Brother manual 5

3	General Information	74
	Control panel ...........................................................................................................................................	74
	Control panel overview ......................................................................................................................	74
	LED indications..................................................................................................................................	76
	Machine status messages .................................................................................................................	76
	Menu table.........................................................................................................................................	77
	Reprinting documents..............................................................................................................................	90
	Reprinting the last job........................................................................................................................	90
	How to reprint the last job..................................................................................................................	90
	Printing Secure data ................................................................................................................................	91
	Secure data .......................................................................................................................................	91
	How to print Secure data ...................................................................................................................	91
	Security features......................................................................................................................................	92
	Secure Function Lock 2.0..................................................................................................................	92
	Setting Lock.......................................................................................................................................	92
	Ecology features ......................................................................................................................................	94
	Toner Save ........................................................................................................................................	94
	Sleep Time ........................................................................................................................................	94
	Deep Sleep mode..............................................................................................................................	94
	Quiet mode feature ..................................................................................................................................	95
	Turning Quiet mode on/off.................................................................................................................	95
4	Options	96
	Lower tray (LT-5400) ...............................................................................................................................	97
	SO-DIMM ................................................................................................................................................	98
	SO-DIMM types .................................................................................................................................	98
	Installing extra memory .....................................................................................................................	99
5	Routine Maintenance	101
	Replacing consumable items.................................................................................................................	101
	Replacing the toner cartridge ..........................................................................................................	103
	Replacing the drum unit...................................................................................................................	110
	Cleaning and Checking the machine .....................................................................................................	116
	Cleaning the outside of the machine ...............................................................................................	116
	Cleaning the corona wire.................................................................................................................	118
	Cleaning the drum unit ....................................................................................................................	120
	Cleaning the paper pick-up roller.....................................................................................................	125
	Packing and shipping the machine ........................................................................................................	126
6	Troubleshooting	129
	Identifying your problem ........................................................................................................................	129
	Error and maintenance messages.........................................................................................................	130
	Paper jams ......................................................................................................................................	134
	If you are having difficulty with your machine ........................................................................................	147
	Improving the print quality......................................................................................................................	151
	Machine Information ..............................................................................................................................	158
	Checking the Serial Number............................................................................................................	158
	Default settings................................................................................................................................	158
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