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At 2001-06-18 11:39:00 Clinton, Martin wrote:
>Howard Chu wrote: 
>USB and power: USB only supplies 5V @ 500mA max per device. Fine for
>keyboards and mice, but nowhere near enough to run a printer or scanner, so
>forget that issue.
>
>I hope I'm not misinterpreting your comment Howard, but my Canon scanner
>connected to my laptop works just this way, its a CanoScan N1220U
>http://consumer.usa.canon.com/scanners/csn1220u/index.html , and has one USB
>cable that supplies power and is the data connection.

This is because it uses a different imaging technology than "normal" scanners, which 
uses less power but also cannot scan 3D objects properly (try scanning your keychain 
to see what I mean)

JT
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