Brother MFC-7450

5-10
Confidential
<Operating Procedure>
MFC7840W/7840N/7450/7440N/7340/7320
(1) Press in order the 1 and 0 buttons in the initial stage of the maintenance mode.
The machine displays the "WSW00" on the LCD and becomes ready to accept a
firmware switch number.
(2) Enter the desired number from the firmware switch numbers (01 through 63).
The following appears on the LCD:
(3) Use the and buttons to move the cursor to the selector position to be modified.
(4) Enter a value to be set (0 or 1) using the 0 and 1 buttons.
(5) Press the OK button. This operation saves the newly entered selector values onto the
EEPROM and readies the machine for accepting a firmware switch number.
(6) Repeat steps (2) through (5) until the modification for the desired firmware switches is
completed.
(7) Press the Stop/Exit button to return the machine to the initial stage of the maintenance
mode.
Note :
• To cancel this operation and return the machine to the initial stage of the maintenance
mode during the above procedure, press the Stop/Exit button.
• If there is a pause of more than one minute after a single-digit number is entered for
double-digit firmware switch numbers, the machine will automatically return to the initial
stage of the maintenance mode.
Selector 1 Selector 8
WSWXX = 0 0 0 0 0 0 0 0