SP-404MK2: How do I perform a factory reset? – Roland Corporation

The SP-404MK2's factory reset restores all sample and pattern data and system settings to their factory defaults.

Note: This operation erases all data saved on this unit. To save your data beforehand, use the backup function.

Refer to the video or the steps below.

Hold down the [SHIFT] button and press the pad [13].
The UTILITY MENU screen appears.
Use the [VALUE] knob to select “FACTORY”, and press the [VALUE] knob.
The UTILITY / FACTORY RESET screen appears.

Turn the [VALUE] knob to select the data to initialize, and press the [VALUE] knob to confirm.

Value	Explanation (data to initialize)
ALL DATA	This initializes all data. The samples and patterns are restored to the factory default data.
SYSTEM DATA	This restores the settings for the system parameters and effect parameters to their factory defaults. This has no effect on the samples and patterns.

A confirmation message appears, asking if you want to initialize the data.

Turn the [VALUE] knob to select "OK", and press the [VALUE] knob.
The message "Please Power OFF" appears.
Turn the power off, then on again.