Digital printing is called direct-to-garment methods, essentially works just like your at-home desktop printer. You have a file on your computer and get sendt over the printer as reproducing photogaphic images.
Screen print is the more traditional form. We seperate the colours in your image and make individual stencils for each one of those colours. One after another to print the whole design.
Laser print is by utilizing the high energy density of the laser beam and controlling it via a computer, well designed patterns are transmitted to the laser machine through a software control system, and will be automatically printed on the jeans after recognized by the machine.