Jan 24, 2022  
2020-2021 Course Catalog 
    
2020-2021 Course Catalog [ARCHIVED CATALOG]

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ELT 478 - Basic Imaging Devices

Credits: 3
Lecture Hours: 3
Lab Hours: 0
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
An analysis of various imaging systems, including laser printers, copiers, fax machines, scanners, and such accessories as document feeders and sorters, monitors, cameras and LCD displays.
Prerequisite: ELT 387 , ELT 388 .
Corequisite: ELT 479  
Competencies
  1. Evaluate paper feeding mechanisms
    1. Explain properties of paper which affect imaging
    2. Explain friction feed systems
    3. Describe the operation of corner separators
    4. Compare spring slip clutched and torque limiters
  2. Relate the basics of optics
    1. Relate the process of light transfer of an image through mirrors and lens to a drum surface
    2. Calculate focal distances to magnify or reduce an image
    3. Describe the creation of digital laser images
  3. Demonstrate familiarity with the drum and latent image developing
    1. Describe organic photo conductors and how they work
    2. Explain drum charging
    3. Explain exposure image development
    4. Describe the process of image transfer
    5. Discuss drum cleaning
  4. Analyze the process of fusing
    1. Describe heat and pressure fusing of toner to paper
    2. Demonstrate knowledge of silicone rubber rollers and teflon coated rollers
    3. Explain how halogen lamps are used for heating
    4. Discuss the process of separating paper from rollers
  5. Demonstrate basic mechanical knowledge and care relating to business imaging devices
    1. Describe spring clutch operation
    2. Explain spring clutch cleaning
    3. Illustrate one-way clutch and gear operation
    4. Outline one-way clutch and gear cleaning
  6. Explain basic electronics relating to business imaging devices
    1. Demonstrate proficiency in reading and using point to point wiring diagrams
    2. Describe photo sensors behavior
    3. Show photo interrupter operation
    4. Explain activation and deactivation of electrical and electro mechanical devices
  7. Understanding of digital copier machine information
    1. Specifications
    2. Machine configuration
    3. Paper path
    4. Mechanical component layout
    5. Electrical component descriptions
    6. Digital copy process
    7. Board structure
    8. Service program modes
    9. Troubleshooting of digital copiers
    10. Understanding error codes
  8. Networking of digital copiers and all in one office machines
    1. Understand the basics of networking
    2. Describe the stops in setting up networked office systems
    3. Integrating office machines with 802.3 Ethernet standards
    4. Setting up office machines on networks to fax, scan, and print
    5. Explain how to set up peer to peer networks
  9. Troubleshooting network problems
    1. Identify the steps in troubleshooting network problems



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