2. Product specifi cations and descriptions
2-21
Samsung Electronics
Service Manual
ML-331x/371x series
2.2.5 Hardware confi guration
The ML-331x series Electrical Circuit System consists of the following:
• Main Controller
• OPE Controller
• SCF(Option)
• SMPS
• HVPS
Diagram of the ML-331x Series Electrical Circuit
The Main Controller controls all modules required to print, that is, LSU, HVPS, SMPS, FAN, Fuser, etc.
The Main Controller receives print data from the host through network or USB Port. It takes this information
and generates printable video bitmap data. Engine and Video Controller are not separated.