?
No: Reinstall the original high voltage unit and continue.
Yes: Turn to TAG 002: Check & Problem Resolution.