发明名称 Control apparatus of non-volatile memory and image forming apparatus
摘要 An apparatus has an external memory control apparatus for controlling rewriting of a memory. The external memory control apparatus allows the memory to store the number of formed monochromatic images and changes a rewriting frequency of the memory according to the number of formed monochromatic images.
申请公布号 US8995004(B2) 申请公布日期 2015.03.31
申请号 US201313926907 申请日期 2013.06.25
申请人 Canon Kabushiki Kaisha 发明人 Furukawa Hitoshi
分类号 G06F15/00;G06K1/00;G06K15/00;G06F12/02 主分类号 G06F15/00
代理机构 Fitzpatrick, Cella, Harper & Scinto 代理人 Fitzpatrick, Cella, Harper & Scinto
主权项 1. An image forming apparatus comprising: first and second image forming units, each detachable from the image forming apparatus and each having a memory, wherein an image is formed by one of a first mode, in which the image is formed by using the first and second image forming units, and a second mode, in which the image is formed by using the first image forming unit without using the second image forming unit; and a control unit configured to control a writing operation of the memories, wherein the control unit controls the writing operation of the memory of the second image forming unit to write first information regarding usage of the first image forming unit into the memory of the second image forming unit in the second mode, and wherein the control unit decreases a frequency of writing the first information regarding usage of the first image forming unit into the memory of the second image forming unit in the second mode according to the first information regarding usage of the first image forming unit.
地址 Tokyo JP