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6.9.2.4.
ADF (Auto Document Feeder) Motor drive circuit
1. Functions
This motor functions for main operations including FAX transmission, ADF copy and PC scan.
This motor feeds document, which are set to ADF with synchronizing for reading.
2. Motor operation
During motor driving, pin D9 of IC 300 become low level, then motor driver IC700 is activated.
Stepping pulses are output from IC300 pins A9, B9, C9, A10, B10, and C10, causing driver IC700 pin 4, 6, 7 and 9 to drive the
motor coil.
A 1-step rotation of this motor feeds 0.042mm of document.
3. Circuit Diagram
49
KX-MB2061CXB/KX-MB2061CX2/KX-MB2062CXB
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Troubleshooting
