9 Apr
2019
9 Apr
'19
8:23 p.m.
It sounds like the caps have not (yet) completely failed.
I'd bet $10 on the HV supply being your problem.
And you would be $10 richer now :D
I just replaced the caps on the HV board ($5 worth of parts $7.99 for S&H :facepalm:)
and it fired right up and started printing. None of the caps looked "bad". I
don't have an ESR meter but when I tested the caps w/ my multimeter (outside of the
circuit of course) only one seemed bad to my very rudimentary understanding. It was the
big 25V 470uF cap. It never reached a resistance of infinity (which I believe a good cap
will do). Not sure if this is a true indication of a bad cap or that my MM just
couldn't charge the cap sufficiently. In either case it is now replaced w/ a 25V 470uF
125C Panasonic part.
Thanks to everyone for the help.
-Ali