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.
Patent No.:
Date of Patent:
Sep. 15, 1998
Filed:
Aug. 28, 1997
Fumihiro Ueno, Mishima, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In a printer having a toner cartridge drum in which a toner cartridge of each of yellow, magenta, cyan, and black is detachably provided, when the toner cartridge is exchanged by opening a door of the printer and, further, opening a cartridge door, in case of opening and subsequently closing the toner cartridge door, a cartridge change mode is set, and in case of closing the door of the printer, an initial operation of the printer is not immediately performed but the cartridge drum is driven and the cartridge to be exchanged is moved to a taking-out position. When the cartridge change mode is not set, in case of closing the door of the printer, the initial operation of the printer is executed.