iPhone Says "No Printer Found"? Here's How to Fix It
You tap Share, then Print, and your iPhone tells you there is no printer to be found — even though that printer is ten feet away and printing fine from your laptop. AirPrint is genuinely convenient when it works, and genuinely maddening when it does not. Here is what actually causes it. Both devices must be on the exact same network. Apple's AirPrint feature requires that your iPhone and printer be connected to the same network. If your router broadcasts both a 2.4 GHz and a 5 GHz network, the printer may be connected to one while your iPhone is connected to the other. This alone prevents the printer from ever appearing on your iPhone. Check the network name in your iPhone's Wi-Fi settings, then print a network-configuration page from the printer and compare. If they do not match exactly, that is your answer. Let the iPhone search properly. When printing from an iPhone, tap the Share button and choose Print. If you see "No Printer Selected," tap it and allow the iPhone a few seconds to search for available printers. Once your printer appears, select it and try printing again. Do not tap away immediately — discovery can take five to ten seconds on a busy network, and many people give up before the printer has a chance to answer. Restart the network, then the printer. Restart your Wi-Fi router. This refreshes the network connection and often resolves AirPrint issues on its own, because AirPrint depends on a discovery service that quietly stops working when a router has been running for months. Turn off your VPN. If you're using a VPN on your iPhone, temporarily disable it and test printing again. VPNs can interfere with printer discovery because they route your traffic away from your local network — and your printer is on your local network. This catches a lot of people who installed a VPN app and forgot it is running. Confirm your printer actually supports AirPrint. Most modern printers support Apple AirPrint, but some older printers require the manufacturer's app instead. AirPrint-compatible printers can print directly from an iPhone without installing drivers. If yours predates AirPrint, install the manufacturer's app — HP Smart, Epson iPrint, Canon PRINT, Brother iPrint&Scan — and print through the app rather than through the standard iOS Print option. Check for guest network and AP isolation. If your iPhone is on a guest network, printing will never work — guest networks intentionally block devices from talking to each other. Some routers also have an 'AP isolation' or 'client isolation' setting enabled by default that does the same thing on the main network. This one is worth having someone check if everything else looks correct.
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