vii
Safety precautions.........................................................................................81
IEC60825-1+A2:2001 Specification ..............................................................84
Disconnect device .........................................................................................84
Wiring information (U.K. only)........................................................................84
LAN connection (MFC-7440N and MFC-7840W only) ..................................85
Radio interference .........................................................................................85
EU Directive 2002/96/EC and EN50419........................................................85
International ENERGY STAR
®
Compliance Statement ................................86
Important safety instructions..........................................................................86
Trademarks..........................................................................................................88
B Troubleshooting and routine maintenance 89
Troubleshooting...................................................................................................89
If you are having difficulty with your machine ................................................89
Improving the print quality .............................................................................96
Setting dial tone detection ...........................................................................101
Telephone line interference.........................................................................102
Error and maintenance messages.....................................................................103
Transferring your faxes or Fax Journal report .............................................107
Document jams............................................................................................109
Paper jams ..................................................................................................110
Routine maintenance.........................................................................................114
Cleaning the outside of the machine ...........................................................114
Cleaning the scanner glass .........................................................................115
Cleaning the laser scanner window.............................................................116
Cleaning the corona wire.............................................................................118
Cleaning the drum unit ................................................................................120
Replacing the consumable items.......................................................................122
Replacing a toner cartridge .........................................................................122
Replacing the drum unit...............................................................................125
Machine information ..........................................................................................128
Checking the serial number.........................................................................128
Checking the page counters........................................................................128
Checking the Drum life ................................................................................128
Packing and shipping the machine....................................................................129
C Menu and features 130
On-screen programming....................................................................................130
Menu table...................................................................................................130
Memory storage...........................................................................................130
Menu keys .........................................................................................................130
How to access the menu mode ...................................................................131
Menu table.........................................................................................................132
Entering text ......................................................................................................145
D Specifications 147
General..............................................................................................................147
Print media.........................................................................................................149
Fax.....................................................................................................................150
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