Blue Tint On Paper - Ricoh Aficio MP C7500

Hello!

Every time we print in color there is either a thick blue streak vertically down the paper, or a blue streak running across the top of the paper, or the entire white piece of paper comes out with a blue tint...or a combination of all three issues appear!

We purchased this machine at auction. It has been printing and copying wonderfully since we purchased it 1-1/2 years ago. Does anyone have an idea / suggestion on what the problem might be?

Thank you so very much for taking the time to read this post!
Coco

 

call for a service i think cyan opc should be change together with Lub Bar at charger....

 

Problem with my Ricoh MP7500