IMPROVING MOTIONQUALITY OF TRANSFIX NIP USING MEDIA THICKNESS AND/OR SKEW FEEDFORWARD TO NIP MOTOR TORQUE

PROBLEM TO BE SOLVED: To provide a system that reduces velocity transients in a printing system caused by media entering a transfer nip.SOLUTION: A system comprises an imaging drum 12, a variable speed motor 42, a transfix roll, a transfix nip, a media transport, a thickness sensor, a skew sensor, a...

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Bibliographic Details
Main Authors JOHANES N M DEYOUNG, BARRY P MANDEL
Format Patent
LanguageEnglish
Published 29.09.2014
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To provide a system that reduces velocity transients in a printing system caused by media entering a transfer nip.SOLUTION: A system comprises an imaging drum 12, a variable speed motor 42, a transfix roll, a transfix nip, a media transport, a thickness sensor, a skew sensor, a media sensor, switching means, and a controller. Media thickness measurements 32 and/or media skew measurements 32 are used in a feedforward control scheme to increase the imaging drum torque when a media sensor 36 detects media immediately before the media is engaged with a transfer nip.
Bibliography:Application Number: JP20140032717