Question about Xerox Phaser 8550DX Laser Printer

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Xerox Phaser 8550 drum issue?

I have an issue with my Xerox Phaser 8550 that has been puzzling me lately.

Ibought this printer since it was new and currently have about a 71000pagecount. Since new, I have used NXI inks (Media Sciences or Artisan)and haven't had any issues until recently. It seems the ink is notcoming off the drum as it should. At times this may cause a paper jambecause the paper sticks to the drum, but other times the paper willseparate from the drum leaving leaving a small amount of ink on thedrum and not completely transferring to the paper. When the papershoots into the output tray, you can hear almost a *ripping* noise asit isn't coming off the drum smoothly at all. Perhaps the ink is eithernot getting hot enough or getting too hot.

I have pulled theright side cover off, removed the drum fan, and attempted to clean theencoder. It didn't help the problem and I'm wondering if the drum andencoder need to be entirely replaced.

What is the typicallifespan of a Phaser Drum. I have seen refurbished drums/encoders onebay, but what is involved with refurbishing a drum? Is it only theencoder disc that is replaced with these kits? Where could I purchase abrand new OEM drum/encoder?

Another thing I would like to mention. I was reading up on Xerox'ssupport site and they mentioned in an article, ''Solutions for PrinterMakes a Tearing or Ripping Noise as Paper Exits and Part of the Imagemay be Missing From The Page'', and that the symptoms ''ripping noiseduring printing can be traced to poor oiling of the printer's imagingdrum during the print process. If the maintenance kit is near the endof its life, replace it.''

The thing is, I just replaced themaintenance kit about 500 pages ago with an Xerox OEM extended lifemaintenance kit. The maintenance kit was the first thing I replacedwhen it started exhibiting this behavior.

Any ideas? Thanks for your time.

Posted by on

  • euro sport Feb 19, 2009

    I'm really not sure about how the maintenance kit was stored. I honestly didn't think it mattered. Wonder if I should just buy a standard kit for now to rule that out.

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The life of the drum is unlimited, it is just a solid aluminum drum.
The usual suspect when the drum is not cleaning is the maintenance kit. It was not stored on end was it ? If so the lubricant would have run to one end and not clean correctly.
The transfix roller could be failing, although that is not many pages on the printer.
You are using OEM ink and not third party? If so try new ink.
The last thing you could have is a bad wiper blade not cleaning between pages.
Drum heating is very unlikely. If it was not running hot enough, there are enough sensors in the machine that one would shut off if it were not heating properly.

Posted on Feb 19, 2009

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The onlty thing I can find close to this is.
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Troubleshooting Procedure
Step Questions and Actions Yes No
1 1.
Run the appropriate diagnostic test:
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2.
Did the test pass?
Go to Step 3. Go to Step 2.
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Replace in the following order:
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