HP Color LaserJet 8550 Multifunction Printer series - Manual (Page 114)

EN Controlling Color Output with Printer Drivers 113
Automatic PANTONE ® Matching
The printer has a PANTONE Spot Name color matching utility.
PANTONE has certified the printer and has mapped the PANTONE
Spot Color names to the printer’s CMYK values. This color matching
utility uses the certified mapping to provide the best PANTONE color
matching for the printer.
For the color matching utility to function, applications must pass the
PANTONE names to the printer. Some applications substitute CMYK
values to the printer if they cannot provide PANTONE names. If your
application does not pass the PANTONE names to the printer, then
the utility will be bypassed and color matching will depend on proper
ink emulation. Selection of the proper ink emulation depends on the
source of the palette (SWOP (Standard Web Offset Printing),
EuroStandard, DIC, or None). The palette used for obtaining
PANTONE CMYK values and the driver emulation mode setting
should match.
CMYK Ink Set Emulation
You can select a CMYK ink emulation (SWOP, EuroStandard, DIC, or
None - no emulation, device CMYK) from the dropdown menu to
provide output similar to an offset press ink set. If color management
is active in an application or OS, the ink emulation selected must be
the same as when the printer was profiled.