Thanks for your reply scott, i understand how to update the marlin software, i am having trouble coming up with the proper steps for the extruder stepper, there are several different methods on the net however i come up with a different number of steps on each formula.
I am new to the hobby, i purchased a prusa clone unit, and updated it with the titan aero extruder, i cannot seem to wrap my head around the changes needed in the Marlin firmware. The unit has 3:1 gearing with a 7.3mm hobb gear. I know how to update the Marlin program but don't know how to come up with the steps per mm.
Thanks for any help you can offer.
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