HP Designjet T2300 HP Designjet T2300e MFP - User's Guide: English - Page 96

Introduction, How colors are represented, A summary of the color management process, Color - colors matching

Page 96 highlights

Color management Introduction Your printer has been engineered with advanced hardware and software features to ensure predictable and dependable results. ● Color calibration for consistent colors. ● One gray and two black inks provide neutral grays on all paper types. ● The Photo Black ink provides pure blacks when printing on photo papers. ● Color emulation of other HP Designjet printers. How colors are represented All devices that display color use a color model to represent color in numerical terms. Most monitors use the RGB (Red-Green-Blue) color model, while most printers use the CMYK (Cyan-Magenta-YellowblacK) color model. An image can be converted from one color model to another, but in general the conversion is not perfect. Your printer uses the RGB color model: the same color model that is used by your monitor. This simplifies but does not completely solve the problem of matching colors. Each device represents colors a little differently from another device, even if they use the same color model. However, software can adjust the colors in an image according to the characteristics of the particular device, using a color profile of the device, in order to achieve correct colors. A summary of the color management process To get the accurate and consistent colors that you want, you should follow these steps for each paper type that you use. 1. Color-calibrate the paper type, for consistent colors. Calibration should be repeated every now and then (see Color calibration on page 88). In addition, you may wish to calibrate immediately before a particularly important print job for which color consistency is vital. 2. When printing, select the correct color preset for the paper type you are using. Color calibration Color calibration enables your printer to produce consistent colors with the particular printheads, inks and paper type that you are using, and under your particular environmental conditions. After color calibration, you can expect to get similar prints from any two different printers situated in different geographical locations. Some paper types cannot be calibrated. For all other paper types, calibration should be done in any of the following circumstances: ● Whenever a printhead is replaced ● Whenever a new paper type is introduced that has not yet been calibrated with the current set of printheads ● Whenever the environmental conditions (temperature and humidity) change significantly 88 Chapter 11 Color management ENWW

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Introduction
Your printer has been engineered with advanced hardware and software features to ensure predictable
and dependable results.
Color calibration for consistent colors.
One gray and two black inks provide neutral grays on all paper types.
The Photo Black ink provides pure blacks when printing on photo papers.
Color emulation of other HP Designjet printers.
How colors are represented
All devices that display color use a color model to represent color in numerical terms. Most monitors
use the RGB (Red-Green-Blue) color model, while most printers use the CMYK (Cyan-Magenta-Yellow-
blacK) color model.
An image can be converted from one color model to another, but in general the conversion is not
perfect. Your printer uses the RGB color model: the same color model that is used by your monitor.
This simplifies but does not completely solve the problem of matching colors. Each device represents
colors a little differently from another device, even if they use the same color model. However, software
can adjust the colors in an image according to the characteristics of the particular device, using a color
profile of the device, in order to achieve correct colors.
A summary of the color management process
To get the accurate and consistent colors that you want, you should follow these steps for each paper
type that you use.
1.
Color-calibrate the paper type, for consistent colors. Calibration should be repeated every now
and then (see
Color calibration
on page
88
). In addition, you may wish to calibrate
immediately before a particularly important print job for which color consistency is vital.
2.
When printing, select the correct color preset for the paper type you are using.
Color calibration
Color calibration enables your printer to produce consistent colors with the particular printheads, inks
and paper type that you are using, and under your particular environmental conditions. After color
calibration, you can expect to get similar prints from any two different printers situated in different
geographical locations.
Some paper types cannot be calibrated. For all other paper types, calibration should be done in any of
the following circumstances:
Whenever a printhead is replaced
Whenever a new paper type is introduced that has not yet been calibrated with the current set of
printheads
Whenever the environmental conditions (temperature and humidity) change significantly
88
Chapter 11
Color management
ENWW
Color management