vi
Software for networks .......................................................................................................................66
About emulation modes......... ................... ................. ................... ................... ................... ...............67
Automatic emulation selection (HL-4050CDN / HL-4070CDW only)... ..................... ................... ......67
Automatic interface selection.............................................................................................................67
4 Control Panel 68
Control panel...........................................................................................................................................68
Buttons ...................................................................................................................................................69
Go......................................................................................................................................................69
Cancel...............................................................................................................................................69
Reprint...............................................................................................................................................70
+ or - button.......................................................................................................................................70
Back...................................................................................................................................................70
OK.....................................................................................................................................................70
LEDs........................................................................................................................................................71
LCD.........................................................................................................................................................71
Back light...........................................................................................................................................71
LCD messages..................................................................................................................................72
Reprinting documents........................................................................................................................73
Using the control panel LCD menu....................................................................................................76
Menu table.........................................................................................................................................77
Default settings..................................................................................................................................88
Calibration.........................................................................................................................................89
Auto Registration...............................................................................................................................90
Manual Registration.... ................... ................... .................. ................... ................... .........................91
5 Options 92
Lower tray (LT-100CL) (HL-4050CDN / HL-4070CDW only).. ................... ................... ................. ..........92
SO-DIMM.................................................................................................................................................93
SO-DIMM types.................................................................................................................................93
Installing extra memory.....................................................................................................................94
6 Routine Maintenance 96
Replacing the consumable items.............................................................................................................96
Toner cartridges................................................................................................................................98
Drum unit.........................................................................................................................................105
Belt unit............................................................................................................................................111
Waste toner box ..............................................................................................................................116
Cleaning................................................................................................................................................122
Cleaning the outside of the printer...................................................................................................122
Cleaning the inside of the scanner windows .... ..................... ................... ..................... ..................12 3
Cleaning the corona wires .............. ................. ................... ................... .................... ............................127
Cleaning the drum unit............... ..................... ................... .................... ..................... ...........................132
Shipping the printer................................................................................................................................134
Repacking Instructions....................................................................................................................134
7 Troubleshooting 142
Identifying your problem ............ ..................... .................... ................... ..................... ...........................142
LCD messages......................................................................................................................................143