imagePROGRAF iPF6400S error 2f42 while cleaning nozzles

[Mak-samier]

 I installed a new print head from two months 

my printer make clean and nozzles 4 times and  cant do clean good and show error 2f42

any one can help me to solve this problem 

[mofire]

First, where did you buy the printhead? Second, if it's a new printhead and a genuine Canon printhead, call Canon support as it should be under warranty and they can assist in helping with the issue.