# Q: Cheap scanner as positioning device? (somewhat OT)

From: Christian Sigg (nav.pub@gmx.net)
Date: Wed May 09 2001 - 05:52:58 PDT

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  Dear List,

  Part of this question is more on scanner-hardware in general, I hope it's
  okay to ask this here as backend-developers probably know about flatbed
  scanner hardware - else just ignore me and I'll shut up.

  For hacking together a "TFT-monitor -> photographic paper"-enlarger I'm
  looking for a cheap solution to xy-position the photographic paper within a
  maximum tolerance of about 0.05mm (about 0.002in, the resolution of 500dpi).
  Commercial xy-tables are rather expensive, so I thought why not disassemble
  two cheap flatbed scanners and build your own?

  So here (finally) is my question:

  Does anybody know a cheap scanner model that is supported in SANE that I
  could trick into just moving for a specified length? (and that would stay
  there and not just return to default position as during a normal scan process)

  Thanks for any help,
  christian

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