Successfully add drivers for Brother printer, maybe successfully add scanner?

And some other printer-realted programs that may or may not have been needed.

configuration.nix

@@ -9,6 +9,8 @@
     [
       # Include the results of the hardware scan.
       ./hardware-configuration.nix
+      # Support Brother scanner
+      <nixpkgs/nixos/modules/services/hardware/sane_extra_backends/brscan4.nix>
       # Include Framework-specific tweaks supported by the NixOS community
       <nixos-hardware/framework/16-inch/common>
       # This amazing script seems to cause the computer to not have a properly functioning screen
@@ -34,6 +36,7 @@
     calibre
     contrast
     # cruft
+    cups-brother-hll2375dw
     curl
     ddev
     diffr
@@ -133,6 +136,7 @@
     sly # simple image editing
     starship # fancy command line prompt
     strawberry-qt6
+    system-config-printer
     tdf # Terminal PDF viewer
     textpieces
     tldr
@@ -190,6 +194,20 @@
     options = "--delete-older-than 60d";
   };
 
+  # Hardware
+  # hardware.sane.enable = true; # enables support for SANE scanners per https://wiki.nixos.org/wiki/Scanners
+  hardware = {
+    sane = {
+      enable = true;
+      brscan4 = {
+        enable = true;
+        netDevices = {
+          home = { model = "HL-L2380DW"; ip = "192.168.178.23"; };
+        };
+      };
+    };
+  };
+
   networking.hostName = "nixos"; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
 
@@ -246,7 +264,14 @@
   console.keyMap = "dvorak";
 
   # Enable CUPS to print documents.
-  # services.printing.enable = true;
+  services.printing.enable = true;
+
+  # Add Brother printer drivers, per https://nixos.wiki/wiki/Hardware/Brother
+  services.printing.drivers = [
+    pkgs.brlaser
+    pkgs.brgenml1lpr
+    pkgs.brgenml1cupswrapper
+  ];
 
   # Enable sound with pipewire.
   services.pulseaudio.enable = false;
@@ -282,7 +307,7 @@
   users.users.mlncn = {
     isNormalUser = true;
     description = "mlncn";
-    extraGroups = [ "networkmanager" "wheel" "docker" ];
+    extraGroups = [ "networkmanager" "wheel" "docker" "scanner" "lp" ];
     packages = with pkgs; [
       discord
       kdePackages.kate