the scanner speed on the 4120C was limited by the speed of the bus. to be honest, i only go up to 200dpi, so i have not tested the speed of the 4120C2 at higher resolutions. i really dont have time this week. i will add it to my long list of things to do, perhaps early next week?
allan On Wed, 20 Apr 2005, Jeff Kowalczyk wrote: > m. allan noah wrote: >> i only know fujitsu models, so i am sure there are others, but the >> fi-4120C2 is pretty fast, and the sane support is ok for binary and >> grayscale. > > Thanks for the reply. The fujitsu models were my leading candidates. > Thanks for your work on the SANE support for these. > > The fi-4120c2 is particularly attractive due to the USB 2.0 interface. > I'll be using this unit with my laptop from time to time, and prefer to > connect it to both the server and laptop with USB 2.0 > > Question: Does the fi-4120c2 take advantage of its 600dpi optical > resolution to scan 300dpi (and perhaps even 600dpi) at the full 25ppm > speed? The data sheets only list comparison specs of 150dpi and 200dpi at > 25ppm, there's no mention of the higher resolutions' effective speed. > >> the usb issues seem more linux kernel dependent than sane. 2.4 with >> libusb has worked better than the early 2.6 kernels, but the recent >> 2.6.10+ seems to be fine (finally, some 'stable' series this is :) > > I currently run Gentoo Linux with a kernel of 2.6.11, libusb-0.1.10a, > udev-056 and HAL. So I should be alright to use the USB greyscale/1bit ADF > combination? > > Thanks. > > > -- "so don't tell us it can't be done, putting down what you don't know. money isn't our god, integrity will free our souls" - Max Cavalera
