Patent ID: 7798606

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 the plurality of recording heads in the module; and a carriage for mounting the plurality of recording-head modules, wherein the carriage includes a module-position adjustment mechanism for adjusting positions of the plurality of recording-head modules on a fitting surface of the carriage, wherein the module-position adjustment mechanism includes a plurality of taper pins protruding from the fitting surface of the carriage and each of the plurality of taper pins comprises a tapered portion, and the tapered portion is in contact with an engaging portion provided on a side surface of a corresponding one of the recording-head modules to shift a position of the recording-head module 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, and 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 a plurality of recording heads to and from the carriage.