Printers

• ICT and computer science
• Secondary Education
• Age 12

Input devices

output devices

Do you have more examples of output devices?

Learning objectives

• Describe the principles of operation of the following output devices: inkjet and laser printers.
• Recognize the difference between inkjet and laser printers.

0

Inkjet printers produce poor-quality printouts.

1. True
2. False

Inkjet printers are most commonly used in schools.

1. True
2. False

1

2

3

A bubble will be formed in the ink

The heating element receives a charge of electricity and heats up.

The bubble expands then squeezes out drops of ink.

0

Which technology has hundreds of nozzles?

1. Thermal bubble
2. Piezoelectric
3. both
4. None

Which technology uses a heating element that creates bubbles?

1. Piezoelectric
2. Thermal

0

1

2

3

4

The laser draws the image on the drum

The drum is coated with toner

An electric charge will be placed on the drum

The paper goes through the drum, toner is placed on paper.

Inkjet printer

Laser printer

Ink

Toner

Heat element

Laser beam to draw on a drum

Thermal bubble 

Piezoelectric

high volume printing

What do you know now
about
Inkjet & laser printers

Let's ask him/her a question!

How well have you understood the lesson!

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