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:
Feb. 12, 2002

Filed:

Nov. 06, 2000
Applicant:
Inventor:

Kazushige Morihara, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/508 ; G03G 1/501 ;
U.S. Cl.
CPC ...
G03G 1/508 ; G03G 1/501 ;
Abstract

There is provided a toner supply method in a picture image forming system having a plurality of picture image forming parts, each of which is designed to supply a toner from a toner cartridge to a developing part, the toner supply method having the steps of: detecting a cartridge empty when the level of the toner in the toner cartridge of any one of the picture image forming parts becomes an empty level; introducing a toner, which remains in the toner cartridge of each of the plurality of picture image forming parts, from the toner cartridge of a corresponding one of the plurality of picture image forming parts into a reserve tank portion, which is provided so as to correspond to each of the toner cartridges for housing therein a predetermined quantity of toner, when the cartridge empty is detected in any one of the picture image forming parts; detecting a toner empty when the level of the toner in the developing part becomes an empty level in any one of the picture image forming parts; and inspiring to replace all of the toner cartridges, for which a cartridge empty has been detected, with new cartridges when the toner empty is detected in any one of the picture image forming parts.


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