Printing problem workcentre 7765

[fiery]

Yellow background. Yellow drum.

[Joe Arseneau]

Asked our resident Xerox tech and he says he would replace the yellow drum.

To verify if he is right, swap the yellow drum with the one in C or M and if the issue follows it, the drum is the problem.

[plvlmstt]

P.S.

When i wait about 1 hour first copies are good again and it will go worse and worse while copying more.

[plvlmstt]

Hello guys!

I have problem with my printer.

First few copies is perfect as you can see in images.

Front:

Back:

Then quality goes worse and worse.

Finally after 50-100 copies quality is like this:

Front:

Back:

There is lightly yellow allover.

What can i do?

Please help me.