It looks like the Cyan Unit is not set correctly, so you need to open the front door, in the area behind the front door up you will see the toner bottles under the bottles it has a cream-white plate, you will see in the middle of the plate one handle - leveler which is blocked with a plastic piece, which have a ***** in the middle remove the ***** than remove the plastic piece, after that pull the handle - leveler up to be set from horizontal position into 45 degrees angle upwards. After that in the upper right corner of the plate you will see another handle- leveler. This one you need to set from horizontal position into vertical position upwards. After you move the both leveler, you will need to pull the hole cream-white plate toward you. Inside you will see 4 boxes (PCU's) with green levelers. Put inside firmly the cyan box (PCU) under the Cyan box, below the box writes on a sticker Cyan.. After you do this close back the creame-white plate, put the both levelers into horizontal position and close the the front door. If the problem persist than is not just a small fix...That is for now, if the problem continues please ask more guestions. Good Luck. :)