Roland JD-800 and JD-990 Factory Reset

The factory reset function will clean all your editings and restore original internal memory.

Use with caution. If you do this by mistake, there´s no way to undo this action.

JD-800: 

• Press data transfer.
• Page up to select factory preset.
• Press yes

JD-990: 

• Hold exit and press utility.
• Press F6.
• Press F5.