HP Color LaserJet 8550 Multifunction Printer series - Manual (Page 123)

122 5 Using Color EN
For example, if the circles in the neutral axes show a green tint and
the circle appears lighter than the background, the magenta ramp
should be examined closely to determine if magenta should be
increased.
Note If the color settings are less accurate when you finish the color
adjustment than when you started, reset all color values to
0 (zero) in
the printer control panel and try the adjustment again.
Overall Color of Circles
Correction if all Circles
are Darker than
Background Correction if all Circles
are Lighter than
Background
Cyan tint Reduce cyan Increase magenta and
yellow
Magenta tint Reduce magenta Increase cyan and yellow
Yellow tint Reduce yellow Increase magenta and
cyan
Green tint Reduce yellow and cyan Increase magenta
Red tint Reduce yellow and
magenta Increase cyan
Purple or blue tint Reduce cyan and
magenta Increase yellow