Hi Backman1
Thank you for using the Xerox forum.
I would suggest that you review the following 6204 Support site for solutions on most issues.
The defect you show indicates something is wrong with BTR, BCR, or mag roll.
Sometimes and definitely in this case, troubleshooting using a service manual would be best.
you should consider contacting our specific product support experts at the following link:Fast Track to the Expert
I have a Xerox 6204 Wide Format and when i print a set of drawing the first page will come out fine but after the first page the following pages will have dark areas. Looking at the paper it appears to be coming off of a roller because it has a continous pattern. The more you print the darker it gets. I have checked the drum and it is clean. Any ideas on a soluting to this would be great.