Since upgrading to Ventura my MacBook has stopped talking to my Epson XP-640

Hi,

Since the Epson XP-640 is an AirPrint model, you should be able to print from the Mac as well without the need for additional drivers, provided that the Mac is connected to the same network (Wi-Fi router) as the printer, the iPad, and the iPhone.

About AirPrint - Apple Support

Add a printer to your printer list so you can use it on Mac – Apple Support (UK)

Reset the printing system on your Mac to solve a problem – Apple Support (UK)

Generally speaking, if there is a problem with device/computer discovery in connection with AirPrint, the following power-cycle procedure can be used (in this order, with these waiting times): Power off the Wi-Fi router, the printer, the Mac computer, the iPad, 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 Mac. Then power on the iPad and the iPhone. Finally, power on all other devices/computers.

Thank you.

The Epson XP-640 is working in the 2.4 GHz band.

See page 251 in the manual at https://files.support.epson.com/docid/cpd5/cpd51727.pdf .

See also page 206:

"Note: If you are using a 5 GHz wireless router, set the router to operate in dual band (2.4 GHz and

5 GHz) mode. If your router uses a single network name (SSID) for both the 2.4 GHz and 5 GHz band,

give each band its own network name (SSID) instead, such as Home Network 2.4 GHz and Home

Network 5 GHz. See your router documentation or contact your internet service provider for

instructions."

Anything of interest in the following article?

https://www.bt.com/help/broadband/fix-a-problem/broadband-and-wi-fi/i-want-to-improve-my-wi-fi/how-do-i-split-my-bt-hub-s-ssid--wireless-network-name--

This Brother (!) article describes a similar problem:

https://help.brother-usa.com/app/answers/detail/a_id/73618/~/compatibility-with-5-ghz%2C-dual-band-wireless-router%2C-or-mesh-networks

Thank you for the information.

Since neither the Mac nor the iPhone/iPad can find the printer, one would have to suspect either the router or the printer. Since the iPhone and iPad worked before, the router would be my main suspect. I assume that the router was powered off as well.

Was the Mac now added to use AirPrint only?

Did you remove the printer drivers from the Mac?

Did you reset the printing system?

Just to check, are the iPad and iPhone using "plain" AirPrint (that is, not using a special app from the printer manufacturer or a third party)?

Has anything been done to the Wi-Fi setup? Some modern (dual band) routers can be problematic due to "smart" device detection.

The printer should be wirelessly connected to the Wi-Fi router. Wi-Fi direct (or a similar setup with the printer acting as a server) should not be used.

Any information about the exact Wi-Fi router model (please do not post serial numbers or access codes)?

You may want to check all Wi-Fi settings and, again, go through the whole power-cycle procedure.