Question about Singer Quantum 9940 Computerized Sewing Machine

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Singer 9940 letter function not working

Letters not sewing it does not advance to next letter

Posted by Anonymous on


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  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

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SOURCE: needle breaks during embroidering--also lettering is incorrectly spaced and some letters are wrong

Sounds like your embroidery foot isn't on properly. I have had this exact same problem and have had many needles break... it's because I didn't have the foot on nice and straight, even though it seemed like it. Try taking it off and putting it back on - you may have to do it several times, but once it's on properly, the needle should be dead-center of the little metal loop of the embroidery foot. If it's off, even a bit, the needle will break. Hope that helps. Remember -- patience, patience, patience!!!

Posted on Dec 05, 2009

  • 139 Answers

SOURCE: my singer sewing machine

Singer sells manuals on their site (a few you can download for free) at

Your model number is 2114.

Posted on Apr 08, 2010

  • 944 Answers

SOURCE: I just purchased a used


If there is a tension in the string this problem could arise see if the tensions are not present.

1. Check if top thread unwinds and feeds up well. If it falls ? it creates too high tread tension by not giving the thread to unwind properly.

2. Check that the needle is good, not sticky, and allows the thread to come through it easily. It should have a large enough eye.

3)Hitting the bobbin case may have knocked the timing off and the shuttle may have to be if you have hands on it replace it or take it to the service centre.

post a comment for further assistance.
Thank you for using fixya have a nice day:-)

Posted on Sep 05, 2010

  • 1564 Answers

SOURCE: i have an veary old singer desk type sewing machine that folds under the top. there is no markings nor numbers , just says singer sewing machines printed on a letter S

First let's identify your machine. Can you post a picture front and back?

Posted on Jul 27, 2012

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How to use singer quantum 9940 ?

Go to and under customer support, see instruction manual, click that and put 9940 in the box. Now you can download a free copy of your manual. Save a copy to your computer and you can also enlarge diagrams for easy viewing.

Dec 26, 2010 | Singer Quantum 9940 Computerized Sewing...

1 Answer

My Singer Quantum 9940 keeps stopping and displaying threading problem. I've re-threaded it 100's of times but it still stops after one inch of sewing!

There may be something in the tensioners. Try to clean between the tension discs with a business card. Maybe this will help

Aug 23, 2010 | Singer Quantum 9940 Computerized Sewing...

1 Answer

I try to make a button hole with the 9940 Singer machine and I continue to come up with the machine doing nothing. I follow the directions in the manual, the presser foot I've changed to the correct one...

To the left of the foot there is a silver button hole lever pull this down fully.

Make a note in your handbook for next time as recently this happen to me and it took me hours to work it out.

Hope this is your answer.

Feb 24, 2009 | Singer Quantum 9940 Computerized Sewing...

2 Answers


The machine will feed the material you only need to guide it gently and it will sew the letters sideways.

Jan 12, 2009 | SINGER 7470 Sewing Machine

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