Test Question Preparedness:

<< For Printers >>

You should be prepared to satisfactorily answer questions on the following items:

[ The meaning or identification of: ]

Impact vs Non-Impact

  • Dot-Matrix
  • Daisy-Wheel
  • Ink-Jet
  • Dry-Jet
  • Wax-Jet
  • Laser-Jet
  • Thermal-Imaging
  • Pitch vs Point-Size
  • NLQ
  • Communication Protocols (ETX/ACK, XON/XOFF)

    • [ Impact Printers: ]                              -            Components - location and purpose

    Driver Circuits:

  • Carriage motor
  • Paper-feed motor
  • Types of motors most likely used, and number of drivers required
  • DC Servo System
  • Stepper Motors
  • Print-head drivers
  • Power turn-on for motor drivers
  • Likely failures, in order of probability

    • [ Laser Printers: ]                              -            Components - location and purpose

    Purpose of the following:

  • Laser, or LED Array
  • Light sensitive drum, or belt
  • Toner
  • "Fuser"
  • "Corona wires

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    TestPrep - Printers - SfE-DCS - ddf - 06/24/2001