How to Clean the Lint Out of a Sewing Machine

Skipped stitches, grinding noises, and thread bunching are the three symptoms that most often send sewers to a repair shop. In a high proportion of these cases, the real cause is lint compacted in the cavity beneath the needle plate, not a mechanical fault.

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Lint is the short, fine fibre that comes off fabric as you sew. It accumulates in the bobbin area, around the hook, and under the feed dogs—the tiny metal teeth that pull fabric through. This isn’t just cosmetic. When lint compacts around the hook mechanism, it interferes with the thread looping action that forms every stitch. The hook can’t catch the thread properly, which shows up as skipped stitches, uneven tension, or thread bunching underneath the fabric.

Fluffy and loosely woven fabrics are the worst culprits. Fleece, wool, terry cloth and quilt batting all shed heavily, and if you’ve just finished a project with any of these, your machine is likely collecting fibres right now. Left untreated, compacted lint doesn’t just cause stitch faults; it can put extra load on the motor and wear down moving parts over time.

The good news is lint is a cleaning problem, not a repair problem. You don’t need a service for this.

Tools for the Job

You don’t need much to do a proper job, and you probably already have most of it.

A small lint brush is the main tool. Dedicated brushes from makers like Janome or Bernina are designed with the right shape to reach into the bobbin case and around the hook without damaging components. Brushes like these cost very little and do the job properly. A Singer Lint Brush (paid link) is a similar option; check the bristles are firmly seated so they don’t shed into the bobbin area.

Buy Singer Lint Brush on Amazon → (paid link)

If you’re not ready to spend anything, a clean, dry paintbrush with fine bristles is a functional substitute, especially once the needle plate is removed.

You’ll also need a small screwdriver. Many machines use one or more screws to secure the needle plate, while others use different fastening systems; check the manual for your specific model.

The Deep Clean — Accessing the Lint Trap

Brushing lint from the top of the bobbin area and around the feed dogs removes surface lint only. The compacted fibres around the hook and in the deep cavity under the needle plate may remain if you don’t remove the plate itself.

📺 Watch: How to clean lint out of a sewing machine

Most domestic machines have a screw-on needle plate. Remove the fastener, lift the plate away, and you’ll see the full picture. This is where lint actually accumulates.

The process:

1. Switch off and unplug the machine. Remove the needle and presser foot.
2. Locate the needle-plate fastener as shown in your manual.
3. Unscrew and lift the plate away. You may need to slide it slightly to release it from the housing.
4. Use your lint brush or paintbrush to dust away fibres from the bobbin area, the hook, and the cavity under the feed dogs.
5. Brush everything loose, then use a low-suction vacuum to draw it out if your machine is compatible with that approach.
6. Reattach the needle plate and screw it firmly.

One thing to avoid: don’t blow lint out with your breath. Compressed air may drive lint deeper, and condensation can be a risk; follow the manual. A brush and vacuum are safer.

A small paintbrush can be used as an effective substitute if your sewing machine did not come with a cleaning brush, but for regular maintenance a dedicated brush is worth the small investment.

Now you know what to look for—Download the Free Sew and Fix Fault-Finding Checklist to check whether lint is the only issue or whether something else needs attention.

Prevention — How to Stop Lint Coming Back

Cleaning out a full lint trap is a bit of a chore, but it’s easy to reduce how often you need to do it. The simplest thing you can do is keep your machine covered when you’re not using it. A dust cover (paid link)See on Amazon can help keep dust and pet hair out when the machine is stored.

Clean according to your machine’s manual and more often when lint accumulates. Make it part of your finishing routine: brush out the bobbin area, remove the needle plate and clear the lint trap, then cover the machine.

Covering is a preventative measure, not a replacement for deep cleaning. The two work together.

Can I use compressed air to clean my machine?

No. Compressed air can drive lint and dust deeper into the machine’s mechanisms rather than clearing it, and moisture from aerosol cans can corrode internal parts. A brush and a low-suction vacuum are the safer tools.

📺 Watch: How to Clean Your Sewing Machine

How often should I clean my machine?

Clean according to your machine’s manual and more often when lint accumulates. Let the fabric type guide you too—loosely woven and fluffy materials need more frequent attention than tightly woven cotton.

📺 Watch: How To Properly Clean Your Janome Sewing Machine

Do I need to oil my machine after cleaning it?

Cleaning and oiling are separate processes. Many modern machines are sealed or self-lubricating and should not be oiled by the user at all—your manual will tell you what’s right for your machine. Some makers list machine oil as an accessory, but that doesn’t mean every machine needs it. Check the manual before adding any lubricant.

Sewing Machine Cleaning Frequency Guide

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Taking the Next Step

Cleaning lint from your machine is one of those jobs that takes ten minutes and saves a service call. Turn off and unplug, remove the needle plate, brush out the deep cavity, and put it back together. Cover the machine when you’re done. This covers basic user cleaning; professional servicing may involve additional checks.

If you’ve worked through this and the machine is still skipping stitches, the problem is likely to be the needle—a blunt or wrong-type needle is a more common culprit than people expect. Grab our free fault-finding checklist to check the order of what to look at next.

Clean the lint from your machine after every 8-10 hours of use; for the full maintenance schedule this fits into, see our How to Clean, Oil and Look After a Sewing Machine at Home .