Homebrew PCBs

Well that just s*cks. :D The Epson 1280 has been sitting idle for about 2 
years now. It would be simpler to replace it than try to clean out the print 
heads.

Are you using pigment based inks? Or dye-based? Black only?


----- Original Message ----- 
From: "DJ Delorie" <dj@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, June 23, 2008 12:25 AM
Subject: Re: [Homebrew_PCBs] UV LED box


>
> DJ Delorie <dj@...> writes:
>> Still etching, but it looks like it only gives 3 steps of useful
>> range, vs 8 steps for the inkjet.  Under a microscope with
>> back-lighting, the toner is not as opaque as you'd think.
>
> Done.  Only one step was useful; the one above it was completely
> etched away and the one below it had shorts.  Also, the vellum itself
> took three steps of the exposure.  So, it's a bad combination of
> uv-blocking paper with uv-passing toner :-(
>
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