Systems and methods for improving belt motion and color...

Details Systems and methods for improving belt motion and color... Systems and methods for improving belt motion and color...

2006-10-16

2008-10-28

Brase, Sandra L (Department: 2852)

Electrophotography

Image formation

Photoconductive member

Reexamination Certificate

active

07444101

ABSTRACT:
A method and system of correcting a medium velocity error in a photoreceptor belt of an image forming device with a controller, including measuring a velocity error of the photoreceptor belt when the medium is used in the image forming device, the velocity error comprising a velocity error due to the image forming device dynamics and a velocity error due to torque disturbance on the photoreceptor belt, filtering high frequency velocity error from the measured velocity error, removing the velocity error due to the image forming device dynamics from the measured velocity error to produce a remaining velocity error, converting the remaining velocity error to torque disturbance, determining a correction factor on the basis of the torque disturbance, and correcting the medium velocity factor on the basis of the determined correction factor.

REFERENCES:
patent: 5325155 (1994-06-01), Perry
patent: 6941096 (2005-09-01), Matsuda et al.
patent: 7263314 (2007-08-01), Ueda et al.

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