European models:
Press the
Menu/Set, *, 2, 8, 6, and 4 keys in this sequence to make the machine enter the
maintenance mode.
Other models:
Press the Menu/Set and Fax Start keys. Next press the key four times to make the machine enter
the maintenance mode. (TIP: Models equipped with numerical keypads can enter the maintenance
mode in the same way as conventional models; that is, by pressing the Menu/Set, *, 2, 8, 6 and 4
keys in this sequence.)