On 2011-08-31 17:56, Mathieu Bouchard wrote:
On Wed, 31 Aug 2011, Martin wrote:
For me the best are the old dot-matrix with the serial connection.
I've never seen an old dot-matrix with a serial connection.
For use with the Color Computer, I had a DIN4 serial port (RS232)
connected to a box that would reframe the data in 8-bit packets. The box
was connected to the printer directly by a Centronics36 cable. That was
something made by hand, by the owner of a small computer shop in the
80's. Otherwise, I was limited to printers that supported DIN4, which
were a 4-pen plotter and a 75-dpi CMYK inkjet (!!!).
When I connected dot-matrix printers to PC computers, it was using a
DB25-to-Centronics36 cable, which was the normal way to do so.
I'm sure that there were RS232 dot matrix printers at one point, but
they were not common.
Yes I started out with a knockoff Apple][ and later I found an Apple
printer with a serial (RS422) connection. After that I somehow acquired
a Samsung dot-matrix which had the serial port feature. Then it was a
question of finding the manuals where the graphics protocol was
described and ultimately I could use both as plotters. I still have some
of the printouts but the machines are all long gone.
Nowadays USB printers seem to be in every trash pile, a good source for
motors, optical sensors and 24V power supplies.
Martin
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