3
75
Control panel ...........................................................................................................................................
Buttons ...................................................................................................................................................
Go......................................................................................................................................................
76
Cancel ...............................................................................................................................................
Secure Print.......................................................................................................................................
+ or - button .......................................................................................................................................
Back...................................................................................................................................................
77
OK .....................................................................................................................................................
LEDs ........................................................................................................................................................
LCD .........................................................................................................................................................
Back light (HL-3070CW only) ............................................................................................................
78
LCD messages ..................................................................................................................................
Reprinting documents........................................................................................................................
79
Printing Secure data ..........................................................................................................................
80
Using the control panel LCD menu....................................................................................................
82
Menu table.........................................................................................................................................
83
Default settings..................................................................................................................................
94
Calibration .........................................................................................................................................
96
Auto Registration ...............................................................................................................................
97
Manual Registration...........................................................................................................................
98
4
99
SO-DIMM.................................................................................................................................................
Installing extra memory ...................................................................................................................
100
5
102
Replacing the consumable items...........................................................................................................
Toner cartridges ..............................................................................................................................
104
Drum units .......................................................................................................................................
112
Belt unit............................................................................................................................................
118
Waste toner box ..............................................................................................................................
122
Cleaning ................................................................................................................................................
128
Cleaning the outside of the printer...................................................................................................
Cleaning the LED head ...................................................................................................................
130
Cleaning the corona wires ...............................................................................................................
131
Cleaning the drum unit ....................................................................................................................
134
Cleaning the paper pick-up roller.....................................................................................................
140
6
142
Identifying your problem ........................................................................................................................
LCD messages ......................................................................................................................................
143
Paper handling ......................................................................................................................................
146
Paper jams and how to clear them ........................................................................................................
147
Jam Tray 1 (Paper jam inside the paper tray) .................................................................................
148
Jam Rear (Paper jam behind the back cover).................................................................................
149
Jam Inside (Paper jam inside the printer)........................................................................................
151
Improving the print quality......................................................................................................................
154
Solving print problems ...........................................................................................................................
161
viii