Brother DCP-9055CDN Service Manual page 10

1.4.26 Setting by country (Function code 74)........................................................... 5-53
1.4.27 Sensitivity adjustment of registration mark sensor and check of
belt unit surface (Function code 75)............................................................... 5-55
1.4.28 Operational check of fans (Function code 78)............................................... 5-57
1.4.29 Display of the machine history (log) (Function code 80) ............................... 5-58
1.4.30 Error code indication (Function code 82)....................................................... 5-62
1.4.31 Developing bias voltage correction (Function code 83)................................. 5-63
1.4.32 Sending communication error list (Function code 87) ................................... 5-64
1.4.33 Counter reset after replacing the fuser unit and paper feeding kit
(Function code 88) ......................................................................................... 5-64
1.4.34 Exit from the maintenance mode (Function code 99).................................... 5-65
2. OTHER SERVICE FUNCTIONS...............................................................5-66
2.1 Developer Roller Counter Reset Function ................................................................ 5-66
2.2 Parts Life Reset Function ......................................................................................... 5-67
2.3 Deletion of User Setting Information, etc. ................................................................. 5-68
2.4 How to Recover from Errors of the Fuser Unit ......................................................... 5-69
2.5 Drum Cleaning.......................................................................................................... 5-69
2.6 Deep Sleep Function ................................................................................................ 5-70
CHAPTER 6 CIRCUIT DIAGRAMS & WIRING DIAGRAM
1. CIRCUIT DIAGRAMS.................................................................................6-1
2. WIRING DIAGRAM ....................................................................................6-9
CHAPTER 7 PERIODICAL MAINTENANCE
1. PRECAUTIONS..........................................................................................7-1
2. PERIODICAL REPLACEMENT PARTS ....................................................7-2
2.1 Procedures to Replace Periodical Replacement Parts............................................... 7-2
2.1.1 Fuser unit........................................................................................................... 7-3
2.1.2 Laser unit......................................................................................................... 7-11
2.1.3 Paper feeding kit1............................................................................................ 7-32
2.1.4 Paper feeding kit2............................................................................................ 7-35
2.1.5 MP paper feeding kit........................................................................................ 7-38
APPENDIX 1. SERIAL NUMBERING SYSTEM
APPENDIX 2. DELETION OF USER SETTING INFORMATION, ETC.
APPENDIX 3. INSTALLING THE MAINTENANCE DRIVER
Confidential