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Changes to Step #25

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[title] Stepper Drivers
-[* red] Before installing the stepper drivers check that there are three jumpers at each of the stepper positions, like shown in the first image.
[* green] Prepare two of the A4988 Stepper Drivers by removing them from their packaging and sticking the Heatsink to the black chip.
[* icon_note] Make sure the heatsink is not touching any of the pins.
[* icon_note] Orient the fins of the heatsink as shown.
[* icon_note] The kit also includes a spare A4988 Stepper driver.
+[* red] Adjust the trimpot so that flat side is pointing towards the bottom left corner.
[* blue] Fix the two Stepper Drivers onto the the control board as shown in the Z and E0 positions.
[* icon_reminder] Make sure that the screw trimpot is pointing towards the touch screen.
[* icon_caution] Installing a stepper driver the wrong way round will destroy it.

Image 1

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Image 2

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