Thread the machine before you sew anything

A Brother sewing machine will not work if the thread is not seated correctly in the tension discs and needle. The thread path matters more than the brand — if it skips the tension assembly or sits loose in the guides, your stitches will be uneven or the needle will break.

Raise the presser foot lever on the back of the machine. This opens the tension discs so thread can pass through. With the presser foot up, place the spool on the spool pin at the top of the machine and guide the thread down through the guides marked on the machine body. On most Brother models, you will see numbered guides — follow them in order. Thread the machine from left to right, then down through the tension discs (the metal plates that grip the thread), then through the needle bar guide, and finally through the needle eye from front to back. Lower the presser foot when you are done — this closes the tension discs and locks the thread in place.

If you thread with the presser foot down, the tension discs stay closed and the thread will not seat properly. This is the most common mistake and causes skipped stitches when ready.

Wind and insert the bobbin

The bobbin is the small spool that holds thread underneath the needle plate. Brother machines come with plastic bobbins that you wind yourself using thread from your spool. Place an empty bobbin on the bobbin winder pin (a small post on the top right of most Brother models), then guide thread from your spool through the bobbin winder tension guide and wrap it around the bobbin a few times by hand to anchor it.

Press the bobbin winder against the wheel on the side of the machine — it will engage and start winding automatically when you press the foot pedal. Stop when the bobbin is full (the winder will usually disengage on its own, or you can stop pressing the pedal). Remove the bobbin and trim the thread.

To insert the bobbin, open the bobbin case — on most Brother machines this is a small hinged door on the front of the machine below the needle. Drop the wound bobbin into the case with the thread tail pointing toward the small slot or hook inside. Pull the thread tail through the slot so it catches. Close the bobbin case. The bobbin thread should now be ready to lock with the needle thread when you start sewing.

Key Takeaways

  • Raise the presser foot before threading so the tension discs open and the thread seats correctly in the guides.
  • Follow the numbered thread guides on your Brother machine in order, then through the tension discs, then through the needle from front to back.
  • Wind the bobbin using the bobbin winder on the side of the machine, then insert it into the bobbin case with the thread tail caught in the slot.
  • Bring the bobbin thread up through the needle plate by turning the handwheel toward you once after threading, which locks the two threads together.
  • Adjust tension using the dial on the front of the machine if stitches look loose on top or bottom — start at the default setting and move the dial in small increments.

Bring the bobbin thread to the surface

After threading the needle and inserting the bobbin, you need to pull the bobbin thread up through the needle plate so both threads are ready to lock. Hold the needle thread lightly with your fingers and turn the handwheel (the large wheel on the right side of the machine) toward you one full rotation. The needle will go down and come back up, and the bobbin thread will loop around it and come through the hole in the needle plate.

Pull both thread tails toward the back of the machine and hold them while you take your first few stitches. This prevents the threads from tangling underneath and keeps your first stitches from bunching. Once you have sewn an inch or so, you can trim the tails and sew normally.

Set stitch length and width, then sew

Brother machines have a stitch length dial (usually marked 0 to 5) and a stitch width dial for decorative stitches. For a basic straight stitch, leave the width at 0 and set the length between 2 and 2.5 — this is standard for most fabric. Shorter lengths (1 to 1.5) are for delicate work or topstitching; longer lengths (3 to 4) are for basting or thick fabric.

Place your fabric under the presser foot and lower the foot using the lever on the back. The foot holds the fabric flat against the feed dogs (the metal teeth that move fabric forward). Position the fabric so the needle will enter where you want to start sewing. Press the foot pedal to start — the faster you press, the faster the machine sews. Guide the fabric gently with your hands but do not pull it; the feed dogs move it automatically.

To backstitch (lock the stitches so they do not unravel), press the reverse button on the front of the machine while sewing forward for an inch, then release it and sew forward again. Do this at the start and end of every seam.

Troubleshoot common problems

Skipped stitches: The needle is either not threaded correctly, bent, or inserted backward. Rethread the machine with the presser foot raised. If the problem continues, replace the needle — a bent or dull needle will skip stitches on every seam. Brother needles are standard sizes (size 70, 80, or 90 for most fabric), and you can buy them at any fabric store.

Loose stitches on top: The top tension is too loose. Turn the tension dial toward the higher numbers (4 or 5) in small steps and test on scrap fabric. If stitches are loose on the bottom, the tension is too tight — turn the dial toward lower numbers (1 or 2).

Thread breaks: The needle may be inserted backward, the thread may be caught on the spool, or the tension may be too tight. Check the needle first (it should have a flat side facing the correct direction — your Brother manual shows which way). Then check that thread is feeding freely from the spool. If both are correct, loosen the tension dial slightly.

Fabric does not move: The presser foot is not lowered, or the feed dogs are disengaged. Make sure the presser foot lever is all the way down. Some Brother models have a feed dog lever underneath the machine — check that it is in the "on" position.

Maintain your Brother machine

Clean out lint and thread scraps from the bobbin area every few hours of sewing. Open the bobbin case and use a small brush (many Brother machines come with one) to sweep lint from the feed dogs and around the bobbin case. Lint buildup causes tension problems and can jam the machine.

Oil the machine only if your manual says to do so — many modern Brother models are sealed and do not need oil. If yours does, use only sewing machine oil (not household oil) and explore it to the points your manual shows. Too much oil will stain fabric.

Replace the needle every 8 to 10 hours of sewing or whenever you notice skipped stitches. A dull needle damages fabric and causes tension problems. Keep spare needles on hand — they cost a few dollars and prevent frustration when a needle breaks mid-project.

Frequently Asked Questions

Why does my thread keep breaking?

Thread breaks when the needle is inserted backward, the tension is too tight, or the needle is bent or dull. Check the needle first — it should have a flat side facing the direction shown in your manual. If the needle is correct, loosen the tension dial by one or two numbers and test on scrap fabric. If thread still breaks, replace the needle.

What is the difference between tension and stitch length?

Stitch length controls how far the fabric moves forward with each stitch — longer numbers mean bigger stitches, shorter numbers mean smaller stitches. Tension controls how tight the thread is pulled. Both affect how your seams look, but they do different things. Start with stitch length at 2 and tension at the default (usually marked with a dot), then adjust only one at a time to find what works for your fabric.

Can I sew thick fabric like denim or canvas?

Yes, but use a heavy-duty needle (size 100 or 110) and increase stitch length to 3 or 4. Thick fabric needs a stronger needle and larger stitches to prevent the needle from breaking. You may also need to loosen tension slightly because thick fabric resists the feed dogs. Test on a scrap first.

How do I know if my bobbin is wound correctly?

A correctly wound bobbin should be full and even, with thread wrapped tightly around it in neat layers. If the bobbin is lumpy, half-empty, or the thread is loose, wind it again. A poorly wound bobbin causes tension problems and skipped stitches. Most Brother machines have a bobbin winder that stops automatically when full, so if you let it run until it stops, the bobbin should be correct.

What should I do if the needle breaks while I am sewing?

Stop when ready and remove the broken needle. Check the needle clamp (the small piece that holds the needle in place) for damage — if it is bent, the machine may need repair. Install a new needle, making sure it is inserted all the way up and facing the correct direction. Rethread the machine and test on scrap fabric before continuing your project.