This comprehensive Service Repair Manual for Brother DCP7055, DCP7055w, DCP7057, DCP7057e, DCP7057w, DCP7060d, DCP7065dn, DCP7070dw, DCP7070hl, HL2280dw, MFC7360, MFC7360n, MFC7362n, MFC7460DN, MFC7470d, MFC7860dn, MFC7860d printers provides detailed information for diagnosing and repairing your copier. It is packed with diagrams, pictures, and step-by-step procedures to guide you through every repair process. The manual covers a wide range of topics, including:

* **Specifications:** A detailed overview of the printer's specifications, including general information, network connectivity, service information, consumables, paper handling, media specifications, unprintable areas, telephone, FAX, copy, scanner, unscannable areas, and USB direct interface.
* **Error Indication and Troubleshooting:** This section provides guidance on understanding and resolving error codes and messages. It includes a comprehensive overview of the printer's operation, cross-section drawings, paper feeding mechanisms, block diagrams, components, and toner cartridge/drum unit lifespan. It also covers troubleshooting various issues, including paper feeding problems, image defects, software setting problems, network problems, document feeding problems, scanning image defects, control panel issues, FAX/telephone function issues, PCB problems, and other common problems.
* **Disassembly and Reassembly:** The manual offers detailed instructions for disassembling and reassembling various parts of the printer, including the paper tray, cord hook, back cover, outer chute assembly, fuser cover, inner chute assembly, front cover assembly, side cover, ADF unit (for models with ADF), document cover assembly (for models without ADF), document scanner unit, panel unit, CIS unit, NCU assembly, speaker unit, joint cover, fuser unit, low voltage power supply PCB assembly, fuser fan, high voltage power supply PCB assembly, laser unit, wireless LAN PCB assembly, pick-up roller holder assembly, rubber foot, main PCB assembly, and more.
* **Adjustments and Updating of Settings:** This section provides instructions on the necessary adjustments and settings updates that must be performed after replacing certain parts. It covers firmware updates, resetting the EEPROM, country settings, serial number setting, laser unit adjustments, white level data acquisition, sensor operation checks, and more.
* **Service Functions:** The manual details the printer's service functions, including how to enter the maintenance mode, a comprehensive list of maintenance-mode functions, and detailed descriptions of each function. These functions cover areas like EEPROM parameter initialization, printing scanning compensation data, placing the scanner unit in position for transportation, ADF performance tests, monochrome image quality test patterns, LCD and control panel button operational checks, handset volume adjustments, software version checks, sensor operational checks, LAN connection status display, PC print function, EEPROM customization, received data transfer (FAX model only), fine adjustment of scan start/end positions, white level data acquisition, continuous print tests, setting by country, printing maintenance information, fan operational check, machine history (log) display, error code indication, sending communication error lists (FAX model only), counter reset after replacing the fuser unit and paper feeding kit, and exiting the maintenance mode.
* **Circuit Diagrams and Wiring Diagrams:** The manual includes detailed circuit diagrams and wiring diagrams for the printer.
* **Periodical Maintenance:** The manual provides a list of parts that require periodical replacement as part of routine maintenance.
* **Additional Information:** The manual also includes appendices containing information on the serial numbering system, deleting user settings information, installing the maintenance driver, and making protective materials for the drum unit.

This manual serves as a valuable resource for qualified technicians and repair professionals working on Brother DCP7055, DCP7055w, DCP7057, DCP7057e, DCP7057w, DCP7060d, DCP7065dn, DCP7070dw, DCP7070hl, HL2280dw, MFC7360, MFC7360n, MFC7362n, MFC7460DN, MFC7470d, MFC7860dn, MFC7860d printers.