Go to www.singerco.com and under customer service you can download a free manual. You will see on page 11 how to change your presser feet, snap on and regular screw on.
In the event that your Vocalist Quantum Beautician 9980 isn't playing out the needle change and won't sew, there could be a few issues. To begin with, guarantee the machine is strung accurately, and the bobbin is appropriately embedded. Check in the event that the needle is embedded accurately and not harmed. On the off chance that the issue continues, counsel the client manual for investigating tips or consider reaching Artist client assistance for additional help.
Lois, all questions need full 'make model (what it is) please. Futura is a range of models so ''Singer Futura' isn't specific enough. Add the model number after the word 'Futura' and press enter.. You can also look for the Service Manual. There is one in the link, but no Error 20.
https://www.google.com/search?q=Singer+Futura+Error+20
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