@Luca-mg: What your computer sees is the following: - You attach a device whose USB ID doesn't match any udev rule => the device is accessible for the root user only. - then you as the root user start a program that uploads something to the device. - the device disconnects and - a new device connects, this time using an USB ID there is an udev rule for. This rule tells the device is a scanner. You are in the group "scanner" => You can use it without root rights.
What you need is an udev rule that tells the system that the USB ID your device has before its firmware is uploaded is a scanner, too. As soon as udev knows that this device is a scanner it will give you the necessary rights to upload the firmware without being root. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to sane-backends in Ubuntu. https://bugs.launchpad.net/bugs/1728012 Title: Many 3rd party scanner drivers are broken by a sane change Status in sane-backends package in Ubuntu: Confirmed Bug description: Many scanners can no more be used since sane has changed something: The 3rd-party plug-in the vendor provides as .deb package will still install. But the scanner is no more recognized. Scanners that are affected are(besides others): - Epson Perfection V10 - Epson Perfection V1000 - Epson WorkForce GT-1500 - Brother MFC-8510DN - Epson Perfection V33 It is to note that the probability that the scanner manufacturers fix things others broke is below 100%. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: libsane1 1.0.27-1~experimental2ubuntu2 Uname: Linux 4.14.0-041400rc5-lowlatency x86_64 ApportVersion: 2.20.7-0ubuntu3.1 Architecture: amd64 Date: Fri Oct 27 12:35:52 2017 EcryptfsInUse: Yes SourcePackage: sane-backends UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/1728012/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
