Post a payment against a customer invoice:
1) On the desktop click on the work flow icon Receive Payments, or click Customers on the top menu then Receive Payments.
2) Select in Receive From the customer.
3) Enter the amount received or click the invoice in the list.
4) Click Save and Close.
5) If you have the Intuit Merchant Services credit card solution activated the credit card processing screen will automatically launch at this point. The customer credit card information is defaulted. Normally no changes are required on this screen. You can enter a Memo and Reference number.
6) Finally print the receipt. You can print the receipt to a PDF and email to the customer if required.