A needle that is not properly installed can result in thread breaks within the first few stitches, or no stitches at all. The purpose of this document is to provide details about needle orientation, identification and replacement:
CHOOSING THE RIGHT NEEDLE:
Make sure you are using the correct type of needle for your application.
Here is a needle manufacturer's guide to the Anatomy of a Needle.
Here is additional needle manufacturer information.
INSTALLING/REPLACING THE NEEDLE:
Watch this video to review proper needle replacement for your Melco embroidery machine.
Review this information on Needle Troubleshooting.
Make sure your needles don't have burrs or are twisted. When in doubt, try a replacement needle.