A reusable cassette for containing and dispensing rolls of photosensitive film may be easily reloaded by the user. Load 17 is powered by a voltage source 11. Printing documents as original can be carried out for compensation, as a service, or by providing cartridges containing these inks to clients andor customers. The first and second outer layers may include first and second sheets that are bonded to one another in bonded portions and not bonded to one another in non-bonded portions such that the channels are defined by the non-bonded portions.