Back-transfer reduction in a tandem electrostatographic printer

Details Back-transfer reduction in a tandem electrostatographic printer Back-transfer reduction in a tandem electrostatographic printer

2006-03-21

2006-03-21

Grainger, Quana (Department: 2852)

Electrophotography

Control of electrophotography process

Control of developing

C399S296000

Reexamination Certificate

active

07016621

ABSTRACT:
In a color electrostatographic printer apparatus having a plurality of tandem stations for applying respective color separation toner images to a receiver member, and a clear toner station for providing a clear toner overcoat to a multicolor toner image formed by the respective color separation toner images on the receiver member, a controller is provided that selectively controls deposition of clear toner to the multicolor toner image so that greater amounts of clear toner are deposited in image areas of the multicolor toner image having relatively higher density color and relatively lesser amounts of clear toner, including no clear toner, are deposited upon image areas of the multicolor toner image having relatively lower density color.

REFERENCES:
patent: 5234783 (1993-08-01), Ng et al.
patent: 5926679 (1999-07-01), May et al.
patent: 6608641 (2003-08-01), Alexandrovich et al.

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