Cartridge discriminating system

Details Cartridge discriminating system Cartridge discriminating system

1990-08-02

1993-02-02

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355203, G03G 1508

Patent

active

051841819

ABSTRACT:
The present invention relates to a system for making discriminations between cartridges for housing toners to be equipped on image forming apparatus such as electrostatic copiers, laser beam printers, facsimiles, etc. 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.

REFERENCES:
patent: 4660505 (1987-04-01), Goto et al.
patent: 4768055 (1988-08-01), Takamatsu et al.
patent: 4963939 (1990-10-01), Kurando et al.

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