PIXMA TR4720 changed cartridge and won't print

[NimaGRM]

I have a TR4720.  I replaced the cartridge and now get "Please wait momentarily".  Never stops waiting.  At suggestion of service person at Staples, I removed the cartridge and checked for small debris.  Reinstalled. Still not working.  Then I gave it a jiggle to make sure connected. Still not working.  Waited a day.  Tried again.  All I get is the "Please wait momentarily" message.

cartridge= Canon PG-275 Fine

[Patrick]

Hi NimaGRM,

Please contact one of Canon's Technical Support Representatives via phone or chat. To contact a Technical Support Representative, please use the link below to log into your My Canon account:

https://mycanon.usa.canon.com

Once logged in, click on your PIXMA TR4720 and then click on the Product Support button. When that page loads, click on either the Phone Support button or the Chat Support button to access support. A Technical Support Representative can determine the cause of the issue and resolve it or provide you with your available service options.

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