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:
Jun. 06, 2017

Filed:

Mar. 02, 2016
Applicant:

Katsuya Akiba, Kanagawa, JP;

Inventor:

Katsuya Akiba, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/55 (2013.01); G03G 15/556 (2013.01); G03G 15/0877 (2013.01); G03G 15/0879 (2013.01);
Abstract

A control device drives a main driving device among driving devices each used to discharge recording material from a recording material container. A malfunction detector detects malfunction of the main driving device. When the malfunction detector has detected the malfunction, a recording material amount setting unit sets information indicating an amount of the recording material in the recording material container connected to the main driving device to a first value. A main driving device switching unit stops, when an amount of the recording material in the recording material container connected to the main driving device is the first value, driving the main driving device and then, when the driving devices other than the main driving device include one driving device having a recording material container connected thereto that contains a recording material an amount of which exceeds the first value, switches the main driving device to the one driving device.


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