Brother MFC MFC-9120CN User Manual

viii
C Troubleshooting and routine maintenance 125
Troubleshooting.................................................................................................125
If you are having difficulty with your machine ..............................................125
Improving the print quality ...........................................................................134
Setting Dial Tone detection .........................................................................141
Telephone line interference.........................................................................141
Error and maintenance messages.....................................................................142
Transferring your faxes or Fax Journal report .............................................148
Document jams............................................................................................149
Paper jams ..................................................................................................150
Routine maintenance.........................................................................................155
Cleaning the outside of the machine ...........................................................155
Cleaning the scanner glass .........................................................................156
Cleaning the LED heads..............................................................................157
Cleaning the corona wires ...........................................................................158
Cleaning the drum unit ................................................................................159
Cleaning the paper pick-up rollers...............................................................164
Calibration ...................................................................................................164
Auto Registration .........................................................................................165
Manual Registration.....................................................................................165
Replacing the consumable items.......................................................................166
Replacing a Toner cartridge ........................................................................168
Drum units ...................................................................................................173
Replacing the belt unit .................................................................................177
Replacing the waste toner box ....................................................................181
Replacing periodic maintenance parts...............................................................186
Machine Information ..........................................................................................187
Checking the Serial Number........................................................................187
Checking the Page Counters.......................................................................187
Checking the remaining life of parts ............................................................187
Reset Functions...........................................................................................187
How to reset the machine............................................................................188
Packing and shipping the machine....................................................................188
D Menu and features 193
On-screen programming....................................................................................193
Menu table...................................................................................................193
Memory storage...........................................................................................193
Menu keys .........................................................................................................193
How to access the menu mode ...................................................................194
Menu table.........................................................................................................195
Entering text.......................................................................................................213

Brother MFC MFC-9120CN Specifications

General

Print Technology	Laser
Connectivity	USB 2.0, Ethernet
Duplex Printing	Manual
ADF Capacity	35 sheets
Fax Modem Speed	33.6 Kbps
Functions	Print, Copy, Scan, Fax
Maximum Printing Speed (Black)	17 ppm
Maximum Printing Speed (Color)	17 ppm
Monthly Duty Cycle	Up to 30, 000 pages
Scanning Resolution	Up to 19200 x 19200 dpi (interpolated)
Optical Scan Resolution	1200 x 2400 dpi
Memory	64 MB
Paper Handling	250-sheet input tray
Scanner Type	Flatbed
Copy Speed	Up to 17 cpm
Paper Capacity	250 sheets
Print Speed	Up to 17 ppm (Black/Color)