Our Xerox 8400 has a problem where you can see things on printouts that have been printed previously, typically large blocks of dark colour such as big text headings, dark lines and blocks of colour. This appears kind of like "echoes" - quite faint, but noticeable nonetheless. Some kind of maintenance needed?
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Re: Ink gets carried over to subsequent sheets
More than likely your maintenance kit roller has been impacted with ink and is not applying enough lubricant to the drum. You can replace the maintenance kit and run cleaning procedures a couple of times to allow it to clean up.
Now the other issue is if you are using a third party ink stick. By that I mean non xerox brand ink sticks. I have seen those cause that problem more often than not.
Pull out the maintenance kit and see if the large roller, which should be a off white, is black.
Exacly what is happening is your maintenance kit puts a very thin film of silicon oil on the drum so that the ink does not adhere to the drum more than normal. When that roller becomes blackened, it isn't very effective and you get some of that residual imaging.
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If you have tried running the "eliminate light stripes" process in the troubleshoot print quality without success, you may want to look at the print quality sheet and do "jet substitution" on the ink nozzle numbers that aren't printing out. That will slightly slow down the printing, but will eliminate white streaks down your prints.
There is probably a tiny sheet of paper stuck inside the printer somewhere which is causing the jam. You basically have to find out where the previous jam was and check the rollers to see if they are clear.
If it is cuz the cleaning sheet is too stiff, then you may need to feed it from the manual feed tray.
The error is normally caused by the print head wiper being stuck to the print head or the print head pivot block being contaminated with spill over ink.
To clean the block you remove the left side cover. There is a stainless steel block about 1 inch by 1 inch about midway back on the lower frame. It would most likely have a lot of yellow ink in it.
If the wiper blade is tacked to the print head, you would remove the right and left cover. then remove the ink loader. ( where you place the ink sticks.). Once you remove the ink loader you are in the print head drum area and would gently detack the blade from the print head, then run the eliminate light stripes in the troubleshooting menu.
The only way to get color matching with the solid ink line 8400, 8500, 8550, 8560, 8860. Is to build you own colors with the CMYK sampler printout.
Beware this will print over 50 pages of swatchs showing the mix of CMYK for various colors. Your can then look at the color you want and see how it's made up i.e. 30% 30% 40% yellow gives a orangish color. You can then build these colors and name them in your application.
You will NOT get Panotone color matching with the solid ink series.
That is a print head tilt error. Either the print head pivot block is contaminated with ink or the wiper blade is tacked to the print head.
Let me know if you want to try to resolve it yourself, I will send you directions.
If you moved it when it was warm, most likely you have spilled ink into the print head.
If it was shut down for more than an hour before moving it. There is a Tek Color correction you and run. You may have to go to the Xerox.com website and download it and run it. I would also suggest updating the print driver.
But my guess is moving it damaged the print head and it will most likely need to be replaced.
Also if you go into the print driver properties, you can adjust each color intensity and saturation, you may be able to correct it in that way.
But from experience, I really suspect a faulty print head.