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Message: [QUOTE="mwg42, post: 233822, member: 29827"] I've been diving down the rabbit hole on this problem. (Alice said to say "Hi.") The problem appears to be that most of the IPv4 interface has broken. I've been able get at the printer web page by using an IPv6 address I found in the configuration pages. While it's amazing how much you can learn about IPv6 in three days (I don't normally do networking to this level) I haven't figured out if the LPR port is just working on v4 or if CUPS is failing over to v6. I scrolled down far enough in my VM list to remember Windows 10. It turns out it has a built-in scanner program that works using IPv6. I keep Windows around to support one program and don't usually remember it until I need that program. If I can't fix SANE I can use Windows as a fall back. It just means more work scanning and copying the file to the host system. It seems that for SANE to use IPv6 I need to define a link in /etc/sane.d/pixma.conf When I do that and fire up SANE, I get an error that looks like this: [bjnp] bjnp_allocate_device: ERROR - Cannot resolve host: FDE9 port C19E:FB1E:0:CE6B:1EFF:xxxx:xxxx:8612 [bjnp] create_broadcast_socket: ERROR - bind socket to local address failed - Address already in use Here 8612 is the scanner port number, but SANE is parsing the first block of the IPv6 address as the host, and the rest of the line as the port descriptor. This roundly fails to work. I have tried both the link-local address and the router-supplied address, neither works for scanning. The router-supplied address is how I got to the printer web -page. I will now be simultaneously researching partial network stack failures on Brother printers and other options for getting SANE to see the IPv6 path to the scan function. If this information gives anyone more ideas, I'd like to hear them. Happy Monday! [/QUOTE]

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