Brother 9840CDW - Color Laser - All-in-One User Manual page 15

C Troubleshooting and routine maintenance
Troubleshooting .................................................................................................114
If you are having difficulty with your machine .............................................. 114
Improving the print quality ...........................................................................121
Setting dial tone detection ...........................................................................132
Telephone line interference .........................................................................132
Error and maintenance messages..................................................................... 133
Checking if the machine has faxes in its memory ....................................... 139
Transferring faxes to another fax machine .................................................. 139
Transferring faxes to your PC...................................................................... 139
Document jams............................................................................................140
Paper jams .................................................................................................. 141
Routine maintenance......................................................................................... 152
Cleaning the outside of the machine ...........................................................152
Cleaning the scanner................................................................................... 153
Cleaning the laser scanner windows ...........................................................154
Cleaning the corona wires ...........................................................................158
Cleaning the drum unit ................................................................................161
Replacing the consumable items.......................................................................169
Replacing a toner cartridge .........................................................................172
Replacing the drum unit............................................................................... 177
Replacing the belt unit ................................................................................. 183
Replacing the waste toner box ....................................................................188
Packing and shipping the machine ....................................................................194
Repacking the machine ............................................................................... 195
Machine information ..........................................................................................202
Checking the serial number .........................................................................202
Checking the page counters........................................................................ 202
Checking the remaining life of parts ............................................................ 203
D Menu and features
On-screen programming.................................................................................... 204
Menu table ...................................................................................................204
Memory storage........................................................................................... 204
Menu keys ......................................................................................................... 204
How to access the menu mode ................................................................... 205
Menu table ......................................................................................................... 206
Entering text ...................................................................................................... 222
114
204
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