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NEW IMAGECLASS MF273DW connects to network but my devices cannot see it

ctucker33
Contributor

I have a new MF273DW printer that can successfully connect to my network, but my devices cannot see/find it to print.  I am running windows11 (but even my iPhone gets a connection error when trying to send a print message to it) and here is what I have tried so far:

  • confirmed printer is successfully connected to same network as the devices
  • tried autodetecting printer from computer
  • manually by IP address
  • installed updated drivers
  • restored factory settings on printer

I am at a loss as to how to get this printer connected to a device.  All devices are using the same network that the printer is connected to.  This should not be this difficult.

Note, it will work (obviously) if I have a wired connection to it, but will not if I try and use the wireless setting.

29 REPLIES 29

You're on a Unifi Guest network. The host likely has device isolation turned on, which means your devices can't see each other. (I have one of these systems at home - they're very advanced)
https://help.ui.com/hc/en-us/articles/115000166827-UniFi-Hotspot-Portal-and-Guest-WiFi 

Stephen (Moderator) posted a comment. Apparently, the OP is logged in to a guest network which could impact discovering.

dexman335_0-1717601172660.jpeg

 

 

You're on a Unifi Guest network. The host likely has device isolation turned on, which means your devices can't see each other. (I have one of these systems at home - they're very advanced)
https://help.ui.com/hc/en-us/articles/115000166827-UniFi-Hotspot-Portal-and-Guest-WiFi 

I got that info from his post, by the way - at the bottom of the information was this:

Stephen_0-1717601365044.png

Unifi.localdomain indicates it's on a Unifi network. Because I use one at home, I know how the Unifi Guest networks act, and he's describing exactly what happens when you're logged into a Unifi Guest network with device isolation turned on.

I'm sorry if I didn't clarify that I wasn't using psychic powers or other data mining! 🙃

Fortunately you caught that. I use my ISP's hardware. It does have an IoT network as well as a guest network, but I have both of them disabled due to neither of them being needed. 🙂

shadowsports
Legend
Legend

Excellent point Stephen, and I definitely considered it.  He mentioned he was able to ping other devices, just not his printer.  ☹️.  

I'm going to read up and see what ubiquiti is doing with guest isolation these days.  In theory,  he shouldn't be able to ping anything on the local LAN except the gateway with this enabled, but I don't know how it's implemented or if it applies here.  Certainly a welcome idea and the more eyes on this, the better. 🙂

Hope you are well and ready for ️ summer.  

 

~Rick
Bay Area - CA


~R5 C (1.0.9.1) ~RF Trinity, ~RF 100 Macro, ~RF 100~400, ~RF 100~500, ~RF 200-800 +RF 1.4x TC, BG-R10, 430EX III-RT ~DxO PhotoLab Elite ~DaVinci Resolve Studio ~ImageClass MF644Cdw/MF656Cdw ~Pixel 8 ~CarePaks Are Worth It

If the OP is logged into the UniFi system, they want to make sure mDNS is on (so AirPrint can see it), and it looks something like the screengrab below. Again, this is mine, not Canon official, nor is this officially supported by Canon:

Stephen_0-1717603302072.png

 

 

I am well! 

The fact he can't ping the printer makes me wonder if mDNS is active. When I set up my UniFi system, I had mDNS disabled at one point. All of my personal devices are Apple, and none of them would work as they were supposed to. After a lot of research, I discovered mDNS is the backbone of Apple's cloud services. Once I re-enabled it, everything "magically" worked just like St. Jobs intended it to. 😉

I think the switching AirBnBs and providers is causing way more problems and variables than I want.  I may have to pause this effort until we get settled at our final destination where I am the admin and can log into our network.  I really do appreciate all the feedback.  I am 99% sure this problem will still exist so I cannot wait for that.

shadowsports
Legend
Legend

Greetings,

I understand. I did consider the guest network early on, but discounted it because you said you were able to ping other devices, just not the printer.  When network isolation is enabled, it's all or nothing.  

Ping us when you get to your final destination and we can pick this up.  

~Rick
Bay Area - CA


~R5 C (1.0.9.1) ~RF Trinity, ~RF 100 Macro, ~RF 100~400, ~RF 100~500, ~RF 200-800 +RF 1.4x TC, BG-R10, 430EX III-RT ~DxO PhotoLab Elite ~DaVinci Resolve Studio ~ImageClass MF644Cdw/MF656Cdw ~Pixel 8 ~CarePaks Are Worth It

Really appreciate all the help 

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