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howto:steps_per_unit_mm

Steps per unit(mm)


Original steps per mm

Original Default Values
Firmware
Version
X Y Z E
41 & below 56.50 56.50 56.50 48.50
43 & up 113.00 113.00 113.00 97.00
If updating to version 43 or higher from 41 or lower, you may need to lower the steps per mm back to the previous values.

Corrected steps per mm

Correct Values
Firmware
Version
X Y Z E
41 & below 57.14 57.14 57.14 48.50
43 & up 114.28 114.28 114.28 97.00
If updating to version 43 or higher from 41 or lower, you may need to lower the steps per mm back to the previous values.

View current values

  1. Send command “M503” (See sending G-code)
    • Must connect via USB. “M503” will not give response via WiFi.
  2. Look for:
    • “Steps per unit:”
    • “M92 X56.50 Y56.50 Z56.50 E48.50”
      • or
    • “M92 X113.00 Y113.00 Z113.00 E97.00”

“E48.50” in the first example above is the Extruder's steps per mm


Modify the steps per mm

See sending G-code for more information on how to send the commands below.

modify_steps_per_mm_114.28.gcode
M92 X114.28 Y114.28 Z114.28 E97.00
M500 ; this saves the new values to EEPROM

Or

modify_steps_per_mm_57.14.gcode
M92 X57.14 Y57.14 Z57.14 E48.50
M500 ; this saves the new values to EEPROM

Reboot printer to complete the process


NOTE: When sending commands manually there needs to be a space between the command and the parameters.
For example:
G92E0 needs to be G92 E0


Triffid Hunter's Calibration Guide - E steps
http://reprap.org/wiki/Triffid_Hunter's_Calibration_Guide#E_steps

How to calibrate the Extruder on your 3d Printer
http://www.instructables.com/id/How-to-calibrate-the-Extruder-on-your-3d-Printer/

Calibration - Extrusion
http://reprap.org/wiki/Calibration#Extrusion

How To Calibrate Your Extruder
https://www.matterhackers.com/articles/how-to-calibrate-your-extruder

howto/steps_per_unit_mm.txt · Last modified: 2018/07/21 06:54 by Matthew Upp