The most common error code on a Samsung printer is A I-III0. This error code means that the print head may be clogged with ink. The first thing to do before you try to clear this error code is to ensure that there is no foreign object obstructing the path of the print head by using a flashlight or your eyes only. Next, make sure that the power cord is plugged into the printer and not just some outlet nearby. You can also try to clean the print cartridge so that it does not produce too much ink during printing. Samsung printers can be frustratingly finicky, but it's important to know when the error codes are an actual problem and when they're just a nuisance. The error code A-I-III0 indicates a problem with the ink cartridge that needs to be replaced. At last , In this article, learn how to fix the error and what to do if the problem happens again.