Patent ID: 9469129
Filing Date: 2016-10-18
CPC Classification: B26D,B41J,B65H

Claim Text:
1. A printing method comprising: performing a first printing so as to alternately arrange first image areas and first non-image area on a first surface of a continuous sheet being conveyed by a conveying unit, wherein a first mark is formed in each of the first non-image areas; detecting each of the first marks with a sensor unit; obtaining with a correction factor for the conveying unit regarding a conveyance error at a time of conveying the continuous sheet in the respective first image areas, based on a measured conveyance amount in response to a detection of the respective first marks with the sensor unit and a theoretical conveyance amount; updating the correction factor by multiplying a previous correction factor by a new correction factor each time the new correction factor is obtained in the respective first image areas; performing a second printing on a second surface of the continuous sheet, which is a back side of the first surface, while controlling the conveying unit for conveying the continuous sheet based on the correction factor obtained in performing the first printing, so as to alternately arrange second image and second non-image areas on the second surface, wherein a second mark for cutting is formed in each of the second non-image areas; and cutting the continuous sheet with a cutter so as to cut off each of the second image areas in response to detection of the respective second marks formed on the second surface.