Brother MFC MFC-7840W User Manual page 13

Section V Appendixes
A Safety and legal
Choosing a location ............................................................................................. 82
To use the machine safely................................................................................... 83
Important information........................................................................................... 86
Standard telephone and FCC notices ........................................................... 86
Industry Canada Compliance Statement (Canada only) .............................. 88
Disconnect device ......................................................................................... 88
LAN connection ............................................................................................ 88
International ENERGY STAR
Laser safety ................................................................................................... 89
FDA regulations............................................................................................. 89
Important safety instructions.......................................................................... 90
Trademarks.......................................................................................................... 92
B Troubleshooting and routine maintenance
Troubleshooting ................................................................................................... 93
If you are having difficulty with your machine ................................................ 93
Improving the print quality ........................................................................... 100
Setting dial tone detection ........................................................................... 105
Telephone line interference ......................................................................... 106
Error and maintenance messages..................................................................... 107
Transferring your faxes or Fax Journal report ............................................. 111
Document jams............................................................................................ 113
Paper jams .................................................................................................. 114
Routine maintenance......................................................................................... 118
Cleaning the outside of the machine ........................................................... 118
Cleaning the scanner glass ......................................................................... 119
Cleaning the laser scanner window............................................................. 120
Cleaning the corona wire............................................................................. 122
Cleaning the drum unit ................................................................................ 123
Replacing the consumable items....................................................................... 126
Replacing a toner cartridge ......................................................................... 126
Replacing the drum unit............................................................................... 130
Machine information .......................................................................................... 132
Checking the serial number......................................................................... 132
Checking the page counters........................................................................ 132
Checking the Drum life ................................................................................ 133
Packing and shipping the machine .................................................................... 133
C Menu and features
On-screen programming.................................................................................... 135
Menu table................................................................................................... 135
Memory storage........................................................................................... 135
Menu keys ......................................................................................................... 135
How to access the menu mode ................................................................... 136
Menu table ......................................................................................................... 137
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Compliance Statement ................................ 89
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93
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