Installing the Simple Pro Heated Bed Upgrade

Follow the instructions in the video to install your Heated Bed Upgrade hardware.  Next, see the steps below to properly configure your software. 



Software Configuration 




Open Cura 2.  At the top of your screen go to Settings/Printer/Manage Printers.



After the Preferences window opens, click on “Machine Settings”.



Make the following adjustments to your Machine Settings.




Printer Settings

  • X (Width) - 215 mm
  • Y (Depth) - 152 mm
  • Z (Height) - 215 mm
  • Heated Bed - check

Printhead Settings

  • Nozzle size - 0.3 mm


Start Gcode: Select ALL existing text and delete it.  Add the text below. 


M100.1 ({{g55z:0.0}}) ;Z-probe offset
M100.1 ({{xtm:254}}) ;change x axis to 254mm
M104 S{material_print_temperature}
G21 ;metric values
G90 ;absolute positioning
M82 ;set extruder to absolute mode
M107 ;start with the fan off
G28 X0 Y0 ;home X/Y
G28 Z0 ;home Z
G92 E0 ;zero the extruded length
M100 ({{"_leds":3}})
G1 X0 Y145 Z6 F10000
G38.2 Z-10 F200
G1 Z5 F8000
M100 ({{"_leds":5}})
G1 X220 Y65 F20000
G38.2 Z-10 F200
G1 Z5 F8000
M100 ({{"_leds":6}})
G1 X0 Y10 F20000
G38.2 Z-10 F200
G1 Z5 F8000
M100 ({{"_leds":3}})
M100 ({{"tram":1}})
G55 ;apply z-offset value
G1 Z15.0 F2000
M109 S{material_print_temperature}
M100 ({{_leds:1}})
G92 E0
G1 F9000
M117 Printing...


End Gcode: Select ALL existing text and delete it.  Add the text below.

G28 X0 Y0
M104 S0



The value of “0.0” in the first "M100.1" line of Start Gcode is only a placeholder for the calibration offset that is already saved on your touchscreen.  To view your calibration offset, tap the Settings icon.

9.) Next, tap the Calibrate icon.

The value that you see displayed as the “hotend offset” is what we will insert into Cura.  Here, the value is “-0.1”.  Yours will most likely be different, that is ok.  Remember this number.


Insert the offset value from your touchscreen into the M100.1 line.  In this case, the first line of Start Gcode will read: M100.1 ({{g55z:-0.1}}) ;Z-probe offset


*NOTE: Users who upgrade to the Simple Pro Heated Bed Firmware may need to recalibrate their Z offset.  Do this by turning on your Simple Pro and selecting “First Test Print” folder.  Once in this folder, press print on “First Test Print”.  You should see that the Simple Pro is too high above the print surface.  Go ahead and stop the print by pressing “Cancel”.  

Go to Settings and select “Calibrate”.  In increments of .2mm decrease the Calibrate value (for example if your Calibrate value is -0.4 then decrease the value to -0.6).  Press “Save”.  Go back to “First Test Print” folder and begin the print again.  If your Simple Pro is still too hight above the print surface, continue and repeat these calibration steps until your first layer height is correct.  We have seen some printers that need to be adjusted up to 1.1mm, so keep trying if the printer is too high.

Once you have recalibrated your Z offset, take this new value and input it into the “Start Gcode” in Cura 2 under “Machine Settings”.



We are now finished with inserting our settings and setting up Cura 2 for your Simple Pro Heated Bed Upgrade.  Click “Close” on the Machine settings tab to save the changes.  You can close out the Preferences window as well.

*NOTE: There is no save button.  Closing the window saves the changes automatically.



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  • 0

    seems the build video is missing


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