Method and apparatus for continuous high speed digital...

Details Method and apparatus for continuous high speed digital... Method and apparatus for continuous high speed digital...

2006-01-24

2006-01-24

Hirshfeld, Andrew H. (Department: 2854)

Typewriting machines

Sheet or web

For feeding plural record media concurrently or selectively

C400S582000, C400S124080

Reexamination Certificate

active

06988842

ABSTRACT:
A printing apparatus and method to for use in a continuous high velocity mail production system, preferably for printing postal indicia. A transport path conveys a series of mail pieces at a print velocity. At least two ink jet print heads are available to perform printing operations. During normal operation, only one print head is operating at a time. To allow continuous uninterrupted operation, when a first print head is removed from service for a maintenance operation, a second print head is automatically brought into service. Adjustments to the triggering of the print cycle are made to account for the different print heads at different locations.

REFERENCES:
patent: 5683190 (1997-11-01), Gawler
patent: 5829895 (1998-11-01), Hayashi et al.
patent: 6361163 (2002-03-01), Fowlkes
patent: 6607317 (2003-08-01), Morozumi et al.
patent: 410006583 (1998-01-01), None

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