Prusa i3 MK2S KIT - P INDA P Robe C Alibration; T Emp. C Alibration ( Experimental;Optional); Iew X YZ C Alibration D Etails ( Optional)

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8.2 PINDA probe calibration/ Temp. calibration (Experimental/Optional)
It   is   still   an   experimental   feature   available   since   firmware   version   3.0.12.   Each   user   has   the
option   to   turn   this   feature   on   and   off,   as   it   may   not   help   out   in   all   of   the   cases.   Once   you
decide   to   use   this   feature,   be   aware   that   there   is   a   shorter   calibration   run   before   each   of   your
prints   compensating   for   different   temperatures   (this   adds   about   2   minutes   to   the   standard
preheat   process).
New PINDA probe calibration is minimizing the issue of frequent re-doing of your Live Z
adjust. That can occur once your PINDA probe readings are influenced by surrounding
conditions, mostly different temperatures. This can happen if your Live Z was tuned once
printing PLA and later on you print ABS or the other way round as the bed temperature is
very different.
To use this new feature it is necessary to run the temperature calibration first. It can be
found in Calibration - Temp. calibration - Calibrate. Before you do so, please make sure
that your nozzle and heatbed are perfectly clean as the extruder will be moving around
heatbed during this process.
Do not touch the nozzle or heatbed during this process until it is fully finished as it
will reach high temperatures!
Once calibrating your PINDA probe, it will be comparing its data readings under different
temperatures and also on top of that it will include your Live Z data. This should help you to
have stable Live Z.
Still make sure that your 1st layer is done properly. More about that in 6.3.10.
Fine-tuning the first layer
8.3 View XYZ calibration details (Optional)
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Since the release of firmware version 3.0.12, you have an access to more detailed info about
XYZ calibrating results. This new feature can be found in Support - XYZ cal. details. The
1st screen tells you the distance of the “perfect” position of your front 1st, 2nd and 3rd
calibration points. Ideally, all of these are positive and at least 0.5 mm or more. If the margin
is between 0 and 0.4 mm, then there is a chance that your calibration will not work all of the
time. In order to improve your results, you shall move with your threaded rods so that all of
the points are reachable. When you get your axes perpendicular or slightly skewed,
nothing needs to be tweaked as printer will perform with the best accuracy.
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