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
Temperature
1 (green) to
3 (orange)
14 Ohms ±10%
25°C (77°F)
2 (red) top
4 (yellow)
14 Ohms ±10%
25°C (77°F)
Chapter 3. Wiring diagrams
141
Summary of Contents for 4247-V03
Page 24: ...Reference table 8 ribbon lift and 26 pin cable connectors 93 Chapter 1 Diagnosing problems 24 ...
Page 138: ...Operator panel cable wiring Chapter 3 Wiring diagrams 138 ...
Page 144: ...Tractor assembly cable wiring Chapter 3 Wiring diagrams 144 ...
Page 164: ...Chapter 5 Removals service checks and adjustments 164 ...
Page 173: ...Table 24 Print quality sample 1 2 3 Chapter 5 Removals service checks and adjustments 173 ...
Page 246: ...Assemblies Chapter 6 Parts catalog 246 ...
Page 307: ...Taiwanese EMC Notices 307 ...
Page 310: ...Index Copyright IBM Corp 2002 310 ...
Page 311: ...IBMR Part Number 75P1301 Printed in U S A G544 5873 00 1P P N 75P1301 ...