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Image forming apparatus

An image and external device technology, applied in the direction of image communication, electrical recording technology using charge graphics, equipment using electrical recording technology using charge graphics, etc., can solve the problems of multiple toners, difficult printing cost settings, consumption, etc.

Inactive Publication Date: 2007-04-04
KK TOSHIBA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in a photographic image, all colors except those of achromatic color (black) are replaced by the specified color, the image becomes a black / specified color mixed image, and external visibility is significantly reduced
Also, in the case of photo images, more toner is generally consumed, and it is difficult to set the printing cost to a lower level in such two-color printing

Method used

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Examples

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Embodiment Construction

[0012] An embodiment of the present invention will be described below with reference to the accompanying drawings.

[0013] FIG. 1 is a view schematically showing a network arrangement related to an embodiment. The MFP 1 is connected to a personal computer (PC) 3 via a network 2 .

[0014] FIG. 2 is a view schematically showing the system arrangement of the MFP 1 . As shown in Figure 2, the MFP includes: a controller 11, a control panel portion 12, a scanning portion 13, a scanning system image processing portion 14, a page memory portion 15, a printing system image processing portion 16, a printing portion 17, a storage portion 18, an electronic A data preparation unit 19 , a facsimile (FAX) controller unit 20 , a printer controller unit 21 , and an external interface (I / F) 22 . By being thus arranged, the MFP 1 can have a copy function, a printer function, a scanner function, a facsimile function, and a storage function, etc.

[0015] The controller 11 includes a CPU, a m...

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PUM

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Abstract

An image forming apparatus includes a color print section configured to make a color printing and a changing section configured to, when color data is printed by the color printer section, allow changing to a subtractive color printing or not according to attribute information.

Description

technical field [0001] The present invention relates to an image forming apparatus for performing subtractive color printing. Background technique [0002] A known method is to use preset designated colors and black alone when printing input data from an external device (for example, PC) by a digital color compound machine (hereinafter, referred to as MFP) or a color printer. . For example, when the designated color is blue, the colors contained in the input data are all converted to blue and black is printed in black. At this time, magenta, cyan, and black toners are used and yellow toner is not used. Therefore, it is possible to reduce the consumption of yellow toner and set the printing cost to a lower level. If such two-color printing is done, any precise color information on the document will be lost when data such as characters, line drawings, etc. are printed. However, it is possible to obtain printed objects with accented colors. Hereinafter, this printing metho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/00
CPCH04N2201/326H04N1/46
Inventor 奥山博幸
Owner KK TOSHIBA
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