Singer 1525 Mechanical Sewing Machine "backward forward not" Questions

The Feeder Dogs are not moving forward or backwards on my sewing machine. I have a Kenmore Sewing Machine (Model #385.16221301 -- Serial #74152057). I was sewing along and then the Feeder Dogs stopped

...to me (used) Ambition 1.0 skipping stitches when in free motion with feed dogs down and sewing in a backwards direction (stitches fine when going forward or even sideways). You have to be more slow ...

...mechanical issue? The needle just moves up and down in one spot when I reverse it it does not move backwards when I release the backwards lever it won’t move forward. What next? Make sure that the ...

where reverse linkage is located, my machine starting sewing backwards only, wont move forward told to check reverse linkage to make sure not stuck, where is it located. not sure if this link will ...

...forward & backward. If they still do not move and your machine is mechanical (not computerized), the old oil may have solidified and is preventing them from moving. A good cleaning and oiling may ...

your fabric forward or backward. This might be your problem if you recently created a buttonhole. Most sewing machines require you to set your stitch length to zero for the automatic buttonhole stitch

...forward as well as backward. I just had my Janome cleaned and adjusted today. Should I bring it back in or is it a normal thing for the Janome? try adjusting the top thread tension for the loops try ...