(For FAX-2820 and MFC-7220)When you turn off the machine's power switch its memory will be cleared.Check whether the machine has faxesin its memory. If there are faxes youneed to save them before following thesuggestions below. Turn off themachine's power switch and then turnit on again. If the error messagecontinues, leave the machine for several minutes and try it again.(For FAX-2920 and MFC-7225N)Turn off the machine's power switchand then turn it on again. If the error message continues leave the machinefor several minutes and then try itagain. (The machine can be turned off for up to 4 days without losing faxesstored in the memory.)