TRONXY Free ABL

Description

This is a fan shroud that works with the tronxy xy 2 pro and tronxy x5s if it works with other printers please comment it should work with the ender 3 you will need to print out the original part that holds the micro switch as the micro switch is different. this part uses 2 40 mm fans, I originally made this part because my blower fan burnt out but in the process i added the free abl it has worked for me. Add the following starter gcode on your slicer Start G-code M0 Insert Z Switch ;Pause with message for user G28 ; Home all axes M420 S1 ;Enable Mesh Bed Levelling G1 Y-{machine_depth} Z40 F1500 ;Move Heat Bed back and lift nozzle ; Heat up bed M140 S{material_bed_temperature} ;Start heating bed M0 Remove Z Switch ;Pause with message for user ; Now do rest of heat up (unsafe to start before, as user might burn) M104 S{material_print_temperature} ;Start heating extruder M109 S{material_print_temperature} ;Wait heating extruder M190 S{material_bed_temperature} ;Wait heating bed G1 Z15 F100 ; Slowly lower the nozzle to give you a headsup that printing is starting ; End of custom start G-code Then, the method to using FreeABL is as follows: Run the ABL Routine.gcode file with the switch in place to perform a ABL routine. This is not required before every print, do it when you feel the bed needs releveling. The gcode will save the ABL mesh to EEPROM. I will still recommend leveling the bed the old fashioned way (at least the first time), your printer will be a bit quieter if it only has to make small adjustments instead of large ones Start your sliced model G-code with the switch in place, making sure the new Start G-code was added by the slicer Your printer will beep to make sure you have the switch attached. Push the button and wait for homing to complete Your printer will beep again. This time you remove the switch and push the button to continue. Now your print will begin. For the first time use, you have to keep your finger on the power button in case. You have to carefully watch the height of your nozzle and change "Z Probe Offset" (see Step 4) if necessary. If your nozzle is too close, add some distance (+). If too far, subtract some distance (-). "Z Probe Offset" DOES NOT update in real time and you will have to restart the print every time you change it! Also remember to "Store Settings" when you do. This calibration is a once-off deal and once it is perfect, you will probably never have to touch it again. the writing above was taken from Stevohen's design

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