Supply accessory for a printing machine with hidden identifier

Details Supply accessory for a printing machine with hidden identifier Supply accessory for a printing machine with hidden identifier

1995-03-24

1996-04-23

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

355200, 355210, 222DIG1, G03G 1506

Patent

active

055108849

ABSTRACT:
A customer-replaceable supply accessory for a page printer, such as a toner cartridge or liquid-ink supply, includes a conductor which interacts with connectors within the printer to ensure proper installation of a given type of accessory. The conductor is exposed only within cavities on the accessory which receive springably-mounted extendible members. The extendible members serve to secure the accessory in position within the printer. The conductor is generally not apparent from the outside of the accessory.

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patent: 4873549 (1989-10-01), Tada et al.
patent: 4961088 (1990-10-01), Gilliland et al.
patent: 5021828 (1991-06-01), Yamaguchi et al.
patent: 5138373 (1992-08-01), Hoyer
patent: 5177529 (1993-01-01), Scholl et al.
patent: 5208631 (1993-05-01), Jacobs et al.
patent: 5220385 (1993-06-01), Surti
patent: 5235351 (1993-08-01), Koizumi
patent: 5289242 (1994-02-01), Christensen et al.

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