Apparatus and method of adjusting a head gap in an inkjet...

Details Apparatus and method of adjusting a head gap in an inkjet... Apparatus and method of adjusting a head gap in an inkjet...

2006-05-02

2006-05-02

Shah, Manish (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S101000

Reexamination Certificate

active

07036896

ABSTRACT:
An apparatus and method of adjusting a head gap in an inkjet printer includes a carrier ascent/descent unit to rotate a carrier shaft having ends of which are in an eccentric cam shape to ascend and descend the carrier. The apparatus also includes a clutch unit to transfer a driving force of the paper supply roller driving unit to the carrier shaft by the carrier in order to rotate the carrier ascent/descent 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 head gap state. Accordingly, the present invention may automatically adjust the head gap according to a thickness of a sheet of paper to be printed on by using a driving force of a carrier driving unit and the driving force of the paper supply roller driving unit without using an extra driving motor and head gap sensor.

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patent: 5678936 (1997-10-01), Hino
patent: 5838338 (1998-11-01), Olson
patent: 04161369 (1992-06-01), None
patent: 08142442 (1996-06-01), None

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