Printing from Cura 2 with Your 2016 Printrbot Simple

For those who want/need to print from their computer over USB, this guide will walk you through the set up.  You are required to update the firmware on the Printrboard, and to setup Cura with some data from your printer’s hub.  With the new firmware, your Simple's control board will be able to detect when you connect it to your computer.  When this happens, the control board will ignore all commands from the hub.  While you are printing over USB, your hub will not give any status information.  After you are finished printing over USB and you want to go back to using the cloud and your hub, simply disconnect the USB cable and your control board will once again listen to the hub.    

*Note: this guide only applies for Mac users, as the Windows version is not yet available.



Updating firmware on the Printrboard

 

1.) If you do not already have it, go to the Printrbot github page located here: https://github.com/Printrbot/firmware-updater and continue to step 2. If you already have the firmware updater, skip to step 4.

2.)  From the left side of your screen, Select "Branch", and then "gh-pages".

3.)  You will now see a zip file named "pbFU_mac.zip".  

4.)  On the right side of your screen click on the green "Clone or download" icon, then select "Download Zip".

5.) Once the file has been downloaded, open it.  Inside you should see pbFU_mac.zip.  Double click that file to unzip it.  Once the file has been un-zipped, you will see a new item named "pbFU".  Move that app to either your applications folder, or to your desktop.  When that is complete, you are ready to use the firmware updater.

6.) Download the new firmware for your Printrboard from here: https://printrbot.com/wp-content/uploads/2016/12/PrintrBoardG2_Cura2.bin_.zip

7.)  Unzip the folder and you should have a file titled PrintrboardG2_Cura2.bin inside.  NOTE:  Do not double click the firmware file in an effort to uncompress it, like you would a zipped file.  If your computer thinks the firmware is a zipped file and gives it a .cpgz file extension, this will not work.  You need to delete that file and re-download the firmware and try again.  

8.) With your printer powered on and the USB connected to your computer, open up the firmware-updater software.

9.)  Drag the firmware file (PrintrBoardG2_Cura2.bin) and drop it onto the firmware-updater, then click "Next".  The firmware update can take up to 5min.

 

10.) Once the firmware has been successfully updated, turn off the power to your Simple.  After 15 seconds, turn power back on.  You have now successfully uploaded new firmware, and are ready to continue on to setting up Cura 2.



 

Setting up Cura 2

1.) Download and install the Printrbot version of Cura 2 from here:  https://printrbot.com/wp-content/uploads/2016/12/Cura.2.3.1-G2CoreMod-20161207-OSX.zip

 

2.) Open and unzip Cura 2.3.1-g2core-0.9.  

3.)  When prompted to “Add a printer”, select  the "Other" tab and then scroll down the list until you see Printrbot Simple (1608).  Then click "Add Printer".



4.)  At the top of your screen go to “Settings” ---> “Printer” ---> “Manage Printers…”

 

 

5.) Click on “Machine Settings”





6.) In the “Start gcode” section, go to the end of the 3rd line and hit ‘enter’ to insert a new line.




7.) Copy and paste this line into the section:   M100 ({{g55z:0.0}}) ;Z-probe offset value




8.) The value of “0.0” that we just entered is only a placeholder for the z-probe value that is saved on your display.  We need to get that value and enter it here for the sensor calibration value to be correct when printing from Cura.  To get that value, click on the ‘Settings’ icon on your display.




9.) Now click on “Calibrate”.




10.) 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.


11.) Back in Cura, enter the value from your display as shown here.




12.) We are now finished with inserting our settings and setting up Cura 2.  Click “Close” on the Machine settings tab to save the changes.  Note: There is no save button to press, closing the window saves the changes automatically for you.




11.) Close the “Preferences” tab as well.




12.) You are now ready to print using Cura 2 with your own custom settings.  Enjoy!








Getting started settings with PLA

 

Now that you have your Simple ready to print with Cura, here are some settings for PLA to get you started.  The first section of settings will be for 0.1mm layer height, and the second are for 0.2mm layer height.  To adjust the print parameters, you must click on the "Custom" tab in Cura.

 

0.1mm Layer Height

  1. Quality: set Layer Height and Initial Layer Height to 0.1
  2. Shell: ensure Wall Thickness and Top/Bottom Thickness are set to 0.6
  3. Infill: set to 20%
  4. Material: change Printing Temperature to 220°C
  5. Speed: set Print Speed to 150

     You are now ready to print!  Feel free to tweak and modify the settings as you want.

 

0.2mm Layer Height

  1. Quality: set Layer Height and Initial Layer Height to 0.2
  2. Shell: ensure Wall Thickness and Top/Bottom Thickness are set to 0.6
  3. Infill: set to 20%
  4. Material: change Printing Temperature to 220°C
  5. Speed: set Print Speed to 75

 

     You are now ready to print!  Feel free to tweak and modify the settings as you want. For general Cura 2 user resources, see https://ultimaker.com/en/resources/20408-interface-overview

  























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2 Comments

  • 1
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    Gbrewer3

    When will a windows version be available

  • 0
    Avatar
    Cvaras

    Will this work for people using the G2 board on a different printer like the metal plus?

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