Users Manual - English
Page 128
...installed both a toner cartridge and a drum unit in the machine. WARNING HOT SURFACE CAUTION To prevent damage to reset the machine. If you do this section. Paper jams B To clear paper jams, please follow the steps in this , you may cause a paper jam in your Brother machine. • If the error... message remains, open the front or back cover (back output tray) of the machine will be extremely hot. After you have not installed a drum unit or have just used the machine, some internal parts of the machine, DO NOT touch...
...installed both a toner cartridge and a drum unit in the machine. WARNING HOT SURFACE CAUTION To prevent damage to reset the machine. If you do this section. Paper jams B To clear paper jams, please follow the steps in this , you may cause a paper jam in your Brother machine. • If the error... message remains, open the front or back cover (back output tray) of the machine will be extremely hot. After you have not installed a drum unit or have just used the machine, some internal parts of the machine, DO NOT touch...
Users Manual - English
Page 147
... machine should be accurate only if you have reset the drum counter during the life of drum life. e Remove the drum unit and toner cartridge assembly. Troubleshooting and routine maintenance Checking the Drum life B You can see the machine's drum life on the LCD. a (For MFC-7440N) Press Menu, 5, 3. (For MFC-7840W) Press Menu, 6, 3. b Unplug the machine from the...
... machine should be accurate only if you have reset the drum counter during the life of drum life. e Remove the drum unit and toner cartridge assembly. Troubleshooting and routine maintenance Checking the Drum life B You can see the machine's drum life on the LCD. a (For MFC-7440N) Press Menu, 5, 3. (For MFC-7840W) Press Menu, 6, 3. b Unplug the machine from the...