avahi-browse -rt _uscan._tcp
+ eth0 IPv6 Canon GX6000 series _uscan._tcp local
+ eth0 IPv4 Canon GX6000 series _uscan._tcp local
= eth0 IPv4 Canon GX6000 series _uscan._tcp local
hostname = [CanonGX6050.local]
address = [192.168.178.5]
port = [80]
txt = ["usb_MFG=Canon" "mopria-certified-scan=1.4" "duplex=F" "is=platen,adf" "cs=grayscale,color" "rs=eSCL" "representation=http://CanonGX6050.local./icon/printer_icon.png" "vers=2.9" "UUID=00000000-0000-1000-8000-0018a601ac7c" "adminurl=http://CanonGX6050.local./index.html?page=PAGE_AAP" "note=" "pdl=image/jpeg,application/pdf" "ty=Canon GX6000 series" "txtvers=1"]
= eth0 IPv6 Canon GX6000 series _uscan._tcp local
hostname = [CanonGX6050.local]
address = [192.168.178.5]
port = [80]
txt = ["usb_MFG=Canon" "mopria-certified-scan=1.4" "duplex=F" "is=platen,adf" "cs=grayscale,color" "rs=eSCL" "representation=http://CanonGX6050.local./icon/printer_icon.png" "vers=2.9" "UUID=00000000-0000-1000-8000-0018a601ac7c" "adminurl=http://CanonGX6050.local./index.html?page=PAGE_AAP" "note=" "pdl=image/jpeg,application/pdf" "ty=Canon GX6000 series" "txtvers=1"]
I had first to install avahi-utils for the above command to work. But Gnome Document Scanner continues not to find the scanner,