Invention Grant
US08457529B2 Preemptive photoreceptor velocity modulation to minimize transient banding 有权
先兆感光体速度调制以最小化瞬态条带

Preemptive photoreceptor velocity modulation to minimize transient banding
Abstract:
Described herein is an exemplary method wherein the photoreceptor surface velocity is nominally set at a speed fractionally different than the intermediate belt (ITB) nominal surface speed. The photoreceptor speed can be preemptively altered through a velocity ramp profile whenever an event is scheduled to occur that will result in ITB transient vibration. As a result, the photoreceptor speed is not allowed to cross over or equal the belt speed at any instant during the transient event. This allows the photoreceptor to remain dynamically decoupled from the ITB, since the apparent disturbance torque imposed by the belt remains constant and does not reverse sign.
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