Still trying to get the scanner working

hosts/legion/configuration.nix

@@ -8,6 +8,7 @@
   imports =
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix
+      <nixpkgs/nixos/modules/services/hardware/sane_extra_backends/brscan4.nix> # Brother Printer support??
 #      ./packages.nix
     ];
 
@@ -90,6 +91,15 @@ fileSystems."/mnt/nas/media2" = {
 	};
   };
 
+    hardware = {
+    sane = {
+      enable = true;
+      brscan4 = {
+        enable = true;
+        };
+      };
+    };
+
   # Load nvidia driver for Xorg and Wayland
   services.xserver.videoDrivers = ["nvidia"]; # or "nvidiaLegacy470 etc.
   hardware.nvidia-container-toolkit.enable = true;
@@ -258,6 +268,8 @@ fileSystems."/mnt/nas/media2" = {
       "video"
       "render"
       "audio"
+      "scanner"
+      "lp"
     ];
     
     packages = with pkgs; [