Kyocera FS C5020N - Color LED Printer Service Manual page 173

2-2-1 Electrical parts layout
(1) Main frame and controller box
CONTROLLER BOX
1. Main controller PWB .................................... Controls the software such as the print data processing and provides the
2. Engine controller PWB................................. Controls printer hardware such as high voltage/bias output control, paper
3. Power supply PWB ...................................... Generates 3.3 V DC, 5V DC and 24 V DC power source.
4. LED print heads relay PWB ......................... Consists the LED print head control circuit and wiring relay circuit
5. Engine relay PWB........................................ Interconnects the engine controller PWB and the electrical parts.
Figure 2-2-1 Main frame and controller box
interface with computers.
conveying system control, and fuser temperature control, etc.
Controls the fuser heater lamp 1 and 2*
between engine controller PWB and drum units.
1
2F3/2F4
2-2-1