The Original Prusa i3 MK3 is the successor of the award-winning Original Prusa i3 MK2 3D printer.

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Calibration Failure! error mssg on Z & XYZ calibration

All appears OK up to the point where it is trying to Calibrate the first point: auto Home works, goes up to top of Z-axis then when it comes down; it stops, gives error "Calibration Failure!" (Which is not listed in handbook)

Played with "move Z-axis" and it appears that the controller thinks the assembly is higher than what it is. LCD on "move Z-axis"lists lowest Z height obtainable as being 0.00. Looked in handbook, it implies to go to section "6.3.9.2 Check probe height" --- the kicker here, is that in the printed handbook supplied it stops at 6.3.9.1 and 6.3.9.2 does not exist?? I looked at the Probe response diagram, are you guys trying to say mess about with the probe height or is there something missing the handbook --- confusing as all get out.

Answered! View the answer I have this problem too

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Hi George,

regarding the Handbook, the chapter 6.3.9.2 was moved to the 6.3.10.2 and the "Table of contents" must be renewed, I'm sorry for the confusion.

First, please flash the newest firmware:

https://www.prusa3d.com/drivers/

Second, check the trapezoidal nuts are installed correctly: https://d17kynu4zpq5hy.cloudfront.net/ig...

Let me know about your progress ;)

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I'm having the same issue. Nuts are installed correctly and I only started to have this issue AFTER I updated to the latest firmware.

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I am experiencing the same issue. I have the trapezoidal nuts correctly installed, but I can't get beyond this calibration error.

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Hi Mike, please take several pictures of your printer, so I can check your assembly. Also, some video would be nice. Thanks

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I am having the exact same issue. I have ensured the axis is aligned properly, and the motors are spinning smoothly, but am unable to calibrate.

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Same issue as above.

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I have been with Chat Support several times and have a new PINDA2 probe on the way. I'm really hoping that takes care of the problem, but I find it odd that the probe I have does appear to detect things. Here's a video of the behavior and I apologize in advance for the video turning upside down toward the end...

https://youtu.be/JPYRepTFU-k

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Providing pictures of my build for same issue.

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EDIT: Fixed Image 3 because the extruder is supposed to be higher up. Fixed that but the issue remains.

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Hi Alex, your build seems to be ok. Please contact our support (info@prusa3d.com) I suspect the probe to be not working properly.

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Had the same issue with the calibration of the Z axis. I installed new firmware and started the self test again and it still failed the Z-axis test. Then I reset the calibration so that it would start at the beginning of the Wizard and everything passed without issue.

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George Vinansky will be eternally grateful.
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