Update

guix-config/channels-lock.scm

@@ -3,7 +3,7 @@
         (url "https://git.guix.gnu.org/guix.git")
         (branch "master")
         (commit
-          "04ad78093a9076c47c16f725dfb0b6a20d6f6676")
+          "4bfe5cdf144183df08e7ac0e1c1acb7366e24bcf")
         (introduction
           (make-channel-introduction
             "9edb3f66fd807b096b48283debdcddccfea34bad"

guix-config/system/base-system.scm

@@ -1,6 +1,7 @@
 (define-module (guix-config system base-system)
   #:use-module (gnu)
   #:use-module (gnu services dbus)
+  #:use-module (gnu packages cups)
   #:use-module (guix)
   #:export (base-system))
 
@@ -54,8 +55,11 @@
                  ;; To configure OpenSSH, pass an 'openssh-configuration'
                  ;; record as a second argument to 'service' below.
                  (service openssh-service-type)
-                 (service cups-service-type)
-		 (service gnome-keyring-service-type)
+                 (service cups-service-type
+			  (cups-configuration
+			   (web-interface? #t)
+			   (extensions
+			    (list cups-filters epson-inkjet-printer-escpr hplip-minimal))))
 		 (service bluetooth-service-type)
 		 (service power-profiles-daemon-service-type)
 		 (simple-service 'my-polkit-wheel polkit-service-type (list my-polkit-wheel))