xiii
C Troubleshooting and routine maintenance 112
Troubleshooting.................................................................................................112
If you are having difficulty with your machine..............................................112
Improving the print quality...........................................................................119
Setting dial tone detection...........................................................................130
Telephone line interference......................................................................... 130
Error and maintenance messages.....................................................................131
Checking if the machine has faxes in its memory.......................................137
Transferring faxes to another fax machine ..................................................137
Transferring faxes to your PC......................................................................137
Document jams............................................................................................138
Paper jams ..................................................................................................139
Routine maintenance.........................................................................................150
Cleaning the outside of the machine...........................................................150
Cleaning the scanner...................................................................................151
Cleaning the laser scanner windows ...........................................................152
Cleaning the corona wires...........................................................................156
Cleaning the drum unit................................................................................159
Replacing the consumable items.......................................................................166
Replacing a toner cartridge.........................................................................169
Replacing the drum unit...............................................................................174
Replacing the belt unit.................................................................................180
Replacing the waste toner box....................................................................185
Packing and shipping the machine....................................................................191
Repacking the machine...............................................................................192
Machine information..........................................................................................199
Checking the serial number.........................................................................199
Checking the page counters........................................................................199
Checking the remaining life of parts............................................................200
D Menu and features 201
On-screen programming....................................................................................201
Menu table...................................................................................................201
Memory storage...........................................................................................201
Menu keys.........................................................................................................201
How to access the menu mode...................................................................202
Menu table.........................................................................................................203
Enteringtext ......................................................................................................219