Typewriting machines – Including adjustment for optimum printing plane – Responsive to thickness of record-medium
Reexamination Certificate
2006-02-28
2006-02-28
Hirshfeld, Andrew H. (Department: 2854)
Typewriting machines
Including adjustment for optimum printing plane
Responsive to thickness of record-medium
C400S058000, C400S703000, C347S049000
Reexamination Certificate
active
07004652
ABSTRACT:
A pagewidth drop on demand printer includes a printhead having an array of fixed printing nozzles thereon. A platen having a platen surface upon which a sheet rides to receive ink from the printing nozzles is situated alongside the nozzles. A sensor is provided to measure an offset of the print surface of the sheet with respect to the printing nozzles and means is provided effecting movement of the platen to alter the offset. This is typically done by making a compensatory rotation of the platen.
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Ghatt Dave A.
Hirshfeld Andrew H.
Silverbrook Research Pty Ltd
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