Apple ImageWriter II/L Especificaciones Pagina 49

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Troubleshooting Symptom Charts /Carriage Movement - 7
Carriage Movement
Carriage doesn’t
move; LEDs are not lit
1 Replace main board.
2 Replace power supply board.
Carriage doesn’t
move; LEDs are lit
1 Replace main board.
2 Replace power supply board.
Carriage assembly
moves to the left and
does not return to
center
1 Verify operation of switch on print head board. If switch is
frozen or defective, replace print head board.
2 Verify that metal tab actuating left-side home position
switch is bent correctly. Use a feeler gauge and bend tab 1
mm toward right side.
3 Replace main board.
4 Replace power supply board.
5 Replace flexible ribbon cable.
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