HP Color 9850mfp HP Color 9850mfp CMYK Plus - User Guide - Page 8

Simulate a well-defined press like SWOP Specification for Web Offset Publications. Colors are - driver

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Until now, only three options have been available when working with CMYK files: ■ Simulate a well-defined press like SWOP (Specification for Web Offset Publications). Colors are correct, but since these standards are designed for a wide range of printers, the colors are dull when compared to the full capabilities of the HP Color 9850mfp printer. ■ Print in the native color space of the printer. This makes colors very saturated, but incorrect. ■ Open the file and edit colors to improve the appearance of the overall image. This is timeconsuming and expensive. The HP Color 9850mfp provides a fourth option: ■ HP CMYK Plus re-renders press CMYK data, allowing direct CMYK-to-CMYK (4-to-4) mapping. This method maintains press hues and K-channel, adapts lightness range, increases colorfulness, and scales chroma in a non-linear fashion from press to output digital device to take advantage of the full-color gamut. HP CMYK Plus is not a rendering intent, but is implemented as an ICC device link profile. NOTE HP CMYK Plus works with untagged (unknown) CMYK data prepared for a variety of offset press standards. However, if you print a document with embedded profiles, HP CMYK Plus will ignore the profiles and link the device to the CMYK color data. This is done to incorporate the HP CMYK Plus effect during printing without the need to modify the document file. NOTE HP CMYK Plus works only on CMYK workflows, so it does not work on the PCL driver. 2 1 Overview of HP CMYK Plus

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Until now, only three options have been available when working with CMYK files:
■
Simulate a well-defined press like SWOP (Specification for Web Offset Publications). Colors are
correct, but since these standards are designed for a wide range of printers, the colors are dull
when compared to the full capabilities of the HP Color 9850mfp printer.
■
Print in the native color space of the printer. This makes colors very saturated, but incorrect.
■
Open the file and edit colors to improve the appearance of the overall image. This is time-
consuming and expensive.
The HP Color 9850mfp provides a fourth option:
■
HP CMYK Plus re-renders press CMYK data, allowing direct CMYK-to-CMYK (4-to-4) mapping.
This method maintains press hues and K-channel, adapts lightness range, increases
colorfulness, and scales chroma in a non-linear fashion from press to output digital device to take
advantage of the full-color gamut.
HP CMYK Plus is not a rendering intent, but is implemented as an ICC device link profile.
NOTE
HP CMYK Plus works with untagged (unknown) CMYK data prepared for a variety of
offset press standards. However, if you print a document with embedded profiles, HP CMYK
Plus will ignore the profiles and link the device to the CMYK color data. This is done to
incorporate the HP CMYK Plus effect during printing without the need to modify the document
file.
NOTE
HP CMYK Plus works only on CMYK workflows, so it does not work on the PCL driver.
2
1
Overview of HP CMYK Plus