The density setting of darkest Black
Please try [Sign & Display], [MAX Impact], [MAX Density U.S.] in [Queue * properties] > [Quality] > [Quality Settings]> [Color Management].
Or try the special color [RVW-BK22A] in [Roland Color System Library].
- Special color [RVW-BK22A] does not output K100%, but output density of C:35%, M:45%, Y:15%, K:95%.
- Refer to Selecting the Color Setting