Oki C301 Maintenance Manual

44951501TH Rev.2
8-4
Oki Data CONFIDENTIAL
8. CONNECTION DIAGRAMS
Unit Circuit diagram and composition Part drawing Resistance value
Fuser unit
2
Upper roller heater #1
Upper roller heater #2
3
1
4
Thermostat
Upper thermistor
A1
A2
Lower thermistor
B1
B2
Frame thermistor
A3
A4
B3
B4
Fuse
2A5 4 3 2 11
3B1 2 3 44
Between pins 1 and 2: Several ohms to several tens of ohms
Between pins 3 and 4: Several ohms to several tens of ohms
Between pins A1 and A2: Approx. 590 k
to 5338 k (0 to 93°C)
Between pins B1 and B2: Approx. 104.5 k
to 806.5 k (0 to 43°C)
Between pins A3 and A4: Approx. 104.5 k
to 806.5 k (0 to 43°C)
Between pins B3 and B4: Open
A5 blank NC

Oki C301 Specifications

General

Print Speed (Color)	20 ppm
Monthly Duty Cycle	30, 000 pages
Memory	128 MB
Paper Capacity	250 sheets
Duplex Printing	Manual
Print Technology	LED
Connectivity	USB 2.0, Ethernet
Printer Type	Color
Media Size	A4, A5, A6, B5, Legal, Letter, Executive, Envelopes
Operating System Compatibility	Windows, Mac