Original Prusa i3 MK2S is a successor to Original Prusa i3 MK2 with small hardware tweaks for easier assembly and improved reliability.

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y end stop is not triggered

i finished building the printer, when i try to do self test: the y end stop isnt triggred i tryed switching the side of the button but it didnt help.

it seems that the trigger is too low and the bed slides over it

help plz

Update (08/18/2017)

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Hi Slav,

it is not the heatbed triggering the endstop, it is the Y-belt-holder (printed part) below the heatbed.

See this step:

2. Y-axis assembly

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Look at the pictures for step 22 of the Y Axis assembly, "Tightening the Y-axis endstop", particularly the 3rd picture

Looks like your endstop is installed the wrong way (trigger should be closer to the motor)

Your belt holder is "missing" the trigger

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slav b will be eternally grateful.
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