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Thanks your reply was very helpful.  But you didn't quite answer my question 4.  I repeated it below:

Once the sensor is installed and wired and firmware updated, I don’t understand the next step.  You write “IMPORTANT! BLTouch tip height must be adjusted according to the official instruction manuals. There are different BLTouch sensor clearences and the YouTube videos tips are wrong most of the times.”  The v3.1 manual on your linked site says nothing about adjusting tip height.  The manual that came with the upgrade kit has four steps where one uses the knob to adjust the Z height to get a thickness of paper and setting Z offsets to C=B+A, where A is how much you moved Z to get a thickness of paper in-between the nozzle and bed and B is a Z offset red from the machine, then you store settings.  This instruction seems at odds with your “Post Installation” section where you recommend using a credit card.  So, which instructions do I follow once I’ve updated the firmware and installed the BLTouch, yours or the ones from Creality?


In other words, do I need to do this A and B and C stuff for setting the Z offset, which is in the manual for Creality?  Or do I just use the "Heat and Level" command per your instructions?  I gather it is the latter, but I want to be sure.


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