Method for transfer voltage adjustment and image forming apparatus using the same

A method for transfer voltage adjustment includes the steps of: forming first and second halftone reference patterns on the toner image support under first and second toner image forming conditions; transferring the first and second halftone reference patterns to the transfer element at the saturate...

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Bibliographic Details
Main Authors ISHI HIROSHI, IMAGAWA SHINJI
Format Patent
LanguageEnglish
Published 14.02.2008
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A method for transfer voltage adjustment includes the steps of: forming first and second halftone reference patterns on the toner image support under first and second toner image forming conditions; transferring the first and second halftone reference patterns to the transfer element at the saturated density with application of first and second saturated transfer voltages thereto; calculating first and second amounts of adhering toner of the first and second halftone reference patterns on the transfer elements; acquiring a saturated amount of adhering toner when a density-saturated reference pattern is transferred to the transfer element at the saturated density, from previously stored data; and setting up a saturated transfer voltage for realizing the saturated amount of adhering toner, based on the first and second saturated transfer voltages, the first and second amounts of adhering toner, and the saturated amount of adhering toner.
Bibliography:Application Number: US20070888785