What is a Printer?

A printer is an output device that produces text and images on paper. It turns digital files into physical copies called hard copies.

Types of Printers

• Inkjet printer: Sprays tiny drops of ink. Good for colour and photos.
• Laser printer: Uses toner powder. Fast and ideal for offices.
• Dot matrix printer: Uses pins to strike a ribbon. Still used for receipts.
• 3D printer: Builds solid objects layer by layer.

Key Features

• Print speed: Measured in pages per minute (PPM).
• Resolution: Measured in dots per inch (DPI).
• Colour or mono: Whether it prints in colour or black only.

Common Uses

Printers are used for documents, reports, invoices, photographs and posters. In offices, they remain an essential tool for daily work.