Jan 27, 2022  
2020-2021 Course Catalog 
    
2020-2021 Course Catalog [ARCHIVED CATALOG]

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ELT 479 - Basic Imaging Devices Lab

Credits: 3
Lecture Hours: 0
Lab Hours: 6
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
Experience in troubleshooting, service and repair of copiers, laser printers, fax machines, scanners and peripherals, monitors, cameras, LCD displays.
Prerequisite: ELT 387 , ELT 388 .
Corequisite: ELT 478  
Competencies
  1. Evaluate the imaging properties of various papers
    1. Determine the characteristics of paper that affect its imaging properties
    2. Identify the die cut edge of paper
  2. Summarize servicing paper feeding mechanisms
    1. Identify friction feed system failures
    2. Adjust corner separators
    3. Service spring slip clutches and torque limiters
    4. Clean one-way clutches and gears
  3. Service basic optic systems
    1. Clean mirrors and lenses
    2. Align mirrors and lens to the drum surface
    3. Adjust focal distances for proper magnification or reduction of an image
    4. Maintain digital laser imaging systems
  4. Outline the servicing of the drum and latent image developing components
    1. Service organic photo conductors
    2. Adjust drum charging currents
    3. Maintain image development systems
    4. Repair drum cleaning mechanisms
  5. Summarize the servicing of the fusing mechanisms
    1. Clean silicone rubber rollers and teflon coated rollers
    2. Repair silicone rubber rollers and teflon coated rollers
    3. Replace halogen lamps used for heating
    4. Adjust mechanisms that separate paper from rollers
  6. Investigate basic electronics relating to servicing business imaging devices
    1. Use point to point wiring diagrams
    2. Read point to point wiring diagrams
    3. Test photo sensors
    4. Explain photo interrupter operation
    5. Explain the actuation and de-activation of electrical and electro-mechanical devices
  7. Servicing a digital copier
    1. How to enter and exit service program mode
    2. Understanding error code displays
    3. How to use test point tables
    4. Demonstrate preventative maintenance and upgrade procedures
    5. Troubleshoot and repair defective digital copier machines
  8. Networking and troubleshooting networked office machines
    1. Demonstrate how to setup and install a network printer
    2. Configuring a default printer
    3. Setting up multiple users for a networked office printer, fax, and scanner
    4. Understanding 802.3 Ethernet networks
    5. Demonstrate troubleshooting of networked office machines



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