Homebrew PCBs

> That inkjet printout is horrible. The transparency/ink combination 
> you're using is not working. Pigment inks would most likely cause 
> cracking. Before changing transparencies, try a dye ink instead. Many 
> inkjet printers have pigment black ink for text, and dye ink for photo 
> printing modes. Photo mode black printing is either a dedicated photo 
> black ink or from combined 3 colour inks. In general, I found dye black 
> inks are superior than pigment ink for creating PCB photomasks.
>

For printing I set the colours as full CMYK so it wouldn't be just
black ink, however I´m afraid that my printer doesn't let me use any
other cartridges except the original ones.

I guess the best thing would be, in the future, to buy a laser printer
for this purposes.