Color printing image bearing member color registration system
AssigneeXerox Corporation
InventorsMark A. Omelchenko, Robert M. Lofthus, Daniel W. Costanza, Olga Y. Ramirez
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AssigneeXerox Corporation
InventorsMark A. Omelchenko, Robert M. Lofthus, Daniel W. Costanza, Olga Y. Ramirez
Estimating the term…
In color printing with a color registration system for the registration of plural color images on an image bearing surface, such as a photoreceptor belt of a color printer, registration marks are imaged on the image bearing surface, which registration marks correspond to the color images and are sensed by a registration marks sensor. The system first automatically images first registration marks, preferably “Z” targets, which provide wider initial misregistration latitude for the sensor for gross registration. When an initial registration is achieved, the system automatically switches to imaging second registration marks, preferably chevron targets, providing higher registration accuracy for the sensor. These registration targets may be generated along opposite sides of the image area on opposite sides of the photoreceptor or other belt.
In a method of plural color printing with a color registration system for the registration of plural color images on an image bearing surface using plural registration marks imaged on said image bearing surface, which said registration marks correspond to the positions of respective said color images on said image bearing surface, and which registration marks are sensed by a registration marks sensor for detecting the positions of said registration marks on said image bearing surface, said registration marks sensor having a limited misregistration latitude, the improvement wherein;
In a plural color reproduction apparatus with a color registration system for the registration of plural color images on an image bearing surface, which color registration system generates plural registration marks imaged on said image bearing surface corresponding to the positions of said color images, and further including at least one registration marks sensor for detecting the positions of said registration marks on said image bearing surface, the improvement wherein:
Dependencies are inferred from the claim text.