Printer Prep - Study Guide

06/24/2001

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