Runout sensor module for reprap 3D printers

RUNOUT_SENSOR_MODULE

New product

  • Sensor capable of detecting when you are running out of filaments
  • Allows the firmware of your 3D printer to trigger the change filament routine
  • Allows to use the leftover of your filament for printing your things
  • Compatible with RAMPS 1.4 boards and equivalent
  • Compatible with both 1.75mm and 3mm filaments

More details

In Stock

10,00 € tax incl.

More info

The kit contains

  • 1 Filament runout module with 70cm wire
  • 2x1 pin dupont connectors (accessory)

Détecteur de fin de filament pour imprimante reprap

Compatibility

  • This sensor is compatible with RAMPS 1.4 electronic board and equivalent
  • Can be installed on any reprap 3D printers with a firmware that supports this feature
  • Compatible with Marlin Firmware (tested with RC8 version)
  • Compatible with 3mm filament

Détecteur de fin de filament pour imprimante reprap

  • Compatible with 1.75mm filament

Détecteur de fin de filament pour imprimante reprap

Working principle

This sensor is to be placed at the entrance of your extruder

The filament has to go through the sensor box

Détecteur de fin de filament

When the filament is running out, the sensor will trigger.

The firmware will then trigger a filament change action

Filament runout steps

  1. The printer is stopping
  2. The nozzle will go up a little bit and will park on 1 corner of your print volume
  3. The filament is extrated
  4. A message appears on your LCD screen asking to change the filament and to press a key . Also a beeping sound is triggered
  5. The extruder will then extrude some filament into the nozzle. A new menu appears that allows you to push more filament if required
  6. A last validation is required by the user to continue printing
  7. The printer will resume printing where it left over

Wiring on RAMPS 1.4 boards

Ramps1.4_Sensor.jpg

  1. Connect the 3 pin connector on the last colomn of the "Servo" dedicated pins
  2. The 2 pins used by the sensor are the one on top and at the bottom of the last coloumn. The middle pin is not used.
  3. Here the polarity has no importance, but for clarity you can connect the black wire to the bottom pin and the red wire to the top pin

RunoutSensor_4.jpg

Wiring on Rumba boards

On Rumba boards, you will need to connect the module on AUX3 port on pins PWM_1 et GND

RUMBA_Runout.jpg

Marlin firmware changes

The changes presented here corresponds to Marlin RC8 firmware.

The procedure is similar with other version of marlin that supports this feature. Marlin RC8 and above are available for Scalar 3D printer. You will also find the procedure to upgrade your firmware.

Enable the filament change feature

You first need to enable the filament change feature

Look in file Configuration_adv.h

  1. Uncoment line 602 "#define FILAMENT_CHANGE_FEATURE"
  2. At line 692 and 697 define the length of filament to extruder and to retract. 120mm is a good starting point for Scalar 3D printer users.

Enable Filament runout feature

In file Configuration.h

runout_marlin-1.jpg

  1. Uncomment line 776 "#define FILAMENT_RUNOUT_SENSOR"
  2. Now upload this firmware to your 3D printer in order to activate this feature.

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Runout sensor module for reprap 3D printers

Runout sensor module for reprap 3D printers

  • Sensor capable of detecting when you are running out of filaments
  • Allows the firmware of your 3D printer to trigger the change filament routine
  • Allows to use the leftover of your filament for printing your things
  • Compatible with RAMPS 1.4 boards and equivalent
  • Compatible with both 1.75mm and 3mm filaments

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