×

METHODS AND APPARATUS FOR DETERMINING TONER LEVEL IN ELECTRO-PHOTOGRAPHIC PRINT ENGINES

  • US 20060197970A1
  • Filed: 05/18/2006
  • Published: 09/07/2006
  • Est. Priority Date: 08/07/1995
  • Status: Abandoned Application
First Claim
Patent Images

1. A method for determining toner usage by a designated printing device for a document comprising a page, the method comprising:

  • accumulating toner values of pixels that are ON in the page, which toner values have a plurality of different values between completely OFF to completely ON;

    comparing the accumulated toner values of pixels that are ON to a predetermined toner usage for a defined number of pixels that are completely ON in a reference page that was generated on the designated printing device, and which predetermined toner usage incorporates the characteristics of the designated printing device on which the document is to be printed; and

    calculating the amount of toner utilized by the page as a proportion of that used by the reference page.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×