Brother International DCP 8040 Service Manual - Page 3
Preface - parts diagram
UPC - 012502610328
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MFC-8440/8840D/8840DN, DCP-8040/8045D/8045DN SERVICE MANUAL PREFACE This publication is a Service Manual covering the specifications, construction, theory of operation, and maintenance of the Brother machine. It includes information required for field troubleshooting and repair--disassembly, reassembly, and lubrication--so that service personnel will be able to understand machine function, to rapidly repair the machine and order any necessary spare parts. To perform appropriate maintenance so that the machine is always in best condition for the customer, the service personnel must adequately understand and apply this manual. This manual is made up of six chapters and appendices. CHAPTER 1: GENERAL CHAPTER 2: INSTALLATION AND BASIC OPERATION CHAPTER 3: THEORY OF OPERATION CHAPTER 4: DISASSEMBLY AND RE-ASSEMBLY CHAPTER 5: PERIODIC MAINTENANCE CHAPTER 6: TROUBLESHOOTING CHAPTER 7: MAINTENANCE MODE APPENDIX 1: EEPROM CUSTOMIZING CODES APPENDIX 2: INSTALLING THE UPDATE DATA APPENDIX 3: FIRMWARE SWITCHS (WSW) APPENDIX 4: CIRCUIT DIAGRAMS Information in this manual is subject to change due to improvement or redesign of the product. All relevant information in such cases will be supplied in service information bulletins (Technical Information). A thorough understanding of this printer, based on information in this service manual and service information bulletins, is required for maintaining its print quality performance and for improving the practical ability to find the cause of problems. i