Homebrew PCBs

It is very likely that the driver software is dithering and that is
why you see the spread on a line.

DJ, are you printing that as a raster graphic or a vector file?

Steve Greenfield

--- In Homebrew_PCBs@yahoogroups.com, "warrenbrayshaw"
<warrenbrayshaw@...> wrote:
>
> You may care to investigate the possibility of 'reducing' the head to
> paper distance. This may gather up the dots. It appears the ink
> droplets  are launched randomly in a cone pattern from each nozzle.
> Reducing the flight height should reduce the spread. 
> 
> Regards
> 
> DJ Delorie.> wrote:
> >> 
> > I found out today that the Linux printing software (Gutenprint) now
> > supports my R280 printer (the R280 came with a camera, I've mentioned
> > this before).  So now I can control the dots more accurately.
> > However, it seems that the printer just can't position a dot with,
> > say, 1 mil of accuracy.  I haven't done much experimenting with the
> > driver to try to reduce the variables that are causing this variation
>