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1-10 M3099EX/EH OEM Manual
Video amplifier and driver section
This section consists of a CCD drive circuit, a video amplifier
circuit, a white-black level correction circuit, sensors, and also
control circuits for the stepping motor, heater, and lamps.
Image processing section
The IPC II option enables the following image processing functions:
• Automatic separation function (to read documents containing
characters and photographs)
• Inversion function
• Mirror image output function
• Outline extraction function
• Overlay function
• Smoothing, filtering, and noise removing
Power supplies
This scanner has two power supplies. Their output voltages are as
follows:
Power supply 1
• +5V: For logic circuits
• ±12V: For video amplifiers
Power supply 2
• 24V: For lamp, heater, and stepping motor drive