Brother DCP-7057 Service Manual page 8

1.4.21 Operational check of fan (Function code 78) ....................................................... 5-32
1.4.22 Display of the machine history (log) (Function code 80) ...................................... 5-33
1.4.23 Error code indication (Function code 82) ............................................................. 5-37
1.4.24 Sending communication error list (Function code 87) (FAX model only) ............. 5-37
1.4.25 Counter reset after replacing the fuser unit and paper feeding kit
(Function code 88) ............................................................................................... 5-38
1.4.26 Exit from the maintenance mode (Function code 99) ........................................... 5-38
2. OTHER SERVICE FUNCTIONS ............................................................................................ 5-39
2.1 Developer Roller Counter Reset Function ........................................................................ 5-39
2.2 Parts Life Reset Function ................................................................................................. 5-40
2.3 Deletion of User Setting Information, etc. ......................................................................... 5-40
2.4 Continue mode / Stop mode settings of Toner cartridge .................................................. 5-41
2.5 Drum Cleaning .................................................................................................................. 5-41
2.6 ON/OFF Setting of Deep Sleep Function ......................................................................... 5-42
CHAPTER 6 CIRCUIT DIAGRAMS, WIRING DIAGRAM
1. CIRCUIT DIAGRAMS ............................................................................................................... 6-1
2. WIRING DIAGRAM ................................................................................................................ 6-10
CHAPTER 7 PERIODICAL MAINTENANCE
1. PERIODICAL REPLACEMENT PARTS .................................................................................. 7-1
APPENDIX 1 SERIAL NUMBERING SYSTEM
APPENDIX 2 DELETION OF USER SETTING INFORMATION, ETC.
APPENDIX 3 INSTALLING THE MAINTENANCE DRIVER
APPENDIX 4 HOW TO MAKE PROTECTIVE MATERIAL OF DRUM UNIT
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