Ricoh B286 Service Manual page 290

Output Check
5804
45 Development Bias: Image Area
46 Development Bias: ID Sensor Pattern
47 Transfer Corona: Leading Edge
48 Transfer Corona
49 Separation Corona: Leading Edge
50 Separation Corona
52 Toner Supply Clutch
53 Quenching Lamp
54 Pick-off Pawl Solenoid
55 ID Sensor LED
66 Charge Corona Wire Cleaner Motor
67 Recycle Counter
68 Dehumidifier
B286/B289
Output Check
5-20 SM