You can find the menu on the printer's control panel below.
Settings > General Settings > Fax Settings > Receive Settings > Save/Forward Settings > Unconditional Save/Forward
On the Web Config screen, you can find the menu below.
Fax tab > Save/Forward Settings > Unconditional Save/Forward
You can set saving and forwarding destinations to the Inbox, a computer, an external memory device, email addresses, shared folders, and other fax machines. You can use these features at the same time. If you disable all items in Unconditional Save/Forward, the printer is set to print received faxes.