PIXMA TR8620 won't scan

[APMarousi]

Greetings all, I have a Pixmia TR8620, I can print via wifi no problem however this morning I went to open the scanner and I got a message : Failed to open connection to the device (-21345). anybody know what that means?

TIA 

[joconnor19]

I am having the same issue with the same Canon but haven't found a resolution yet. Very frustrating!

[Stephen]

Hello!
So that the Community can help you better, we will need to know more information:
• What app(s) are you printing from?
• Which version of Windows or macOS are you using?
• How do you connect to your printer (USB or WiFi)?

Any other details you'd like to give will only help the Community better understand your issue.

If you're in the United States, and this is an urgent support need, please click HERE to visit your My Canon Account to discover your personalized support options.

If you're outside the USA, please click HERE to find support options in your country.

Thanks, and have a great day!

[APMarousi]

Greetings;

I don't have a printing problem, scanner won't open with an error code (-21345) I'm running a 21.5" iMac with OS Catlina  10.15.7. When I choose "OPEN SCANNER" from settings that is the message I get "Failed to open a connection to the device (-21345)" I connect via wiFi. I just put a new set of inks and she printed perfectly. Wont open scanner. =(

[joconnor19]

I connect via WIFI and the connection is in place. I use MacOS Monterey 12.7.4. Printing from various websites and email attachments (eg. pdf) - printing is working. Scanning is not. 

[shadowsports]

Greetings,

Not sure if the thread's starter ever solved his issue.  They never replied.

Both of you can try disabling IPv6 per the attached KB article.

https://support.usa.canon.com/kb/index?page=content&id=ART176065

Let us know if this helps.

[APMarousi]

IT WORKED!!!!  So far so good. I disabled he IPV6 and the scanner opened right away. So far so good. 

[joconnor19]

Thanks! The scanner did open and seemed to work. However, I have another question. Is it possible to send the scan to my email? It seems to only have a choice of Local USB.  Thank you!

[shadowsports]

Glad I could help.  Thanks for the reply and feedback.

[shadowsports]

@joconnor19,

I haven't looked recently, but seem to recall scan to email being and an option.  How is the printer connected and to what device?