Brother MFC-640CW 13, A

xvi

Troubleshooting and routine maintenance ..................... 13-1

Troubleshooting................................... ...........................13-1

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

How to improve print quality ......................................... 13-15

Cleaning the print head........................................... 13-15

Checking the print quality .......................................13-16

Checking the printing alignment .............................13-18

Checking the ink volume............................................... 13-19

Packing and shipping the machine...... .........................13-20

Routine maintenance.............................................. ......13-23

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

Appendix A ........................................................... ...............A-1

Telephone services.......................................................... A-1

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

Advanced receiving operations........................................ A-2

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 device to your machine..... ......... A-5

Connecting an external telephone.............. ............... A-5

Connecting an external telephone answering device

(TAD)............................................... ...................... A-6