Service manual

vi
Confidential
1.4.17 Fine adjustment of scan start/end positions (Function code 54) .......................... 5-26
1.4.18 Acquisition of white level data (Function code 55) ............................................... 5-27
1.4.19 Continuous print test (Function code 67) ............................................................. 5-28
1.4.20 Setting by country (Function code 74) .................................................................. 5-29
1.4.21 Printout of maintenance information (Function code 77) ...................................... 5-32
1.4.22 Operational check of fans (Function code 78) ...................................................... 5-33
1.4.23 Display of the machine history (log) (Function code 80) ...................................... 5-34
1.4.24 Error code indication (Function code 82) ............................................................. 5-38
1.4.25 Sending communication error list (Function code 87) (FAX model only) ............. 5-38
1.4.26 Counter reset after replacing the fuser unit and paper feeding kit
(Function code 88) ............................................................................................... 5-39
1.4.27 Exit from the maintenance mode (Function code 99) ........................................... 5-39
2. OTHER SERVICE FUNCTIONS ............................................................................................ 5-40
2.1 Developer Roller Counter Reset Function ........................................................................ 5-40
2.2 Parts Life Reset Function ................................................................................................. 5-40
2.3 Deletion of User Setting Information, etc. ......................................................................... 5-41
2.4 Continue mode / Stop mode settings of Toner cartridge .................................................. 5-42
2.5 Drum Cleaning .................................................................................................................. 5-43
2.6 Deep Sleep Function ........................................................................................................ 5-44
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