Direct imaging system with addressable actuators on a...

Details Direct imaging system with addressable actuators on a... Direct imaging system with addressable actuators on a...

2011-01-11

2011-01-11

Porta, David P (Department: 2884)

Electrophotography

Image formation

Development

C399S252000, C399S279000, C399S281000, C399S286000, C399S319000

Reexamination Certificate

active

07869748

ABSTRACT:
Exemplary embodiments provide a direct imaging system and methods for direct marking an image using the system. The disclosed direct imaging system can eliminate the use of at least one of a charge, and/or exposure subsystems in an electrostatographic machine and related processes. Specifically, the direct imaging system can include a direct marking substrate (e.g., a printing substrate) and a development roll member closely spaced from the direct marking substrate. In one embodiment, the development roll member can include a plurality of actuator cells with each actuator cell controllably addressable to eject one or more toner particles adhered thereto. The ejected toner particles can transit the space between the donor roll member and the direct marking substrate, and thereby marking onto the direct marking substrate forming an image.

REFERENCES:
patent: 5523827 (1996-06-01), Snelling et al.
patent: 5809385 (1998-09-01), Snelling et al.
patent: 5965220 (1999-10-01), Schopping
patent: 6385429 (2002-05-01), Weber et al.
patent: 2006/0132787 (2006-06-01), Mestha et al.
Mestha et al., “Active Image State Control with Linear Distributed Actuators on Development Rolls”, U.S. Appl. No. 12/208,078, filed Sep. 10, 2008.
Mestha et al., “Addressable Actuators for a Digital Development System”, U.S. Appl. No. 12/208,103, filed Sep. 10, 2008.

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