University Printers on GNU/Linux and macOS

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How to set up new HP printers on GNU/Linux and macOS

This is not an official guide.

This article assumes your package manager on GNU/Linux is dnf (on University Red Hat laptops). If you are using another package manager, replace dnf with your package manager (e.g. apt).

Install CUPS if you haven't already. For macOS users, CUPS is already installed.
```
sudo dnf install cups
```
Start the service if using systemd on GNU/Linux.
```
sudo systemctl enable --now cups
```
On macOS, start the CUPS daemon manually.
```
sudo cupsd
```
Enable CUPS web interface.
```
cupsctl WebInterface=yes
```
You should be able to see the CUPS web interface at http://localhost:631.
Delete PaperCutPrintDeployClient if installed.

PaperCutPrintDeployClient can be obtained from https://printing.soton.ac.uk/print-deploy/client-setup/linux.html.
```
sudo dnf remove PaperCutPrintDeployClient
```
On GNU/Linux, install system-config-printer and system-config-printer-applet.
```
sudo dnf install system-config-printer system-config-printer-applet
```
These packages are for graphical authentication dialogs, as you need to enter your username and password when you submit a job. The source code is available on GitHub: OpenPrinting/system-config-printer.

Start system-config-printer.
```
system-config-printer-applet &
```
This should be added to your XDG autostart script or your window manager's autostart script.

On macOS, authentication is handled by Print Centre.app. If it doesn't happen automatically, open Print Centre.app and click on the icon next to the job held for authentication.
Visit http://localhost:631.

Click on Administration — Add Printer, and sign in (as an administrator of your local machine) if asked.
Choose Other Network Printers: Internet Printing Protocol (ipps) radio-button, and Continue.

For "Connection", use

ipps://printservice.soton.ac.uk:9164/printers/UoS_Black_and_White

ipps://printservice.soton.ac.uk:9164/printers/UoS_Colour

Set a name for the new printer, such as UoS_Black_and_White or UoS_Colour. The remaining fields are optional.
The make should be HP, and Continue (not Add Printer).
The model should be IPP Everywhere TM, and Add Printer. On macOS, this may appear as {current_make_and_model} - IPP Everywhere TM.
Set Default Options.
To print a test page, click on Printers — (choose a printer) — Maintenance — Print test page.
Enter your University username (without @soton.ac.uk) and password in the dialog "Authentication required for printing document `Unknown' (job X)".

If you are using a University-managed laptop (using firewalld) and you are stuck in an endless authentication loop, then do the following (assuming you can run sudo):

sudo firewall-cmd --permanent --add-port=9164/tcp
sudo firewall-cmd --permanent --add-port=9163/tcp
sudo firewall-cmd --permanent --add-service=ipp
sudo firewall-cmd --permanent --add-service=mdns
sudo firewall-cmd --permanent --zone=trusted --add-interface=lo
sudo firewall-cmd --reload

Your job will shortly be ready for printing (https://printing.soton.ac.uk/app?service=page/UserReleaseJobs), and you can release it at a printer.

To set up the printers from the command line instead, run the following commands:

sudo lpadmin -p UoS_Black_and_White -v "ipps://printservice.soton.ac.uk:9164/printers/UoS_Black_and_White" -E -m everywhere
sudo lpadmin -p UoS_Colour -v "ipps://printservice.soton.ac.uk:9164/printers/UoS_Colour" -E -m everywhere

To prevent cups-browsed from looking for advertised printers, add the following line to /etc/cups/cups-browsed.conf as root and restart cups-browsed.

BrowseFilter NOT host printservice.soton.ac.uk