For Rich or Super Blacks C70 M40 Y0 K100 This setting has no yellow because it tends to “surface” and give a slight yellowish-tint to the black.

For heatset and UV drying webs, use a C40 M30 Y10 K100
For “cold” web use a slightly lower saturation of C30 M20 Y10 K100
Some operators likes C60 M40 Y30 K100.

SUPER K1 = C70 M40 Y0 K100
SUPER K2 = C40 M30 Y10 K100
SUPER K3 = C30 M20 Y10 K100
SUPER K4 = C60 M40 Y30 K100
SUPER K5 = C60 M40 Y20 K100