Patent ID: 7883202
Filing Date: 2011-02-08
Classification: B41J

Abstract:
1. An image-forming device comprising: a recording unit having a plurality of recording elements provided at a predetermined pitch in a subscanning direction, the recording unit is configured to move in a main scanning direction orthogonal to the subscanning direction, the plurality of recording elements is configured to form a dot on a recording medium, respectively, the recording medium having an edge extending in the subscanning direction, the predetermined pitch corresponding to a predetermined resolution; a conveying unit that conveys the recording medium in the subscanning direction by a predetermined distance every time the recording unit moves in the main scanning direction; a control unit that sequentially selects a first distance n times (wherein n is a natural number) as the predetermined distance, and selects a second distance as the predetermined distance after the n times of selection of the first distance, the second distance being longer than the first distance; and a detecting unit that detects the edge, which is extending in the subscanning direction, of the recording medium during image recording by the recording unit at a timing between a conveyance of the recording medium by the second distance and a subsequent conveyance of the recording medium, wherein the detecting unit does not detect the edge of the recording medium during an interval between a conveyance of the recording medium by the first distance and a subsequent conveyance of the recording medium.