Brother MFC6800 Service Manual page 127

CHAPTER 6 ERROR INDICATION AND TROUBLESHOOTING
6.1 ERROR INDICATION.......................................................................................................6-1
6.1.1 Machine Errors .....................................................................................................6-1
[ 1 ] Error messages on the LCD ........................................................................6-1
[ 2 ] Error codes shown in the "MACHINE ERROR X X " message...................6-5
6.1.2 Communications Errors........................................................................................6-7
6.2 TROUBLESHOOTING ...................................................................................................6-17
6.2.1 Introduction.........................................................................................................6-17
6.2.2 Precautions ........................................................................................................6-17
6.2.3 Checking prior to Troubleshooting .....................................................................6-17
6.2.4 Troubleshooting Procedures ..............................................................................6-19
[ 1 ] Control panel related..................................................................................6-19
[ 2 ] Telephone related ......................................................................................6-19
[ 3 ] Communications related ............................................................................6-20
[ 4 ] Paper/document feeding related................................................................6-20
[ 5 ] Print-image related.....................................................................................6-21
Location of High-voltage Contacts and Grounding Contacts ...............................6-28
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