mixing extruder feedrate
I just trying to setup a mixing extruder, 1 nozzle with 2 extruders, firmware is work92 (latest update), Arduino-Due and Ramps-FD, Delta machine.
I found that after I enabled the mix extruder setting, the extruder stepper motor speed can not been controlled by feedrate value, either G1 E10 F400 or G1 E10 F1200, running in the same speed! Is it normal ? Or anything I missed ?