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:
Aug. 27, 1996

Filed:

May. 10, 1993
Applicant:
Inventor:

Hiroyuki Tadokoro, Hitachi, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C06K / ;
U.S. Cl.
CPC ...
395113 ; 395108 ;
Abstract

The color printer of the present invention includes a memory for storing latest history information of a print-out means, a controller for judging the worn conditions of expendable members on the basis of the history information and for generating maintenance information image data wherein expendable members which are before the exchange time and expendable members which are after the exchange time are sorted in different colors, and an operator panel for printing the maintenance information image data on a recording medium in color by the print-out means. According to the present invention, maintenance information necessary for performing maintenance and inspection or for exchanging expendable members can be outputted in a color image form which is color-coded quite obviously.


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