EPSON AcuLaser CX11/CX11F Revision B
OPERATING PRINCIPLES Scanner Operating Principles 125
2.3.1.1 Electric Circuit
As the scanner mechanism is powered and controlled directly by the main controller, it
does not have its own control circuit.
The power supply and the control signals to the scanner unit from the main controller
are as follows.
 Power Supply
îš„ +24VDC (to drive the CR Motor and power the Inverter Circuit)
îš„ +12VDC and +5VDC (for the CCD Sensor)
îš„ +3.3VDC (for the Home Sensor and the Magnet Sensor)
 Control Signals
îš„ CCD Sensor drive control
îš„ CR Motor drive control
îš„ ADF drive control
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