Oki OKIOFFICE 84 Service Manual page 401

A3.1.11 R51 Circuit Diagram (Page 11/12)
1. Block diagram
The circuit diagram shown on page 11/12 consists of the following connector:
l
Connector CN6 that provides an interface between R51 board and power supply unit (P2H).
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Connector CN7 that provides an interface between R51 board and power supply unit
(MPW1446/MPW1546).
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Connector CN8 that provides an interface between R51 board and power supply unit (P6L).
2. Function
1) Sensor and switch control
Five types of sensors are used in the printer as listed below. All of their output enter
Service Guide OKIOFFICE 84
Chapter A Board Descriptions
Page: 239