Epson MX-80 Technical Manual?
cclist at sydex.com
Thu Nov 10 14:44:26 CST 2016
On 11/10/2016 11:05 AM, Tony Duell wrote:
> Strangest thing I have seen on a Diablo 630 chassis. A Sanders 700.
> That's a 7 pin dot matrix printer with the printhead in place of the
> daisywheel of the 630. Same carriage/paper feed mechanism. It takes
> plug-in ROM cartridges for the fonts, and does 8 passes of the head
> for some of them.
It was a rather incestuous community back then. One thing that our
printer designers were well aware of and referred to, were the Sanders
A lot later printers used a stepper for horizontal positioning; we used
a rather expensive DC motor with a precision (etched glass) optical
encoder. We could do NLQ with no more than 3 passes, although the speed
dropped considerably on the denser (downloadable) fonts. It pretty much
mandated a film ribbon to get any degree of sharpness.
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