Patent ID: 7036896

Claim:
An apparatus to adjust a head gap in an inkjet printer having a carrier provided with a printer head which includes nozzles to jet ink, a chassis provided with side frames to support a carrier shaft and a guide rail to guide movements of the carrier, a carrier driving unit to move the carrier left and right along the carrier shaft, and a paper supply roller driving unit to drive a paper supply roller which supplies sheets of paper to be printed on, the apparatus comprising: a carrier ascent/descent unit to rotate the carrier shaft with respect to the carrier to ascend and descend the carrier in order to adjust a head gap between the nozzles of the printer head and a respective sheet of paper; a clutch unit to transfer a driving force of the paper supply roller driving unit to the carrier ascent/descent unit by the carrier which moves by the carrier driving unit upon the adjustment of the head gap; and a control unit to store an adjusted head gap state and to adjust a head gap position required based on the stored adjusted head gap state, wherein the clutch unit comprises: a clutch part to transfer or cut off the driving force of the paper supply roller driving unit to or from the carrier shaft; and an operation part to operate the clutch part to transfer the driving force of the paper supply roller driving unit to the carrier shaft.