C7085-90921 Chapter 7 Troubleshooting 247
color language for monitors, input devices (scanners, digital cameras), and output devices
(printers, plotters). It is the default color space used for HP products, Microsoft operating
oystems, the World Wide Web, and most office software sold today. sRGB is representative of
the typical Windows computer monitor today and the convergence standard for High-Definition
Tel evis ion.
Note Factors such as the type of monitor you use and the room’s lighting can affect the appearance of colors
on your screen.
The latest versions of Adobe PhotoShop, CorelDRAW™, Microsoft Office, and many other
applications use sRGB to communicate color. Most importantly, as the default color space in
Microsoft Operating Systems, sRGB has gained broad adoption as a means to exchange color
information between applications and devices using a common definition that ensures typical users
will experience greatly improved color matching. sRGB combined with HP ColorSmart II improves
the user's ability to match colors between the printer, the computer monitor, and other input devices
(scanner, digital camera) automatically.
Vivid enhances the saturation of the printed colors to produce a vivid color appearance. For
more information, see your printer driver online Help.
Matching colors
The process of matching printer output color to your monitor is quite complex because printers and
computer monitors use different methods of producing color. Monitors display colors by light pixels
using an RGB (red, green, blue) color process, but printers print colors using a CMYK (cyan,
magenta, yellow, and black) process.
Several factors can influence your ability to match printed colors to those on your monitor. These
factors include:
Print media
Printer colorants (inks or toners for example)
Printing process (inkjet, press or laser technology for example)
Overhead lighting
Personal differences in perception of color
Software applications
Printer drivers
PC operating system
Monitors
Video cards and drivers
For most users, the best method for matching colors on your screen to your printer is to print sRGB
colors. The HP Color LaserJet 4550 uses HP ColorSmart II, which uses sRGB and automatically
optimizes color output. Keep in mind the above factors when colors on your screen do not perfectly
match your printed colors.
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