Toner storing device and toner replenishing method and device
A technology for storing containers and toners, applied to instruments, electric recording technology using charge patterns, and equipment for electric recording technology using charge patterns. To save space and reduce costs
Inactive Publication Date: 2007-12-19
RICOH KK
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Problems solved by technology
[0006] However, it is well known that generally, the toner used in an electrophotographic image forming apparatus has very poor fluidity and is difficult to transfer.
Therefore, in the above-mentioned toner replenishing device, toner clogging tends to occur at the front end or in the middle of the above-mentioned suction pipe, and there is a problem that the toner cannot be replenished smoothly.
Method used
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Embodiment Construction
[0044] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0045]1 is a schematic diagram of a color laser printer as an example of an image forming apparatus incorporating a toner replenishing device according to the present invention. This color laser printer is configured by disposing a paper feeding unit 2 at the lower portion of a main body 1 and disposing an image forming unit 3 above it. The transfer belt device is arranged obliquely in the image forming section 3 so that the paper supply side is on the bottom and the paper discharge side is on the top. The above-mentioned transfer belt device includes an endless transfer belt 20, and the endless transfer belt 20 is stretched on several pulleys 22, and four pulleys 22 are provided in this embodiment. Along the upper moving edge 21 of the transfer belt 20, four image forming units 4M, 4C, 4Y, and 4BK for magenta (M), cyan (C), yellow (Y), and black (BK) a...
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The invention discloses a container for storing graphite powder. The container comprises: a vessel provided with an opening for discharging the graphite powder in the vessel and an opening arranged on the vessel body; a filter opposite to the opening to discharge the air in the vessel; an interface component arranged on the opening of the vessel. The interface component consists of an interrupter valve. A fixed nozzle arranged on the setting component of an imaging device goes through the interrupter valve into the vessel when the vessel is installed on the setting component; the opening is closed by the interrupter valve when the vessel is not installed on the setting component. Moreover, the invention also discloses a method for supplying graphite powder and a device for supplying the graphite powder stored in the container to the imaging device.
Description
[0001] This application is a divisional application of an invention patent application filed by Ricoh Co., Ltd. on February 16, 2001 to the China Patent Office. technical field [0002] The present invention relates to a toner storage container, a method of replenishing toner, and a toner supply device for supplying the toner stored in the toner storage container to a developing device. Background technique [0003] Conventionally, in image forming apparatuses such as printers, copiers, and facsimile machines, toner storage containers such as toner bottles or cartridges are arranged in or near components provided with developing devices, and the toner is directly or directly passed through the toner storage containers. The hopper replenishes the developing device. In this case, the transfer of the toner from the toner storage unit to the developing device is performed using a mechanical screw transport mechanism such as a screw or an agitator. [0004] However, when the ton...
Claims
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IPC IPC(8): G03G15/08G03G21/00G03G15/01G03G21/10
CPCG03G15/0865G03G15/0889
Inventor 柳泽孝昭佐藤真澄结城和彦小菅明朗小泽义则服部良雄中原知利藤森仰太村松智松本纯一
Owner RICOH KK