Patent ID: 6824243
Filing Date: 2004-11-30
Classification: B41J

Abstract:
A liquid jet print head capable of being installed in a liquid jet printing apparatus, comprising:a printing unit comprising (i) a printing device array having a plurality of nozzles for ejecting print liquid and a plurality of printing devices, and (ii) a supporting member, to which said printing device array is attached, having a print liquid flow path for supplying print liquid to said printing device array, said printing unit being adapted to be capable of sending electric signals for printing to said printing device array; and a print liquid storage unit connectable to said printing unit, said print liquid storage unit storing print liquid for said printing unit, wherein said supporting member is formed to define a reference plane for determining the amount of tilting of an array of said nozzles with respect to said supporting member when said printing device array is aligned and fixed at a predetermined position of said supporting member, and wherein said reference plane can be used as a reference for positioning when said print head is installed in said liquid jet printing apparatus.