Dewalt DW077KD T Self Leveling Rotary Laser Combo Kit With Free Tripodconsist Of DW077KD And DW0736 P... "calibrate spectra level" Questions

...a handy fix it kind of guy and would like to know how do I fix a cone error on my Spectra Precision LL500 plain laser , as I have calibrate it but have a difference of 4mm from the A axis to the B ...