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Book Description

Multifunction devices combine the essentials of a fax machine, printer, scanner, and copier into one peripheral for small and home offices. As the market for this equipment grows, the need for skilled repair and maintenance increases. Unfortunately the service documentation supplied by the manufacturers is completely inadequate making the repair jobs even harder and more expensive. Marvin Hobbs teaches you how multifunction peripherals work in theory and in practice with lots of hands-on examples and important troubleshooting and repair tips you don't want to miss.

This book fills a gap in the literature, and will be a welcome addition to the library of any technician or do-it-yourselfer.

  • Written by a knowledgeable practitioner with inside industry information
  • Fully covers the troubleshooting and repair of multifunction peripherals
  • A must-have instructional and reference title for anyone who works with computer peripherals!

Table of Contents

  1. Cover image
  2. Title page
  3. Table of Contents
  4. Copyright
  5. Preface
  6. Introduction
  7. Abbreviations
  8. Chapter 1: The Evolution of the MFP from the Fax Machine
    1. PC AND FAX MACHINE LINKED
    2. EXTERNAL INTERFACES BETWEEN FAX AND PC
    3. A MULTIFUNCTION DEVICE
    4. MULTIFUNCTION PRINTER
    5. AN MFP FOR COMBINING AND ROUTING IMAGE DATA
    6. PRINTERS IN FAX MACHINES
    7. THERMAL PAPER PRINTING
    8. THERMAL TRANSFER PRINTERS
    9. PRINTERS IN MFPs
    10. PLAIN PAPER MONOCHROME PRINTING
    11. ELECTROPHOTOGRAPHIC PRINTING
    12. THE LASER BEAM PRINTER
    13. INKJET PRINTERS
    14. THE MECHANISM AND THE CARTRIDGES
    15. COLOR INKJET PRINTERS IN MFPs
    16. SCANNERS IN MFPs
    17. SERVICING CONSIDERATIONS
  9. Chapter 2: Servicing Multifunction Peripherals for PCs
    1. SERVICE MODE
    2. TEST MODE
    3. ROM Test
    4. REPORT PRINTOUT
    5. LCD DISPLAY
    6. If a Communication Problem Occurs
    7. SCANNER MECHANISM
    8. PRINT MECHANISM
    9. CIRCUITRY
    10. TROUBLESHOOTING FLOW CHARTS
    11. DISASSEMBLY AND REASSEMBLY
    12. REMOTE DIAGNOSTICS
    13. PRECAUTIONS
    14. ESD Precautions
  10. Chapter 3: Inkjet Printers in MFPs: I
    1. STRUCTURE AND OPERATION
    2. PRINTER MECHANISM
    3. PURGE UNIT
    4. CARRIAGE
    5. PAPER FEED/SHEET FEEDER
    6. SENSORS
    7. PRINTER BOARD SECTION
  11. Chapter 4: Inkjet Printers in MFPs: II. Parts Replacement and Service Precautions
    1. PARTS REPLACEMENT PROCEDURE
    2. INSTALLING THE PRINT CARTRIDGE
    3. PAPER SETTINGS
    4. PAPER SETTINGS
    5. PERSONAL SAFETY PRECAUTIONS
    6. MACHINE PRECAUTIONS
    7. PRINTER HANDLING
  12. Chapter 5: Laser Printers in MFPs
    1. LASER UNIT
    2. THE PRINT PROCESS
    3. REPLACEABLE CARTRIDGES
    4. FUSER UNIT
    5. MAIN MOTOR CONTROL CIRCUIT
    6. POLYGON MOTOR CLOCK GENERATOR
    7. FUSER CONTROLLER (DIGITAL)
    8. LBP CONTROL CIRCUIT (DIGITAL)
    9. FUSER CONTROL CIRCUIT (ANALOG)
    10. TONER SENSOR CIRCUIT
    11. MAIN MOTOR DRIVE CIRCUIT
    12. LSU INTERFACE CIRCUIT
    13. RECORDING PAPER SENSOR
    14. JAM SENSOR (PC604)
    15. LASER POWER SELECT SIGNAL
    16. DETECTION OF POLYGON MOTOR ROTATION
    17. DETECTION OF FAN MOTOR ROTATION
    18. GENERAL INSTRUCTIONS FOR MAINTENANCE
  13. Chapter 6: The LED Printer
    1. LED PRINTERS
    2. COMPONENTS OF THE PRINTER
    3. THE LED PRINTING PROCESS
    4. DC Fan
    5. POWER SUPPLY UNIT
    6. SENSORS AND SWITCHES
    7. TROUBLESHOOTING TIPS
    8. MAINTENANCE
    9. REFERENCES
  14. Chapter 7: Scanners in MFPs
    1. SHADING COMPENSATION AND IMAGE ENHANCEMENT
    2. CIS SCANNER IMAGE PROCESSING AND INTERFACE CIRCUITRY
    3. CCD SCANNER IMAGE PROCESSING AND INTERFACE CIRCUITRY
    4. DESCRIPTION OF DRAM CONTROL
    5. GENERAL DESCRIPTION OF MEMORY ACCESS
    6. COLOR IMAGE SCANNERS
    7. TRANSFERENCE OF PIXEL SIGNALS ONTO A VIDEO LINE
    8. THE COLOR SCANNER OF THE BROTHER MFC7,000FC MACHINE
    9. THE SAMSUNG MYSCAN SOFTWARE PROGRAM
  15. Chapter 8: The Fax Function
    1. FAX CIRCUITRY
    2. CIRCUIT OPERATIONS
    3. IMAGE DATA FLOW DURING FACSIMILE OPERATION
    4. THE FAX ENGINE
    5. THE FAX MODEM
    6. NCU PCB
    7. G3 FAX BINARY PROTOCOL
    8. FILE TRANSFER
    9. PC FAX
    10. SMARTFAX
  16. Chapter 9: Power Supplies
    1. POWER SUPPLY PCB OF BROTHER MFC7000FC AND 7200FC
    2. POWER SUPPLY PCB OF BROTHER MFC4350 AND RELATED MODELS
    3. SWITCHING POWER SUPPLY UNIT SECTION
    4. SERVICING THE POWER SUPPLY UNIT
    5. SURGE PROTECTION
  17. Chapter 10: Consumables
    1. PRINTER CARTRIDGES
    2. THE BROTHER HL-700 LASER PRINTER CARTRIDGE SERIES
    3. INKJET PRINTER CARTRIDGE IN BROTHER MFC 7000/MFC 7200 MFPs
    4. PAPER TYPES AND SIZES
    5. REMANUFACTURE OF PRINTER CARTRIDGES
    6. REMANUFACTURE OF LASER CARTRIDGES
    7. REMANUFACTURE OF INKJET CARTRIDGES
    8. INKJET PROCESSING EQUIPMENT
  18. Msys4700 and Msys4800
  19. Glossary
  20. References
  21. Index