Patent ID: 11890863
Assignee: XEROX CORPORATION
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A printing system, comprising:
an ink deposition assembly comprising a printhead arranged to eject a print fluid to a deposition region of the ink deposition assembly; and
a media transport assembly comprising:
a vacuum source,
a vacuum platen comprising platen holes fluidically coupled to corresponding platen channels, and
a movable support surface movable in a process direction,
wherein the media transport assembly is configured to hold a print medium against the movable support surface by vacuum suction communicated from the vacuum source through the platen holes and platen channels to transport the print medium through the deposition region, and
wherein at least some of the platen channels comprise a first region and a second region having a reduced open cross-sectional area relative to the first region, the second region being at a location between the first region and a platen hole fluidically coupled to the respective platen channel,
wherein the second region of a given platen channel of the at least some platen channels comprises an obstruction feature located in the given platen channel, and
wherein the obstruction feature comprises one or more of a fin array, a pin array, a mesh, a porous material, a wall with an aperture, a baffle, or any combination thereof.