Ribbon Feed Motor Wiring - IBM V03 Maintenance Information

Ribbon feed motor wiring

The ribbon feed motor is a stepper motor with a 7.5° step angle. The motor leads go through the print head
cables to the logic board.
Resistance measurements
Attention: Allow the paper feed motor to cool before taking
resistance measurements.
Pins Resistance
1 (green) to 14 Ohms ±10%
3 (orange)
2 (red) top 14 Ohms ±10%
4 (yellow)
Temperature
25°C (77°F)
25°C (77°F)
Chapter 3. Wiring diagrams
141