Why won't this steam press close all the way?

How to say “Why won't this steam press close all the way?” in Japanese

In Japanese

このスチームプレス機(き)、なんで最後(さいご)まで閉(し)まらないの？

Kono suchīmu puresuki, nande saigo made shimaranai no?

Why won't this steam press close all the way? in other languages