Users Manual - English
Page 147
... toner cartridge installed in the original carton with the carrier. The machine should be accurate only if you have reset the drum counter during the life of drum life. a Turn off the power make sure the machine has cooled down completely. Troubleshooting and routine maintenance Checking... came with your warranty. You can see the remaining percentage of a used drum. d Open the front cover. g Close the front cover. a (For MFC-7440N) Press Menu, 5, 3. (For MFC-7840W) Press Menu, 6, 3. f Place the drum unit and toner cartridge assembly into the plastic bag and seal the bag....
... toner cartridge installed in the original carton with the carrier. The machine should be accurate only if you have reset the drum counter during the life of drum life. a Turn off the power make sure the machine has cooled down completely. Troubleshooting and routine maintenance Checking... came with your warranty. You can see the remaining percentage of a used drum. d Open the front cover. g Close the front cover. a (For MFC-7440N) Press Menu, 5, 3. (For MFC-7840W) Press Menu, 6, 3. f Place the drum unit and toner cartridge assembly into the plastic bag and seal the bag....