HO does a good job with print results but the cost is high for replacements. If you purchase the XL you do get more prints but the are a higher cost so it’s a toss up.
The computer chips in each cartridge communicate with the printer and relay the data to the computer. The computer relays the data with H/P and the return data stream commands the printer to function. This entire process happens in an instant. And the colors come out perfectly.