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[[File:Set_eeprom1EEProm2.png|right|frame|<center>EEPROM settings can be found under the Configuration tabOptions menu.</center>]]MatterControl can set EEProm settings for both Marlin and Repetier firmwares.
== Procedure ==
[[File:Set_eeprom2.png|none]]
#Navigate to [[File:Settings Controls.png|link=Settings & Controls]]#Click on the [[File:Options.png|link=Options]] tab
#Connect to your printer
#In the '''EEProm''' section click on [[File:EEProm_configure.png|link=Options/EEProm]]#Change the '''Steps per mm:''' to correct for any discrepancy you find in your movement distances. [[File:Set_eeprom5.png]]
=== Equation ===
Here is the equation to find the correct value:
<code>Desired_Steps_Per_mm New_Value = Actual_Steps_Per_mm * Current_Steps_Per_mm Current_Value / Actual_Distance * Desired_Distance</code>
So if the current value for X was 80 and the printer only moved 97mm when trying to move 100mm, the equation would be: <code>97 * 80 / 97 * 100</code>The new X Steps Per mm to 7782.47. The same principle applies for the extruder. If over/under-extruding, use this equation.6
== Cartesian vs. delta ==
Delta printers only have one '''Steps per mm''' field because all three motors work in conjunction to triangulate the position of the nozzle. Thus, only one calculation is needed if the dimensions of the printed part differs from those of the model. If measured independently, they should all be off by the same ratio. If not, the problem lies elsewhere.
[[Category:How-to]]
[[Category:Troubleshooting]]
