diff -ru hplip-2.7.12.old/data/rules/55-hpmud.rules hplip-2.7.12/data/rules/55-hpmud.rules
--- hplip-2.7.12.old/data/rules/55-hpmud.rules	2008-02-11 12:30:25 +0300
+++ hplip-2.7.12/data/rules/55-hpmud.rules	2008-02-11 12:34:11 +0300
@@ -1,21 +1,21 @@
 # Udev rules file for HP printer products.
 
 ACTION!="add", GOTO="hpmud_rules_end"
-SUBSYSTEM=="ppdev", OWNER="lp", GROUP="lp", MODE="0666"
+#SUBSYSTEM=="ppdev", OWNER="lp", GROUP="lp", MODE="0664", SYMLINK+="hplip/$attr{manufacturer}-$attr{serial}"
 SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", GOTO="pid_test"
 SUBSYSTEM!="usb_device", GOTO="hpmud_rules_end"
 
 LABEL="pid_test"
 
 # Check for AiO products (0x03f0xx11).
-SYSFS{idVendor}=="03f0", SYSFS{idProduct}=="??11", OWNER="root", GROUP="lp", MODE="0666"
+SYSFS{idVendor}=="03f0", SYSFS{idProduct}=="??11", OWNER="lp", GROUP="lp", MODE="0664", SYMLINK+="hplip/$attr{manufacturer}-$attr{serial}"
 # Check for Photosmart products (0x03f0xx02).
-SYSFS{idVendor}=="03f0", SYSFS{idProduct}=="??02", OWNER="root", GROUP="lp", MODE="0666"
+SYSFS{idVendor}=="03f0", SYSFS{idProduct}=="??02", OWNER="lp", GROUP="lp", MODE="0664", SYMLINK+="hplip/$attr{manufacturer}-$attr{serial}"
 # Check for Business Inkjet products (0x03f0xx12).
-SYSFS{idVendor}=="03f0", SYSFS{idProduct}=="??12", OWNER="root", GROUP="lp", MODE="0666"
+SYSFS{idVendor}=="03f0", SYSFS{idProduct}=="??12", OWNER="lp", GROUP="lp", MODE="0664", SYMLINK+="hplip/$attr{manufacturer}-$attr{serial}"
 # Check for Deskjet products (0x03f0xx04).
-SYSFS{idVendor}=="03f0", SYSFS{idProduct}=="??04", OWNER="root", GROUP="lp", MODE="0666"
+SYSFS{idVendor}=="03f0", SYSFS{idProduct}=="??04", OWNER="lp", GROUP="lp", MODE="0664", SYMLINK+="hplip/$attr{manufacturer}-$attr{serial}"
 # Check for LaserJet products (0x03f0xx17).
-SYSFS{idVendor}=="03f0", SYSFS{idProduct}=="??17", OWNER="root", GROUP="lp", MODE="0666"
+SYSFS{idVendor}=="03f0", SYSFS{idProduct}=="??17", OWNER="lp", GROUP="lp", MODE="0664", SYMLINK+="hplip/$attr{manufacturer}-$attr{serial}"
 
 LABEL="hpmud_rules_end"