REGISTERING DEVICE OF PRINTER AND METHOD FOR REGISTERING PRINTER

PROBLEM TO BE SOLVED: To provide a registering device of printer which can make a correct registering of printing positions in a twisting direction and a method for registering a printer. SOLUTION: A camera 31 for image photographing photographs an image of a first register mark printed on printing paper by a printing part and also, photographs an image of a second register mark printed by the printing part in a position apart from the first register mark in the conveying direction of the printing paper. To describe in detail, the second register mark comes to a position in the right/left direction of the printing paper where the camera 31 for image photographing can photograph an image based on a position where the first register mark has been image photographed. In addition, the camera 31 for image photographing makes a photographing of an image of the second register mark in the same position as the first register mark. Further, register regulators 51, 54, 55 and 56 can regulate the position of a pictorial pattern printed by the printing part, referring to the position of the image photographed first register mark and the position of the image photographed second register mark. COPYRIGHT: (C)2011,JPO&INPIT