Laser Printer

Question 1

Laser Printer

Answer 1

• Combine, laser, high voltage, charged ions, powdered ink, heat, & paper
• Very high quality
• Very complex
  
  • Many moving parts
  • Requires on-printer memory
  • Messy on inside

Question 2

Imaging Drum

Answer 2

• Image drawn onto photosensitive drum
  
  • Painted with laser
• Picks up toner
  
  • Transfers toner onto paper

-Can be separate from the toner cartridge or combined

Question 3

Fuser Assembly

Answer 3

• Heat & Pressure
  
  • Melts plastic toner powder
  • Permanent bond toner to paper

Question 4

Transfer Belt & Roller`

Answer 4

• Color laser printers
  
  • Cyan, Yellow, Magenta, Black
• Four separate toner cartridges
  
  • Four separate photoreceptive drums
• Image is transferred from all cartridges to the single belt
  
  • And then to a single transfer roller

Question 5

Pick up Rollers

Answer 5

• They pick up paper
  
  • Should be one piece at a time

-Should be periodically cleaned or replaced

Question 6

Separation Pad

Answer 6

-Pull just the top sheet

• Small & inexpensive
  
  • Easy to clean or replace

Question 7

Duplexing Assembly

Answer 7

• Allows you to print on both sides
• Mechanisms internally flip the page
• Printing on both sides is a two step process

Question 8

Laser Printer Process

Answer 8

1. ) Processing - Image sent to Memory
2. ) Charging - Sends negative charge to drum
3. ) Exposing - Laser writes image
4. ) Developing - Applies negative charged toner
5. ) Transfer - toner is place onto paper
6. ) Fusing - Heat & pressure applied to paper
7. ) Cleaning - Removes all toner from drum