Airflow control via airflow zones in vacuum plenum of a printing system, and related devices, systems, and methods

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United States of America Patent

PATENT NO 11738574
APP PUB NO 20220314653A1
SERIAL NO

17218887

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Abstract

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A printing system comprises a printhead to eject a print fluid to a deposition region. Print media are held against a movable support surface via vacuum suction, and the movable support surface transports the print media through the deposition region. A vacuum plenum comprises a vacuum platen over which the movable support surface moves. The vacuum platen has platen holes that communicate the vacuum suction from the vacuum plenum to the movable support surface. An airflow restriction mechanism forms a high impedance zone in the vacuum platen, the high impedance zone comprising a subset of the platen holes. The airflow impedance through the high impedance zone is relatively high compared to the airflow impedance through another subset of the platen holes, which are part of a low impedance zone. The high impedance zone may be located near the printhead to reduce airflow through uncovered platen holes near the printhead.

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Patent Owner(s)

  • XEROX CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Herrmann, Douglas K Webster, US 230 618
LeFevre, Jason M Penfield, US 159 209
Liu, Chu-Heng Penfield, US 259 1462
McConville, Paul J Webster, US 186 616
Praharaj, Seemit Webster, US 118 42

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