HP (Hewlett-Packard) C30D Printer User Manual


 
Troubleshooting Analysis Guide (TAGs) 3-33
13
Turn the printer off and unplug the power cord.
Disconnect J/P40 and J/P67.
Check P40-5 to J67-2 and P40-11 to J67-1 for continuity.
Is there continuity?
No: Repair or replace the connectors or wiring from P40-5 to J67-2 or P40-11 to J67-1. Then
turn to TAG 002: Check & Problem Resolution.
Yes: Replace the lower feed roller assembly, then turn to TAG 002: Check & Problem Resolu-
tion.
14
Inspect the lower pick-up roller assembly for damage or binding.
Is it in good working order?
No: Replace the lower pick-up roller assembly, then turn to TAG 002: Check & Problem Res-
olution.
Yes: Continue.
15
Inspect the lower feed roller assembly for damage or binding.
Is it in good working order?
No: Replace the lower feed roller assembly, then turn to TAG 002: Check & Problem Resolu-
tion.
Yes: The lower pick-up roller or lower feed roller may not be delivering the paper to the paper
timing sensor at the correct time. Return to the beginning of this TAG.