Homebrew PCBs

----- Original Message ----- 
From: "DJ Delorie" <dj@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Saturday, May 10, 2008 4:32 AM
Subject: [Homebrew_PCBs] Epson R280 inket notes


>
> Fortunately, Gutenprint allows you to adjust the ink density.
> I've experimented with values from 0.8 (the default) up to 2.0.  I've
> found that 2.0 gives a really dark print - pretty much solid - but the
> ink quickly bleeds on my vellum, corrupting the print.  Any tips on
> that?  Heat gun? (tried - it takes long enough to print that the
> bleeding happens before I can get the page out) Less ink leaves spotty
> results, so for this to work with these inks, I'd need to be able to
> print at 2.0 without ink bleeding.

Try using Mega Electronics JetStar or JetStar Premium film. It's especially 
made for PCB artwork. I use the Premium film with my HP printer with 
excellent results, and the ordinary stuff worked very well with the Epson 
printer I used to use. You can buy it from Farnell in the USA.

Leon