Re: [PARPORT] Parallelport Scanner

Thomas Sailer (
Mon, 03 Jan 2000 15:12:38 +0100

Tim Waugh wrote:

> Do you have the interface documentation that would allow you to write a
> driver for that scanner? If not, ask the vendor for some.

There is seldom interface documentation about low cost parport
or USB scanners available from the manufacturers. They are usually
very primitive, and do not even contain a microcontroller that manages
stepper motors, the lamp etc, everything has to be done by the host!
If you're lucky, your scanner contains a LM9830 single chip scanner
IC, then you might be able to use national's IC docs...


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