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

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M3099EX/EH OEM Manual