Patent ID: 8002387

Claim:
An inkjet recording apparatus for recording an image by jetting inks in a plurality of colors, comprising: a plurality of recording-head modules for jetting inks in the plurality of colors, wherein each of the plurality of recording-head modules includes a head-position adjustment mechanism for adjusting positions of a plurality of recording heads in the module and a module base for mounting the plurality of recording heads; and a carriage for mounting the plurality of recording-head modules, wherein each recording-head module includes a plurality of recording heads for jetting ink in the same color and constructs a unit capable of integrally attaching and detaching the plurality of recording heads to and from the carriage, and the head-position adjustment mechanism adjusts the positions of the respective recording heads on the module base, wherein each head-position adjustment mechanism includes taper pins protruding from the module base and having a tapered portion, and the tapered portion of each taper pin is in contact with an engaging portion provided on a side surface of a corresponding one of the recording heads to shift the position of the recording head in a direction perpendicular to a protruding direction of the taper pin, according to a contact position of the tapered portion at which the engaging portion contacts.