2RV/2RW/2RX/2RY/3RA-1
3-8
1. Operation panel PWB *2 ...................... It consists of LCD, LED indicators, key switches.
2. Wi-Fi PWB *1 ....................................... It communicates wireless data.
3. Main/Engine PWB ................................ It controls the software for the interface and image data process-
ing, and controls the hardware such as the operation section, high
voltage/bias output, paper conveying mechanism, etc.
4. Lower voltage power source PWB ....... The input voltage (AC) from the AC power supply is changed and
output to DC such as DC24V. It also controls the fuser heater.
5. Eraser PWB ......................................... Removing the remaining electric charge on the drum.
6. USB PWB ............................................ Distribution of USB connector
7. High voltage PWB ................................ Output the main charger high-voltage and the developer bias, the
transfer bias, separation bias and the transfer cleaning bias.
8. Grid PWB ............................................. Controlling the grid currency
9. APC PWB ............................................ Emitting and controlling the laser beam.
10. Operation panel PWB *3 ...................... It consists of LED indicators, key switches.
11. PF main PWB ...................................... Controlling the drive of each electric parts in the PF.
*1:Wi-Fi model only, *2:LCD model only, *3:LED model only