PRINTING SYSTEMS AND ASSOCIATED STRUCTURES AND METHODS HAVING INK DROP DEFLECTION COMPENSATION

    公开(公告)号:US20230339242A1

    公开(公告)日:2023-10-26

    申请号:US18342633

    申请日:2023-06-27

    IPC分类号: B41J11/06 B41J11/00

    CPC分类号: B41J11/06 B41J11/007

    摘要: A printing system having a vacuum transfer belt conveyor includes a fixed or movable perforated platen that supports workpieces, e.g., substrates, boards or other parts, to be printed. The printing system is configured to apply vacuum action through apertures or perforations defined through the perforated platen. In an embodiment, the print system is configured to mitigate deflection of ink drops, through the implementation of both a passive system, which reduces air flow in the region below the a print bar that includes one or more printheads, as well as an active system, which distributes the workpieces, e.g., substrates or boards, with respect to perforations in the transfer belt. In some embodiments, the perforated platen is comprised of a plurality of modular plates.

    Woodgrain suppression in inkjet printing

    公开(公告)号:US11667133B2

    公开(公告)日:2023-06-06

    申请号:US17501455

    申请日:2021-10-14

    IPC分类号: B41J2/215 B41J2/045

    摘要: The present embodiments relate to a printing apparatus capable of mitigating/preventing instances of turbulent deviation of ink jetted from print heads when printing onto a substrate, a severe form of which looks like woodgrain. The printing apparatus can include a jet plate that has a first width and that is disposed between the substrate and a series of print heads. The jet plate can also include a series of apertures formed in the jet plate that each correspond to one or more of the print heads, as well as a cutout portion at a first end of the jet plate that has a second width less than the first width.

    ASSESSING PRINTER QUALITY BY ASSIGNING QUALITY SCORES TO IMAGES

    公开(公告)号:US20230031416A1

    公开(公告)日:2023-02-02

    申请号:US17938730

    申请日:2022-10-07

    IPC分类号: G06T7/00

    摘要: Disclosed here is a system enabling users/customers to receive an objective assessment of the performance of a printer. This is accomplished by comparing a quality score of an earlier-in-time image with a quality score of a later-in-time image. A processor analyzes each image based on several criteria and uses various image-analysis methods, to flag errors within an image. A numeric quality score, based on the number of errors, is provided to the user to objectively evaluate whether the printer has degraded or not. Thus, the user can objectively present an argument to a salesperson or manufacturer that the user is due a remedy.