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Ender 3 Pro CR Touch Z-axis offset? (self.3dprinting)

submitted 1 year ago by PKRockin to c/3dprinting

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I just installed the CR Touch kit on my Ender 3 Pro. Everything is wired up, but I can't seem to get the Z-Axis offset correct. My process is:

Auto-Home
Step the Z-Axis down until there's slight resistance on a sheet of paper between the nozzle and bed
Take that value (Roughly -1.3) and put it into the Z-Axis Offset value
Level bed

All of this works, but when the bed is leveling, the CR Touch needle is hitting the bed way earlier than the nozzle by maybe a few mm. When I go to print, there doesn't seem to be adhesion in some places on the glass bed.

What am I doing wrong? :(

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[–] PKRockin 1 points 1 year ago* (last edited 1 year ago)

Yeah, this was my assumption (the probe should hit before) - I just wasn’t sure if they were supposed to offset just enough with the adjustable probe to end up being in-line with the nozzle. The instructions are… not great.

Also - sorry, when you say leveling.. do you mean that I should be leveling the bed against the ABL sensor or the hot end?