Difference between revisions of "GCode Header"

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* '''BLACK''' entries are for every machine
* '''BLACK''' entries are for every machine
* <span style="color: forestgreen;">'''GREEN'''</span> entries are recommended, but must be manually entered
* <span style="color: forestgreen;">'''GREEN'''</span> entries are recommended, but must be manually entered
* <span style="color: firebrick;">'''RED'''</span> entries are for the EHR only
* <span style="color: firebrick;">'''RED'''</span> entries are for the EHR only, and MUST be edited by hand
* <span style="color: navy;">'''BLUE'''</span> entries are for the 16A only
* <span style="color: navy;">'''BLUE'''</span> entries are for the 16A only, and MUST be edited by hand
* <span style="color: darkorchid;">'''PURPLE'''</span> entries are explanations
* <span style="color: darkorchid;">'''PURPLE'''</span> entries are explanations
* <span style="color: darkorange;">'''GOLD'''</span> entries are optional, but recommended
* <span style="color: darkorange;">'''GOLD'''</span> entries are optional, but recommended
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  <span style="color: darkorange;">M772 S1            ; reset metrics and arm automatic reporting  
  <span style="color: darkorange;">M772 S1            ; reset metrics and arm automatic reporting  
  <span style="color: darkorange;">M627 X0 Y0 Z0 J-500 K5                ; setup abort action</span>
  <span style="color: darkorange;">M627 X0 Y0 Z0 J-500 K5                ; setup abort action</span>
<span style="color: navy;">; '''16A PREHEAT TO SAVE ~ 30 SECONDS ON 16A''' :
M140 S# ; where # is ~15 degrees below print temperature - to start heating 16A bed sooner
   
   
  <span style="color: black;">; '''RANGE SETUP'''
  <span style="color: black;">; '''RANGE SETUP'''
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  G90                ; coordinates      : absolute
  G90                ; coordinates      : absolute
  G28 X0 Y0          ; home, goto        : X and Y
  G28 X0 Y0          ; home, goto        : X and Y
  <span style="color: darkorange;">M229 E1 D1        ; enable E-values (volumetric)
  <span style="color: darkorange;">M229 E1 D1        ; enable E-values (volumetric) - best when slicing for filaments
<span style="color: firebrick;">; '''EHR ADDITIONAL OFFSET''' :
M660 H# Z#        ; sets Z offset on EHR
G0 X0 Y0 H#        ; applies Z offset on EHR
   
   
  <span style="color: black;">; '''HEAD DESIGNATION''' :
  <span style="color: black;">; '''HEAD DESIGNATION''' :
   
   
  T2                 ; use THIRD tool position from the left  
  T1                 ; use SECOND tool position from the left <span style="color: darkorchid;">- use other recipes for other positions
   
   
  <span style="color: black;">; '''TEMPERATURE CONTROL''' :
  <span style="color: black;">; '''TEMPERATURE CONTROL''' :
   
   
  M190 S[bed_temperature]         ; bed temp    : set and wait
  <span style="color: black;">M190 S[bed_temperature]       ; bed temp    : set and wait <span style="color: darkorchid;">- actual temp is drawn from FILAMENT/EXTRUDER recipe
  M109 T12 S[temperature]        ; head temp    : set and wait  
  <span style="color: black;">M109 T12 S[temperature]        ; head temp    : set and wait <span style="color: darkorchid;">- actual temp is drawn from FILAMENT/EXTRUDER recipe</span>
   
   



Latest revision as of 20:04, 20 April 2021


At Hyrel, we believe that you must start with a good GCode header to get a good print. Below are explanations of our standard header files. These can be configured in Slic3r under Printer Settings > Custom G-code > Start G-code

Sample Header

  • BLACK entries are for every machine
  • GREEN entries are recommended, but must be manually entered
  • RED entries are for the EHR only, and MUST be edited by hand
  • BLUE entries are for the 16A only, and MUST be edited by hand
  • PURPLE entries are explanations
  • GOLD entries are optional, but recommended

This is what your header recipe will look like in Slic3r:

; REPORTING/ABORTING :

N14                ; set line numbers for error logging - Slic3r version
M772 S1            ; reset metrics and arm automatic reporting 
M627 X0 Y0 Z0 J-500 K5                 ; setup abort action

; 16A PREHEAT TO SAVE ~ 30 SECONDS ON 16A :
M140 S# ; where # is ~15 degrees below print temperature - to start heating 16A bed sooner

; RANGE SETUP

M107               ; fans/UV           ; off
M106 C255          ; fans/UV           ; set to 0-255 range

; OFFSETS and POSITIONING

G53                ; clear offsets
G21                ; units             : mm
G91                ; coordinatess      : relative
G0 Z10 	           ; drop bed 
G90                ; coordinates       : absolute
G28 X0 Y0          ; home, goto        : X and Y
M229 E1 D1         ; enable E-values (volumetric) - best when slicing for filaments

; EHR ADDITIONAL OFFSET :
M660 H# Z#         ; sets Z offset on EHR
G0 X0 Y0 H#        ; applies Z offset on EHR

; HEAD DESIGNATION :

T1                 ; use SECOND tool position from the left - use other recipes for other positions

; TEMPERATURE CONTROL :

M190 S[bed_temperature]        ; bed temp     : set and wait - actual temp is drawn from FILAMENT/EXTRUDER recipe
M109 T12 S[temperature]        ; head temp    : set and wait - actual temp is drawn from FILAMENT/EXTRUDER recipe





(this page is in progress, 20 Apr 2021)