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Mini RAMBo electronics wiring (MK2S, MK2.5, MK2.5S)

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Last updated 4 years ago
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Written as Mini-RAMBo, Mini Rambo, or Rambo mini, the logic board used in the Original Prusa MK2 series is very simple.

Please refer to the image below regarding wire colors and correct connector orientation. If you are getting Selftest errors, or if you are encountering any issues related to the electronics (motors not moving, wrong temperature readings), we suggest going once again through the detailed step-by-step guide in the manual chapter 8. Electronics assembly [進行中の翻訳].

For more information about the fuses, check Blown Fuse (MK2S/MK2.5/MK2.5S) [進行中の翻訳].
Did you know, that...?
The RAMBo board is designed and built to sustain considerable heat. It does not need any cooling even if the printer is in an enclosure.

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