Wrinkle happens from label lower left to upper right direction
Pressure level: 5>4>3>2>1 (5 is the highest)
Step 1 Decrease the right side’s pressure per level to check whether wrinkles is gone. adjustment knob.
Step 2 If right side pressure knob has been turned to level 1, but the wrinkle still exists, increase the left side pressure knob per
level to check whether the wriknle has been disappeared or not..