After a G29 bed leveling is automatically enabled, but in all other situations you must use M420 S1 to enable bed leveling. However at G29 - Bed Leveling (Manual) of the Marlin G-code manual) it states: G28 disables bed leveling. Follow with M420 S to turn leveling on, or use RESTORE_LEVELING_AFTER_G28 to automatically keep leveling on after G28

2019年12月21日 · The source also answers the use of M420 S1: After a G29 bed leveling is automatically enabled, but in all other situations you must use M420 S1 to enable bed leveling. It is essential to include the command M420 S1 in the “Start G-code” in your slicer settings.

2021年3月27日 · The process of the auto-bed leveling actually scans the surface of the build surface and compensates the height of the print head/nozzle during a predefined printing height (usually 10 mm, set in the firmware or through G-code: M420 Z10 ; Gradually reduce compensation until Z=10), during this printing process the nozzle gradually be less and ...

2022年2月15日 · I have updated the ABL mesh using OctoPrint's Bed Visualizer. I noticed that the Creality Slicer does not include G29or M420 S1by default, so I've added the latter to the Slicer's configuration. However, there is no substantial improvement in the first layer: the filament is not sticking to the bed, so I assume the print head is still too high.

2022年1月28日 · Replace the G29 with M420 S1 (2.5 If you want to use ABL fading use M420 S1 Z10 – This will fade ABL compensation until it is off over the first 10 mm of the print.) Slice up some files! My Cura start G-code.

2020年3月8日 · G29 activates the M420 to enable the grid. A G28 after scanning the bed will reset this. You need to make sure that the start G-code (this is an optional script that is pasted before the sliced object) contains both the G28 and the G29, where the G28 is placed above the G29 on separate lines.

2021年2月9日 · M501 ; Restore from EEPROM (try to eliminate bed leveling) G21 ; Metric values G90 ; Absolute positioning G28 ; Auto home M420 S1 ; Enable bed leveling G1 X100 Y100 Z100 F1000 ; Move M400 ; Finish moves Move.gcode does bed leveling (LevelBed.gcode was executed before).

2023年1月25日 · Add M420 S1 to start G-code (also tried M420 L and both together) Reset EEPROM with M502;

2021年7月25日 · M420 S1 ; Enable compensation using current grid/mesh M420 Z10 ; Gradually reduce compensation until Z=10 It is good to have a fade out height, if zero, the imperfections of the bottom travel all the way to the top of the print; the solution is to use bed geometry ( M420 S1 ) and fade out over 10 mm ( M420 Z10 ).

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