Installation manual BMG for Creality CR-10 V1.0 9
Software Configuration
As the new extruder uses a gear reduction to create a high extrusion resolution and
high torque the E-step value needs to be changed. The E-step value tells the printer
how many steps to send to the motor for each mm of filament.
Using original firmware
If you are using the original firmware on your printer you will have to add the
following line to the start script so it will set the new E-step value to 415.
M92 E415
This is the standard start script for Creality CR-10 in Simplify3D
G28 ; home all axes
G1 Z5 F3000 ; lift
G1 X5 Y10 F1500 ; move to prime
G1 Z0.2 F3000 ; get ready to prime
G92 E0 ; reset extrusion distance
G1 Y80 E10 F600 ; prime nozzle
G1 Y100 F5000 ; quick wipe
We add the following line.
G28 ; home all axes
M92 E415 ; set new E-step value for Bondtech BMG Extruder
G1 Z5 F3000 ; lift
G1 X5 Y10 F1500 ; move to prime
G1 Z0.2 F3000 ; get ready to prime
G92 E0 ; reset extrusion distance
G1 Y80 E10 F600 ; prime nozzle
G1 Y100 F5000 ; quick wipe
If you are using Cura you will be using the same method.
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