Patent ID: 8608281

Claim:
A paper printing method for a line printer that prints on paper using a head unit having a plurality of line printheads disposed at a specific interval along a conveyance direction of the paper, the method comprising: a printhead moving step that advances the head unit in the conveyance direction from a predetermined first position on a paper conveyance path to a second position; and performing either a first printing step that prints on the paper while moving the head unit in the reverse of the conveyance direction relative to the paper; or a second printing step that prints on the paper while conveying the paper in the conveyance direction relative to the head unit stopped at the second position, wherein at the second position, the line printhead that is the last of the line printheads of the head unit in the conveyance direction is positioned with respect to the paper (i) at a start printing position of a print job on the paper, or (ii) forward of the start printing position in the conveyance direction.