It might not be the toners, it could be the drums.
Start with doing a print calibration to see if this helps.
I have done the print calibration and it does not help.
Hi,
Have you replace the drum?
Gabi
Have you replaced the Drums ?
Here is a link just in case you need it
https://www.office.xerox.com/product-resources/108R00774/enus.html
Yes
Yes, you can swap them to see if your issue is moving to yellow.