When your Canon printer ceases to respond, you need to use the printer troubleshooter:
 On your keyboard, press the Windows key and R together.
 Now in the window box, type in ‘Microsoft troubleshooting’ and after you are done hit the ‘enter’ key.
 On the troubleshooting page, search for ‘printer’ and click on ‘run the troubleshooter’.
 Wait for the diagnostics and proceed by following the necessary instructions.
If this fails to resolve the issue you can get in touch with Canon printer customer support number to receive help from certified professionals.
For more details visit at:
http://www.printerhealthandcare.com/support-for-canon-printer/