Ender 3 S1 Marlin Inline layer line mode only first gcode line with laser power value

Hello,

I’m using a Creality Ender 3 S1 and the best results with pictures and text I got with marlin and inline with a M03 I as start gcode added. I see, that there is in each line the I Value set again.

like this

*************** picture ***********

; LightBurn 1.4.00
; Marlin device profile, current position
; Bounds: X-1.57 Y0.11 to X48.77 Y21.11

;USER START SCRIPT
M03 I
;USER START SCRIPT

G21
G91
; Image @ 2000 mm/min, 30% power
M9
M05
G0 X-1.467 Y0.113 F4000
; Layer C00
G1 X1.667 F2000 I S0
G1 X1.7 I S300
G1 X0.2 I S0
G1 X0.1 I S300
G1 X0.2 I S0
G1 X0.1 I S300
G1 X0.2 I S0
G1 X0.1 I S300
G1 X0.7 I S0
G1 X0.1 I S300
G1 X0.4 I S0
.
.
.


But I got a problem to use the line mode in the layer. If I make a rectangle, the laser will only burn the first line. I have seen, that there is only one " I" value in the code:

; LightBurn 1.4.00
; Marlin device profile, current position
; Bounds: X1.18 Y2.01 to X18.18 Y15.01

;USER START SCRIPT
G90
M3 I
;USER START SCRIPT

G21
G91
; Cut @ 200 mm/min, 100% power
M9
M05
G0 X1.176 Y2.014 F4000
; Layer Cut_4mm_Buche Pass 1 of 2
G1 Y13 F200 I S1000
G1 X17
G1 Y-13
G1 X-17
; Layer Cut_4mm_Buche Pass 2 of 2
G1 Y13
G1 X17
G1 Y-13
G1 X-17
M9
M05
; return to starting pos
G0 X-1.176 Y-2.014 F4000

;USER END SCRIPT
M5 I
;USER END SCRIPT

Only if I add the Value in each line, I will get an correct burned rectangle:

; LightBurn 1.4.00
; Marlin device profile, current position
; Bounds: X1.18 Y2.01 to X18.18 Y15.01

;USER START SCRIPT
G90
M3 I
;USER START SCRIPT

G21
G91
; Cut @ 200 mm/min, 100% power
M9
M05
G0 X1.176 Y2.014 F4000
; Layer Cut_4mm_Buche Pass 1 of 2
G1 Y13 F200 I S1000
G1 X17 I S1000
G1 Y-13 I S1000
G1 X-17 I S1000

; Layer Cut_4mm_Buche Pass 2 of 2 the second runs ist always the laser switched off*
G1 Y13
G1 X17
G1 Y-13
G1 X-17
M9
M05
; return to starting pos
G0 X-1.176 Y-2.014 F4000

;USER END SCRIPT
M5 I
;USER END SCRIPT

What can I do? I’m not sure, if marlin is the right controller language for the Ender 3 S1. The only thing I know is, that my firmware is the original creality firmware V3.0.3. With M03/M05 mode, the layer line mode works good, but the picture and fill style is realy slow and not even better. I would prefer the inline setting.
Thank you.

I got an answer from Lightburn Software support to test the Emit S value under gcode settings. It looks good in the gcode and I will test it, if I’m home. I will report the results :slightly_smiling_face:

I works! With setting Emit S value and a “M03 I” as a start gcode, the Ender 3 S1 works perfekt in Inline-Mode with Marlin. Thanks to the support team of Lightburn. :grinning: :+1:

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