Brother HL-S7000DN Service Manual page 425

1.4.14 USB storage memory formatting function (Function code 41)
<Function>
This function allows you to format the USB storage memory. You can delete the data by
writing 0 in all the selectors without leaving information as much as possible.
<Operating procedure>
(1) Press the 4 and 1 buttons in this order in the initial state of the maintenance mode.
"STORAGE FORMAT" is displayed on the LCD.
(2) Press the OK button. "FORMATTING..." is displayed on the LCD, and formatting of the
USB storage memory starts.
(3) When formatting is finished, "FORMAT END" is displayed on the LCD.
(4) Press the Cancel button. The machine returns to the initial state of the maintenance mode.
(5) Turn the power OFF and ON. After the power is turned OFF and ON, the functions
related to the storage become available.
Note:
- Be sure not to turn OFF the power and take out and insert the USB storage memory
connected to the main PCB during formatting.
- Formatting takes approx. 5 min although there is some difference depending on the
USB storage memory.
- If a storage I/O error has occurred, when formatting is completed correctly, the error
will be cleared.
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