The bed can be adjusted with screws and Z has a stepper. Leveling via a 4 point macro, which doesn't work when I check it with paper. The 2 screws in the front are ok, only at the back both screws are too far away from the nozzle. If I manually level the heightmap comes from above.
4 point macro
M140 S70 M190 S70 M671 x43:214:214:43 y43:43:214:214 P0.7 ; The location of the four bed securing screws ;M558 P0 ; Uncomment this if you don't have a Z Probe G28 X Y Z ; Home Z G30 P0 X43 Y43 Z-99999 ; probe near an adjusting screw ; Front left screw G30 P1 X214 Y43 Z-99999 ; probe near an adjusting screw ; Front right screw G30 P2 X214 Y214 Z-99999 ; probe near an adjusting screw ; Rear right screw G30 P3 X43 Y214 Z-99999 S4 ; probe near an adjusting screw ; Rear left screw G28 Z ; Home Z ;M140 S0bed mesh
M140 S70 M190 S70 M98 P"homeall.g" G29 M140 S0