For cartoon render I think it can be interresting to add a self illu +30%, and add some luminosity in environnement light... (dsmax press 8 key ) I say that because dark shadow hurt your model. I found that on a member profil... click A This is very interresting, he gives this link too : click B (for the problem of shadows…
You work at High Moon? Your Technical Director Randy Stebbing, does seminars for Autodesk, he's in pretty tight with some of the guys over there. Make sure he knows. When he talks, they listen. More then likely he'll write you a script (or have someone else with 5min do it) to fix it for now. As well as pass it along to…