Why are stitches skipped on my Janome MyLock 644D Sewing Machine?
Skipped stitches on your Janome Sewing Machine could be due to a bent or blunt needle, the machine not being threaded correctly, or the needle being incorrectly inserted.
Why is the fabric not being fed smoothly in my Janome Sewing Machine?
If the fabric isn't feeding smoothly through your Janome Sewing Machine, it might be because the feed dog is packed with lint or the presser foot has been raised. Try lowering the presser foot.
What to do if the fabric is not cut neatly with my Janome MyLock 644D?
If the fabric isn't being cut neatly, it could be due to the upper knife not being adjusted properly or being dull. In either case, a possible solution is to replace the upper knife.
Why does the needle break on my Janome MyLock 644D?
There are several reasons why the needle might break on your Janome Sewing Machine. It could be incorrectly inserted, bent, blunt, or the fabric is being forcedly pulled. To address this, try to pull the fabric lightly.
Why does the thread keep breaking on my Janome MyLock 644D?
A few things could cause the thread to break on your Janome Sewing Machine. The machine might not be threaded correctly, the needle or looper thread tension could be too tight, or the needle might be incorrectly inserted, bent, or blunt.
Why is the seam not sewn neatly on my Janome MyLock 644D Sewing Machine?
A seam that isn't sewn neatly on your Janome Sewing Machine could be caused by several factors: the needle and/or looper thread tensions not being correctly adjusted, the machine not being threaded correctly, the needle and/or the thread not being suitable for the fabric, or the thread not being between the tension discs.
What causes seam puckering on my Janome MyLock 644D Sewing Machine?
Seam puckering on your Janome Sewing Machine can occur if the needle or looper thread tension is too tight, the machine is not correctly threaded, or the differential feed dial is not correctly adjusted.
General| Type | Overlock |
|---|---|
| Number of Threads | 2/3/4 |
| Maximum Sewing Speed | 1300 stitches per minute |
| Differential Feed | Yes |
| Stitch Length | 1 - 4 mm |
| Rolled Hem | Yes |
| Adjustable Presser Foot Pressure | Yes |
| Stitch Types | 3-thread overlock, 4-thread overlock, rolled hem |
| Differential Feed Ratio | 0.5 - 2.25 |
Lists and identifies the various parts of the sewing machine.
Steps to connect the sewing machine to the power source.
How to adjust and control the sewing speed using the foot controller.
Step-by-step guide for changing the sewing machine needle.
How to adjust presser foot position and pressure.
How to select and adjust stitch length and differential feed.
Complete guide to threading the machine with all threads.
Detailed steps for threading the lower looper.
Detailed steps for threading the upper looper.
Setting the machine, thread, fabric, and tension dial for hemming.
Common problems and their solutions.
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