Prusa i3 MK2S KIT - C Alibrate X YZ E Rror M Essages a Nd R Esolution ( Kit O Nly)

is perfectly horizontal, 2) the print nozzle is in a known distance from the print bed. In case
the Z carriage did not touch the end stoppers, the printer could not possibly know the height
of the print nozzle above the print bed and it could therefore crash into the print bed during
the first round of the X/Y calibration procedure.
The XYZ calibration procedure also prompts you to "Please   clean   the   nozzle   for
calibration.   Click   when   done."
If this advice is not followed and there is a plastic debris on the print nozzle, then the debris
may touch the print bed or even push the print bed away from the PINDA probe, so the
PINDA probe will not trigger properly and the calibration will fail.
After the calibration is passed, the values can be reviewed for tweaking later. When you get
your axes perpendicular or slightly skewed, nothing needs to be tweaked as printer will
perform with the best accuracy. Learn more in chapter 8.3 View XYZ calibration details
(Optional) under 8 Advanced calibration.
6.3.5.1 Calibrate XYZ error messages and resolution (kit only)
1) XYZ   calibration   failed.   Bed   calibration   point   was   not   found.
Calibration routine did not find a bed sensor point. The printer stops close to the bed
point, which it failed to detect. Please verify, that the printer is assembled correctly,
that all axes move freely, the pulleys do not slip and the print nozzle is clean. If
everything looks good, re-run the X/Y calibration and verify with a sheet of paper
between the nozzle and the print bed that the print nozzle does not touch the print
bed during the calibration routine. If you feel a friction of the nozzle against the sheet
of paper and the nozzle is clean, you need to screw the PINDA probe slightly lower
and re-run the X/Y calibration.
2) XYZ   calibration   failed.   Please   consult   the   manual.
The calibration points were found in positions far from what should be expected for a
properly assembled printer. Please follow the instructions of case 1).
3) XYZ   calibration   ok.   X/Y   axes   are   perpendicular.   Congratulations!
Congratulations, you built your printer precisely, your X/Y axes are perpendicular.
4) XYZ   calibration   all   right.   X/Y   axes   are   slightly   skewed.   Good   job!
Good job, the X/Y axes are not precisely perpendicular, but still quite all right. The
firmware will correct for the X/Y skew during normal printing, so boxes will be printed
with right angles.
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