Printer dynamically monitoring printer environment...

Details Printer dynamically monitoring printer environment... Printer dynamically monitoring printer environment...

2007-01-12

2010-06-01

Royer, William J (Department: 2852)

Electrophotography

Internal machine environment

C399S092000, C399S098000

Reexamination Certificate

active

07729633

ABSTRACT:
An printer, such as a state of the art a high performance, electro-photographic printer. The printer includes at least one smart material sensor enclosed in the printer enclosure that monitors for the presence of a contaminant (e.g., toner or developer) above a selected threshold. Each smart material sensor is coupled to a control unit by a sensor driver coupling. When a smart material sensor finds that a contaminant is present the control unit may indicate the finding on a printer display and/or change operating mode.

REFERENCES:
patent: 4114557 (1978-09-01), De Brey
patent: 4474472 (1984-10-01), Winter
patent: 5056355 (1991-10-01), Hepher
patent: 6628907 (2003-09-01), Dinca et al.
patent: 2004/0259267 (2004-12-01), Gundel
patent: 2654736 (1976-12-01), None

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