Printing – Selective or progressive – Rotary machines
Patent
1994-06-30
1996-06-18
Burr, Edgar S.
Printing
Selective or progressive
Rotary machines
400 74, B41J 2938
Patent
active
055267416
ABSTRACT:
In a machine including structure for printing indicia on a sheet, and structure for feeding the sheet in a path of travel to the printing structure, wherein the feeding and printing structure each include a plurality of components, apparatus for accounting for malfunction conditions of the machine, the apparatus comprising, structure for controlling the machine, the controlling structure including a microprocessor, the controlling structure including a random access memory (RAM) and a non-volatile memory (NVM) respectively connected to the microprocessor, the microprocessor programmed for causing a plurality of desired movements of the respective components of the sheet feeding and printing structure and thus of a sheet in the path of travel, a plurality of sensors respectively connected to the microprocessor for sensing actual movements corresponding to the desired movements of the respective components of the sheet feeding and printing structure and of a sheet in the path of travel and providing signals to the microprocessor, the microprocessor programmed for determining whether the differences between corresponding desired and actual movements are acceptable, and the microprocessor programmed for storing data in both the RAM and NVM corresponding to malfunction conditions identifying respective unacceptable differences.
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Gallagher Dennis M.
Pfeifer Thomas M.
Schoonmaker Richard P.
Burr Edgar S.
Chaclas Angelo N.
Kelley Steven S.
Pitney Bowes Inc.
Scolnick Melvin J.
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