Brother MFC-9420CN Service Manual page 11

[ 4 ] NVRAM Initial (Code 46)............................................................................8-45
[ 5 ] Total Page Set (Code 47) ..........................................................................8-45
[ 6 ] Each Image Set (Code 48) ........................................................................8-46
[ 7 ] Next Life Set (Code 49) .............................................................................8-47
CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING
9.1 ERROR INDICATION ................................................................................................9-1
9.1.1 Equipment Errors .................................................................................................9-1
[ 1 ] Error messages appearing on the LCD .......................................................9-1
[ 2 ] Error codes shown in "MACHINE ERROR X X" messages.........................9-5
9.1.2 Communications Errors......................................................................................9-15
9.2 TROUBLESHOOTING ............................................................................................9-19
9.2.1 Introduction.........................................................................................................9-19
9.2.2 Precautions ........................................................................................................9-19
9.2.3 Checking Prior to Troubleshooting.....................................................................9-19
9.2.4 Troubleshooting Based on Problem Type ..........................................................9-20
[ 1 ] Software setting problems .........................................................................9-20
[ 2 ] Image failure ..............................................................................................9-23
[ 3 ] Paper transport error..................................................................................9-50
[ 4 ] Incorrect printout ........................................................................................9-52
[ 5 ] Network problem ........................................................................................9-54
[ 6 ] Troubleshooting of the control panel..........................................................9-58
[ 7 ] Troubleshooting of fax functions ................................................................9-60
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. 2-8
APPENDIX 3 CUSTOMIZING CODES ACCORDING TO SHIPPING DESTINATION
APPENDIX 4 FIRMWARE SWITCHES (WSW)
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