3
Control panel ...........................................................................................................................................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
Ecology features ......................................................................................................................................86
Toner Save ........................................................................................................................................86
Sleep Time ........................................................................................................................................86
Deep Sleep mode..............................................................................................................................86
Quiet mode feature ..................................................................................................................................87
Turning Quiet mode on/off.................................................................................................................87
4
Lower tray (LT-5400) ...............................................................................................................................89
SO-DIMM (HL-5450DN only)...................................................................................................................90
SO-DIMM types .................................................................................................................................90
Installing extra memory .....................................................................................................................91
5
Replacing consumable items...................................................................................................................93
Replacing the drum unit...................................................................................................................102
Cleaning the corona wire.................................................................................................................111
Cleaning the drum unit ....................................................................................................................113
6
Identifying your problem ........................................................................................................................122
Paper jams ......................................................................................................................................126
Improving the print quality......................................................................................................................141
Machine Information ..............................................................................................................................148
Default settings................................................................................................................................148
71
88
93
122
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