At 11:05 PM 6/8/01 +1000, Ashley Roll wrote:
>Hi Shawn,
>
>I looked something like this a little while ago, but didn't end up
>proceeding..
>
>I was looking at some of the Epson thermal mechanisms.. they seemed
>relatively easy to use, you shift in the current "line" of data and strobe
>the heater elements. The trick is that you have to do this as the paper is
>moving so timing is important.

BTDT.

The pulse timing is tricky, unless you're willing to settle for dog-slow
performance.
It varies with head temperature, and print speed, and what got printed
recently.

Power supply design is interesting too.
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differentiate a signature line from the text of an email, I am forbidden to
have it.

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