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Printer guides
Plain-English answers to the questions behind a test print.
A4 vs Letter: which paper size should you use?
Two sizes cover most of the world’s everyday printing. Here is how they differ and what goes wrong when the file and the paper disagree.
Read the guideCMYK vs RGB: why prints look different from your screen
Screens and printers make color in opposite ways. Understanding the difference explains most “my print looks dull” complaints.
Read the guideHow often should you print a test page?
There is no single correct interval. Here is how to think about it, and why a quick check usually costs less than the problems it prevents.
Read the guideHow to read a nozzle check pattern
A nozzle check shows whether each ink is flowing. Here is what a healthy print looks like, what gaps mean, and what to do next.
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Looking for steps instead? How to print a test page · Fix a print problem