Patent ID: 8251479
Filing Date: 2012-08-28
Classification: B41J

Abstract:
1. A printing apparatus comprising: a printing head; a roller configured to convey a print medium in a conveyance direction, where a longitudinal direction of the roller crosses the conveyance direction, and the roller is provided over a usable width of the print medium; a forming unit configured to form a first test pattern and a second test pattern side by side, where the first test pattern is configured to detect a conveying error of the roller corresponding to a first zone relatively away from a predetermined position of the roller in the longitudinal direction, and the second test pattern is configured to detect a conveying error of the roller corresponding to a second zone relatively close to the predetermined position of the roller in the longitudinal direction; an acquisition unit configured to: a conveying control unit configured to control the conveyance of the print medium with the roller by applying the first correction value when a width of the print medium to be conveyed, in the longitudinal direction, is larger than a predetermined width, and by applying the second correction value when the width of the print medium is smaller than the predetermined width.