MakerBot BotStep17 REV E
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The BotStep17 plugs into the MightyBoard to control the stepper motors on your MakerBot Replicator 1, 2, and 2X desktop 3D printers.
These little boards can blow from time to time with smoke and a loud crack noise.
There are 4 on a single extruding Makerbot Replicator 1 or 2 (X-axis, Y-axis, Z-axis, E-axis [for the extruder]), and 5 on the Replicator 2X and Twin Replicator 1.
There may be no physical evidence of a blown bot step on the board. When blown they can fade a screen, cause lines through a screen, and affect motor movement.
Before testing or installing, take a picture of the motherboard to make sure you get the orientation correct when you reinstall. If you suspect one has blown it is easy to test:
- Remove them one by one and turn the machine back on. Do not replace them until the end as there could be more than one that is blown.
- When you get to the point that the machine starts up properly, begin replacing the bot steps one at a time to see which ones are blown.
- Replace any bad BotSteps with new ones
If it is affecting movement, but not the screen etc, try swapping the Z-axis with the one related to the bad movement. Usually the X-axis as it works the hardest. If the problem resolves in the X direction, for example, you know that bot step needed replacing.