Image forming device having replacement units mounted thereto

Details Image forming device having replacement units mounted thereto Image forming device having replacement units mounted thereto

2007-02-06

2007-02-06

Ngo, Hoang (Department: 2852)

Electrophotography

Diagnostics

Unit or part identification

C399S027000, C399S111000, C399S081000

Reexamination Certificate

active

11022989

ABSTRACT:
With an image forming device, with respect to a set image density S (default mode), the modes of: increasing or decreasing the variation amount (slope) of the set image density in accordance with a usage amount of a developing device (m1, m2); increasing or decreasing the limit value (m1, m2); changing the initial value (usage amount=0); not changing the setting in accordance with the usage amount (m4); and changing, for example, the initial value but not changing the setting in accordance with the usage amount (m5); etc., are provided as operation modes that differ from an operation mode accommodating a genuine product and are enabled to be selected by a user when a toner cartridge containing a toner that is a product other than a genuine product is mounted.

REFERENCES:
patent: 2003/0063914 (2003-04-01), Masuda et al.
patent: 06-169051 (1994-06-01), None
patent: 2602341 (1997-01-01), None
patent: 10-133528 (1998-05-01), None
patent: 2001-100598 (2001-04-01), None
patent: 3476704 (2003-09-01), None

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