Image forming apparatus and image forming method
An image and vacant technology, which is applied to the electrical recording process using the charge pattern, the equipment of the electric recording process using the charge pattern, and the electrography, etc., can solve the problem of the reduction of the life of the photoreceptor
Inactive Publication Date: 2011-11-09
KK TOSHIBA +1
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[0005] Therefore, after it is determined that the toner in the developing device is empty, even if the toner cartridge is empty of toner and the power is turned off without replacing the toner cartridge, forced toner replenishment is performed, resulting in unnecessary The life of the photoreceptor is shortened due to the replenishment action
In addition, when returning from the sleep mode (power saving mode), the forced toner replenishment is performed again, and the printing operation is stopped due to the unnecessary replenishment operation, so the user needs to wait for the operation.
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[0015] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in detail, an example of which is illustrated with the accompanying drawings.
[0016] figure 1 As an example of the image forming apparatus according to the present embodiment, a configuration diagram of an image forming apparatus that is a 4-series serial color printer is shown. Such as figure 1 As shown, along the transport direction (arrow direction) of the intermediate transfer belt 10, there are arranged: a secondary transfer roller 11 for transferring the image on the intermediate transfer belt 10 on the transfer medium 12, and yellow, Image forming units 20Y, 20M, 20C, and 20K for red, cyan, and black.
[0017] The image forming units 20Y, 20M, 20C, and 20K include photoconductors 21Y, 21M, 21C, and 21K as image carriers. Also, around each photoreceptor are: chargers 22Y, 22M, 22C, and 22K as charging means; developing rollers, etc., as developing members,...
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An image forming apparatus and an image forming method. The image forming apparatus includes an image forming unit including a developing device, a toner cartridge to supply toner to the developing device, a toner remaining amount sensor to detect a toner remaining amount in the developing device, a toner use amount detection mechanism to detect a parameter value for obtaining a use amount of toner, a first memory which is provided in the toner cartridge and to which a threshold of the parameter indicating a near empty state is previously inputted, and a control mechanism which determines necessity of a forcible toner supply operation based on a comparison between the detected parameter value and the threshold, and the toner remaining amount detected by the toner remaining amount sensor, and controls the image forming unit.
Description
[0001] References to related applications [0002] This application is based upon and claims the benefit of priority from US Provisional Application No. 61 / 327879, filed April 26, 2010, which is incorporated herein by reference in its entirety. technical field [0003] Embodiments of the present invention relate to an image forming apparatus and an image forming method. Background technique [0004] Generally, in an electrophotographic image forming apparatus, a remaining toner sensor is arranged in a developing device. Once the toner empty information in the developing device is obtained by the toner remaining amount sensor and the toner empty is determined, forced toner replenishment is performed by the toner cartridge when warming up is performed after the power is turned on. [0005] Therefore, after it is determined that the toner in the developing device is empty, even if the toner cartridge is empty of toner and the power is turned off without replacing the toner car...
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IPC IPC(8): G03G15/08G03G15/00
CPCG03G2221/1823G03G15/0832G03G15/553G03G15/0831G03G15/556G03G15/0856G03G15/0863G03G15/0865G03G15/0855
Inventor 阿岛久延
Owner KK TOSHIBA