FAQs & Troubleshooting
![]() |
Popular |

Innov-is F420
84 Results
1.
How do I adjust a stitch width or length?
2.
How to adjust the thread tension
3.
How to use the foot controller with the machine
4.
How do I adjust the sensitivity of the operation keys?
5.
Tips for sewing thin fabrics
6.
Where do I put the oil in my machine?
7.
The stitch is not sewn correctly
8.
How do I sew with the twin needle?
9.
How do I clean the race?
10.
Combination of fabric, thread and needle
11.
Tips for sewing thick fabrics
12.
Fabric does not feed through the machine.
13.
Incorrect thread tension
14.
How do I design a stitch with MY CUSTOM STITCH function?
15.
How to use the Piping Foot. (Optional accessory : SA192 / F067) [Video instructions]
16.
How do I thread the machine (Threading the upper thread)?
17.
How do I change the needle ?
18.
How do I wind the bobbin?
19.
How to use the Bi-level Foot. (Optional accessory : SA103/F081, SA104/F082) [Video instructions]
20.
How do I set the bobbin ?
21.
How to use the Roller Foot. (Optional accessory : SA190 / F066) [Video instructions]
22.
Tangled thread on wrong side of fabric
23.
Fabric is caught in the machine and cannot be removed
24.
Upper thread tightened up
25.
Upper thread breaks.
26.
Fabric puckers
27.
The machine does not make stitches
28.
The fabric feeds in the opposite direction.
29.
Basic procedure to sew stitches
30.
How do I remove or attach the presser foot ?