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Brother International HL 1030 Service Manual - Page 196

Appendix 9. Connection Diagram, HL-1250

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Appendix 9. Connection Diagram, HL-1250 AC INPUT INLET POWER SW LVPS CN1 CN101 PARALLEL I/F RS-100M USB I/F MAIN PCB SIMM P3 P4 PAPER EJECT SENSOR P10 LOWER PAPER CASSETTE FAN MOTOR POLYGON MOTOR LASER MAIN MOTOR SOLENOID PANEL PCB P7 P12 P13 P14 P6 P3 P5 P8 P1 P9 P10 UPPER PAPER CASSETTE SENSOR P2 P15 ENGINE PCB REAR REGIST SENSOR FRONT REGIST SENSOR T/R CN1 TONER SENSOR (light emission) COVER SENSOR FIXING UNIT THERMISTOR HALOGEN HEATER LAMP LASER UNIT HVPS CHG GRID DEV TONER SENSOR (light reception) A - 18

Section	Page
sm_hl12er.pdf	1
PREFACE	3
TABLE OF CONTENTS	4
REGULATION	9
SAFETY INFORMATION	11
CHAPTER 1 GENERAL	13
1. FEATURES	13
2. OVERVIEW	16
3. SPECIFICATIONS	17
CHAPTER 2 INSTALLATION AND BASIC OPERATION	25
1. CONDITIONS REQUIRED FOR INSTALLATION	25
2. UNPACKING	26
3. INSTALL THE PRINTER	27
4. PAPER HANDLING	34
5. CONTROL PANEL OPERATION	37
6. NETWORK BOARD OPERATION (FOR HL-1270N ONLY)	41
CHAPTER 3 THEORY OF OPERATION	43
1. ELECTRONICS	43
2. MECHANICS	63
CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY	71
1. SAFETY PRECAUTIONS	71
2. DISASSEMBLY FLOW	72
3. DISASSEMBLY PROCEDURE	73
4. PACKING	114
CHAPTER 5 PERIODIC MAINTENANCE	115
1. CONSUMABLE PARTS	115
2. PERIODICAL REPLACEMENT PARTS	118
3. PERIODICAL CLEANING	119
4. MTBF / MTTR	121
CHAPTER 6 TROUBLESHOOTING	123
1. INTRODUCTION	123
2. OPERATOR CALLS & SERVICE CALLS	126
3. ERROR MESSAGES	128
4. PAPER PROBLEMS	131
5. SOFTWARE SETTING PROBLEMS	136
6. MALFUNCTIONS	140
7. IMAGE DEFECTS	145
8. INCORRECT PRINTOUT	164
9. NETWORK PROBLEM (FOR HL-1270N ONLY)	167
10. INSPECTION MODE	174
APPENDIX	179
APPENDIX 1. SERIAL NO. DESCRIPTIONS	179
APPENDIX 2. DIAMETER / CIRCUMFERENCE OF ROLLERS	181
APPENDIX 3. PRINT SPEEDS WITH VARIOUS SETTINGS	182
APPENDIX 4. HOW TO KNOW DRUM UNIT LIFE & PAGE COUNTER	183
APPENDIX 5. HOW TO USE THE SELF-DIAGNOSTICS TOOLS	189
APPENDIX 6. NVRAM DEFAULT VALUE	193
APPENDIX 7. PAPER CASSETTE INFORMATION (FOR EUROPE ONLY)	194
Appendix 8. Connection Diagram, HL-1030/1240	195
Appendix 9. Connection Diagram, HL-1250	196
Appendix 10. Connection Diagram, HL-1270N	197
Appendix 11. Main PCB Circuit Diagram, HL-1030/1240 (1/2)	198
Appendix 12. Main PCB Circuit Diagram, HL-1030/1240 (2/2)	199
Appendix 13. Main PCB Circuit Diagram, HL-1250/1270N (1/5)	200
Appendix 14. Main PCB Circuit Diagram, HL-1250/1270N (2/5)	201
Appendix 15. Main PCB Circuit Diagram, HL-1250/1270N (3/5)	202
Appendix 16. Main PCB Circuit Diagram, HL-1250/1270N (4/5)	203
Appendix 17. Main PCB Circuit Diagram, HL-1250/1270N (5/5)	204
Appendix 18A. Engine PCB Circuit Diagram (OLD)	205
Appendix 18B. Engine PCB Circuit Diagram (NEW)	206
Appendix 19. Network Board Circuit Diagram, HL-1270N	207
Appendix 20. Low-voltage Power Supply PCB Circuit Diagram (110 - 120V)	208
Appendix 21. Low-voltage Power Supply PCB Circuit Diagram (220 - 240V)	209
Appendix 22A. High-voltage Power Supply PCB Circuit Diagram (OLD)	210
Appendix 22B. High-voltage Power Supply PCB Circuit Diagram (NEW)	211
APPENDIX 23. DIFFERENCES BETWEEN OLD & NEW VERSIONS OF HVPS & ENGINE PCB	212
INDEX	213
pl_hl12er.pdf	219
NOTE	220
CONTENTS	221
1. FRAME / DRIVE UNIT	222
Drawing	223
Drawing	223
3. PAPER FEEDER	224
Drawing	225
4. FIXING UNIT	226
Drawing	227
5-1. PAPER CASSETTE, LGL	228
Drawing	230
Drawing	230
Drawing	230
Drawing	230
6. COVERS	231
Drawing	232
7. MAIN PCB	233
Drawing	234
8. ENGINE PCB	235
Drawing	236
Drawing	236
10. HIGH-VOLTAGE POWER SUPPLY PCB	237
Drawing	238
Drawing	238
12. ACCESSORIES	239
Drawing	240
13. PACKING MATERIALS	241
Drawing	242
Drawing	242