pro10s

Hi everyone, I recently was given a used Canon PIXMA PRO-10S and have been trying to restore it. I have experience repairing electronics and network equipment, so I’ve approached this methodically, but now I’ve hit a wall and would really appreciate expert guidance. Background The printer is...

I apologize for my poor English! Do someone know how to fix the problem of lines which appear on prints? They appear every 6cm horizontally. I have already cleaned the print head several times ( and the print head works well with my another printer.)