My parent's don't have a SSN

For the FAFSA, I know that I have to put all 0’s in the part that asks for their social. However, my parent’s cannot make a pin number because they don’t have a SSN. So I know I’m suppose to print out the signature page but where can I find that and how do I print that out?
Also, with deadlines being February 1st, can I submit the signature to the federal government and then send the FAFSA to my colleges or do I have to wait until they confirm my application before I submit?

Here is the printing instruction from the FAFSA. The second link has a phone number to call if you have questions.

https://fafsa.ed.gov/help/printsigpage.htm
https://fafsa.ed.gov/help/fotwfaq17.htm