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