So the stepper motor doesn't have enough power. You probably need to turn up the amps on the stepper drivers. The procedure for which can either adjust the little trimpots on the stepper drivers, or through software depending on your board.
Is the J-head hotend a chinese clone? I've heard they can jam often, whereas the original j-heads from hotends.com do really well.
Is the J-head hotend a chinese clone? I've heard they can jam often, whereas the original j-heads from hotends.com do really well.
