comme je n'est pas de réponse
je doit modifier le gcode en rajoutant T1
;FLAVOR:Marlin
;TIME:1528
;Filament used: 0m, 0.580902m
;Layer height: 0.15
;MINX:104.25
;MINY:96.75
;MINZ:0.27
;MAXX:133.75
;MAXY:126.25
;MAXZ:19.92
;Generated with Cura_SteamEngine 4.4.1
T1
M82 ;absolute extrusion mode
;material_bed_temperature=60 material_print_temperature=215.0 material_print_temperature_layer_0=215.0
M190 S60
M104 T0 S175
M109 T1 S215.0
M104 T0 S200
G21 ;metric values
G90 ;absolute positioning
M82 ;set extruder to absolute mode
M107 ;start with the fan off
M200 D0 T0 ;reset filament diameter
M200 D0 T1
G28 Z0; home all
G28 X0 Y0
G0 Z30 F2400 ;move the platform to 30mm
G92 E0
T1 ; move to the 2th head
G0 Z20 F2400
G92 E-7.0 ;prime distance
G1 E0 F45 ;purge nozzle
G1 E-5.1 F1500 ; retract
G1 X90 Z0.01 F5000 ; move away from the prime poop
G1 X50 F9000
G0 Z20 F2400
T0 ; move to the first head
M104 T1 S175
G0 Z20 F2400
M109 T1 S215.0
G92 E-7.0
G1 E0 F45 ;purge nozzle
G1 E-5.1 F1500
G1 X60 Z0.01 F5000 ; move away from the prime poop
G1 X20 F9000
G1 E0 F1500
M400 ;finish all moves
G92 E0
;end of startup sequence
G92 E0
T1
G92 E0
G1 F2100 E-5.5
;LAYER_COUNT:132
;LAYER:0
M107
M204 S375
M205 X17 Y17
G0 F2400 X108.876 Y96.761 Z0.27
M204 S250
M205 X10 Y10