On Thu, 26 Feb 2004 07:21:48 +0100, JÃrÃme Grimbert <[EMAIL PROTECTED]> wrote:
Marcel Kilgus wrote:John Taylor wrote:
Dennis Briggs tried to get the Quanta committee interested in his idea for a
QL scanner using a modified printer way back in the early 1990's.
Scanners then were very expensive but as the QL had very poor graphics in
those days it didn't take off. The Nottingham group considered it too but
as it meant destroying an expensive printer, the idea was dropped.
Have you any idea who made yours?
Falkenberg sold such a scanner solution.
Right. And it did not destroy my Epson LX800: it was just a matter of replacing the print head with the scanner.
It was Red&Black scanner (the light source was a red light, the measurement of light was converted to the full 8 colours of the QL, as intensity, even if the value was all over the 0 to 255 range)
Synchronisation of the border, due to the printer buffering, was the most delicat part: if you had ink on the printer roll, it might compromise the software correction for the border alignement.
I also don't see why it wouldn't be easy to convert for use with an I2C powered stepper-motor setup as well (to eliminate the need for a dot matrix printer).
Phoebus
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