DYMO LabelWriter 450 on NixOS

configuration_snippet.nix

   # Enable CUPS to print documents
   services.printing.enable = true;
+  services.printing.drivers = [ pkgs.gutenprint pkgs.hplip pkgs.cups-dymo ];
 
   # List available printers: lpstat -l -e
+  hardware.printers.ensurePrinters = [
+    {
+      description = "lw450";
+      name = "lw450";
+      location = "MPED desk";
+      deviceUri = "usb://DYMO/LabelWriter%20450?serial=01010112345600";   # Determined via lpinfo -v
+      model = "lw450.ppd";
+    }
+  ];