This is a Canon Pixma TR4520 and TR4522 printer main board. 
Genuine Canon Part. 
It has been tested fully to make sure it is functioning 100%. 
Part numbers are: 
QM7-5572 (5570)
QM4-6036

QK2-2722

Please feel free to ask me questions. 
Item will be carefully packed and shipped. 

We ship fast using USPS Mail Service to all States and US territories. 

We strive to deliver the best product for the price and the best customer service. 
Please give us that chance by contacting us if you have any questions with your order. 

We will try to do our best and make you a happy buyer in eBay community. Thank you for looking! 

(G3894)