Brother 5450DN, HL-5450DN, HL-5450DNT manual 5

3	General Information	71
	Control panel ...........................................................................................................................................	71
	LEDs (Light Emitting Diodes) ............................................................................................................	71
	Service call indications ......................................................................................................................	79
	Control panel keys.............................................................................................................................	81
	Print a test page ......................................................................................................................................	82
	Using the Go key ...............................................................................................................................	82
	Using the printer driver ......................................................................................................................	82
	Print a Printer Settings page....................................................................................................................	83
	Using the Go key ...............................................................................................................................	83
	Using the printer driver ......................................................................................................................	83
	Print Fonts ...............................................................................................................................................	84
	Using the Go key ...............................................................................................................................	84
	Using the printer driver ......................................................................................................................	84
	Security features......................................................................................................................................	85
	Secure Function Lock 2.0 (HL-5450DN(T) only) ...............................................................................	85
	Ecology features......................................................................................................................................	86
	Toner Save ........................................................................................................................................	86
	Sleep Time ........................................................................................................................................	86
	Deep Sleep mode..............................................................................................................................	86
	Power Down mode ............................................................................................................................	87
	Quiet mode feature..................................................................................................................................	88
	Turning Quiet mode on/off.................................................................................................................	88
4	Options	89
	Lower tray (LT-5400) ...............................................................................................................................	90
	SO-DIMM(HL-5450DN(T) only) ..............................................................................................................	91
	SO-DIMM types .................................................................................................................................	91
	Installing extra memory .....................................................................................................................	92
5	Routine Maintenance	94
	Replacing consumable items...................................................................................................................	94
	Replacing the toner cartridge ............................................................................................................	95
	Replacing the drum unit...................................................................................................................	103
	Cleaning and Checking the machine .....................................................................................................	110
	Cleaning the outside of the machine ...............................................................................................	110
	Cleaning the corona wire.................................................................................................................	112
	Cleaning the drum unit ....................................................................................................................	114
	Cleaning the paper pick-up roller.....................................................................................................	119
	Packing and shipping the machine ........................................................................................................	120
6	Troubleshooting	123
	Identifying your problem ........................................................................................................................	123
	Error messages in the Status Monitor ...................................................................................................	124
	Paper jams ......................................................................................................................................	127
	If you are having difficulty with your machine ........................................................................................	138
	Improving the print quality......................................................................................................................	142
	Machine Information ..............................................................................................................................	149
	Default settings................................................................................................................................	149
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