Patent ID: 8449071
Filing Date: 2013-05-28
Classification: B41J

Abstract:
1. An image forming apparatus comprising: a common array base member; and plural head modules each formed of a module base member and plural heads configured to discharge liquid droplets in a liquid droplet discharging direction and arranged in an array on the module base member, the plural head modules being attached on the common array base member, wherein for each particular head module amongst the plural head modules, the particular head module and the common array base member are disposed one on the other, in a layered manner, in the liquid droplet discharging direction, the plural head modules are arranged in an array in a paper transfer direction that is perpendicular to a longitudinal direction of each of said head modules; the heads of at least two of the head modules discharge liquid droplets of the same color; and the at least two of the head modules are positioned relative to a same reference point provided by a reference member on the common array base member.