A printer is an output device that produces physical (hard) copies of digital documents, images, or graphics.
Printer: A hardware device that converts digital files into printed documents on paper or other media.
| Type | Description |
|---|---|
| Inkjet | Sprays liquid ink; good for color and photo prints |
| DeskJet | A type of inkjet printer by HP; compact, affordable, home/office use |
| Laser | Uses toner and laser beam; fast and sharp for text |
| Dot Matrix (DMP) | Impact printer using a ribbon; prints on multi-part forms |
| Thermal | Uses heat-sensitive paper; often used in receipts |
| 3D Printer | Creates 3D objects layer by layer from digital models |
| Feature | Description |
|---|---|
| Technology | Impact printing using pins and ribbon |
| Speed | Slower than modern printers |
| Quality | Low-resolution text output |
| Paper Type | Continuous or multi-copy carbon paper |
| Usage | Ideal for billing, receipts, invoices, banking |
| Feature | Description |
|---|---|
| Technology | Inkjet-based; trademark by HP |
| Usage | Home, school, small office printing |
| Strengths | Affordable, easy to use, decent photo quality |
| Limitations | Slower than laser printers; ink cartridges costly over time |
Printers are vital for converting digital content into hard copies. DeskJet printers are common for home use, while Dot Matrix Printers serve specific needs like multi-copy forms and receipts.