Recently updated firmware using cura. Now prints start too low. Printer auto home and bed level good. When the print begins the printer starts the first layer 8mm too low. This is pushing the bed down. Then I have to z correct up 8mm.
cura start menu
G21 ;metric values
G90 ;absolute positioning
M82 ;set extruder to absolute mode
M107 ;start with the fan off
G28 X0 Y0 ;move X/Y to min endstops
G28 Z0 ;move Z to min endstops
G28 ;Home X/Y/Z
M104 S{material_print_temperature} T0 ; Preheat Left Extruder
M104 S{material_print_temperature} T1 ; Preheat Right Extruder
M109 S{material_print_temperature} T0 ; Preheat Left Extruder
M109 S{material_print_temperature} T1 ; Preheat Right Extruder
G91 ;relative positioning
G90 ;absolute positioning
M218 T1 X34.3 Y0; Set 2nd extruder offset. This can be changed later if needed
G1 Z25.0 F9000 ;raise nozzle 25mm
G92 E0 ;zero the extruded length again
G1 F9000
M117 Printing...
cura start menu
G21 ;metric values
G90 ;absolute positioning
M82 ;set extruder to absolute mode
M107 ;start with the fan off
G28 X0 Y0 ;move X/Y to min endstops
G28 Z0 ;move Z to min endstops
G28 ;Home X/Y/Z
M104 S{material_print_temperature} T0 ; Preheat Left Extruder
M104 S{material_print_temperature} T1 ; Preheat Right Extruder
M109 S{material_print_temperature} T0 ; Preheat Left Extruder
M109 S{material_print_temperature} T1 ; Preheat Right Extruder
G91 ;relative positioning
G90 ;absolute positioning
M218 T1 X34.3 Y0; Set 2nd extruder offset. This can be changed later if needed
G1 Z25.0 F9000 ;raise nozzle 25mm
G92 E0 ;zero the extruded length again
G1 F9000
M117 Printing...