Incremental printing of symbolic information – Ink jet – Controller
Patent
1996-05-30
1998-11-17
Wong, Peter S.
Incremental printing of symbolic information
Ink jet
Controller
347 16, B41J 25308, B41J 2938
Patent
active
058383387
ABSTRACT:
An adaptive media handling system is provided for an inkjet printing mechanism having a printhead that prints on media in a printzone. A motor drives a media advance mechanism to move the media through the printzone, where the media is held by a media support member adjacent the printhead. A spacing adjuster is operatively engaged by the motor to position the media support member for a selected spacing between the media and the printhead. Fresh media is picked from a supply container using a lifter member operatively engaged by the spacing adjuster. The spacing adjuster may be a dual-sided cam, with one side for spacing adjust and the other for media picking. Motor rotation of the spacing adjuster adjusts the printhead-to-media spacing to a selected value, for instance, to accommodate manufacturing tolerances, or in response to the type of media or the type of image being printed.
REFERENCES:
patent: 4306245 (1981-12-01), Kasugayama et al.
patent: 4927277 (1990-05-01), Niikawa
patent: 5192141 (1993-03-01), Chung et al.
patent: 5468076 (1995-11-01), Hirano et al.
patent: 5510815 (1996-04-01), Linder et al.
patent: 5557306 (1996-09-01), Fukushima et al.
Hewlett--Packard Company
Martin Flory L.
Patel Rajnikant B.
Wong Peter S.
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