xi
Section V AppendixesA Safety and Legal 88
Choosing a location.............................................. ...............................................88
To use the machine safely................................................................................... 89
Important Information........................................................................................... 92
Standard telephone and FCC Notices........................................................... 92
Industry Canada Compliance Statement (Canada only) ...... ........................95
Disconnect device .........................................................................................95
LAN connection ............................. ...............................................................95
Laser safety................................................................. ..................................95
FDA regulations........................................................................................... ..96
Important safety instructions.......................................................................... 97
Trademarks.... ............................................................................................... 98
B Options 99
Options.......... ...................................................................................................... 99
Optional Paper Tray (LT-5300).......................................................................... 100
Memory Board...................................... .............................................................100
DIMM types ................................................................................................. 100
Installing extra memory ...............................................................................101
C Troubleshooting and routine maintenance 102
Troubleshooting.................................................................... .............................102
If you are having difficulty with your machine.............................................. 102
Improving the print quality ........................................................................... 110
Setting Dial Tone Detection......................................................................... 115
Phone line interference................................................................................ 115
Error messages.......... .......................................................................................116
Checking if the machine has faxes in its memory .......................................120
Sending faxes to another fax machine.................. ......................................120
Sending faxes to your PC............................................................................ 120
Document jams............................................................................................ 121
Paper jams. .................................................................................................122
Routine maintenance......................................................................................... 126
Cleaning the outside of the machine........................... ................................126
Cleaning the scanner glass...................................... ...................................128
Cleaning the laser scanner window............................................................. 128
Cleaning the corona wire............................................................................. 130
Cleaning the drum unit...... ..........................................................................131
Replacing the toner cartridge (TN-550/TN-580).......................................... 132
Replacing the toner cartridge ......................................................................132
Replacing the drum unit (DR-520)............................................................... 135
Replacing periodic maintenance parts...............................................................137
Packing and shipping the machine................................................................. ...137
Machine Information....................................... ...................................................138
Checking the serial number......................................................................... 138
Checking the page counters........................................................................ 138
Checking the remaining life of parts...................................... ......................139