Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

> - use an HP printer were the printhead is in the printing cartridge.

If I'm not mistaken an HP printer uses thermal heads to HEAT the ink
causing bubble popping, and epson - I believe uses sound (or piezo)
heads.

Hopefully the resist ink or solvants dont clog the heads right away on
the thermal inkjet process.