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3 General Information 74
Control panel ...........................................................................................................................................74
Control panel overview ......................................................................................................................74
LED indications..................................................................................................................................76
Machine status messages .................................................................................................................76
Menu table.........................................................................................................................................77
Reprinting documents..............................................................................................................................90
Reprinting the last job........................................................................................................................90
How to reprint the last job..................................................................................................................90
Printing Secure data ................................................................................................................................91
Secure data .......................................................................................................................................91
How to print Secure data ...................................................................................................................91
Security features......................................................................................................................................92
Secure Function Lock 2.0..................................................................................................................92
Setting Lock.......................................................................................................................................92
Ecology features ......................................................................................................................................94
Toner Save ........................................................................................................................................94
Sleep Time ........................................................................................................................................94
Deep Sleep mode..............................................................................................................................94
Quiet mode feature ..................................................................................................................................95
Turning Quiet mode on/off.................................................................................................................95
4 Options 96
Lower tray (LT-5400) ...............................................................................................................................97
SO-DIMM ................................................................................................................................................98
SO-DIMM types .................................................................................................................................98
Installing extra memory .....................................................................................................................99
5 Routine Maintenance 101
Replacing consumable items.................................................................................................................101
Replacing the toner cartridge ..........................................................................................................103
Replacing the drum unit...................................................................................................................110
Cleaning and Checking the machine .....................................................................................................116
Cleaning the outside of the machine ...............................................................................................116
Cleaning the corona wire.................................................................................................................118
Cleaning the drum unit ....................................................................................................................120
Cleaning the paper pick-up roller.....................................................................................................125
Packing and shipping the machine ........................................................................................................126
6 Troubleshooting 129
Identifying your problem ........................................................................................................................129
Error and maintenance messages.........................................................................................................130
Paper jams ......................................................................................................................................134
If you are having difficulty with your machine ........................................................................................147
Improving the print quality......................................................................................................................151
Machine Information ..............................................................................................................................158
Checking the Serial Number............................................................................................................158
Default settings................................................................................................................................158
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