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EN Using Color Modes (Color LaserJet, 5, 5M, DeskJet) B-15
Short Form of CID Command (Configure
Image Data)
The Short Form of the CID command involves sending just the
common 6-byte header. By changing the value of byte 0 (color
space), the short form can specify the following five color spaces:
The following data ranges are allowed in CIE L*a*b*. Hue is
preserved when out-of-range data is clipped.
L* = 0.0 to 100.0
a* = –100.0 to 100.0
b* = –100.0 to 100.0
Note CIE L*a*b* color space support is at HP Color LaserJet level for
HP Color LaserJet 5 and 5M printers.
• Colorimetric RGB (SMPTE RGB)
?*v6W[0x02, . . . ]
Non-linear SMPTE RGB with a 2.2 gamma and 1.0 gain is the default
Colorimetric RGB color space. The short form allows the following
ranges:
R = 0.0 to 1.0
G = 0.0 to 1.0
B = 0.0 to 1.0
Note HP Color LaserJet 5 and 5M printers bypass the Colorimetric RGB
process. In place of it, a device-dependent RGB process is
substituted with a Screen Match color table.
•Device RGB
?*v6W[0x00, . . . ]
•Device CMY
?*v6W[0x01, . . . ]
• CIE L*a*b*
?*v6W[0x03, . . . ]