Re: backtracking problem

From: Henning Meier-Geinitz (hmg-ml@gmx.de)
Date: Thu Sep 21 2000 - 09:21:46 PDT

  • Next message: Henning Meier-Geinitz: "Re: Problems with Mustek 1200 SP, mode color. WITH debug.log"

    Hi,

    On Thu, Sep 21, 2000 at 11:51:41AM +0200, Ivo wrote:
    > Well, now that you mention it, at low resolutions and small widths,
    > backtracking does not seem to occur. But when I increase the scan width with
    > the same resolution, it will happen. If I up the resolution with the same small
    > width, backtracking also occurs; and scanning is very slow, but that could be
    > normal, i.e. even so with the Windows driver (haven't tried).

    The behaviour is the same with windows but backtracking doesn't happen so
    often.
     
    > > > and as you can see in the debug output, buffersize is increased to 1024
    > > > kb by the mustek backend.
    > > I don't think this will help with ScanExpress/ScanMagic scanners. They like
    > > their standard 64 K blocksize.
    >
    > But it won't have a negative effect either?

    Probably it won't. However, with The ScanExpress/ScanMagic 1.x scanners a buffersize
    >64 k may lead to a total freeeze of the scanner.

    Bye,
      Henning

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