发明名称 Image forming apparatus including cartridge position detector
摘要 An image forming apparatus to which a plurality of process cartridges has a safety switch for detecting opening and closing of a front cover, stroke switches for detecting positions of the process cartridges, a display portion and a speaker for notifying a state of the process cartridge, and a control portion. The control portion has a cartridge information notifying function for, when closing of the front cover is detected by the safety switch and the process cartridge is not detected by the stroke switch, notifying information of the process cartridge. Further, the control portion has a cartridge information notifying function for notifying first notification information for replacing the process cartridge, a cartridge moving function for moving the process cartridge by a moving portion, and a cartridge information notification cancelling function for cancelling notification of the first notification information.
申请公布号 US9291988(B2) 申请公布日期 2016.03.22
申请号 US201414243121 申请日期 2014.04.02
申请人 SHARP KABUSHIKI KAISHA 发明人 Tenjiku Eiji;Ishiguro Yasuyuki;Kunihiro Hisashi;Nagahama Hitoshi
分类号 G03G15/00;G03G21/16;G03G21/18 主分类号 G03G15/00
代理机构 Keating & Bennett, LLP 代理人 Keating & Bennett, LLP
主权项 1. An image forming apparatus for forming an image on a recording medium by using toner contained in a cartridge, comprising: a plurality of cartridges, each of which contains toner; an attachment portion configured to contain the plurality of cartridges, each cartridge being disposed attachably and detachably; an opening and closing member, provided so as to be rotatable with respect to an apparatus main body, configured to open and close the attachment portion; a moving portion configured to move the cartridge to an image formation position in conjunction with an action of closing the opening and closing member; a control portion; a first detecting portion configured to detect the opening and closing member; a second detecting portion configured to detect presence and absence of the cartridge; and a notifying portion configured to notify a user that the cartridge is not attached appropriately, wherein the control portion is provided with a function of, when it is detected by the first detecting portion that the opening and closing member is closed and the cartridge is not detected by the second detecting portion, notifying the notifying portion of information of the cartridge, the control portion is provided with a function of, when it is detected by the first detecting portion that the opening and closing member is closed and the cartridge is not detected by the second detecting portion, not allowing driving of the image forming apparatus, the first detecting portion includes a safety switch of the image forming apparatus, the second detecting portion includes a detector configured to detect a position of the cartridge, and the notifying portion is a speaker configured to notify the user that the cartridge is not attached appropriately with sound.
地址 Osaka JP