我在双挤出机 3D 打印机上使用 SKR PRO 板。我在 Repetier-host 中尝试过 Curaengine 和 Slic3r。打印机固件正在处理偏移量（当它切换挤出机时，它会在挤出机 2 的正确位置打印），但它不会挤出任何细丝。当我输入 T1 并使用 reetier-host 中的按钮手动挤压时，它挤压得很好。我已经放了几层，没有看到第二台挤出机的任何挤出。主挤出机工作正常，在选择第二个时不会挤出。下面是一些来自 curaengine 切片双挤出机校准立方体的 g 代码。

;Generated with Cura_SteamEngine 15.01
; Default start code
G28 ; Home extruder
G1 Z15 F100
M107 ; Turn off fan
G90 ; Absolute positioning
M82 ; Extruder in absolute mode
M190 S50
; Activate all used extruder
M104 T0 S200
M104 T1 S200
G92 E0 ; Reset extruder position
; Wait for all used extruders to reach temperature
M109 T0 S200
M109 T1 S200
;Layer count: 100
;LAYER:0
M107
G0 F6000 X-10.960 Y3.540 Z0.200
;TYPE:SKIRT
G1 F1800 X-10.960 Y12.456 E0.26689
G1 X-23.956 Y12.456 E0.65592
G1 X-23.956 Y-0.540 E1.04494
G1 X-15.040 Y-0.540 E1.31183
G1 X-15.040 Y-23.540 E2.00032
G1 X12.040 Y-23.540 E2.81093
G1 X12.040 Y3.540 E3.62155
G1 X-10.960 Y3.540 E4.31003
G0 F6000 X-11.320 Y3.180
G1 F1800 X-11.320 Y12.096 E4.57693
G1 X-23.596 Y12.096 E4.94440
G1 X-23.596 Y-0.180 E5.31187
G1 X-14.680 Y-0.180 E5.57876
G1 X-14.680 Y-23.180 E6.26725
G1 X11.680 Y-23.180 E7.05631
G1 X11.680 Y3.180 E7.84537
G1 X-11.320 Y3.180 E8.53386
G1 F2400 E3.53386
G0 F6000 X-10.960 Y-10.540
;TYPE:WALL-INNER
G1 F2400 E8.53386
G1 F1800 X-10.960 Y-19.460 E8.80087
G1 X-2.040 Y-19.460 E9.06788
G1 X-2.040 Y-10.540 E9.33490
G1 X-10.960 Y-10.540 E9.60191
G0 F6000 X-11.320 Y-10.180
;TYPE:WALL-OUTER
G1 F1800 X-11.320 Y-19.820 E9.89047
G1 X-1.680 Y-19.820 E10.17904
G1 X-1.680 Y-10.180 E10.46760
G1 X-11.320 Y-10.180 E10.75617
G0 F6000 X-10.411 Y-10.665
;TYPE:SKIN
G1 F1800 X-10.833 Y-11.088 E10.77405
G0 F6000 X-10.833 Y-11.597
G1 F1800 X-9.902 Y-10.665 E10.81349
G0 F6000 X-9.393 Y-10.665
G1 F1800 X-10.833 Y-12.106 E10.87447
G0 F6000 X-10.833 Y-12.615
G1 F1800 X-8.884 Y-10.665 E10.95700
G0 F6000 X-8.374 Y-10.665
G1 F1800 X-10.833 Y-13.124 E11.06109
G0 F6000 X-10.833 Y-13.633
G1 F1800 X-7.865 Y-10.665 E11.18674
G0 F6000 X-7.356 Y-10.665
G1 F1800 X-10.833 Y-14.142 E11.33393
G0 F6000 X-10.833 Y-14.651
G1 F1800 X-6.847 Y-10.665 E11.50267
G0 F6000 X-6.338 Y-10.665
G1 F1800 X-10.833 Y-15.161 E11.69298
G0 F6000 X-10.833 Y-15.670
G1 F1800 X-5.829 Y-10.665 E11.90484
G0 F6000 X-5.320 Y-10.665
G1 F1800 X-10.833 Y-16.179 E12.13824
G0 F6000 X-10.833 Y-16.688
G1 F1800 X-4.811 Y-10.665 E12.39319
G0 F6000 X-4.302 Y-10.665
G1 F1800 X-10.833 Y-17.197 E12.66969
G0 F6000 X-10.833 Y-17.706
G1 F1800 X-3.792 Y-10.665 E12.96776
G0 F6000 X-3.283 Y-10.665
G1 F1800 X-10.833 Y-18.215 E13.28738
G0 F6000 X-10.833 Y-18.724
G1 F1800 X-2.774 Y-10.665 E13.62854
G0 F6000 X-2.265 Y-10.665
G1 F1800 X-10.833 Y-19.234 E13.99127
G0 F6000 X-10.423 Y-19.333
G1 F1800 X-2.165 Y-11.075 E14.34086
G0 F6000 X-2.165 Y-11.584
G1 F1800 X-9.914 Y-19.333 E14.66890
G0 F6000 X-9.405 Y-19.333
G1 F1800 X-2.165 Y-12.093 E14.97540
G0 F6000 X-2.165 Y-12.602
G1 F1800 X-8.896 Y-19.333 E15.26034
G0 F6000 X-8.386 Y-19.333
G1 F1800 X-2.165 Y-13.111 E15.52372
G0 F6000 X-2.165 Y-13.620
G1 F1800 X-7.877 Y-19.333 E15.76555
G0 F6000 X-7.368 Y-19.333
G1 F1800 X-2.165 Y-14.130 E15.98580
G0 F6000 X-2.165 Y-14.639
G1 F1800 X-6.859 Y-19.333 E16.18452
G0 F6000 X-6.350 Y-19.333
G1 F1800 X-2.165 Y-15.148 E16.36168
G0 F6000 X-2.165 Y-15.657
G1 F1800 X-5.841 Y-19.333 E16.51730
G0 F6000 X-5.332 Y-19.333
G1 F1800 X-2.165 Y-16.166 E16.65137
G0 F6000 X-2.165 Y-16.675
G1 F1800 X-4.823 Y-19.333 E16.76389
G0 F6000 X-4.314 Y-19.333
G1 F1800 X-2.165 Y-17.184 E16.85486
G0 F6000 X-2.165 Y-17.693
G1 F1800 X-3.804 Y-19.333 E16.92427
G0 F6000 X-3.295 Y-19.333
G1 F1800 X-2.165 Y-18.203 E16.97211
G0 F6000 X-2.165 Y-18.712
G1 F1800 X-2.786 Y-19.333 E16.99839
G0 F6000 X-2.277 Y-19.333
G1 F1800 X-2.165 Y-19.221 E17.00314
G92 E0
G1 F2400 E-5.00000

T1

G0 F6000 X-14.500 Y3.000
;TYPE:SUPPORT
G1 F2400 E0.00000
G1 F1800 X-14.500 Y8.916 E0.17709
G1 X-20.416 Y8.916 E0.35418
G1 X-20.416 Y3.000 E0.53127
G1 X-14.500 Y3.000 E0.70836
G0 F6000 X-14.878 Y2.940
G1 F1800 X-14.439 Y3.379 E0.72695
G0 F6000 X-14.439 Y3.945
'''