Image forming apparatus
An image and attracting device technology, applied in stacking receiving devices, electrical recording technology using charge patterns, and equipment using electrical recording technology using charge patterns, etc., can solve problems such as temperature drop, temperature difference, and high temperature, etc. Achieve the effect of suppressing temperature difference and suppressing temperature rise
Active Publication Date: 2017-02-15
RICOH KK
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Problems solved by technology
However, since the image forming apparatus having the above-mentioned suction device exhausts air from one side outside in the width direction of the paper conveyance path, in the width direction in the paper conveyance path, air is discharged from the end portion on the side where the suction device is not provided. Beginning towards the end of the side where the suction device is provided creates a temperature gradient that becomes high temperature
Then, there is a temperature difference between the ends in the width direction, and when trying to sufficiently lower the temperature of the air that becomes high temperature and is installed on the side of the suction device, the temperature is originally the lowest on the side where the suction device is not installed. The temperature will drop excessively
Method used
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[0014] Hereinafter, an embodiment of an electrophotographic copier (hereinafter simply referred to as "copier 100") will be described as an image forming apparatus to which the present invention is applied. In this embodiment, a monochrome image forming apparatus is described as an example of the copier 100 , but the present invention is also applicable to a known color image forming apparatus. In addition, although the copier 100 is a desktop compact image forming apparatus, the present invention can also be applied to a relatively large image forming apparatus placed on the floor.
[0015] figure 2 Shown is a schematic configuration diagram of the entire copying machine 100 according to this embodiment. In the copier 100 , a document reading device 2 is provided on the upper surface of a printing unit 1 that performs image formation, and a document pressing plate 3 is provided thereon. In addition, in the lower part of the printing part 1, there is a figure 2 The paper ...
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The invention provides an image forming apparatus which can restrain the increase of temperature of an accommodating part which discharges a recording medium and can restrain the temperature difference of the recording medium in the width direction of the conveying path. The image forming apparatus includes an image forming mechanism including a fixing device (17) to fix an image on the sheet, a casing (19) to accommodate the image forming mechanism, a sheet discharging port (180) through which the sheet having the image formed through the image forming mechanism is discharged from the casing, and a discharged sheet accommodating part (20) for accommodating the sheet output through the sheet discharging port. The discharged sheet accommodating part is surrounded by outer walls including an outer wall having the sheet discharging port, and is arranged in a space of the apparatus body and with an opening on one side, a copying machine (100) is provided with an air suction fan (42), an air guide opening disposed within a sheet passing range in a width direction of the recording medium in a sheet conveying path through which the sheet passes to the sheet discharging port, and the air suction fan discharges air passing through the air guide opening (45) to an outside of the casing.
Description
technical field [0001] The present invention relates to an image forming apparatus. Background technique [0002] Conventionally, as an electrophotographic image forming apparatus, a configuration in which paper on which an image is formed by an image forming unit inside a housing is discharged from a paper discharge port to a paper discharge unit outside the housing is adopted as a paper discharge unit. It is an internal paper discharge unit provided in the body of the device main body (Patent Document 1, etc.). [0003] As an image forming apparatus using the above-mentioned internal paper discharge unit, it is generally known to provide a suction device on one side wall on the outer side in the width direction of the paper conveyance path between the fixing unit and the paper discharge port to suck the paper conveyance path. The air inside is exhausted to the outside. [0004] In the image forming apparatus having the above-mentioned suction device, it is possible to su...
Claims
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Login to View More IPC IPC(8): G03G15/00
CPCG03G15/6552G03G15/6555B65H29/14B65H29/52B65H31/02B65H2301/5144B65H2301/5305B65H2404/6111G03G21/206B65H1/00
Inventor 小松崎宽央北川修
Owner RICOH KK