Hello my name is***** look forward to assisting and am very sorry to hear that you are having this problem.
I want to warn you that it is possible you will need to replace a part in order to fix this.
There are a few different things that can cause this and a couple different parts so we would need to troubleshoot to find out for sure.
Used maintenance to choose deep cleaning
I think I have already replied, There is still a problem, on a simple copy the black writing comes out green and the blues and yellows are faded.