Originally Posted by David Sewell

My Hewlet Packard 850c computer printer flashes the resume
button led every time I switch on, and if I switch the printer off and on,
it will eventually work ok. If I leave it to warm up and then switch it off
and back on it is ok. Whilst in the flashing led symptom the catridge
carriage is at the centre of travel. What could be the problem here. I am
thinking could it be an electrolytic capacitor playing up, but what area to
look. They all appear fine to look at.
Thanks,
David