Brother MFC-3420C, MFC-3820CN 15

13	Troubleshooting and routine maintenance .....................	13-1
	Troubleshooting ..............................................................	13-1
	Error messages ........................................................	13-1
	Document jams.........................................................	13-4
	Document is jammed in the top of
	the ADF unit......................................................	13-4
	Document is jammed inside the ADF unit. ...........	13-4
	Printer jam or paper jam ...........................................	13-5
	Paper is jammed inside the front of
	the machine......................................................	13-5
	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 ...........	13-8
	How to improve print quality .........................................	13-12
	Cleaning the print head...........................................	13-12
	Print quality check...................................................	13-12
	Checking the ink volume...............................................	13-15
	Packing and shipping the machine .........................	13-16
	Routine maintenance....................................................	13-19
	Cleaning the scanner..............................................	13-19
	Cleaning the machine printer platen .......................	13-20
	Replacing the ink cartridges ...................................	13-21
G	Glossary ...............................................................................	G-1
S	Specifications ......................................................................	S-1
	Product description ..........................................................	S-1
	General ............................................................................	S-1
	Print media.......................................................................	S-2
	Copy ................................................................................	S-3
	PhotoCapture Center (MFC-3820CN only)......................	S-3
	Fax...................................................................................	S-4
	Scanner ...........................................................................	S-5
	Printer ..............................................................................	S-6
	Interfaces .........................................................................	S-6

xiv

12	Important information ........................................................	12-1
	For your safety..........................................................	12-1
	IT power system (For Norway only)..........................	12-1
	LAN connection ........................................................	12-1
	International E NERGY S TAR ® Compliance
	Statement .............................................................	12-1
	Important safety instructions.....................................	12-2
	Trademarks...............................................................	12-4