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Black and White Print Speed - ESAT (Enhanced Speed Accuracy Test) is a measurement of the speed of printing black and white documents according to a specific test that measures the average performance of the printer when creating documents. This method is considered more realistic because it incorporates the processes the printer uses during actual operation and is often slightly lower than standard ISO measurements.

Colour - ESAT print speed is measured by the ESAT test, similar to black and white printing, which provides a realistic estimate of the actual print speed of colour documents during normal operation. This test focuses on the actual working conditions of the printer and often shows lower values than standard ISO tests, as colour printing is usually more time consuming.

The print resolution indicates the level of detail the printer can produce. It is measured in DPI (dots per inch), and the higher the resolution value, the sharper and more detailed the output will be. For high-quality printing of photos and detailed documents, a printer with a high resolution (e.g. 1200 × 1200 DPI) is ideal, while lower values (600 × 600 DPI) will suffice for normal printing tasks.

The number of colors in a printer indicates how many separate color components are used in printing. Standard inkjet printers use four basic colours (CMYK - cyan, magenta, yellow and black), allowing full-colour printing of common documents and photos. However, some printers use extended colour palettes, such as 6 or more colours (e.g. light cyan, light magenta, grey), which provide smoother transitions and higher colour fidelity. Higher colour counts are common in printers designed for professional graphics and photography.

Printing technology refers to the specific way in which a printer converts digital data into a physical printout. The main technologies include inkjet printing (suitable for colour images and photos), laser printing (fast and accurate printing of text and documents), thermal transfer and thermal sublimation printing (suitable for printing labels, industrial signage or photos) and direct thermal printing (e.g. receipts). The choice of technology affects the quality of output, the speed of printing and the cost of operation. Printers today are often tailored to specific requirements - from home use to professional deployment.

The resolution of a flatbed scanner is a key parameter that determines the quality of the scanned image. It is measured in DPI (dots per inch) and indicates how fine details the scanner can capture. Higher resolution means better scan quality and the ability to display fine textures or small letters in detail. Typical values are 300 DPI for general scanning and up to 1200 DPI for scanning highly detailed documents.