As of Debian 12 Bookworm with HPLIP 3.22.10, it still doesn't work on HP Laserjet pro MFP m28a.
* HP ESCL plugin (bb_escl.so) is installed * ipp-usb is disabled * USB data capture shows no attempts to work with scanner interface I see the following in the system log: scanimage[15716]: scan/sane/escl.c 434: escl_open() session=(nil) scanimage[15716]: io/hpmud/musb.c 427: Found interface conf=0, iface=0, altset=0, index=1 scanimage[15716]: io/hpmud/musb.c 389: Active kernel driver on interface=0 ret=0 scanimage[15716]: io/hpmud/musb.c 535: claimed 7/1/2 interface scanimage[15716]: io/hpmud/musb.c 781: read actual device_id successfully fd=1 len=239 scanimage[15716]: io/hpmud/musb.c 561: released 7/1/2 interface scanimage[15716]: common/utils.c 212: unable to load library libm.so: libm.so: cannot open shared object file: No such file or directory scanimage[15716]: scan/sane/escl.c 59: Calling bb_open scanimage[15716]: scan/sane/escl.c 80: Calling bb_load EXIT scanimage[15716]: scan/sane/escl.c 465: escl_open() calling bb_escl.so PASSED scanimage[15716]: scan/sane/escl.c 283: init_options.... scanimage[15716]: bb_escl.c 1007: bb_open() escl entry. scanimage[15716]: bb_escl.c 887: bb_get_scanner_elements. scanimage[15716]: io/hpmud/musb.c 961: new HP-ESCL-SCAN channel=26 clientCnt=1 channelCnt=1 scanimage[15716]: io/hpmud/musb.c 1567: invalid HP-ESCL-SCAN channel=26 scanimage[15716]: io/hpmud/musb.c 976: removed HP-ESCL-SCAN channel=26 clientCnt=0 channelCnt=0 scanimage[15716]: http.c 302: unable to open HP-ESCL-SCAN channel scanimage[15716]: bb_escl.c 890: unable to open http connection hp:/usb/HP_LaserJet_MFP_M28-M31?serial=VNC3J11813 scanimage[15716]: bb_escl.c 920: bb_get_scanner_elements returning with (stat=1). scanimage[15716]: bb_escl.c 1143: bb_open() returning stat=1. scanimage[15716]: scan/sane/escl.c 89: Calling escl bb_unload: It works with ipp-usb + sane-airscan (non-HP driver stack). All the data is in attachment. ** Attachment added: "hp-m28-scan-issue.zip" https://bugs.launchpad.net/ubuntu/+source/hplip/+bug/1811504/+attachment/5944705/+files/hp-m28-scan-issue.zip -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1811504 Title: Scan with HP LaserJet Pro MFP M28a fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/hplip/+bug/1811504/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
