- Set the bit 0 of System Bit Switch 00 to 1.
 - Enter Address Book Management mode ([User Tools] > [Machine Features] > [System Settings] > [Key Operator] > [Address Book Management]).
 - Select the address book that you want to program.
 - For the fax parameter, select "Fax Dest.", for the E-mail parameter, select "E-mail", then press "Start". Make sure that the LED of the Start button lights green.
 - The settings for the switch 00 are now displayed. Press the bit number that you wish to change.
 - To scroll through the parameter switches, either:
 - Select the next switch: press "Next" or Select the previous switch: "Prev." until the correct switch is displayed. Then go back to step 6.
 - After the setting is changed, press "OK".
 - After finishing, reset bit 0 of System Bit Switch 00 to 0.