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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.
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.
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.
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www.support.xerox.com/support/phaser-8500-8550/.../enus.html XeroxProduct support for Phaser 8500/8550. ... Phaser 8500/8550 Support & Drivers. Customer Technical Support. Fast Track to the Expert > 1-800-835-6100 U.S. & ...
Hi there
The onlty thing I can find close to this is.
Acording to the manual its a ink loader error like your loading the wrong type of ink like the puzzles pieces arent matching and hitting the sensor flags right. Yours by the 8 is referring to the black ink. Anyway go to troubleshooting on the control panel. then to service tools. when in service tools press and hold the up arrow while still pressing the up arrow press the down arrow. the display should say hidden menus. go to diagnostic mode press enter go to funtion menu. then go to clear ISC fault and enter. ISC=ink stick count fault. I hope that helps. Just to let you know Ive had nothing but problems with third party ink and once its in the system its hard to get out so I would watch what im doing with my expensive equipment
Is the Drum unit clean?
Often the Drum Maintenance kit can get dirty, and not clean the Drum properly, which can lead to jams.
Also, the drive cam for the Drum Maintenance kit can fail. This means not enough cleaning pressure is applied to the Drum unit, and it can't clean it properly, causing jams.
If you are using third party ink sticks contact the manufacture and they will, if you use enough of thier product, send you a new print head and send out a tech to change it. Media Science is the most likely source of third party ink.
You can also switch to Xerox ink sticks and the colors will be correct after several purges to get rid of the old ink.
Hi outonalimbwi:
Here is your problem.
37,006.42: PEST - Drum disconnect. The drum heater is not drawing the expected power from the supply.
Troubleshooting Procedure
Step Questions and Actions Yes No
1 1. Run the appropriate diagnostic test:
37,002.47 = Left Jetstack Heater
37,003.48 = Right Jetstack Heater
37,004.40, 37,005.41 = Reservoir Heaters
37,006.42 = Drum Heater
37,008.44 = Preheat Heater
37,009.45 = (8500/8550) All ink melters
= (8400) Ink Melt 1
37,010.46 = (8500/8550) Ink Melt 1
= (8400) Ink Melt 2
37,011.47 = (8500/8550)Ink Melt 2
= (8400) Ink Melt 3
37,012.48 = (8500/8550)Ink Melt 3
= (8400) Ink Melt 4
37,013.48 = (8500/8550)Ink Melt 4
2. Did the test pass?
Go to Step 3. Go to Step 2.
2 1. Check the wiring running from the component to the printhead.
2. Is the wiring damaged or not working properly?
Replace the wiring harness.
Replace in the following order:
■ Drum assembly
■ Preheater
■ Printhead
■ Ink loader
If you remove the right side cover, you can operate the process drive gearbox with a straight-blade screwdriver on the end of the shaft (bottom of printer right in front of maintenance kit). This is the end of the drum maintenance camshaft. Rotate clockwise slowly. It's possible that the cams have cracked and rotated on the shaft. This is the weak point on these printers. If so, they may not be in sync. Good luck.
If you go to the Xerox.com site and click support and drivers. enter phaser 8550 and there is a printhead update you need to get, You have to fill out a form.
That may be your problem since there is no fault code.
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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