The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 22, 2011

Filed:

Nov. 04, 2008
Applicant:

Young-kak Lim, Gunpo-si, KR;

Inventor:

Young-kak Lim, Gunpo-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image forming apparatus and a developer level calculating method of the same. The image forming apparatus includes a developing unit which includes a developing roller to provide the developer onto a photosensitive body, a developing sensor to sense a developer level, and a supplying roller to supply the developer to the developing roller; a developer bottle which supplies the developer to the developing unit; and a controller which calculates a number of first printing dots of the developing unit, converts the amount of the developer supplied from the developer bottle sensed by the developer sensor into a number of second printing dots, calculates a number of third printing dots on the basis of the number of the first printing dots and the second printing dots, and calculates total developer level of the developer bottle on the basis of the number of the third printing dots.


Find Patent Forward Citations

Loading…