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  1. #51
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    okay so i adjusted the horizontal offset and noticed that if i adjust the offset then move the the head to the defined area you gave me, it moves beyond the bed. so were y66 would stop at the edge , if i increase the horizontal offset it moves beyond the the edge. maybe that will help in figuring out what im doing wrong

  2. #52
    Technologist LuckyImperial's Avatar
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    Now that you have the X0 Y0 Z0 nozzle height correct you just gotta get Diagonal Rod Length and Horizontal Rod Offset dialed in.

    You're using Repetier-Host to make your eeprom changes right? Make changes 1-3mm at a time. Gross changes are good to show that you're making a difference (which it sounds like you are) but may damage your printer if you start going too far.

  3. #53
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    Thanks , I'll mess with this tonight, then on to the extruder motor and calibrating it.

  4. #54
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    okay now im getting excited , finally have this step working. one minor problem. z and y seem to be about the same as middle , but the x tower , the head moves up. how do i adjust just one tower?

  5. #55
    Technologist LuckyImperial's Avatar
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    That's an endstop that's off. You need to either physically move your x endstop down or use a trimming screw if you have it.

    I really hope you have trimming screws haha. Makes it a lot easier.

  6. #56
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    i do have screws , but i did notice in the eeprom settings that i can set endstop offset, that work the same way ? and can you point me in the right direction for extruder calibration? i feel like im getting close to printing something

  7. #57
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    i got it , its either dead on or off by .1 im pretty sure thats in tolerence so happy right now. going to bed lol. yea next on to the extruder motor calibration , and swapping the hotend..... THERE IS LIGHT AT THE END OF THE TUNNEL, I CAN SEE IT!
    so how do i calibrate that there extruder motor again , and side note , what should i do about retract, saw you guys talking about that in previous post

  8. #58
    Technologist LuckyImperial's Avatar
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    Yeah that should work the same same way. Give it a shot.

    Extruder calibration has two factors.
    1. Steps/mm. Usually called Esteps/mm. You can extrude 100mm and then measure it to see if it's 100mm. Increase Esteps if you're short or decrease if it's long. My sweet spot is usually a little less, like 80mm, but it varies. This is non melted plastic, before it goes into the hot end.

    2. Retraction. Usually 2-5mm. Don't do too fast or accelerate too fast or you will strip the filament. Retraction settings can also be found in Slic3r or whatever slicing program you use.

  9. #59
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    im not seeing esteps in the epprom setting on repiteir host , am i looking in the wrong spot or is it steps per mm ? for the extruder

    and for the retraction , basically start small ... right ?

  10. #60
    Technologist LuckyImperial's Avatar
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    Quote Originally Posted by Nickschaos81 View Post
    im not seeing esteps in the epprom setting on repiteir host , am i looking in the wrong spot or is it steps per mm ? for the extruder

    and for the retraction , basically start small ... right ?

    It should be like "Extr1. steps per mm"

    Retraction is pretty much always necessary. 2mm is a legitimate starting place. It can be adjusted in 1mm increments. Anything more than 7mm may cause the plastic melt zone to retract into the cooling zone and cause a jam. It kind of depends on the length of your bowden tube though.

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