Samsung Msys SF-830 - Manual (Page 103)

O THER W AYS T O F AX 7.18
3 Press Enter when “MANAGEMENT” appears on the lower
line of the display.
4 Press or until “M. CODE : xxxxx” is displayed.
5 Select one between “1.DEL” and “2.CHANGE”.
6 If you press 1, the master code is deleted.
If you press 2, the LCD prompts you to enter new master
code.
7 Enter new master code, and press Enter.
The LCD prompts you to enter the code again. Enter the
code again.
8 Press Enter, and the master code is changed.
To return to Standby mode, press Stop/Clear.