Package Contents:

• filament runout sensor
• installation/mounting screws and nuts
• 90cm connection cable w/ connectors
• 40cm bowden tube

With appropriate printer firmware configuration print jobs can be paused when filament has run out to allow filament replacement and restarted once ready.

Supply Voltage: 3.3-5V

Operating Temperature: <80°C

Installation:

1. Position sensor between the filament spool and the printer’s extruder
2. Install sensor along the filament path paying attention to the arrow on sensor
3. Insert included PTFE tube on both sides of the sensor to help reduce friction as the filament passes through the sensor.

Red: 3-5v

Blue: Signal

Black: GND

Filament Present: LOW voltage output

Filament Absent: Supply voltage output (3.3-5v)

Example Configuration – MARLIN:

Make sure your firmware has the filament runout feature,you need Marlin 1.1.0-RC7 or newer.If you are using an older version,contact your 3D printer manufacturer or update your firmware configuration manually.

Example Configuration – Repetier:

Make sure your firmware has the filament runout feature,you need Repetier 0.92.9 or newer.If you are using an older version,contact your 3D printer manufacturer or update your firmware configuration manually.

Configuration.h

#define EXT0_JAM_PIN [DIGITAL PIN INPUT]

#define JAM_METHOD 3

#define JAM_ACTION 1

Example Configuration – SMOOTHIEWARE:

Pause when out of filament

This configuration allows you to use a pin to detect when the machine is out of filament. When the switch is hit by the filament not being present, the machine is put into pause.

Another switch is configured to allow you to resume the machine once the button is pressed.

Additional configuration allows you to specify commands that are executed when the machine suspends, and when it resumes.

switch.filamentout.enable                true          # Enable this module

switch.filamentout.input_pin             1.30^  # Pin where filament out button is connected

switch.filamentout.output_on_command     suspend     # Suspend command

switch.resume.enable                     true    # Enable this module

switch.resume.input_pin                  1.31^   # Pin where resume button is connected

switch.resume.output_on_command          resume  # Resume command

after_suspend_gcode            G91_G0E-5_G0Z10_G90_G0X-50Y-50        # Gcode to run after suspend, retract then get head out of way

before_resume_gcode               G91_G1E1_G90                          # Gcode to run after temp is reached but before resume – do a prime