A handheld mobile image-sensing device comprising: a support structure; an image sensor positioned on the support structure for sensing an image; a display positioned on the support structure and operatively connected to the image sensor for displaying the image sensed by the image sensor; a printing mechanism positioned on the support structure and operatively connected to the image sensor to print the image sensed by the image sensor; a slot formed in an outer surface of the device, the slot being configured to receive print media in the form of cards to be printed on by the printing mechanism, wherein the cards have a width between 48 mm and 58 mm, and a length between 80 mm and 90 mm.