brother mfc-7360n fax instructions keep saying replace drum
If you do not, printed pages may have a vertical stripe. Put the new drum unit and toner cartridge assembly in the machine. Press Clear to reset the drum counter before closing the front cover. Please reset the drum counter only when you replace the drum unit with a new one.For models with FAX functions: To confirm you are installing a new drum unit, press 1.For models without FAX functions: To confirm you are installing a new drum unit, press the Up Arrow Key.f you do not, printed pages may have a vertical stripe. Put the new drum unit and toner cartridge assembly in the machine. Press Clear to reset the drum counter before closing the front cover. Please reset the drum counter only when you replace the drum unit with a new one.