diff --git a/nixos/modules/hardware/printers.nix b/nixos/modules/hardware/printers.nix
index ace900d88586..a40822df11f5 100644
--- a/nixos/modules/hardware/printers.nix
+++ b/nixos/modules/hardware/printers.nix
@@ -1,19 +1,18 @@
 { config, lib, pkgs, ... }:
-with lib;
 let
   cfg = config.hardware.printers;
 
   ensurePrinter = p: let
-    args = cli.toGNUCommandLineShell {} ({
+    args = lib.cli.toGNUCommandLineShell {} ({
       p = p.name;
       v = p.deviceUri;
       m = p.model;
-    } // optionalAttrs (p.location != null) {
+    } // lib.optionalAttrs (p.location != null) {
       L = p.location;
-    } // optionalAttrs (p.description != null) {
+    } // lib.optionalAttrs (p.description != null) {
       D = p.description;
-    } // optionalAttrs (p.ppdOptions != {}) {
-      o = mapAttrsToList (name: value: "${name}=${value}") p.ppdOptions;
+    } // lib.optionalAttrs (p.ppdOptions != {}) {
+      o = lib.mapAttrsToList (name: value: "${name}=${value}") p.ppdOptions;
     });
   in ''
     ${pkgs.cups}/bin/lpadmin ${args} -E
@@ -24,22 +23,22 @@ let
   '';
 
   # "graph but not # or /" can't be implemented as regex alone due to missing lookahead support
-  noInvalidChars = str: all (c: c != "#" && c != "/") (stringToCharacters str);
-  printerName = (types.addCheck (types.strMatching "[[:graph:]]+") noInvalidChars)
+  noInvalidChars = str: lib.all (c: c != "#" && c != "/") (lib.stringToCharacters str);
+  printerName = (lib.types.addCheck (lib.types.strMatching "[[:graph:]]+") noInvalidChars)
     // { description = "printable string without spaces, # and /"; };
 
 
 in {
   options = {
     hardware.printers = {
-      ensureDefaultPrinter = mkOption {
-        type = types.nullOr printerName;
+      ensureDefaultPrinter = lib.mkOption {
+        type = lib.types.nullOr printerName;
         default = null;
         description = ''
           Ensures the named printer is the default CUPS printer / printer queue.
         '';
       };
-      ensurePrinters = mkOption {
+      ensurePrinters = lib.mkOption {
         description = ''
           Will regularly ensure that the given CUPS printers are configured as declared here.
           If a printer's options are manually changed afterwards, they will be overwritten eventually.
@@ -49,9 +48,9 @@ in {
           Printers not listed here can still be manually configured.
         '';
         default = [];
-        type = types.listOf (types.submodule {
+        type = lib.types.listOf (lib.types.submodule {
           options = {
-            name = mkOption {
+            name = lib.mkOption {
               type = printerName;
               example = "BrotherHL_Workroom";
               description = ''
@@ -59,25 +58,25 @@ in {
                 May contain any printable characters except "/", "#", and space.
               '';
             };
-            location = mkOption {
-              type = types.nullOr types.str;
+            location = lib.mkOption {
+              type = lib.types.nullOr lib.types.str;
               default = null;
               example = "Workroom";
               description = ''
                 Optional human-readable location.
               '';
             };
-            description = mkOption {
-              type = types.nullOr types.str;
+            description = lib.mkOption {
+              type = lib.types.nullOr lib.types.str;
               default = null;
               example = "Brother HL-5140";
               description = ''
                 Optional human-readable description.
               '';
             };
-            deviceUri = mkOption {
-              type = types.str;
-              example = literalExpression ''
+            deviceUri = lib.mkOption {
+              type = lib.types.str;
+              example = lib.literalExpression ''
                 "ipp://printserver.local/printers/BrotherHL_Workroom"
                 "usb://HP/DESKJET%20940C?serial=CN16E6C364BH"
               '';
@@ -86,9 +85,9 @@ in {
                 {command}`lpinfo -v` shows a list of supported device URIs and schemes.
               '';
             };
-            model = mkOption {
-              type = types.str;
-              example = literalExpression ''
+            model = lib.mkOption {
+              type = lib.types.str;
+              example = lib.literalExpression ''
                 "gutenprint.''${lib.versions.majorMinor (lib.getVersion pkgs.gutenprint)}://brother-hl-5140/expert"
               '';
               description = ''
@@ -96,8 +95,8 @@ in {
                 {command}`lpinfo -m` shows a list of supported models.
               '';
             };
-            ppdOptions = mkOption {
-              type = types.attrsOf types.str;
+            ppdOptions = lib.mkOption {
+              type = lib.types.attrsOf lib.types.str;
               example = {
                 PageSize = "A4";
                 Duplex = "DuplexNoTumble";
@@ -114,7 +113,7 @@ in {
     };
   };
 
-  config = mkIf (cfg.ensurePrinters != [] && config.services.printing.enable) {
+  config = lib.mkIf (cfg.ensurePrinters != [] && config.services.printing.enable) {
     systemd.services.ensure-printers = {
       description = "Ensure NixOS-configured CUPS printers";
       wantedBy = [ "multi-user.target" ];
@@ -126,13 +125,13 @@ in {
         RemainAfterExit = true;
       };
 
-      script = concatStringsSep "\n" [
-        (concatMapStrings ensurePrinter cfg.ensurePrinters)
-        (optionalString (cfg.ensureDefaultPrinter != null)
+      script = lib.concatStringsSep "\n" [
+        (lib.concatMapStrings ensurePrinter cfg.ensurePrinters)
+        (lib.optionalString (cfg.ensureDefaultPrinter != null)
           (ensureDefaultPrinter cfg.ensureDefaultPrinter))
         # Note: if cupsd is "stateless" the service can't be stopped,
         # otherwise the configuration will be wiped on the next start.
-        (optionalString (with config.services.printing; startWhenNeeded && !stateless)
+        (lib.optionalString (with config.services.printing; startWhenNeeded && !stateless)
           "systemctl stop cups.service")
       ];
     };