MG6450 Black prints poorly

[sorbit_4]

My printer signed B200 error. Then I took  out the printhead and cleaned it. The B200 error has gone, and then I experinced that the colors prints good but there is a problem with the black. Every help is thanked. Below the test image.

Testimage

[James_C]

Hi Sorbit_4,

Welcome to The Canon Forum!

We appreciate your participation, though we need to let you know that your product MF6450 appears to be a model not supported by our team here at Canon USA. While the community is welcome to chime in, the Canon Community Forum is hosted and moderated within the United States by Canon USA. We can only support Canon products manufactured for and used within the US market.

If you live outside the United States, please click HERE and select your country to find support in your part of the world.

[sorbit_4]

Thank you for the answer. I am living in Hugary. So I will cantact with Canon Hungary.