Patent ID: 6345782
Filing Date: 2002-02-12
Classification: B41J

Abstract:
A printer for printing on a roll of paper, comprising;a roll paper holder having an opening for loading the roll of paper; a cover supported on said roll paper holder movable between a first position in which said cover covers said opening and a second position in which said cover exposes the opening; a feed roller; a first gear which is attached to said cover together with said feed roller and coupled to said feed roller; a first gear train including a second gear mounted on said roll paper holder; a motor to rotationally drive said feed roller via said first gear train, wherein said first gear is engaged with said second gear when said cover is in the first position, wherein said first gear is disengaged from said second gear when said cover is in the second position, wherein said first gear is arranged to rotate relative to said second gear when said cover is in the first position, and wherein said second gear rotates in a first direction to advance said roll paper when driven by said motor, a controller to set said second gear to a rotatable state so as to rotate in a second direction opposite the first direction when said cover is moved from the first position to the second position.