Brother DCP-9045CDN Service Manual
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Also See for DCP-9045CDN:
- Service manual (491 pages) ,
- User manual (182 pages) ,
- Reference manual (62 pages)
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Summary of Contents for Brother DCP-9045CDN
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Page 1: Service Manual
Brother Color Laser Printer SERVICE MANUAL MODEL: DCP-9045CDN/MFC-9840CDW Read this manual thoroughly before carrying out any maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. July 2007 SM-FAX076 Confidential... - Page 2 Ltd., covering the latest product descriptions and specifications. The contents of this manual and the specifications of this product are subject to change without notice. Brother reserves the right to make changes without notice in the specifications and materials contained herein...
- Page 3 (hereinafter referred to as "the machine"). This information is vital to the service personnel to maintain the high printing quality and performance of the machine. This service manual covers the DCP-9045CDN/MFC-9840CDW machines. This manual consists of the following chapters: CHAPTER 1: TROUBLESHOOTING Details of error messages and codes that the incorporated self-diagnostic functions of the machine will display if any error or malfunction occurs.
- Page 4 APPENDIX 1: WORKER SWITCH SETTINGS (WSW) Describes the functions of the worker switches, which can be divided into two groups: one is for customizing preferences designed for the destination and the other is for modifying preferences that match the machine to the environmental conditions. Use the latter group if the machine malfunctions due to mismatching.
- Page 5 TABLE OF CONTENTS REGULATION.................... VIII SAFETY INFORMATION................XII CHAPTER 1 TROUBLESHOOTING ............1-1 1. INTRODUCTION ......................1-1 1.1 Precautions ........................1-1 1.2 Initial Check........................1-1 2. ERROR CODES ......................1-3 2.1 Error Indication ........................1-3 2.2 Error Cause and Remedy ....................1-5 2.2.1 Recoverable Error by User Check ................
- Page 6 CHAPTER 3 DISASSEMBLY AND ASSEMBLY ........3-1 1. SAFETY PRECAUTIONS ................... 3-1 2. PACKING ........................3-2 3. SCREW TORQUE LIST....................3-3 4. LUBRICATION ......................3-7 5. OVERVIEW OF GEARS ................... 3-15 6. HARNESS ROUTING ....................3-17 7. DISASSEMBLY FLOW ..................... 3-31 8.
- Page 7 8.31 Front Door Unit ASSY ....................3-139 8.32 Harness Cover MP....................... 3-142 8.33 Front Door Sub......................3-143 8.34 EL Electrode Spring L/R....................3-144 8.35 Hook Cover/ Front Cover Release Button/ Button Spring/ Front Door Main ....3-145 8.36 Hook Shaft/ Hook/ Hook Spring ................... 3-147 8.37 Engine PCB ASSY .......................
- Page 8 CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTING, REQUIRED AFTER PARTS REPLACEMENT....4-1 1. IF YOU REPLACE THE MAIN PCB................4-1 2. IF YOU REPLACE THE ENGINE PCB ..............4-10 3. IF YOU REPLACE THE FB UNIT ................4-13 CHAPTER 5 SERVICE FUNCTIONS ............5-1 1.
- Page 9 2. OTHER SERVICE FUNCTIONS ................5-36 2.1 Resetting the Periodical Replacement Parts Life ............5-36 2.1.1 Resetting the Life Counter of the Belt Unit ............5-36 2.1.2 Resetting the Life Counter of the Fuser Unit ............5-36 2.1.3 Resetting the Life Counter of the Drum Unit............5-37 2.1.4 Resetting the Life counter of the Paper Feeding Kit..........
- Page 10 Wireless LAN PCB ASSY (MFC-9840CDW only) Hook Wireless LAN PCB ASSY Front Hole Hook Hook Hook Joint cover ASSY Hook Hole Hole Front Joint cover ASSY Wireless LAN PCB harness Main PCB ASSY Confidential...