| - | [* black] Insert wisdom here. |
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| + | [title] Figuring Out the Final Four Wires |
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| + | [* black] We now need to determine the final four existing hotend wires, and which is which in the bottom and top of the printer. |
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| + | [* black] Of the four wires, they will be used for: Layer Fan, PS-ON, and (2) for I2C communication. |
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| + | [* black] To start determine which of the wires is connected to the Fan 0 - location on the RAMBo board. Use your multimeter for this determination. After you have determined which of the existing wires it is, label the wire. (I used a post it note shown in step 27 to label the wires) |
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