HL-5240/5250DN/5270DN/5280DW SERVICE MANUAL
vii
Confidential
CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS,
REQUIRED AFTER PARTS REPLACEMENT.................. 6-1
2. IF YOU REPLACE THE PERIODICAL MAINTENANCE PARTS ............................6-10
CHAPTER 7 SERVICE SUPPORT SOFTWARE.................................... 7-1
FUNCTION MENUS .................................................................................7-15
APPENDIX
1. MAIN PCB CIRCUIT DIAGRAM ............................................................................... A-1
2. LOW-VOLTAGE POWER SUPPLY PCB CIRCUIT DIAGRAM (100V, 200V).......... A-8
3. HIGH-VOLTAGE POWER SUPPLY PCB CIRCUIT DIAGRAM ............................. A-10
4. POINT TO POINT CONNECTION DIAGRAM........................................................ A-11
5. GEAR LAYOUT DRAWING.................................................................................... A-12
6. READMARKS......................................................................................................... A-14
7. LOCATION OF THE FERRITE CORE ................................................................... A-15
8. HL-5240L................................................................................................................ A-18