Video amplifier and driver section, Image processing section – FUJITSU M3099EX/EH User Manual

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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

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