Brother MFC-640CW User Manual page 18

13
Troubleshooting and routine maintenance ..................... 13-1
Troubleshooting .............................................................. 13-1
How to improve print quality ......................................... 13-15
Checking the ink volume............................................... 13-19
Packing and shipping the machine ............................... 13-20
Routine maintenance.................................................... 13-23
A
Appendix A .......................................................................... A-1
Telephone services.......................................................... A-1
Advanced receiving operations........................................ A-2
Connecting an external device to your machine.............. A-5
xvi
Error messages ........................................................ 13-1
Document jams......................................................... 13-5
Document is jammed in the top of the ADF unit......... 13-5
Document is jammed inside the ADF unit ............ 13-5
Printer jam or paper jam ........................................... 13-6
Paper is jammed inside the paper tray ................. 13-6
Paper is jammed inside the machine.................... 13-7
If you are having difficulty with your machine ........... 13-9
Setting Dial Tone detection..................................... 13-14
Compatibility ........................................................... 13-14
Cleaning the print head........................................... 13-15
Checking the print quality ....................................... 13-16
Checking the printing alignment ............................. 13-18
Cleaning the scanner.............................................. 13-23
Cleaning the machine printer platen ....................... 13-24
Cleaning the Paper Pick-up Roller.......................... 13-25
Replacing the ink cartridges ................................... 13-26
Uninstalling or installing the handset and handset
cradle.................................................................. 13-30
Uninstalling the handset and handset cradle...... 13-30
Installing the handset and handset cradle .......... 13-31
BT Call Sign (For U.K. Only)...................................... A-1
To enable the machine to work with BT Call Sign
(Only with your external phone)......................... A-1
Operation from extension telephones........................ A-2
Fax/Tel mode in the power save condition ................ A-3
For Fax/Tel mode only............................................... A-3
Using a cordless external handset............................. A-4
Changing the remote codes....................................... A-4
Connecting an external telephone ............................. A-5
Connecting an external telephone answering device
(TAD) ..................................................................... A-6