Brother HL-5450DNT - Manual (Page 5)

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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