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Toner control system for xerographic reproduction machine

  • US 4,969,011 A
  • Filed: 04/27/1989
  • Issued: 11/06/1990
  • Est. Priority Date: 04/27/1989
  • Status: Expired due to Term
First Claim
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1. In a document reproduction machine, a development system for developing an electrostatic latent image on a photoreceptor surface, the development system including, in combination,a developer housing adjacent said photoreceptor surface with means in said housing to bring developer from said housing into developing relation with said photoreceptor surface to develop said latent image,a toner cartridge adapted to periodically rotate and dispense a supply of toner into said developer housing, andtoner dispensing control means adapted to determine the total number of dispense cycles the cartridge has undergone and to weight the periodicity of said toner dispensing as a factor of the total number of dispense cycles.

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