×

Cartridge discriminating system

  • US 4,963,939 A
  • Filed: 09/21/1987
  • Issued: 10/16/1990
  • Est. Priority Date: 09/24/1986
  • Status: Expired due to Fees
First Claim
Patent Images

1. A cartridge discriminating system in which while a cartridge indicating means is provided on a part of a toner housing cartridge, an indication detecting means for detecting the aforementioned cartridge indicating means is provided on the image forming apparatus proper side, so that the suitability of the type or position of the cartridge inserted is detected by detecting the cartridge indicating means by the aforementioned detecting means, when the cartridge has been inserted into the cartridge inserting part of the image forming apparatus proper and wherein the cartridge indicating means is a magnetic card and the cartridge indication detecting means is a magnetic head.

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