In an earlier thread I gave you a relatively easy way to achieve that - curve blending.
>It wasn't until I tried a print made with demo version Colorbyte ImagePrint that I realised just how warm my ABW looks which had put me on a mission to try and work out why.
All the ABW prints that I've seen from a 3880 using the allegedly neutral toning setting have been cool rather than warm. Perhaps your printer is different, although if IP results in neutral prints then perhaps not.