Brother FAX-8650P - Manual (Page 29)

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3. CONTROL ELECTRONICS
3.1 Configuration
The hardware configuration of the facsimile equipment is shown below.
Configuration of Facsimile Equipment
(NOTE 1) Provided on the FAX-8650P.
*1 On the document sensor PCB are these sensors:
- Document rear sensor (PH1)
- Document front sensor (PH2)
*2 On the main PCB are these sensors:
- Top cover sensor (PC1)
- Sheet feeder cover sensor (PC2)
- Registration sensor (PC3)
*3 On the toner sensor PCB are these sensors:
- Toner sensor
- Toner thermister
*4 On the high-voltage power supply PCB is the paper
ejection sensor.
*5 On the hook switch PCB is the hook switch.
(Not provided on the FAX-8650P.)