3
General Information
71
Control panel ...........................................................................................................................................
LEDs (Light Emitting Diodes) ............................................................................................................
Service call indications ......................................................................................................................
79
Control panel keys.............................................................................................................................
81
Print a test page ......................................................................................................................................
82
Using the Go key ...............................................................................................................................
Using the printer driver ......................................................................................................................
Print a Printer Settings page....................................................................................................................
83
Print Fonts ...............................................................................................................................................
84
Security features......................................................................................................................................
85
Secure Function Lock 2.0 (HL-5450DN only)....................................................................................
Ecology features......................................................................................................................................
86
Toner Save ........................................................................................................................................
Sleep Time ........................................................................................................................................
Deep Sleep mode..............................................................................................................................
Quiet mode feature..................................................................................................................................
87
Turning Quiet mode on/off.................................................................................................................
4
Options
88
Lower tray (LT-5400) ...............................................................................................................................
89
SO-DIMM(HL-5450DN only)...................................................................................................................
90
SO-DIMM types .................................................................................................................................
Installing extra memory .....................................................................................................................
91
5
Routine Maintenance
93
Replacing consumable items...................................................................................................................
Replacing the toner cartridge ............................................................................................................
94
Replacing the drum unit...................................................................................................................
102
Cleaning and Checking the machine .....................................................................................................
109
Cleaning the outside of the machine ...............................................................................................
Cleaning the corona wire.................................................................................................................
111
Cleaning the drum unit ....................................................................................................................
113
Cleaning the paper pick-up roller.....................................................................................................
118
Packing and shipping the machine ........................................................................................................
119
6
Troubleshooting
122
Identifying your problem ........................................................................................................................
Error messages in the Status Monitor ...................................................................................................
123
Paper jams ......................................................................................................................................
126
If you are having difficulty with your machine ........................................................................................
137
Improving the print quality......................................................................................................................
141
Machine Information ..............................................................................................................................
148
Default settings................................................................................................................................
iv