Olivetti d-Copia 284MF Service Manual

Also see for d-Copia 284MF: Quick installation guide Quick installation guide Operation guide Operation guide

2JN2-2-12-2 Electrical Parts Layout2-2-1 Electrical parts layout(1) PWBsFigure 2-2-1 PWBs1. Control PWB ................................................ Main controller: Controls the software such as the print data processingand provides the interface with computers.Engine: Controls machine hardware such as high voltage/bias outputcontrol, paper conveying system control, and fuser temperature control,etc.2. Power source PWB...................................... After full-wave rectification of AC power source input, switching forconverting to 24 V DC for output. Controls the fuser heater lamp.3. High voltage PWB........................................ Generates main charging, developing bias and transfer bias.4. Operation panel PWB .................................. Consists the LCD, 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.9. Scanner PWB .............................................. Controls the scanner section.10. CCD PWB .................................................... Reads the image of originals.11. Inverter PWB................................................ Controls the exposure lamp.12. FAX PWB ..................................................... Modulates, demodulates, compresses, decompresses and smoothes outimage data, and converts resolution of image data.Machine insideMachine left Machine right12457 86910 11123Y111030-4 Service Manual