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Prints all over the bed

max123max123
in Repetier-Firmware
Hi all i just made my first 3d printer I'm using a arduino mega and ramps  I did the firmware righting think and did every thing ... I think sobi did a calibration cube to start with it starts good but the z won't go up at all during printing and the head moves all over the place wial printing 

Comments

  • RepetierRepetier
    Before starting to print you should manually move to see if distances make sense. Often steppers are not in the expected microstep mode or steps per mm are wrong so distances get completely wrong.

    With Z you need to know that when it does not use a belt for z (untypical) it can only move much slower (5-40 depending on solution), needs much lower accelerations (50-100) and a low jerk (0.x). When you move a longer z distasnce and you her motor whine it looses steps for not having enough power for speed/acceleartion/start speed.
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