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Z Axis Homing Issue (Too Low)
Just got my A5 printer from Gearbest, thankfully nothing seems to be damaged so that's good!
The first thing I did was flash the Marlin firmware and the community LCD firmware developed here, fantastic work all, thanks for that! and that all seemed OK, did a mesh bed level using the LCD interface and pressed the Save button, issuing the M29 T command in pronterface shows me my offsets were saved, but that's where the good news ends
After doing bed position 25, I pressed Next and pronterface said it was now at position -1 and I pressed save as previously said. The issue is that the nozzle is now below the print bed surface and the heater block is actually pressing down on the print bed.
I assumed maybe its a weird glitch or something and tried to print a benchy, but sadly the belts driving the axis make all kinds of grinding noises as the nozzle is still too low.
TL:DR - The nozzle is somehow too low on the Z axis, even though I did a mesh bed level perfectly, I even did it twice to be sure and got the same results. Its almost like the endstop is too low or something.
Have I made a silly mistake somewhere (this isn't my first 3d printer), or am I missing something obvious? Truly confused!
Would really appreciate any assistance!