Brother MFC-9125CN User Manual page 10

C Troubleshooting and routine maintenance
Troubleshooting .................................................................................................128
If you are having difficulty with your machine ..............................................128
Improving the print quality ...........................................................................136
Setting Dial Tone detection .........................................................................144
Telephone line interference/VoIP ................................................................144
Error and maintenance messages.....................................................................145
Transferring your faxes or Fax Journal report .............................................151
Document jams............................................................................................152
Paper jams ..................................................................................................153
Routine maintenance.........................................................................................158
Cleaning the outside of the machine ...........................................................158
Cleaning the scanner glass .........................................................................159
Cleaning the LED heads..............................................................................160
Cleaning the corona wires ...........................................................................161
Cleaning the drum unit ................................................................................163
Cleaning the paper pick-up rollers ...............................................................167
Calibration ...................................................................................................168
Auto Registration .........................................................................................169
Manual Registration.....................................................................................169
Frequency (Colour Correction) ....................................................................169
Replacing the consumable items.......................................................................170
Replacing a Toner cartridge ........................................................................172
Drum units ...................................................................................................177
Replacing the belt unit .................................................................................181
Replacing the waste toner box ....................................................................185
Replacing periodic maintenance parts...............................................................190
Machine Information ..........................................................................................191
Checking the Serial Number........................................................................191
Checking the Page Counters.......................................................................191
Checking the remaining life of parts ............................................................191
Reset Functions...........................................................................................191
How to reset the machine ............................................................................192
Packing and shipping the machine ....................................................................192
D Menu and features
On-screen programming....................................................................................197
Menu table ...................................................................................................197
Memory storage...........................................................................................197
Menu keys .........................................................................................................197
How to access the menu mode ...................................................................198
Menu table .........................................................................................................199
Entering text.......................................................................................................217
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