>The worst printer of all came before the computer.
The Datafax. It
>used paper sensitive to an electric discharge (spark) and could send
On Wed, 26 Jul 2006, Chuck Guzis wrote:
I believe the Sinclair ZX-81 had an option for a
"spark printer". I recall
that kymographs and the like used to use that same paper for recording.
One aspect was that with an AC power supply, you coiuld get a pretty good
estimate of the pen speed by looking at the length and spacing of the dots
created by this process.
Radio Shack [briefly] sold an electrostatic printer for the TRS-80.
Nice black image on silvery paper. Until you crumple it and unfold it.