Media transport device with vacuum-controlled positioning

Details Media transport device with vacuum-controlled positioning Media transport device with vacuum-controlled positioning

2011-08-02

2011-08-02

McCullough, Michael (Department: 3653)

Sheet feeding or delivering

Feeding

By means to convey sheet

C271S196000

Reexamination Certificate

active

07988150

ABSTRACT:
A machine which transports and processes print media can incorporate a vacuum chamber. The vacuum chamber can be within a print media transport device in order to maintain a print medium at a uniform predetermined distance from a print media processing device, such as an image printing device (e.g., an inkjet printer), an image scanning device, or a spectrophotometer). In one embodiment the vacuum chamber is located within a roller that transports print media past the processing device. In another embodiment the vacuum chamber is located on an opposite side of a belt that transports print media past the processing device. In each of the embodiments the size of the vacuum chamber opening, which defines the vacuum area on the transport device, and also the amount of vacuum pressure may be selectively adjusted depending upon the size and weight, respectively, of the print medium being processed.

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