when i run scangearmp2 gives the error " cannot communicate with scanner : scanner driver will be closed " .
the scanner does show up in usb devices .
the scanner shows up in yast’s scanner configuration and uses pixma driver .
the scanner is a usb 3 device that shows up as usb 2 .
i loaded xsane backends from SaurLand .
this may help :
lsusb
Bus 008 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 007 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 002: ID 04a9:1912 Canon, Inc. LiDE 400
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 003: ID 0b05:19af ASUSTek Computer, Inc. AURA LED Controller
Bus 001 Device 002: ID 0b05:1a52 ASUSTek Computer, Inc. USB Audio
Bus 001 Device 006: ID 413c:2003 Dell Computer Corp. Keyboard SK-8115
Bus 001 Device 005: ID 046d:c093 Logitech, Inc. Advanced Corded Mouse M500s
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
dmesg | grep usb
[ 1.869606] usbcore: registered new interface driver usbfs
[ 1.869613] usbcore: registered new interface driver hub
[ 1.869623] usbcore: registered new device driver usb
[ 3.716861] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.14
[ 3.716863] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.716864] usb usb1: Product: xHCI Host Controller
[ 3.716866] usb usb1: Manufacturer: Linux 5.14.21-150500.55.44-default xhci-hcd
[ 3.716867] usb usb1: SerialNumber: 0000:08:00.0
[ 3.719430] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM.
[ 3.719444] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.14
[ 3.719445] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.719446] usb usb2: Product: xHCI Host Controller
[ 3.719447] usb usb2: Manufacturer: Linux 5.14.21-150500.55.44-default xhci-hcd
[ 3.719448] usb usb2: SerialNumber: 0000:08:00.0
[ 3.721387] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.14
[ 3.721388] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.721390] usb usb3: Product: xHCI Host Controller
[ 3.721390] usb usb3: Manufacturer: Linux 5.14.21-150500.55.44-default xhci-hcd
[ 3.721391] usb usb3: SerialNumber: 0000:0a:00.3
[ 3.721888] usb usb4: We don't know the algorithms for LPM for this host, disabling LPM.
[ 3.721901] usb usb4: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.14
[ 3.721902] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.721903] usb usb4: Product: xHCI Host Controller
[ 3.721904] usb usb4: Manufacturer: Linux 5.14.21-150500.55.44-default xhci-hcd
[ 3.721905] usb usb4: SerialNumber: 0000:0a:00.3
[ 3.723088] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.14
[ 3.723089] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.723091] usb usb5: Product: xHCI Host Controller
[ 3.723091] usb usb5: Manufacturer: Linux 5.14.21-150500.55.44-default xhci-hcd
[ 3.723092] usb usb5: SerialNumber: 0000:0a:00.4
[ 3.723593] usb usb6: We don't know the algorithms for LPM for this host, disabling LPM.
[ 3.723606] usb usb6: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.14
[ 3.723608] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.723609] usb usb6: Product: xHCI Host Controller
[ 3.723610] usb usb6: Manufacturer: Linux 5.14.21-150500.55.44-default xhci-hcd
[ 3.723611] usb usb6: SerialNumber: 0000:0a:00.4
[ 3.725836] usb usb7: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.14
[ 3.725838] usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.725839] usb usb7: Product: xHCI Host Controller
[ 3.725840] usb usb7: Manufacturer: Linux 5.14.21-150500.55.44-default xhci-hcd
[ 3.725841] usb usb7: SerialNumber: 0000:0b:00.0
[ 3.726126] usb usb8: We don't know the algorithms for LPM for this host, disabling LPM.
[ 3.726139] usb usb8: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.14
[ 3.726141] usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.726142] usb usb8: Product: xHCI Host Controller
[ 3.726143] usb usb8: Manufacturer: Linux 5.14.21-150500.55.44-default xhci-hcd
[ 3.726144] usb usb8: SerialNumber: 0000:0b:00.0
[ 3.976018] usb 5-2: new high-speed USB device number 2 using xhci_hcd
[ 4.040203] usb 1-6: new high-speed USB device number 2 using xhci_hcd
[ 4.128509] usb 5-2: New USB device found, idVendor=04a9, idProduct=1912, bcdDevice= 1.00
[ 4.128511] usb 5-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 4.128512] usb 5-2: Product: LiDE 400
[ 4.128513] usb 5-2: Manufacturer: Canon
[ 4.128514] usb 5-2: SerialNumber: 4B6BFE
[ 5.965687] usb 1-6: New USB device found, idVendor=0b05, idProduct=1a52, bcdDevice= 0.02
[ 5.965691] usb 1-6: New USB device strings: Mfr=3, Product=1, SerialNumber=0
[ 5.965693] usb 1-6: Product: USB Audio
[ 5.965695] usb 1-6: Manufacturer: Generic
[ 6.216027] usb 1-7: new full-speed USB device number 3 using xhci_hcd
[ 6.600500] usb 1-7: config 1 has an invalid interface number: 2 but max is 1
[ 6.600504] usb 1-7: config 1 has no interface number 1
[ 6.612484] usb 1-7: New USB device found, idVendor=0b05, idProduct=19af, bcdDevice= 1.00
[ 6.612487] usb 1-7: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 6.612490] usb 1-7: Product: AURA LED Controller
[ 6.612491] usb 1-7: Manufacturer: AsusTek Computer Inc.
[ 6.612492] usb 1-7: SerialNumber: 9876543210
[ 6.812027] usb 1-8: new high-speed USB device number 4 using xhci_hcd
[ 7.047710] usb 1-8: New USB device found, idVendor=05e3, idProduct=0608, bcdDevice=60.90
[ 7.047716] usb 1-8: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[ 7.047718] usb 1-8: Product: USB2.0 Hub
[ 7.280028] usb 1-10: new full-speed USB device number 5 using xhci_hcd
[ 7.676466] usb 1-10: New USB device found, idVendor=046d, idProduct=c093, bcdDevice=53.00
[ 7.676471] usb 1-10: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 7.676473] usb 1-10: Product: Advanced Corded Mouse M500s
[ 7.676475] usb 1-10: Manufacturer: Logitech
[ 7.676476] usb 1-10: SerialNumber: 207E38765846
[ 7.888026] usb 1-12: new low-speed USB device number 6 using xhci_hcd
[ 8.219239] usb 1-12: New USB device found, idVendor=413c, idProduct=2003, bcdDevice= 3.06
[ 8.219245] usb 1-12: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 8.219247] usb 1-12: Product: Dell USB Keyboard
[ 8.219248] usb 1-12: Manufacturer: Dell
[ 10.202318] usbcore: registered new interface driver usbhid
[ 10.202321] usbhid: USB HID core driver
[ 10.335264] hid-generic 0003:0B05:1A52.0001: hiddev96,hidraw0: USB HID v1.11 Device [Generic USB Audio] on usb-0000:08:00.0-6/input7
[ 10.335377] hid-generic 0003:0B05:19AF.0002: hiddev97,hidraw1: USB HID v1.11 Device [AsusTek Computer Inc. AURA LED Controller] on usb-0000:08:00.0-7/input2
[ 10.335484] input: Logitech Advanced Corded Mouse M500s as /devices/pci0000:00/0000:00:02.1/0000:02:00.0/0000:03:0c.0/0000:08:00.0/usb1/1-10/1-10:1.0/0003:046D:C093.0003/input/input10
[ 10.335567] hid-generic 0003:046D:C093.0003: input,hidraw2: USB HID v1.11 Mouse [Logitech Advanced Corded Mouse M500s] on usb-0000:08:00.0-10/input0
[ 10.335783] input: Logitech Advanced Corded Mouse M500s Keyboard as /devices/pci0000:00/0000:00:02.1/0000:02:00.0/0000:03:0c.0/0000:08:00.0/usb1/1-10/1-10:1.1/0003:046D:C093.0004/input/input11
[ 10.392511] hid-generic 0003:046D:C093.0004: input,hiddev98,hidraw3: USB HID v1.11 Keyboard [Logitech Advanced Corded Mouse M500s] on usb-0000:08:00.0-10/input1
[ 10.392694] input: Dell Dell USB Keyboard as /devices/pci0000:00/0000:00:02.1/0000:02:00.0/0000:03:0c.0/0000:08:00.0/usb1/1-12/1-12:1.0/0003:413C:2003.0005/input/input14
[ 10.452391] hid-generic 0003:413C:2003.0005: input,hidraw4: USB HID v1.10 Keyboard [Dell Dell USB Keyboard] on usb-0000:08:00.0-12/input0
[ 17.666142] usbcore: registered new interface driver snd-usb-audio