gdimon.dll is a GDIMon
belonging to Mita LDC//Ti 800 Duplex Series Printer Driver
from Mita Industrial CO.,LTD.
Non-system processes like gdimon.dll originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues.