Brother MFC-8420 User Manual page 439

To change the default setting of
the scan, click on the Scan
Settings tab ..................... 15-9
Tone signals on Pulse line
......................................... 7-10
Toner cartridge
replacing ...................... 22-27
Tray use, setting
copy ............................... 4-12
fax .................................. 4-13
Troubleshooting ................ 22-1
error messages on LCD
...................................... 22-1
if you are having difficulty
incoming calls ........... 22-13
paper handling .......... 22-15
phone line difficulties .. 22-12
printer difficulties ....... 22-14
printing or receiving faxes
................................. 22-12
V
Volume, setting ................... 4-8
beeper ............................. 4-8
ring ................................... 4-8
speaker ............................ 4-9
I - 5 INDEX