HP3300C analysis

From: Bertrik Sikken (bertrik@zonnet.nl)
Date: Wed Jul 18 2001 - 12:14:13 PDT

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    Hi people,

    I've been analysing my HP3300C scanner. I put the results up at
    http://home.zonnet.nl/bertrik/hp3300c/hp3300c.htm
    I analysed most of the parallel-over-USB transfer protocol (it's
    quite similar to some other USB scanners) and I know a little about
    how to control the scanner too, like turning the lamp on and off.

    Does anyone have any additional information or like to join forces?

    I'm having a little trouble with USB snoopy, because the
    bulk transfers seem to overflow the log causing some USB control
    packets to be missed at a couple of critical points.

    Has anyone ever built a version of USBsnoopy that does not log
    the contents of the USB bulk packets?

    All the best,
    Bertrik Sikken 

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