Document Outline

• sm_hl12er.pdf
  • PREFACE
  • TABLE OF CONTENTS
  • REGULATION
  • SAFETY INFORMATION
  • CHAPTER 1 GENERAL
    • 1. FEATURES
    • 2. OVERVIEW
    • 3. SPECIFICATIONS
  • CHAPTER 2 INSTALLATION AND BASIC OPERATION
    • 1. CONDITIONS REQUIRED FOR INSTALLATION
    • 2. UNPACKING
    • 3. INSTALL THE PRINTER
    • 4. PAPER HANDLING
    • 5. CONTROL PANEL OPERATION
    • 6. NETWORK BOARD OPERATION (FOR HL-1270N ONLY)
  • CHAPTER 3 THEORY OF OPERATION
    • 1. ELECTRONICS
    • 2. MECHANICS
  • CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY
    • 1. SAFETY PRECAUTIONS
    • 2. DISASSEMBLY FLOW
    • 3. DISASSEMBLY PROCEDURE
    • 4. PACKING
  • CHAPTER 5 PERIODIC MAINTENANCE
    • 1. CONSUMABLE PARTS
    • 2. PERIODICAL REPLACEMENT PARTS
    • 3. PERIODICAL CLEANING
    • 4. MTBF / MTTR
  • CHAPTER 6 TROUBLESHOOTING
    • 1. INTRODUCTION
    • 2. OPERATOR CALLS & SERVICE CALLS
    • 3. ERROR MESSAGES
    • 4. PAPER PROBLEMS
    • 5. SOFTWARE SETTING PROBLEMS
    • 6. MALFUNCTIONS
    • 7. IMAGE DEFECTS
    • 8. INCORRECT PRINTOUT
    • 9. NETWORK PROBLEM (FOR HL-1270N ONLY)
    • 10. INSPECTION MODE
  • APPENDIX
    • APPENDIX 1. SERIAL NO. DESCRIPTIONS
    • APPENDIX 2. DIAMETER / CIRCUMFERENCE OF ROLLERS
    • APPENDIX 3. PRINT SPEEDS WITH VARIOUS SETTINGS
    • APPENDIX 4. HOW TO KNOW DRUM UNIT LIFE & PAGE COUNTER
    • APPENDIX 5. HOW TO USE THE SELF-DIAGNOSTICS TOOLS
    • APPENDIX 6. NVRAM DEFAULT VALUE
    • APPENDIX 7. PAPER CASSETTE INFORMATION (FOR EUROPE ONLY)
    • Appendix 8. Connection Diagram, HL-1030/1240
    • Appendix 9. Connection Diagram, HL-1250
    • Appendix 10. Connection Diagram, HL-1270N
    • Appendix 11. Main PCB Circuit Diagram, HL-1030/1240 (1/2)
    • Appendix 12. Main PCB Circuit Diagram, HL-1030/1240 (2/2)
    • Appendix 13. Main PCB Circuit Diagram, HL-1250/1270N (1/5)
    • Appendix 14. Main PCB Circuit Diagram, HL-1250/1270N (2/5)
    • Appendix 15. Main PCB Circuit Diagram, HL-1250/1270N (3/5)
    • Appendix 16. Main PCB Circuit Diagram, HL-1250/1270N (4/5)
    • Appendix 17. Main PCB Circuit Diagram, HL-1250/1270N (5/5)
    • Appendix 18A. Engine PCB Circuit Diagram (OLD)
    • Appendix 18B. Engine PCB Circuit Diagram (NEW)
    • Appendix 19. Network Board Circuit Diagram, HL-1270N
    • Appendix 20. Low-voltage Power Supply PCB Circuit Diagram (110 - 120V)
    • Appendix 21. Low-voltage Power Supply PCB Circuit Diagram (220 - 240V)
    • Appendix 22A. High-voltage Power Supply PCB Circuit Diagram (OLD)
    • Appendix 22B. High-voltage Power Supply PCB Circuit Diagram (NEW)
    • APPENDIX 23. DIFFERENCES BETWEEN OLD & NEW VERSIONS OF HVPS & ENGINE PCB
  • INDEX
  • PR99188.pdf
    • Service manual
• pl_hl12er.pdf
  • NOTE
  • CONTENTS
    • 1. FRAME / DRIVE UNIT
      • Drawing
    • 2. LASER UNIT
      • Drawing
    • 3. PAPER FEEDER
      • Drawing
    • 4. FIXING UNIT
      • Drawing
    • 5-1. PAPER CASSETTE, LGL
      • Drawing
    • 5-2. PAPER CASSETTE, A4
      • Drawing
    • 5-3. PAPER CASSETTE, PB
      • Drawing
    • 5-4. PAPER CASSETTE, LEG
      • Drawing
    • 6. COVERS
      • Drawing
    • 7. MAIN PCB
      • Drawing
    • 8. ENGINE PCB
      • Drawing
    • 9. LOW-VOLTAGE POWER SUPPLY PCB
      • Drawing
    • 10. HIGH-VOLTAGE POWER SUPPLY PCB
      • Drawing
    • 11. AC CORDS
      • Drawing
    • 12. ACCESSORIES
      • Drawing
    • 13. PACKING MATERIALS
      • Drawing
    • 14. NETWORK BOARD
      • Drawing
    • 15. ADJUSTING TOOLS