At my surprise, the file was already configured as such. Upon submitting a new job, it looks like my alternate username still wasn't sent.
## /etc/cups/printers.conf ## # Printer configuration file for CUPS v1.4.6 # Written by cupsd # DO NOT EDIT THIS FILE WHEN CUPSD IS RUNNING <Printer uprint-mono> AuthInfoRequired none Info McGill uPrint (Mono) MakeModel Generic PCL Laser Printer DeviceURI ipp://jonall...@cups.ncs.mcgill.ca:631/printers/mcgill_mono State Idle StateTime 1316732489 Type 4206676 Product (PCL Laser Printer) Filter application/vnd.cups-raw 0 - Filter application/vnd.cups-raster 50 rastertohp Accepting Yes Shared No JobSheets none none QuotaPeriod 0 PageLimit 0 KLimit 0 OpPolicy authenticated ErrorPolicy retry-job Option User jonallard </Printer> -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/856776 Title: Cannot declare itself as another username with CUPS server To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/system-config-printer/+bug/856776/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs