Did you delete the configuration in xorg.conf before you tried? Section "InputDevice" Identifier "Tablet0" Driver "wizardpen" Option "Device" "/dev/input/event6" Option "TopX" "2650" Option "TopY" "3563" Option "TopZ" "10 Option "BottomX" "30733" Option "BottomY" "29715" Option "BottomZ" "511" EndSection
Did you delete the configuration in xorg.conf before you tried?
Section "InputDevice"
Identifier "Tablet0"
Driver "wizardpen"
Option "Device" "/dev/input/event6"
Option "TopX" "2650"
Option "TopY" "3563"
Option "TopZ" "10
Option "BottomX" "30733"
Option "BottomY" "29715"
Option "BottomZ" "511"
EndSection