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Method and apparatus for printing on both sides of a substrate

  • US 5,815,783 A
  • Filed: 09/09/1996
  • Issued: 09/29/1998
  • Est. Priority Date: 12/06/1989
  • Status: Expired due to Term
First Claim
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1. A method of printing images on two sides of a substrate comprising:

  • (a) forming a first image on a first surface;

    (b transferring the first image to a second surface from the first surface;

    (c) forming a second image on the first surface;

    (d) transferring the second image to a third surface from the first surface; and

    (e) simultaneously transferring the first and second images from the second and third surfaces to the two sides of a substrate,wherein at least one of the first and second images comprises a multicolor image formed of a plurality of monochrome images and wherein the plurality of monochrome images are formed separately on the first surface and transferred sequentially to the third surface.

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