I would highly recommend a powered hub to guarantee full power to the scanner, and a (surge-protected) power strip to get your PC's power in reach.
The sane-release PPA has "scanimage" in its packages. That hasn't changed. And yes, they're for 22.04. On Tue, Oct 18, 2022 at 1:09 AM M. Fioretti <[email protected]> wrote: > > Hi Kelly, and thanks, with a couple questions on specific points: > > On Mon, Oct 17, 2022 11:39:14 AM -0400, Kelly Price wrote: > > I can answer that from a user's perspective. My go-to for scanners is > > the LiDE series. > > > > Yes, they're USB powered because they use LED lighting. It allows > > them to sip power, so they're under the 5V 500mA limit. I've had > > these plugged in via a hub and now direct. Works nicely. > > but does the hub **NEED** to be powered? Until now, I've done with a > four port "passive" hub attached to my NUC desktop, for: mouse, > keyboard, webcam & printer/scanner. Replacing that with a powered > hub would (besides being ~25/30 EUR more, AFAICT) be a problem because > I already am out of easy to reach electrical sockets... > > > And it's best if you use the "sane-releases" PPA, because Ubuntu can > > lag behind. It should work out of the box with the PPA. > > on the software side... > > what I need is the most is a command line utility to scan at maximum > resolution from inside a shell script. That would be still > "scanimage", or something else here? > > This said, I have discovered that there are also packages by Canon itself: > > https://www.canon-europe.com/support/consumer_products/products/scanners/lide_series/canoscan-lide-400.html?type=drivers&language=en&os=linux%20(64-bit) > > but since they are declared for Ubuntu 18.04 LTS, the PPAs you mention > should be much better for 22.04, right? I mean, these: > > https://launchpad.net/~sane-project/+archive/ubuntu/sane-release > > Thanks, looking forward to these confirmation so I can go to the store > and buy this thing... > > Marco > -- Kelly "STrRedWolf" Price http://redwolf.ws
