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e-STUDIO281c/351c/451c
Cautions after the completion of the adjustment
The adjustment may possibly change the hue of the text and image, such as a photo image, on the printout.
Therefore, carefully perform the adjustment, while checking the printout.
Remarks
To check the definition of black text
When creating a PDF file, 100% black may not be defined as follows, depending on the application settings:
"100% black" indicates the following values:
• RGB data: RGB = 0%
• CMYK data: CMY = 0%, K = 100%
As a result, text, which should be defined as 100% black on the application, is not defined as 100% black on
the saved PDF file. (A few percent of color data is defined.) Eventually, all toner colors (C, M, Y and K)
will be used to print it.
If printing is performed with PCL5c, print data is captured as RGB data. If black text is defined as 100%
black (CMY=0, K = 100) for CMYK data on a PDF file, it will not be converted into 100% black (RGB
= 0%) for RGB data on Acrobat, and it will be printed in colors. (It is recommended to print CMYK data on
the PS3 printer driver instead of the PCL5c printer driver.)
Use "Output Preview" on Acrobat 7.0 Professional to examine the color definition on the PDF file.
* For further information regarding the Output Preview, refer to an appropriate manual or the Help menu of
Acrobat 7.0 Professional.
3. Printer-specific Adjustments
3.13