AirPrint printer used to show up. Now it doesn’t. What is the troubleshooting sequence?
How do I troubleshoot AirPrint?
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Hi,
AirPrint printers should automatically appear when you try to print if everything is OK. First of all, it must be a supported AirPrint printer model (which I assume it is). Also, the printer and the iPhone must be connected to the same network (Wi-Fi router).
About AirPrint - Apple Support
Use AirPrint to print from your iPhone, iPad, or iPod touch - Apple Support
If there is a problem with AirPrint discovery for one or more devices, and if all settings are correct, you may want to try the following full procedure (in the exact order):
Power off the Wi-Fi router, the printer, the iPhone, and all other devices/computers. Wait two to three minutes. Power on the router. Wait two to three minutes. Power on the printer. Wait a minute or two. Power on the iPhone. Finally, power on all other devices/computers.