The invention relates generally to a technique for precision assembly and more particularly to a method and apparatus for accurately positioning scan line generating optics relative to an intended scan line receiving {TAIL ~ target medium}; and, in particular to an improved method of locating a drop in {HEAD ~ optics module} for a laser scanner or the like 
The invention relates generally to a technique for precision assembly and more particularly to a method and apparatus for accurately positioning scan line generating optics relative to an intended scan line receiving { TAIL ~ target medium } ; and , in particular to an improved method of locating a drop in { HEAD ~ optics module } for a laser scanner or the like
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