since upgrading smb I can't print to remote

I was working with a label printer connected to a windows pc.
Since upgrading samba it doesn't work anymore.
It sends an error message on loading ubuntu about reporting a
It sees the remote folders fine, including printers, but I can't print anymore. It fails silently.
It had happened before, but the previous upgrade fixed it.

log:
[2012/06/19 08:21:56, 0] smbd/server.c:1051(main)
  smbd version 3.6.3 started.
  Copyright Andrew Tridgell and the Samba Team 1992-2011
[2012/06/19 08:21:57.547212, 0] smbd/server.c:1107(main)
  standard input is not a socket, assuming -D option
[2012/06/19 08:21:59.281825, 0] printing/print_cups.c:110(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2012/06/19 08:21:59.281968, 0] printing/print_cups.c:487(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2012/06/19 10:51:07, 0] smbd/server.c:1051(main)
  smbd version 3.6.3 started.
  Copyright Andrew Tridgell and the Samba Team 1992-2011
[2012/06/19 10:51:07.106229, 0] smbd/server.c:1107(main)
  standard input is not a socket, assuming -D option
[2012/06/19 10:51:07.725352, 0] printing/print_cups.c:110(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2012/06/19 10:51:07.725477, 0] printing/print_cups.c:487(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2012/06/22 15:06:19, 0] smbd/server.c:1051(main)
  smbd version 3.6.3 started.
  Copyright Andrew Tridgell and the Samba Team 1992-2011
[2012/06/22 15:06:19.599437, 0] smbd/server.c:1107(main)
  standard input is not a socket, assuming -D option
[2012/06/22 15:06:20.365291, 0] printing/print_cups.c:110(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2012/06/22 15:06:20.365448, 0] printing/print_cups.c:487(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL