This appears to be the same as Debian bug #478062, which mentions a workaround in the form of disabling the TCP F-RTO congestion algorithm via sysctl.
Yes, this may be a kernel bug; or it may be a CUPS bug, or a bug in whatever print server is being written to. More information is still needed here to ensure the problem is fixed appropriately.
This appears to be the same as Debian bug #478062, which mentions a workaround in the form of disabling the TCP F-RTO congestion algorithm via sysctl.
Yes, this may be a kernel bug; or it may be a CUPS bug, or a bug in whatever print server is being written to. More information is still needed here to ensure the problem is fixed appropriately.