Toner monitoring systems and methods

Details Toner monitoring systems and methods Toner monitoring systems and methods

2007-03-13

2007-03-13

Gray, David M. (Department: 2852)

Electrophotography

Control of electrophotography process

Of plural processes

C399S029000, C399S066000

Reexamination Certificate

active

11095794

ABSTRACT:
Embodiments herein generally relate to printing systems and methods that use toner and more particularly to a system and method that observes the distribution, for different levels of transfer field, of mass per area of toner remaining on the drum/belt as the drum/belt transfers the toner. The distribution is compared to predetermined standards and/or other networked printing systems to evaluate characteristics of the toner. Actuators can then be used to improve the toner characteristics resulting in improved print quality within a printing system and improved printing consistency between internally or externally networked printing systems and/or marking engines.

REFERENCES:
patent: 5559593 (1996-09-01), Yoshinaga et al.
patent: 2004117968 (2004-04-01), None

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