Electrophotographic copier with a capability of automatically se

Details Electrophotographic copier with a capability of automatically se Electrophotographic copier with a capability of automatically se

Filed on

1989-03-02

Date issued

1990-03-27

Examiner

Prescott, A. C.

Patent Class

Photocopying

SubClass

Contact printing

SubSubClass

Light boxes

Other Related Categories

355214, 355251, G03G 1506

Type

Patent

Status

active

Patent number

049125125

Description

ABSTRACT:
An electrophotographic copier selectively operable with various kinds of toner automatically sets up optimum copy process conditions for any particular characteristic of toner to be used when a toner cartridge is replaced. The copy process conditions are changed upon the lapse of a predetermined delay time after the replacement of a toner cartridge. When an old toner cartridge mounted on the copier is replaced with a new toner cartridge which stores toner of a kind that should not be mixed with toner stored in the former, the copier identifies the new toner cartridge and produces an alarm to inhibit the replacement.

REFERENCES:
patent: 4666290 (1987-05-01), Yoshiura
patent: 4692018 (1987-09-01), Tamura
patent: 4708455 (1987-11-01), Kubota et al.
patent: 4739367 (1988-04-01), Watanabe et al.
patent: 4803521 (1989-02-01), Honda

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