Fitzpatrick, Cella, Harper & Scinto
Method and apparatus for determining consumed amount of recording material
An output apparatus includes a cartridge which contains a recording material. A detector is provided in the apparatus for detecting the remaining amount of the recording material in the cartridge. A controller is provided in the apparatus for storing the cumulative consumed amount of the recording material in a non-volatile memory unit. Thus, the remaining amount of the recording material is determined.
Canon Kabushiki Kaisha
B
B41J
inventional
Kiyohiro Yutaka Akio Hideyuki Takeshi Shigeki Shuji Kunio
Tsunekawa Murakami Sugaya Kitani Utsunomiya Hirooka Ozawa Okada