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Original post by: Maz ,


On my original kickstarter machine, the X / Y / Z are all 1.7A and the extruder is 1.4A at 19v.

I see that you’ve aleady found the BOXZY guide for replacing a stepper. [guide|186] I guess they’re now recommending running the X and Y at 1.6A

Make sure you have the driver boards powered at 5v while you’re adjusting the pots and reading the result.

IMPORTANT: unless you’ve cut the tracks on the ultimaker board, the jumpers don’t set the microstepping values, so you’ll either need to clip the appropriate legs on the 8255’s or cut the tracks to activate the jumpers. The pins are different than the A4988 ones.