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SubjectRe: USB devices fail unnecessarily on unpowered hubs
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Lennart Sorensen <lsorense@csclub.uwaterloo.ca> writes:

> A scanner certainly uses more power with the scanner light on than with
> it off, and it starts out off until it is in use on most scanners. Of
> course I have never seen a usb powered scanner, so it doesn't seem to
> matter.

Oh, they've been around for years. The CanoScan LiDE 25 is an example:
<http://www.usa.canon.com/consumer/controller?act=ModelTechSpecsAct&fcategoryid=119&modelid=11463>

--
ilmari
"A disappointingly low fraction of the human race is,
at any given time, on fire." - Stig Sandbeck Mathisen
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