Hi all. I have this issue with a canon lbp 5000. It moves black exactly 1cm down and does a "shadow" effect when printing photos. I changed the drum,chip and the charging roller of the black toner, cleaned the LSU and the color registration sensors. In the printer status windows, it says " black - check cartridge". I attached the service print charts. I really need your help on this one. img006.jpgimg005.jpg
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