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Image receiving sheet inversion sensing techniques

  • US 5,196,868 A
  • Filed: 04/28/1992
  • Issued: 03/23/1993
  • Est. Priority Date: 04/28/1992
  • Status: Expired due to Term
First Claim
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1. A method of ensuring that an image receiving sheet having only one major surface thereof formed with an image receiving coating is properly oriented for printing an image thereon comprising the steps of:

  • (a) forming an irregularity along at least one nominally straight edge of the image receiving sheet at a predetermined location relative to the one major surface having the image receiving coating thereon;

    (b) sensing a presence or an absence of the irregularity at the predetermined location prior to the image being imposed on the image receiving sheet; and

    (c) selectively preventing the image from being imposed on the image receiving sheet when the absence of the irregularity is sensed.

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