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image forming device

An image and developing device technology, which is applied in the direction of electric recording process applying charge pattern, equipment and apparatus of electric recording process applying electric charge pattern, etc. The effect of accurate toner consumption

Active Publication Date: 2021-08-06
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that the toner consumption amounts of the two toner containers cannot be accurately calculated separately at the confluent portion

Method used

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Embodiment Construction

[0019] Next, the image forming apparatus 10 according to one embodiment of the present invention will be described in detail based on the drawings. In this embodiment, a tandem color printer is exemplified as an example of an image forming apparatus. The image forming apparatus may be, for example, a copier, a facsimile machine, a multifunction machine thereof, or the like. In addition, the image forming apparatus may be a printer, a copier, or the like that forms monochrome (black and white) images.

[0020] figure 1 is a cross-sectional view showing the internal structure of the image forming apparatus 10 . The image forming apparatus 10 includes an apparatus main body 11 having a box-shaped housing structure. Installed in the apparatus main body 11 is a paper feed unit 12 for supplying sheets P, an image forming unit 13 for forming a toner image to be transferred onto the sheet P supplied from the paper feed unit 12 , the toner The intermediate transfer unit 14 to which...

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PUM

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Abstract

The present invention provides an image forming apparatus including a developing device, a first toner container, a second toner container, a drive control unit, and a consumption calculation unit. The drive control unit performs a first replenishment state in which toner is supplied from the first toner container to the developing device and a toner replenishment state from the second toner container to the developing device in response to a toner replenishment request from the developing device. Toggle between the second replenishment states of . The consumption calculation unit calculates the toner consumption of the first toner container and the second toner container by calculating the flow rates of the toner flowing through the first horizontal transport unit and the second horizontal transport unit respectively. quantity. Accordingly, a toner supply system is provided in which the toner discharged from the plurality of toner containers is combined and supplied to the developing device, and the toner consumption amount of each toner container can be accurately calculated.

Description

technical field [0001] The present invention relates to an image forming apparatus that forms an image on a sheet. Background technique [0002] Conventionally, image forming devices such as printers and copiers using electrophotography include: a photosensitive drum carrying an electrostatic latent image; a developing device that supplies toner to the photosensitive drum to make the electrostatic latent image appear as a toner image; A transfer device that transfers the toner image from the photosensitive drum to the sheet. [0003] In addition, there is known an image forming apparatus that includes a plurality of developing devices corresponding to color toners of each color. In this image forming apparatus, two toner containers for supplying replenishment toner to each developing device are arranged. . Even when one of the toner containers becomes empty, toner can be replenished from the other toner container, thus shortening the forced stop time (unprintable time) of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/08G03G15/00G03G21/16
CPCG03G15/0891G03G15/0856G03G15/556G03G21/1647G03G15/0867G03G15/0879G03G21/1676
Inventor 曾田智久
Owner KYOCERA DOCUMENT SOLUTIONS INC
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