Tangled thread on wrong side of fabric

Incorrect thread tension

Upper thread tightened up

How do I change the needle ?

How do I draw up the lower thread?

How do I remove or attach the presser foot holder?

How do I remove or attach the presser foot ?

The bobbin thread cannot be pulled up.

The machine does not make stitches

How to use the Pin Tuck Foot. (Optional accessory : SA179 / F058, F059, SA162 / F037N) [Video instructions]

When I press the Start-Stop Button or Foot Controller, my machine makes a whirring noise, but the Needle bar does not move.

How do I sew hook-and-loop fasteners(hook-and-loop tapes)?

Fabric and Thread

How to use the Concealed Zipper Foot. (Optional accessory : SA102/F080) [Video instructions]

Basic operations and sewing [Video instructions]

Fabric is caught in the machine and cannot be removed

Maintenance [Video instructions]

Replacing the needle [Video instructions]

Zipper insertion [Video instructions]

Buttonhole sewing [Video instructions]

Satin Stitching [Video instructions]

Thread tension [Video instructions]

Reverse sewing [Video instructions]

Start sewing [Video instructions]

Upper threading [Video instructions]

Winding the bobbin and lower thread setting [Video instructions]

Setting up the sewing machine [Video instructions]

How do I wind the bobbin?

How do I install the bobbin wound with thread?

How do I thread my machine?

Why does the lower thread keep breaking?

Combination of fabric, thread and needle

How do I clean the machine? (Cleaning the race)

Why does the needle keep breaking?

Where do I put the oil in my machine?

How do I sew such as vinyl, leather, quilting layers and velvet?