viii
3
Control Panel
75
Control panel
...........................................................................................................................................
75
Buttons
...................................................................................................................................................
75
Go
......................................................................................................................................................
76
Cancel
...............................................................................................................................................
76
Secure Print
.......................................................................................................................................
76
+ or - button
.......................................................................................................................................
76
Back
...................................................................................................................................................
77
OK
.....................................................................................................................................................
77
LEDs
........................................................................................................................................................
77
LCD
.........................................................................................................................................................
77
Back light (HL-3070CW only)
............................................................................................................
78
LCD messages
..................................................................................................................................
78
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
Option
99
SO-DIMM
.................................................................................................................................................
99
Installing extra memory
...................................................................................................................
100
5
Routine Maintenance
102
Replacing the consumable items
...........................................................................................................
102
Toner cartridges
..............................................................................................................................
104
Drum units
.......................................................................................................................................
112
Belt unit
............................................................................................................................................
118
Waste toner box
..............................................................................................................................
122
Cleaning
................................................................................................................................................
128
Cleaning the outside of the printer
...................................................................................................
128
Cleaning the LED head
...................................................................................................................
130
Cleaning the corona wires
...............................................................................................................
131
Cleaning the drum unit
....................................................................................................................
134
Cleaning the paper pick-up roller
.....................................................................................................
140
6
Troubleshooting
142
Identifying your problem
........................................................................................................................
142
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