On Mon 6 Jun 2022, at 12:19, Gareth Evans <[email protected]> wrote: > Hello, > > I have a strange printing problem which can be replicated on two > identical printers on two different networks, when printing to wireless > driverless IPP with Brother MFC-L2740DW printers from Bullseye, whether > the printer is auto-detected or manually added via ocalhost:631 or > system-config-printer. > > The printers light up and look like business, print queue monitors > report jobs completed, but nothing actually prints. > > There are some errors in /var/log/cups/error_log but I won't go into > that at the moment because I'm trying to downgrade cups and this is > another problem. > > I think this problem has occurred since a cups update on 2022-05-27, so > having purged it completely and removed /etc/cups and reinstalled it > (along with much else due to dependency issues of libcups2) I am now > trying to downgrade cups to see if that makes a difference. > > I have followed the instructions at: > > https://vincent.bernat.ch/en/blog/2020-downgrade-debian > > $ sudo cat /etc/apt/sources*d/snapshot.list > deb [check-valid-until=no] > https://snapshot.debian.org/archive/debian/202220526T155509Z/ bullseye > main contrib non-free > $ > > $ sudo cat /etc/apt/pref*d/snapshot.pref > Package: *cups* > Pin: origin snapshot.debian.org > Pin-Priority: 1001 > $ > > but... > > $ sudo apt update > <snip> > Err:7 https://snapshot.debian.org/archive/debian/202220526T155509Z > bullseye Release > 404 Not Found [IP: 185.17.185.185 443] > <snip>
Sorry, please ignore - 404 because too many 2s in 20222. Working now. G > > AFAICS from examples/instructions at snapshot.debian.org my > snapshot.list file is correct - it looks to me like something has > moved/is offline at the server end. Pinging snapshot.debian.org > doesn't seem to be helpful as the IP which is not found changes > depending on the archive requested - but snapshot.debian.org itself > replies to pings. > > Is anyone involved with snapshot.debian.org? ...or aware of issues at > the moment? > > Thanks, > Gareth
