I have 4 machines xerox workcentre 7845 and i have a same error i have a black line in page and this line appear in the same place for all machines and in the same place every time when i make copy or print

CheckitRight

• 1363 Answers
• Posted on Dec 11, 2007

SOURCE: printing & copying blank pages

There is a problem with your transfer/seperation unit.

open door to the right look at the black assembly on the door it has a black spongy roller, is it in place? does it have a spring action when you push on it?
if yes for both your High Voltage Transformer ( HVT) is bad.

comment

• 78 Answers
• Posted on Nov 21, 2008

SOURCE: Thin black line on Xerox 4011 laser printer

Does the same thing occur with a different document.. Because it is not repetative, it leads me to believe the line is being drawn at the direction of the software. Try printing a test page, and see if the line appears. If not the issue is from within the word processsing software. It almost sounds like a legal template for a pleading..

SOURCE: I have Xerox workcentre pro

That is a software related error, You most likely need to reload the firmware, or replace the hard drive.
You can try disconnecting all the document feed and scanner cables then reseating them. Other than that, your looking at a software issue.

SOURCE: mfc-7420 Black Line horizontal across paper in 3 places

try moving the small blue slider on top of the drum cartridge side to side 10 times.

SOURCE: Xerox WorkCentre 4150, 3 vertical white lines in all feeder scans

the problem is in the scanner, open it up and see if you can find any smudges, and clean any obstruction, any ink, liquid eraser residuals, can cause this part to appear as lines on your copied faxed image.
dont concentrate on the printer this is a scanner problem