nOperating Procedure

(1)Press the 1 and 0 keys in this order in the initial stage of the maintenance mode.

The equipment 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 36). The following appears on the LCD:

WSWXX = 0 0 0 0 0 0 0 0

(3)Use the and keys to move the cursor to the selector position to be modified.

(4)Enter the desired number using the 0 and 1 keys.

(5)Press the Set key. This operation saves the newly entered selector values onto the EEPROM and readies the equipment 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 Set or Stop key to return the equipment to the initial stage of the maintenance mode.

NOTES: • To cancel this operation and return the equipment to the initial stage of the maintenance mode during the above procedure, press the Stop key.

If there is a pause of more than one minute after a single-digit number is entered for double-digit firmware switch numbers, the equipment will automatically return to the initial stage of the maintenance mode.

nNote

The user-accessible selectors of the firmware switches are shaded in the tables given on the following pages.

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Brother FAX-931, MFC-970MC, FAX-921 service manual Operating Procedure