Method and apparatus for charged area development printing with

Details Method and apparatus for charged area development printing with Method and apparatus for charged area development printing with

1991-03-05

1992-12-01

Fuller, Benjamin R.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

316107R, 316154, 316160, 358300, 358302, G01D 1514, G01D 900, H04N 129, H04N 123

Patent

active

051682834

ABSTRACT:
A printing system operating in a charged area development environmental utilizes a high resolution image print bar in cooperation with a low resolution image discharge bar to expose a charged surface of a photoreceptor with a minimum of stress being applied to the high resolution bar. The high resolution bar is addressed from an image data source so as to expose areas of the photoreceptor which correspond to informational areas of the image being printed. The low resolution bar is addressed from the same data source so as to discharge the photoreceptor surface in non-informational areas such as background areas and interimage areas. In a preferred embodiment, both the high and the low resolution bars are LED arrays located in a common exposure station.

REFERENCES:
patent: 4689694 (1987-08-01), Yoshida
patent: 4731673 (1988-03-01), Yamakawa
patent: 4801978 (1989-01-01), Lama et al.
patent: 4926200 (1990-05-01), Ohyama et al.
patent: 4952951 (1990-08-01), Kumasaka et al.

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