Things You'll Need
Instructions
Connect the PS3 with the "Demon's Souls" game save data to the new PS3 with an Ethernet cable. Connect both machines to your TV and switch both of them on. Toggle your TV's input until you have the first PS3 displayed.
Go to the "System Settings" option in the "Settings" submenu on the PS3's main menu. Scroll down to the "Data Transfer Utility" option and press "X."
Select the "Transfer data from this system to the other PS3 system" option. The PS3 will go on standby while it waits for the second PS3 to be ready for the transfer.
Toggle the video input on your TV until the second PS3 is displayed. Go to the Data Transfer Utility on this system. Select the "Transfer data from the other PS3™ system to this system" option. Allow the transfer to complete.
Load your copy of "Demon's Souls" into the PS3. When the game loads, you will be able to load the saved data.