Not DEC related but still hoping for some help: Problems w/ LJ 4+ Printer

Grant Taylor cctalk at
Tue Apr 9 23:31:47 CDT 2019

On 4/9/19 9:23 PM, Ali via cctalk wrote:
> 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.


I'm glad that you got it working.  :-)

Grant. . . .
unix || die

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