Unable to verify the printer on your network - Canon Printer with iMac

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Level 1

8 points

Unable to verify the printer on your network - Canon Printer with iMac

I have a Canon PIXMA MG8220 printer connected to my network. My 2019 iMac (running Big Sur 11.7.10) has suddenly stopped recognizing it and won't print. I have successfully printed to this printer over the network from three different MacBooks running several different OSes. I uninstalled the printer from my iMac and am now trying to re-add it. The printer shows up correctly in the Add Printer window (and it disappeared and then reappeared when I turned the printer on and off), so the computer can at least somewhat see the printer. However, when I click 'Add', it just sits for a while and then I get the message "Unable to verify the printer on your network." I have tried using both AirPrint and MG8200 series drivers, with the same result. I also went to the network tab and added the IP address by hand, but I keep getting the same message. I even tried all the possible Protocol options there (per this link: https://discussions.apple.com/thread/6573512), with no luck. I can't figure out why all my other machines work fine, while this one can see the printer but won't connect.

I would appreciate any suggestions. Thank you.

iMac 21.5″, macOS 10.14

Posted on Jan 21, 2024 1:02 PM

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Answer 1

Top-ranking reply

steve626

Level 6

14,085 points

Jan 21, 2024 8:25 PM in response to Sqary

Sqary wrote:

I'm not running a VPN. What would a complete reset of the printing system comprise? By the way, I just upgraded to Sonoma 14.2.1. It didn't help.

Fro Apple MacOS User Guide (accessed through the Help Menu on your Mac):

Reset the printing system on your Mac to solve a problem

If you’ve tried all possible solutions and you still can’t print to your printer, reset the printing system. This process deletes all printers from your list of printers, deletes information about all completed print jobs, and deletes all printer presets.

Important: First, try other troubleshooting techniques in Solve printing problems.

On your Mac, choose Apple menu > System Settings, then click Printers & Scanners in the sidebar. (You may need to scroll down.)
Open Printers & Scanners settings for me
Control-click the printer in the Printers list on the right, then choose Reset Printing System.
Note: If no printers appear in the Printers list, you can Control-click the empty list and choose Reset Printing System.
After you reset the printing system, the list of printers in Printers & Scanners settings is empty.
Add any printers again.

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Answer 2

steve626

Level 6

14,085 points

Jan 21, 2024 1:10 PM in response to Sqary

Running a VPN can cause symptoms like this and interfere with access to other devices on the local network.

If that does not apply to you, try a complete reset of the printing system.

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Answer 3

Old Toad

Level 10

215,864 points

Jan 21, 2024 3:28 PM in response to Sqary

Download and run Etrecheck. Be sure to give it Full Disk access before running.

Copy and paste the results into your reply. Etrecheck is a diagnostic tool that was developed by one of the most respected users here in the ASC and recommended by Apple Support to provide a snapshot of the system and help identify the more obvious culprits that can adversely affect a Mac's performance.

Copy the report

and use the Additional Text button to paste the report in your reply.

Then we can evaluate the report to see if we can determine the cause of the problem.

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Answer 4

Sqary Author

Level 1

8 points

Jan 22, 2024 8:39 AM in response to steve626

Thanks. Still no luck--exactly the same thing happens. I've hooked up a USB cable and that works fine. I seem to recall that in the past the USB has interfered with wireless printing, but maybe not anymore. With my kids off at college, we do very little wireless printing anyway; most of the printing now comes from the wired computer.

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Answer 5

Old Toad

Level 10

215,864 points

Jan 22, 2024 9:17 AM in response to Sqary

I see no usual suspects in the report. It appears relatively clean.

On another note, you have the slowest hard drive Apple offers, 5400 rpm, in your Fusion drive. The Read & Write speeds show that:

Write speed: 47 MB/s

Read speed: 49 MB/s

You can improve on this by at least 10x by getting an external SSD, coning your boot drive to it with Carbon Copy Cloner and booting and running from the external SSD. I get the following speeds with a bare SSD and a SATA to USB adaptor (which is slower than an SSD it it's own case with chip):

Back to the printer issue: you might try resetting the printing system again as you already have once.

If you decide to go the external SSD route I would recommend you contact OWC (Customer Support) and see which of their several units the recommend based on your Mac model, workflow and budget requirements. They are considered the premier 3rd party hardware provider for Macs.

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Answer 6

Sqary Author

Level 1

8 points

Jan 25, 2024 5:16 PM in response to Old Toad

Thanks for the advice. The printer is working fine over USB, so I think I'm just going to stick with that. As for the other, right now this computer isn't being used for any tasks where disk speed really matters (mostly internet surfing and email). However, I may want to do some video editing at some point, and there the disk speed will be a big issue. I've saved your comments so I can follow your advice when the time comes.

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