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image forming device

An image and nozzle technology, applied in the field of image forming devices, can solve problems such as complex composition, and achieve the effect of convenient position determination

Inactive Publication Date: 2015-10-21
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, in the structure disclosed in the above-mentioned Patent Document 1, the print head is held to determine the position of the printing carriage through the position determination surface and the position determination pin, so its structure is relatively complicated.

Method used

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Examples

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Embodiment Construction

[0030] Hereinafter, embodiments of the present invention will be described with reference to the drawings. For an example of the image forming apparatus according to the present invention, refer to figure 1 and figure 2 to illustrate. figure 1 Shown is a perspective explanatory view of the overall configuration of the recording device, figure 2 Shown is a perspective explanatory view of the scanning mechanism part of the printing carriage.

[0031] This image forming apparatus is a serial type (serial) inkjet recording apparatus, and includes an apparatus main body 1 and a support table 2 for supporting the recording apparatus main body 1 .

[0032] In the interior of the device body 1, guide rods 3 and guide supports 4 as guide components are erected on the side plates not shown in the figure, and the printing carriage 5 is slidably held in these guide rods 3 and guide supports 4. Stay in the direction of arrow A.

[0033] A recording head 6 constituted by a liquid eje...

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Abstract

The invention provides an image forming apparatus, which aims to solve the problem that a jet nozzle cannot be replaced and positioned accurately at the same time in the prior art. The image forming apparatus comprises a jet nozzle holder (51A, 51B) used for holding a recording jet nozzle (6), a printing cart (5) used for holding nozzles (51A, 51B). The printing cart (5) can be moved along a guide part (3) in the main scanning direction. A reference shaft part (71) in the same direction with the guide part (3) is arranged in the printing cart (5). The jet nozzle holder (51A, 51B) can be detechably inside the reference shaft part (71) to be held through a hook part (53) and then is pressurized through a holding and pressurizing mechanism (80), so as to be pressed inside the reference shaft part (71) while being pressurized adjustably by an adjusting mechanism (85) of the holding and pressurizing mechanism (80).

Description

technical field [0001] The present invention relates to an image forming apparatus. Background technique [0002] As an image forming apparatus such as a printer, a facsimile machine, a copier, a plotter, or their complex machines, it is known to use, for example, a liquid ejection head (droplet ejection head) that ejects liquid droplets as a recording head. An inkjet recording device of an image forming apparatus of a liquid ejection recording method. [0003] However, when image formation is performed in image forming apparatuses of different liquid ejection methods, the impact accuracy of liquid droplets ejected from the nozzles has a great influence on image quality, and when the impact accuracy of liquid droplets is poor, the image quality will decrease, so it is necessary to determine the position of the recording nozzle with high precision. [0004] On the other hand, it is necessary to easily replace the head in the user's use environment where ejection failure or ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/135B41J2/01
Inventor 杂贺聪一
Owner RICOH KK
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