You can set up a Standard Repayment Plan with  your loan servicer. If this does not work for you you can tell your loan servicer that you would like a different repayment plan. It is best to contact your loan servicer about repayment of  your loan.
Would you like to schedule an automatic monthly electronic debit for the repayment of your loan?
No I don't think I would like that.
Would you prefer to made a payment on your loan by sending a check by mail?
Yes I would like to pay by check.
That can be done. You will have to contact your loan servicer and ask for their mailing address and you can then mail them a check.
What are my options for making a payment of my loan?
You can contact your loan servicer who will advise you as to how to make payments on your loan.
How do I go about changing my repayment plan if my financial circumstances change?
It is best to contact your loan servicer about changing your repayment plan. However, you might want to use the Loan Simulator to get a look at which plans you may be eligible for and see estimates for how much  you would pay monthly before contacting your loan servicer.
I have not been able to make a couple of loan payments in the last months and am wondering what I should do about it?