Brother MFC-8440 User Manual page 20

21
Important information ........................................................21-1
Important safety instructions........................................... 21-3
Trademarks..................................................................... 21-5
22
Troubleshooting and routine maintenance ..................... 22-1
Troubleshooting ............................................................. 22-1
Packing and shipping the MFC..................................... 22-21
Routine maintenance.................................................... 22-24
xix
IEC 60825 Specification ........................................... 21-1
Laser Diode .......................................................... 21-1
Caution ................................................................. 21-1
For your safety.......................................................... 21-2
Disconnect device..................................................... 21-2
IT power system (For Norway only)...................... 21-2
LAN connection .................................................... 21-2
International E
NERGY
Statement ............................................................. 21-2
Error messages ........................................................22-1
Document jams......................................................... 22-5
Document is jammed in the top of the ADF unit.....22-5
Document is jammed inside the ADF unit. ...........22-5
Paper jams................................................................ 22-6
Paper is jammed in the duplex tray
(For MFC-8840D) ........................................... 22-10
If you are having difficulty with your MFC ............... 22-12
Improving the print quality....................................... 22-17
Cleaning the scanner.............................................. 22-24
Cleaning the printer ................................................ 22-25
Cleaning the drum unit............................................ 22-26
Replacing the toner cartridge.................................. 22-27
How to replace the toner cartridge.......................... 22-27
Replacing the drum unit..........................................22-32
Checking the drum life ............................................ 22-35
Page Counter ......................................................... 22-35
TAR ®
S Compliance