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Chủ Nhật, 22 tháng 5, 2011

NGUYEN THI THU HIEN 09120027



Dot-matrix printer
Inkjet printer
Laser printer
Thermal transfer printer
Imagesetters
Plotter
Function
Use pins to print the dots required to shape a character.
Operate by projecting small ink droplets onto paper to form the required image.
Color and hues are created by the precise mixing of cyan, magenta, yellow and black inks.
Scan the image with a laser beam an transfer it to paper with a special ink powder called toner.
Transfer a wax-based ink onto paper.
Images are created on a DTP computer and then output directly to the printing plates, with out requiring film as an intermediate step.
Use ink and fine pens held in a carriage to draw very detailed designs on paper.
Resolution
72-180 dpi
2400 dpi
1200-2400 dpi
Medium
Up to 3540 dpi

Product
Text and graphics, used to print multi-part forms, self-copying paper and continuous-form labels.

Graphics
Colorful images, bar codes, labels and medium resolution graphics.
Poster, big images, plates.
Plans, engineering drawings and other technical illustrations.
Speed
Slower than laser printer
Fairly fast
Great speed

Extremely fast

Price
Much cheaper than laser printer
Not as expensive as laser printer
Expensive

Too expensive


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