Patent ID: 7033095

Claim:
A printing process comprising the steps of: providing a printing paper comprising a center portion having a rectangular form having two pairs of opposite sides connected by four corners, and a pair of outside portions connected to the center portion at one pair of the two pairs of opposite sides of the center portion, wherein the outside portions are edge portions of the printing paper and are removed from the center portion after an image is formed on the center portion, wherein the other pair of the two pairs of opposite sides of the center portion are not connected to any other printing paper, wherein the center portion has a curved edge smoothly connecting adjacent sides of the center portion at four corners, and the outside portions are connected to the center portion solely via a straight line portion located between the curved edges and are removed from the center portion at the straight line portion, and wherein the outside portions are connected to only one center portion; conveying the printing paper by nipping one of the outside portions of the printing paper with a pair of conveyor rollers; conducting printing on the center portion of the printing paper; and cutting off the outside portions of the printing paper from the center portion, wherein the outside portions are provided so that the pair of conveyer rollers hold the printing paper without releasing the printing paper until the printing is completed, and wherein the printing can be conducted over the whole surface of the center portion even if the printing paper is conveyed to a print head with either one of the pair of outside portions as a leading edge.