Printers

1. Benefits

1.1. Dot-matrix

1.1.1. low resolution output

1.1.2. slow

1.1.3. cheap

1.2. Inkjet

1.2.1. fast

1.2.2. quiet

1.2.3. not expensive

1.3. Laser

1.3.1. great speed

1.3.2. high resolution

1.3.3. expensive

1.4. Thermal transfer

1.4.1. high speed

1.4.2. expensive

1.5. Imagesetters

1.5.1. high resolution output

1.5.2. fast

1.5.3. expensive

2. Types

2.1. Dot-matrix

2.2. Inkjet

2.3. Laser

2.4. Thermal transfer

2.5. Imagesetters

2.6. Plotters

3. principle of operation

3.1. Dot-matrix

3.1.1. use pins to print the dots required to shape a character

3.2. Inkjet

3.2.1. projecting small ink droplets onto paper

3.3. Laser

3.3.1. scan the image with a laser beam and transfer it to paper

3.4. thermal transfer

3.4.1. transferring a wax-based ink onto the paper

3.5. plotters

3.5.1. use ink and fine pens