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 only)....................................................................................

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

Options

88

 

Lower tray (LT-5400) ...............................................................................................................................

89

 

SO-DIMM(HL-5450DN only)...................................................................................................................

90

 

SO-DIMM types .................................................................................................................................

90

 

Installing extra memory .....................................................................................................................

91

5

Routine Maintenance

93

 

Replacing consumable items...................................................................................................................

93

 

Replacing the toner cartridge ............................................................................................................

94

 

Replacing the drum unit...................................................................................................................

102

 

Cleaning and Checking the machine .....................................................................................................

109

 

Cleaning the outside of the machine ...............................................................................................

109

 

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 ........................................................................................................................

122

 

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................................................................................................................................

148

 

 

iv