Patent ID: 7262786

Claim:
A method of aligning images for a thermal imaging device, the method comprising: (a) picking up a thermal imaging medium that has a first surface and a second surface on which printing operations may be performed respectively from a medium container, and feeding an edge of the medium a first distance from a heating element of a thermal printhead to a printing path; (b) forming an image on the first surface of the medium while moving the medium through the printing path; (c) rotating the thermal printhead to face the thermal printhead toward the second surface of the medium; (d) feeding the edge of the medium the first distance from the heating element; (e) forming an image on the second surface of the medium while feeding the medium through the printing path, and (f) measuring a distance between an edge detection sensor that is attached at the thermal printhead and the edge of the medium to make the first distances in step (a) and step (d) substantially equal.