[sane-devel] Need recomendation linux/sane compat scanner w/ fast 2bit/greys

Jeff Kowalczyk jtk@yahoo.com
Mon, 5 Apr 2004 15:04:21 -0700 (PDT)

"m. allan noah" wrote:
> the 4120/4220 on the other hand, are absolutely wonderful, heavy, small, 
> welbuilt machines, with excellent paper feeds, even for heavy stock. we 
> now have quite a few of them in the field, each scanning a few hundred 
> sheets per day, and are quite happy with the performance. they are a bit 
> above consumer level, at ~900 bucks a pop.

Taking a closer look at the 4120C, and with your helpful clue about the
estimated MSRP, that model looks like a good bet. The 4220C is odd-looking,
almost like two complete scanners sharing only electronics. I imagine that
one's much more than $900?

A few questions:
- The hardware JPEG can be disabled, right? Since I'm only looking to save
1-bit and greyscale PNG's, I wouldn't want to introduce JPEG waviness into
those formats.

- Is USB 1.1 interface working in the current or near-term sane driver, and is
USB 1.1 fast enough to push the images across at 25ppm 200dpi? Is that speed
dependent on JPEG-compressed images?

- The rated 200dpi 25ppm speed sounds great. What can I expect at 300dpi
greyscale over USB?


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