Note: Happened again. Upgraded the printer firmware and started working.
Using a Chromebook and Cloud Printing and the Canon MG7120 printer claimed it has been offline for over a month even though it has been on, has a good IP address, etc. The solution was to Re-Register the printer with Google Cloud Print and it starts printing.
To Re-Register, do the following steps:
- Full instructions for configuring a Canon MG7120 is here – http://www.usa.canon.com/CUSA/assets/app/pdf/cloud/How_to_Use_GCP_mg7120.pdf
- The short version:
- Click the Setup Option
- Tap – Web service connection setup
- Tap – Google Cloud Print setup
- Tap – Register with Google Cloud Print, you may receive a message that the printer is already registered. If so, say “Yes” to Re-Register.
- Tap Next – To message Select display Language
- Tap – English
- Tap – OK to Perform the authentication process. Communicates to the server and prints an authentication code.
- Go to the URL that is printed, something like goo.gl/printer/XejdR this should give you a Printer Confirmation message something like:
Printer confirmationClick below to finish registration of your printer with Google Cloud Print for account firstname.lastname@example.org.
- Click – Finish printer registration, get a message:
Thanks, you’re ready to start!
Your printer is now registered with Google Cloud Print.
- On the printer – Click Complete registration, Message “Registration with Google Cloud Print completed.
- Click – “Manage your printers” you should see the printer.
- Checking the printer configuration.
- In the Chrome browser, go to Settings.
- At the bottom select “Show advanced settings”
- Now you can see the “Google Cloud Print” options. Select “Manage”
- You should now be able to see the “Canon MG7100 …” printer in “My devices” (Alternately you can go to the Printers Page. Going to Cloud Print gives you a top level view.