Solution
Adjust the levels of yellow, magenta, cyan, or black.
⋖Copy⋗ ⋖Other Settings⋗
⋖Color Balance⋗
Select the color, and adjust the color level
⋖Apply⋗
Example: If you want to make a copy with colors that more closely match the original
Example: If you want to make a copy with brighter colors than the original
Caution
If you select ⋖Fine Adjust⋗, you can adjust the levels of the three density areas for each color.