Hello, and thank you for choosing JA for your support needs. Happy to assist you today with this issue.
Yes, you can buy the Printhead. Please see the links below:
It can also be found on Ebay and Amazon. You may also call Canon @ 1-***-***-**** from Mon to Friday 8am - 10pm ET.
Let me know if any more assistance is needed.
Your answer Sir or Madam is above. With the needed information to call Canon if you desire and where to order it from online.