Thank you to report this bug and make Ubuntu better! please check bug https://bugs.launchpad.net/ubuntu/+source/hplip/+bug/1812392 and see if thats your case also
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to simple-scan in Ubuntu. https://bugs.launchpad.net/bugs/1952717 Title: hp laserjet pro mfp 126 nw scanner installation Status in simple-scan package in Ubuntu: New Bug description: HP Laserjet pro mfp126 nw scanner not scan the image display message unable to connect to scanner ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: simple-scan 3.28.0-0ubuntu1 ProcVersionSignature: Ubuntu 4.15.0-163.171-generic 4.15.18 Uname: Linux 4.15.0-163-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.27 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Tue Nov 30 12:17:14 2021 InstallationDate: Installed on 2020-06-19 (528 days ago) InstallationMedia: Ubuntu 14.04.5 LTS "Trusty Tahr" - Release amd64 (20160803) ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-163-generic root=UUID=2272ddd3-409c-4b16-9712-48ddb5020768 ro quiet splash vt.handoff=1 SourcePackage: simple-scan UpgradeStatus: Upgraded to bionic on 2021-11-26 (3 days ago) dmi.bios.date: 01/08/2009 dmi.bios.vendor: Intel Corp. dmi.bios.version: RQG4110H.86A.0009.2009.0108.1005 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: DG41RQ dmi.board.vendor: Intel Corporation dmi.board.version: AAE54511-203 dmi.chassis.type: 3 dmi.modalias: dmi:bvnIntelCorp.:bvrRQG4110H.86A.0009.2009.0108.1005:bd01/08/2009:svn:pn:pvr:rvnIntelCorporation:rnDG41RQ:rvrAAE54511-203:cvn:ct3:cvr: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/simple-scan/+bug/1952717/+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