Patent ID: 7384129

Claim:
An ink jet recording head comprising: three sets of nozzle arrays, wherein one of said sets is adjacent each of the other two sets, wherein at least two of said sets of nozzle arrays comprises a large nozzle away which includes first ejection outlets for ejecting ink and a small nozzle array which includes second ejection outlets for ejecting the ink, said small nozzle away being adjacent to said large nozzle array, and said second ejection outlets having an ejection outlet diameter smaller than that of said first ejection outlets, wherein yellow, magenta and cyan inks are ejected to effect recording by said sets of nozzle arrays when said ink jet recording head is moved in a main scanning direction at a position opposing a recording material which is moved in a sub scan direction, wherein in nozzle arrays formed by two adjacent sets of said three sets of nozzle arrays, a large nozzle array, two small nozzle arrays which are immediately adjacent to each other, and a large nozzle array are arranged in the listed order, in the main scanning direction, and wherein one of said two adjacent sets of nozzle arrays ejects the cyan ink, and the other of said two adjacent sets of nozzle arrays ejects the magenta ink.