Question about Xerox Phaser 8400 Laser Printer

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Light stripes on Xerox Phaser 8400 won't go away

I have a Xerox Phaser 8400 and for some time now itis printing with light stripes instead of the full colour. I have run the cleaning programme dozens of times and tried switching it off for several hours but they still won't go away. Any ideas on how to fix this?

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I have light vertical stripes on a dark picture and dark stripes on lighter colored pirctures. I have cleaned the head about 15 times and it is worse now than before. I am wasting ink and getting nowhere....


Have you checked the maintenance kit? Is the white roller badly contaminated? The mylar blade dirty?
If that is ok, then you may have a bad print head.

Mar 10, 2010 | Xerox Phaser 8400 Laser Printer

1 Answer

I have a Xerox Phaser 8400 with image problems. After power up it prints a Startup Page - That page is black text which faded and slightly distorted in some areas and in areas that are in Color only...


What you are describing is a bad print head. You can try running the eliminate light stripes several times, and jet substitution, but most likely the print head will have to be replaced to remedy your problem.
You can try googling. Phaser printer print heads or phaser printheads.
There seems to be a secondary market appearing for those print heads. I can tell you from Xerox, if you have no maintenance agreement, they cost $750 per print head.
Honestly, having worked on about every type of color printer known to man, the new solid ink phaser printers, produce a dry ink image of 2400 x 2400 dpi with ink particles that align end to end. The resolution of those printers are remarkable and can be purchased for less than the price of one of those new print heads.
Now for reliable, albeit somewhat not as sharp a color image, but still exceptional, you really can not beat an HP.
The ink stick technology really no longer has the color vividness advantage it initially had. The inks that align end to end, have ended that advantage and are sure a lot cheaper to operate per page.

Feb 27, 2009 | Xerox Phaser 8400 Laser Printer

1 Answer

Clean an 8400


Replace the maintenace kit and then in the menus run eliminate light stripes and eliminate smears.
There really isnt much else to do.
What you do when you run the light stripes and smears modes the machine removes all the ink from the print head, turns on a compressor and blows out the jets on the print head.
There really isn't a "cleaning " procedure as with a laser printer. If the maintenance kit is good, it pretty much maintanes itself.

Jan 06, 2009 | Xerox Phaser 8400 Laser Printer

1 Answer

Pinstripes in image after print (phaser 8560)


Appropriate cleaning procedures, as listed in the following tables, should be
performed when specific print-quality or paper transport problems occur.
All cleaning procedures are detailed in the printer’s Phaser 8400 Reference Guide or
the Phaser 8500/8550 User’s Guide.
Light Stripes or Missing Colors
Problem type Solution
Missing or light-colored
stripes on prints.
Select the automated procedure Eliminate Light Stripes from
the Control Panel.
Ink Smears, Oil Spots, or Random Ink Streaks
Problem type Solution
Ink smears on the front,
back, or edges of a page.
Select the automated procedure Remove Print Smears from
the Control Panel.
Check the maintenance kit for ink and paper-dust build-up on
the wiper blade.
Oil (drum fluid) on top edge
of print.
Select the automated procedure Remove Print Smears from
the Control Panel.

Hope this helps
pdouglasss

Nov 24, 2008 | Xerox Phaser 8560DN Laser Printer

1 Answer

Xerox 8400 light printing


No, If one lamp goes out they both will not function. They do not have anything to do with print quality.
You may have a bad maintenance kit. but more than likely you have a bad print head.
Run the cleaning , eliminate stripes and eliminate smears modes. But more than likely the print head is bad. I would say a bad print head is about a 95 percent chance of causing your problem.
The halogen lamps only heat the drum, and if one was bad the machine would fault out with a 15,004 code.

Oct 11, 2008 | Xerox Phaser 8400 Laser Printer

1 Answer

I have a phaser 8400 banding problem. Actually reverse banding. It is ligher ink vertically along left margin and an inch from right margin. Is this a drum problem? It notes I am low on ink and have only...


nope its not a drum problem, That drum never goes bad. You are having a problem with some blocked jets in the print head.
You can scroll through your menu to troubleshooting and there are cleaning modes to eliminate light stripes and to eliminate smears.
Run the eliminate light stripes maybe 2 or 3 times. If that doesn't work, then try the jet substitution mode.
That is better described at Xerox.com, click support, then enter phaser 8400 in the search box, click support again and then enter
"jet" in that search and follow the directions.
If those do not work then your print head is most likely bad. Thats more likely if you have used non xerox ink sticks.Being low on ink should only give you a message that its low.

Aug 25, 2008 | Xerox Phaser 8400 Laser Printer

1 Answer

Xerox Phaser 8400N Printing Stripes


When you go into the eliminate light stripes there is also a mode called Jet Substitution. You can sometimes bypass the bad jets.
If that does not work then the print head will most likely need to be replaced.
You can replace the printer for less than the cost of a print head normally..

Jul 08, 2008 | Xerox Phaser 8400 Laser Printer

1 Answer

Xerox Phaser 8400 light stripes


Your print head is in ned of replacement.
If you have done all you have, not much more that can be done.
You can try running that eliminate stripes a few times, and also in that area try the Jet Substitution, and see if you can open new jets to bypass the blocked ones.
after that, your print head would need to be replaced.
Wish I had a better and cheaper answer.

Jul 08, 2008 | Xerox Phaser 8400 Laser Printer

1 Answer

Xerox Phaser 8400 Streaking


You can go into the trouble shooting menu and do the "eliminate Light stripes" procedure a few times.
Then you can do Jet substitution from the same menu.
If that does not work then most likely you need a new print head.
If you have used non xerox ink sticks that is your most likely cause of the problem. cheaper is not always better

May 28, 2008 | Xerox Phaser 8400 Laser Printer

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