Method and apparatus for reducing transferred background toner

Details Method and apparatus for reducing transferred background toner Method and apparatus for reducing transferred background toner

1994-11-30

1996-11-26

Dang, Thu A.

Photocopying

Contact printing

Light boxes

355219, G03G 1500

Patent

active

055790895

ABSTRACT:
In a multi-color imaging apparatus utilizing a recharge step between two image creation steps for conditioning a charge retentive surface pursuant to forming the second of the two images, a corona generating device is used to both charge the toned and untoned areas of the charge retentive surface, and to keep wrong-charge toner developed in the background areas at a charge level distinct from the toner developed in the image areas, so that the wrong-charge background toner does not transfer to a support substrate with the image.

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patent: 5208636 (1993-05-01), Rees et al.
patent: 5241356 (1993-08-01), Bray et al.
patent: 5258820 (1993-11-01), Tabb
patent: 5438401 (1995-08-01), Murayama et al.

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