Apparatus and method for automatically adjusting toner...

Details Apparatus and method for automatically adjusting toner... Apparatus and method for automatically adjusting toner...

2007-10-09

2007-10-09

Ngo, Hoang (Department: 2852)

Electrophotography

Diagnostics

Consumable

C399S028000, C399S061000

Reexamination Certificate

active

11251794

ABSTRACT:
An apparatus and method for automatically adjusting toner density in a color printer,. The apparatus includes a toner quantity adjusting module for reading remaining toner quantities from a plurality of cartridges, respectively, comparing a lowest level of the remaining toner quantities with a reference remaining quantity range to determine whether or not the lowest level is in the reference remaining quantity range, and applying a masking table, in which toner density matching the lowest level is set, to the remaining cartridges. Accordingly, toners can be fixed at the toner density matching the remaining toner quantity in the cartridges of the color printer so as to maintain optimum color density substantially equal to that of the original data, thereby providing a user with a printed material of desirable colors.

REFERENCES:
patent: 6871026 (2005-03-01), Shimura et al.
patent: 2004/0179856 (2004-09-01), Suzuki
patent: 2005/0063714 (2005-03-01), Kinoshita et al.

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