What is Print Resolution?
Print resolution refers to the rate at which pixels are distributed on a image for printing.
It is usually denoted in terms of DPI (dots per inch) or PPI (pixels per inch).
The higher the number, the higher is the resolution and the better the print quality.
Normally a DPI of 300 or above is used for printing.
How does Print Resolution influence Printing?
Many times, people are confused by the number of pixels in an image and its dimensions. The pixel dimensions of a file usually indicate how the pixels are arranged geometrically and do not denote the size of the image.
For example, an image which is 1024 x 768 pixels denotes that there are 1024 pixels horizontally and 768 pixels vertically.
Now this gets translated to a particular size or dimension by means of the print resolution, i.e. DPI
A DPI of ~100 or so would mean the image is 10 inches (1024/100) in height, whereas a DPI of ~200 would mean the image is about 5 inches (1024/200) in height.
Read Understanding Image Resolution for Printing to learn more about image resolution and how it affects printing.