Table of Contents
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Table of Contents
Related Manuals for Brother MFC-7840
Summarization of Contents
Reference 1 Specifications
1. Components
Lists and illustrates the printer and ADF components.
2. Specifications List
Detailed specifications for printing, functions, connectivity, and consumables.
2.3 Electronics and Mechanics
Provides power consumption, noise levels, dimensions, and weight for different models.
2.4 Network Connectivity
Details network protocols and OS support for wired and wireless connectivity.
2.5 Service Information
Key service information including machine life, MTBF, MTTR, and monthly volume.
2.6 Paper
Covers paper handling, media specifications, and type/size compatibility.
2.7 Printable Area
Defines printable areas for PCL emulation on various paper sizes.
2.8 Print Speeds with Various Settings
Details print speeds for A4/Letter and smaller sizes based on media type.
2.9 Telephone
Lists telephone features supported by different models.
2.10 Fax
Outlines fax capabilities, transmission speeds, and sending/receiving features.
2.11 Copy
Specifies copy speed, first copy out time, resolution, and enhancement features.
2.12 Scanner
Details scanner resolution, scanning speed, color depth, and scan functions.
2.13 Service (Not to be used in sales leaflet)
Provides machine life, monthly volume, and periodical replacement parts information.
Reference 2 Theory of Operation
1. General Block Diagram
Illustrates the main functional blocks and their interconnections within the machine.
2. Electronics General Block Diagram
Shows the main PCB and its connections to various electronic components and sensors.
3.1 Cross-section Drawing
Detailed illustration of the printer's internal mechanical structure and components.
3.2 Paper Feeding
Explains the different paper feeding paths within the printer.
3.3 ADF
Illustrates the document feeding paths for the Automatic Document Feeder.
3.4 Toner Cartridge
Details methods for detecting and counting toner life.
3.5 Print
Explains the basic principles of the printing process.
Appendix 1 Toner Cartridge Weight Information
High-capacity toner cartridge
Lists weights for high-capacity toner cartridges (TN-360/2120/2175/2150/2125).
Standard toner cartridge
Lists weights for standard toner cartridges (TN-330/2110/2135/2130/2115).
Starter toner cartridge
Lists weights for starter toner cartridges.
Appendix 2 Glossary
Acronyms and Technical Terms
Defines acronyms and technical terms used throughout the manuals.
Appendix 3 References
1. Error indication
Directs users to error indication information in the Service Manual.
2. Diameter of rollers
Refers to roller diameter specifications in the Service Manual.
3. Machine specification
Points to the specifications list in the Service Reference Manual.
4. Paper specification
Directs to the paper specifications in the Service Reference Manual.
5. Toner cartridge weight information
Refers to Appendix 1 for toner cartridge weight details.
6. Parts life reset
Guides users to drum counter reset procedures in the Service Manual.
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