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First things first: you're going to need a copy of Repetier.
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If you are upgrading an existing 3D printer to use a V6 HotEnd, you should try to get a copy of your current firmware from your printer's manufacturer.
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If you're building a new printer, or simply want to upgrade to the latest version of Repetier, download it at https://www.repetier.com/download-now/
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Almost all printers use Arduino IDE to upload fresh firmware, so download it at https://www.arduino.cc/en/Main/Software
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Unzip Repetier from the file you downloaded and put the resulting folder anywhere on your computer for safe keeping.
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Inside the unzipped folder, navigate to /Repetier-Firmware/Repetier, and open the Repetier.ino file. This should open every file in Repetier.
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Find the Configuration.h file
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Rather than manually editing the configuration file, you can also upload it to the online configurator.
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Manual Editing:
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In the configuration.h file, find the highlighted line and update it to: #define EXT0_TEMPSENSOR_TYPE 8.
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If you are installing multiple hotends, or installing this Lite6 as a second hotend, adjust the setting for the proper extruder instead (EXT1, EXT2, etc).
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Online Tool:
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Navigate to the Tools tab, and scroll down to the Extruder Section.
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Select ATC Semitec 104-GT2 from the list of temperature sensors.
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Change: #define MIN_DEFECT_TEMPERATURE 5 To detect a detached thermistor
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Change: #define MAXTEMP 285 To prevents your hotend from overheating.
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Change: #define MAX_DEFECT_TEMPERATURE 290 To shut off your printer if overheated.
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Online Editing:
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Change: Maximum extruder temperature 285 to prevent your HotEnd from overheating.
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Change: Minimum defect temperature 5 To detect if thermistor is detached.
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Change: Maximum defect temperature 290 To shut off your printer if overheated.
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Upload the new firmware to your electronics as you normally would. Typically this means plugging in your printer to your computer, selecting the correct COM port and board type, and pressing the upload button.
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If you're unsure of how to update your printer's firmware, check with its manufacturer.
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Head back to the V6 Assembly page to finish the last few steps before you start printing.
Head back to the V6 Assembly page to finish the last few steps before you start printing.
