Do all sewing machines have a presser foot tension regulator?


I am a mid to intermediate level seamstress. I've had two machines over the past 40 years, a Kenmore, followed by a White sewing machine, both very nice sewing machines. A few months ago, I purchased a Brother sewing machine. I was having difficulty sewing with it and realized the machine doesn't have a presser foot tension regulator. I assumed that to be standard on all sewing machines. I welcome all guidance or advice anyone might be willing to share with me. Thank you.

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