are you using dual steppers on your Y axis? Or dual steppers on Z?
Ie trying to use e1 for two things
How about posting your config and some machine details as I suspect its user error, but cant attempt to replicate without your config.
no one else has reported any dual extruder issues...
Edited 1 time(s). Last edit at 08/17/2017 05:59AM by Dust.