2M2/2M3
2-2-1
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout
(1) PWBs
Figure 2-2-1 PWBs
1. Main PWB (MPWB) .............................. Main controller: Controls the software such as the print data
processing and provides the interface with computers.
Engine: Controls printer hardware such as high voltage/bias out-
put control, paper conveying system control, and fuser tempera-
ture control, etc.
2. Relay PWB (RPWB) ............................. Consists of wiring relay circuit between main PWB and Main
motor, toner sensor, container sensor, registration sensor, paper
feed solenoid, duplex solenoid.
3. Power source PWB (PSPWB) .............. After full-wave rectification of AC power source input, switching
for converting to 24 V DC for output.
4. High voltage PWB (HVPWB) ................ Generates main charging, developer bias and transfer bias.
5. Container PWB (CPWB) ....................... Reads the container information.
6. Operation panel PWB(OPWB).............. Consists the LED indicators and key switches.
7. APC PWB (APCPWB) .......................... Generates and controls the laser beam.
8. Eraser lamp PWB (ELPWB) ................. Eliminates the residual electrostatic charge on the drum.
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Machine inside
Machine left
Machine right
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General
Weight and Dimensions
