AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision B
OPERATING PRINCIPLES Electrical parts layout 16
Confidential
2.1 Electrical parts layout
POWER WRITING BOARDS
Figure 2-1. Power Writing Boards
1. Main Board Assy.
Main controller section:
Controls the software such as the print data processing and provides the
interface with computers.
Engine section:
Controls printer hardware such as high voltage/bias output control, paper
conveying system control, and fuser temperature control, etc.
2. LVPS
After full-wave rectification of AC power source input, switching for converting
to 24 V DC for output. Controls the fuser heater lamp.
3. HVPS
Generates main charging, developing bias, transfer bias.
4. Control Panel Board
Consists the LED indicators and key switches.
5. APC PWB
Generates and controls the laser beam.
6. PD PWB
Controls horizontal synchronizing timing of laser beam.
7. Zener PWB
Adjusts the drum surface potential.
8. Eraser lamp PWB
Eliminates the residual electrostatic charge on the drum.
Machine inside
Machine left
Machine right
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