Strange black parts on print

[TammyL-Xerox]

Hello numzie, 

Here is the information that I found for Denmark, 

Denmark

Xerox Industriparken 21A 2750 Ballerup Danmark

Sales: 88 17 88 17

Support: 7010 7288 Mandag - Torsdag, 8:00 - 16:30 CET, Fredag, 8:00 - 15:30 CET FAX: (+45) 88 17 88 88

Find en lokal forhandler

[numzie]

That didn't help :(

It still ghosts when I'm doing duplex - or when the printer drags in the paper for a second run.

I'm located in Denmark so your support number is probably not the best option here :)

[TammyL-Xerox]

Hello numzie, 

Please take a look at this article for ghosting and residual image. If you are still having issues after trying these steps, I suggest that you call into our support department for assistance @ 1-800-821-2797.

[numzie]

I have a B230 which is less than 6 months old.

On some of my prints there seem to be some old toner stuff from the previous print - or something else - that is printed on the paper.

It does not look very good and I use it for instructions for my customers.

It actually looks like a copy made in a bad copy machine...

Do you have any idea how to get rid of it?

I have tried to illustrate it here: