Brother MFC5840CN Service Manual
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Also See for MFC5840CN:
- Manual (211 pages) ,
- User manual (218 pages) ,
- Software user's manual (175 pages)
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Summary of Contents for Brother MFC5840CN
- Page 1 FACSIMILE EQUIPMENT SERVICE MANUAL MODELS: MFC5840CN MFC5440CN Confidential...
- Page 2 Preface This Service Manual is intended for use by service personnel and details the specifications, construction, theory of operation, and maintenance for the Brother machines noted on the front cover. It includes information required for troubleshooting and service--disassembly, reassembly, and lubrication--so that service personnel will be able to understand equipment function, repair the equipment in a timely manner and order spare parts as necessary.
- Page 3 CHAPTER 8 MAINTENANCE MODE Describes the maintenance mode which is exclusively designed for the purpose of checks, settings and adjustments using the keys on the control panel. In the maintenance mode, you can update memory (EEPROM: electrically erasable programmable read-only memory) contents for optimizing the drive conditions of the head/carriage unit, paper feed roller or paper ejection roller (if they have been replaced) or for setting the CIS scanner area, for example.
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Page 4: Chapter 5 Disassembly/Reassembly And Lubrication
5.1.11 MJ/PS Shield Box, MJ PCB and Power Supply PCB........5-42 5.1.12 Ink Absorber Box....................5-44 5.1.13 Engine Unit and Maintenance Unit..............5-46 5.1.14 Components on the Engine Unit ..............5-48 5.1.15 LT Chassis and LT Gear Holder ASSY (MFC5840CN)........5-60 5.1.16 Routing of the Harnesses and Flat Cables............5-62 LUBRICATION ......................5-66 Confidential... - Page 5 5.1 DISASSEMBLY/REASSEMBLY n Safety Precautions To prevent the creation of secondary problems by mishandling, observe the following precautions during maintenance work. (1) Before starting disassembly/reassembly jobs, unplug the power cord and telephone line. In particular, when having access to the power supply inside the machine, make sure that the power cord is unplugged from the electrical outlet;...
- Page 6 CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING This chapter details error messages and codes that the incorporated self-diagnostic functions display if any error or malfunction occurs. If any error message appears, refer to this chapter to find which components should be checked or replaced. The latter half of this chapter provides sample problems that could occur in the main sections of the machine and related troubleshooting procedures.
- Page 7 9.2.6 Possible component defects and resulting problems........9-39 [ 1 ] ADF mechanism..................9-39 [ 2 ] Scanner mechanism................9-40 [ 3 ] Head/carriage unit drive and purge mechanisms ........9-41 [ 4 ] Print head mechanism................9-42 [ 5 ] ASF mechanism..................9-43 [ 6 ] Paper feeding mechanism..............9-43 [ 7 ] Speaker....................9-43...
- Page 8 Brother MFC-5440CN MFC-5840CN service manual Brother MFC-5440CN MFC-5840CN service manual Brother MFC-5440CN MFC-5840CN service manual Brother MFC-5440CN MFC-5840CN service manual Brother MFC-5440CN MFC-5840CN service manual Brother MFC-5440CN MFC-5840CN service manual Brother MFC-5440CN MFC-5840CN service manual Brother MFC-5440CN MFC-5840CN service manual...