Brother DCP9040CN - Manual (Page 7)

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B Optional memory 43
Memory board...................................................................................................... 43
Installing extra memory ................................................................................. 43
C Troubleshooting and routine maintenance 45
Troubleshooting...................................................................................................45
Solutions to common problems ..................................................................... 45
Improving the print quality .............................................................................51
Error and maintenance messages....................................................................... 62
Document jams..............................................................................................66
Paper jams .................................................................................................... 67
Routine maintenance........................................................................................... 76
Cleaning the outside of the machine .............................................................77
Cleaning the scanner..................................................................................... 77
Cleaning the laser scanner windows .............................................................78
Cleaning the corona wires .............................................................................82
Cleaning the drum unit ..................................................................................86
Replacing the consumable items.........................................................................94
Replacing a toner cartridge ...........................................................................96
Replacing the drum unit............................................................................... 101
Replacing the belt unit ................................................................................. 108
Replacing the waste toner box ....................................................................113
How to change the LCD language............................................................... 118
Packing and shipping the machine ....................................................................119
Repacking the machine ............................................................................... 120
Machine information ..........................................................................................126
Checking the serial number.........................................................................126
Checking the page counters........................................................................ 126
Checking the remaining life of parts ............................................................ 127
D Menu and features 128
On-screen programming.................................................................................... 128
Menu table...................................................................................................128
Memory storage........................................................................................... 128
Menu keys ......................................................................................................... 128
How to access the menu mode ................................................................... 129
Menu table......................................................................................................... 130
Entering text ...................................................................................................... 135