I believe that the option to print a payment receipt is necessary for business. I have customers that don't pay all invoices in full - partial payments are made and receipts need to be issued. It is invonvenient to have to print a statement. All cusomers have the right to ask for a printed receipt for money paid
This feature has been completed and is available in Reckon Accounts 2020 R1 Desktop (AU, NZ) and Reckon Accounts Hosted (NZ only).
Reckon Accounts Hosted (AU) will receive the feature when the 2020 version is released. This is usually late June to coincide with the tax table / budget update, however with the current uncertainty around the Australian federal budget this release may be brought forward. All users will be notified if that is the case.
Release notes: https://help.reckon.com/article/btnrvoe4yz