if you can feed pc board thru some inkjet ink is not
water soluble my lexmark 12a1970 is not waterbased
im sure there are others also what about reverse print
positive with normal ink then let dry cover exposed
traces with floor wax then wash ink off could be
interesing good luck
---
stefan_trethan@... wrote:
> hi to all..
>
> this moment i finished my inkjet printing
> experiments.
> for all who aren't familiar with the topic:
>
> the target was to use acrylic floor polish in a
> inkjet printer cartridge and
> print it as a resist directly to the pcb surface.
>
> i tried the hp400 and hp51626a cartridges.
>
> i had several used of them, all were clogged a bit.
> in one i finally made a "access hole" to get the
> metal filter out and
> inspect the head, and apply solvent to it directly.
> i got it not to operate with all jets, some are
> still disfunctional.
> but it makes always a print with more than the half
> of them, making text
> good readable.
>
> with time i really got sick about trying to clean
> them up further (this is
> not easy).
>
> so i decided it is time to put floor polish in the
> one working partially.
>
> i put polish in, colored with some ink, not a single
> drop of it ever got
> through the head.
> i put the cartridge in and from the beginning id was
> like glued clogged.
>
>
> believe me, all was right, (pressure, ink actually
> at the head).
>
> it simply is not working and i don't want to
> experiment further.
>
>
> i'm wondering if anybody ever got this really to
> work and if yes i'm
> wondering which head he used, and which polish, and
> if undiluted or not.
>
>
> the past days i also faced the disadvantages of this
> method.
> if only one jet is clogged you have every some
> millimeters a fine gap all
> over your pcb tracks.
> this is quite bad if you want them to act as
> conductors.
>
>
> so please, if anyone knows what's wrong (and
> actually has done it with
> results) please let me know, otherwise i can clearly
> say i have given up this
> method.
>
> i finally learned a lot about printers, and printing
> heads by taking them
> apart.
>
> (does anyone know if hp uses the conductivity of the
> ink as the heating
> element?
> in one head i took apart and inspected at x25
> microscope i only saw two
> electrodes in each jet with a small gap.)
>
>
>
> anyways... i think it was worth a try.
>
> regards
> stefan
>
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