Image forming apparatus

一种图像、开始位置的技术，应用在打印装置、印刷、轮转印刷机等方向，能够解决印刷品质下降等问题，达到抑制颜色偏移的效果

Active Publication Date: 2017-08-04
COPYER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of the indirect printing method, if the transfer medium on which the color shift occurs is transferred to the printing medium, the printing quality of the image transferred to the transfer medium will deteriorate.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0054] Hereinafter, an embodiment in which the present invention is applied to a printing device that prints and records characters and images on a card (recording medium) and records magnetic or electrical information on the card will be described.

[0055] 1. Structure

[0056] 1-1. System structure

[0057] Such as figure 1 as well as Figure 12 As shown, the printing apparatus 1 of this embodiment constitutes a part of the printing system 200 . That is, the printing system 200 is basically composed of a high-level device 201 (for example, a host computer such as a personal computer) and the printing device 1 .

[0058] The printing device 1 is connected to a high-level device 201 via an interface (not shown), and can transmit image data, magnetic or electrical recording data, etc. from the high-level device 201 to the printing device 1 to instruct a recording operation or the like. In addition, the printing apparatus 1 has an operation panel unit (operation display unit)...

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PUM

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Abstract

In order to provide an image forming apparatus which can reduce color deviation at the time of forming an image on a medium, the present printing apparatus comprises an image forming unit which forms an image by superimposing images, each formed with corresponding color of ink, on a transfer film (46) while heating a thermal head (40), a film conveying device which conveys a transfer film (46), a sensor (Se1) which detects a stretch of the transfer film (46) occurring due to heating with the thermal head (40), a controller which controls the image forming unit to change a line cycle of the thermal head (40) in accordance with a stretch of the transfer film (46) detected by the sensor (Se1).

Description

technical field [0001] The present invention relates to an image forming apparatus, and more particularly, to an image forming apparatus that forms an image on a medium using an ink ribbon having inks of a plurality of colors. Background technique [0002] Conventionally, image forming apparatuses for forming images on transfer media such as transfer films and image carriers and printing media such as cards, sheets, and tubes are widely known. In such an image forming apparatus, for example, an indirect printing method that uses an ink ribbon to form an image (mirror image) on a transfer medium, and then transfers the image formed on the transfer medium to a printing medium, or uses an ink ribbon A direct printing method that directly forms an image on a printing medium. [0003] In such an image forming apparatus, color printing is generally performed to generate a color image by superimposing images formed with inks of a plurality of colors. That is, according to the inp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/325B41F16/00B41J11/00B41J17/00B41J2/32B41F19/00
CPCB41F16/0073B41F19/007B41J2/32B41J2/325B41J11/00B41J11/0095B41J17/00B41P2217/50B41J11/42B41J15/16
Inventor 相原裕一
Owner COPYER
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