When I turn my printer on it says that the type of print head is incorrect and to install a new one. I have never changed my print head and was working fine last week. I took the ink cartridges out and the print head and reinstalled them but the error message is still there. Error U052

its time to change those cartridge

Hi

Please remove the printer head and fix again, my be any louse connection, that's way the error is coming.

u Can Follow this step :
http://support-sg.canon-asia.com/contents/SG/EN/8200986100.html

if that reference can't solved, in other reference i found this statment

http://www.canon.co.uk/Support/Consumer_Products/products/Fax__Multifunctionals/InkJet/PIXMA_MP_series/MP620.aspx?faqtcmuri=tcm:14-610963&page=5&type=faq#Print%20head%20is%20not%20installed.%20Install%20the%20print%20head.%20U051/The%20type%20of%20print%20head%20is%20incorrect.%20Install%20the%20correct%20print%20head.%20U052
" Print head is not installed. Install the print head. U051/The type of print head is incorrect. Install the correct print head. U052 Follow the directions given in your setup sheet to install the Print Head.
If the Print Head is already installed, remove the Print Head once and then reinstall it."

It's mean you should replace a new print head

I Think you must install a new print head cartridge ...

That happens when the printhead goes out, you'll need a new printhead,QY6-0075-000 around $50.00

Yes, you need a new printhead, QY60061-000
around $40.00

Hi I have U051, and U052 coming up, I did what it said to do press ok if that doesn't work turn it off, now it is continuously going to these problems. What do I do.

Got the error U052.....with incorrect print head. Has been printing just before. How do I remove the printhead and place it back in. My printer is Canon MP610