1. An image registration system for accurately producing an image onto an oversized media substrate in a large scale printer comprising: a rail support track; a printing zone; a platen cart moveable along said rail support track through said printing zone; and an image capturing apparatus and an image processing system for capturing a position of said media substrate on said platen cart and relaying said position to said printing zone, wherein said printing zone makes positional adjustments to accommodate said position in order to ensure accurate image on media substrate reproduction.