Brother MFC-8460N Servise Manual page 12

8.4.18 Counter Reset After Replacing the Fuser Unit, Laser Unit and
Paper Feed Kit (Function code 88)....................................................................8-27
8.4.19 Cancellation of the Memory Security Mode
(Not applicable to with out the NCU models and the Japanese model.) ...........8-27
CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING
9.1 ERROR INDICATION ................................................................................................9-1
9.1.1 Equipment Errors .................................................................................................9-1
9.1.1.1 Error messages appearing on the LCD..........................................................9-1
9.1.1.2 Error codes shown in "MACHINE ERROR X X" messages ...........................9-4
9.1.2 Communications Errors......................................................................................9-11
9.2 TROUBLESHOOTING ............................................................................................9-15
9.2.1 Introduction.........................................................................................................9-15
9.2.2 Precautions ........................................................................................................9-15
9.2.3 Checking Prior to Troubleshooting.....................................................................9-15
9.2.4 Troubleshooting Based on Problem Type ..........................................................9-16
9.2.4.1 Paper feeding problems ...............................................................................9-16
9.2.4.2 Software setting problems ............................................................................9-18
9.2.4.3 Malfunction ...................................................................................................9-21
9.2.4.4 Image defects...............................................................................................9-27
9.2.4.5 Incorrect printout...........................................................................................9-47
9.2.4.6 Network problem ..........................................................................................9-49
9.2.4.7 Troubleshooting of the control panel ............................................................9-56
9.2.4.8 Troubleshooting of fax functions ..................................................................9-58
APPENDIX 1 SERIAL NUMBERING SYSTEM
APPENDIX 2 FIRMWARE INSTALLATION
A2.1 INSTALLING THE UPDATE DATA TO THE MACHINE..................................APP. 2-1
A2.2 SETTING ID CODES TO MACHINES..............................................................APP. 2-7
APPENDIX 3 CUSTOMIZING CODES ACCORDING TO SHIPPING DESTINATION
x Confidential