OUT OF ​FILAMENT SENSOR for the FlashForge Creator Pro / CTC / Wanhao / QIDI Tech I / Makerbot Replicator style printers
This filament sensor automatically pauses the printer when you run out of filament, allowing you to recover your print.
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This works / is plug and play on the Replicator style printers. It also needs the SailFish firmware v7.5 or later, You can use either single or dual sensors on a dual extruder. (A single sensor only monitors one roll, while two sensors will monitor both rolls).

For the Dreamer, you will need to do some soldering. It's pretty straight-forward, and I can even add in the pins required to be soldered to the board.

RAMPS v1.4 with Marlin now supported.
​Click here. 
Price includes shipping for USA buyers. International buyers will have shipping charges added. International buyers responsible for import duties.
Choose Extruder

Real World Test

Above is a video of the filament end sensor in action. When paused, you can choose to leave the heaters running or to shut them off.

Sensor cable installed

Sensor cable plugged into a MightyBoard on a 2014-2018 FlashForge Creator Pro