thanks for your message.
we are so sorry for this.
you can try to tighten the two screws on the top of the machine, that's tp say you need to tighten the screws on the height aadjustment knob.
then you can see whether it is well to use.
Regards
thanks for your message.
we are so sorry for this.
you can try to tighten the two screws on the top of the machine, that's tp say you need to tighten the screws on the height aadjustment knob.
then you can see whether it is well to use.
Regards