Question about Xerox Phaser 7400DN Laser Printer

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XEROX 7400 YELLOW LED failure message! have replaced, and had to reset a few times now. This time will not reset. Any Ideas what this could be beside the replacement of yellow LED again

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 2072 Answers

SOURCE: Xerox phaser 7400

There really isnt an easy way to do that.
The transfer belt assembly starts off with a fuse on it to blow immediatly on install, and a counter that is internal so that it will end of life and have to be replaced. It's really not a convience counter but an obsolence counter.

Posted on Mar 06, 2008

  • 2072 Answers

SOURCE: Xerox 8650 ink

Has the ink advanced conpletely down the ink loader? At the very bottom of the assembly ( the ink loader is what its calles) where you have inserted the sticks, there is a small switch that the ink has to contact. The ink stick,(s) may be in some way twisted or hanging up just enough to not actuate the switch, If you go to Xerox.com click support and drivers then type in your model number then to support again , type in out of yellow ink,, and it will tell you how to check the switch with a pencil, eraser side.
OR what you can try it take a screw, a drywall screw works the best, and twist it into your yellow sticks, and slide them back and out one at a time until you remove them all, then insert them one at a time. making sure you are not using the same yellow stick that was at the bottom to begin with. It is also possible the borrom of the ink stick isnt formed properly and not hitting the switch. Also be 100 percent certain that the ink sticks are for the 8650 and not another phaser product. There is an 8500 and 8550 where the sticks look similar, but are not quite the same shape and will not tell the machine the ink is loaded.
There is an outside chance the ink loader tray is defective, since that is where the switches are, but I have never seen that problem occur. Have you had the machine less than one year?? If so you have a 1 year on site repair warranty and you can call 1-800-835-6100 , give them your serial number and they will send someone out to resolve it for free.

Posted on Oct 10, 2008

faxman789
  • 297 Answers

SOURCE: Xerox 7400 toner superposition problems

When the colors do not align properly you need to clean the LED printheads. Full instructions on how to do this are located at:

http://www.support.xerox.com/SRVS/CGI-BIN/WEBCGI.EXE/,/?St=110,E=0000000001181486662,K=5398,Sxi=19,Case=obj(1219)

Posted on Jan 17, 2009

  • 1 Answer

SOURCE: 7 yellow flashes not printing

I replaced a yellow cartridge with a new one - it is the correct one - and now I get an error message each time I attempt to print. Help.

Posted on May 10, 2009

APremkumar
  • 564 Answers

SOURCE: alignment failure

open the access door at the top of the printer

Remove the ink cartridges

Put your finger in the upper left corner of the printhead ( inside)

you will feel a small latch rigth there push it upward

the printhead will loose and you may now remove the printhead

Thanks, PREM

Posted on May 24, 2009

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Xerox phaser 7400 replaced yellow toner, but still getting replace toner error. I've reseated it twice, reseated the imagining unit and tried turning it off.


You can try do a NVRAM reset. If after that you still have the error message then I would tell you to contact the Xerox team as you might have a wrong consumable (defected/wrong CRUM) information.
NVRAM reset: http://www.support.xerox.com/SRVS/CGI-BIN/WEBCGI.EXE?St=36,E=0000000002092637520,K=9394,Sxi=5,Case=obj(3085)

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Xerox 7400 toner superposition problems


When the colors do not align properly you need to clean the LED printheads. Full instructions on how to do this are located at:

http://www.support.xerox.com/SRVS/CGI-BIN/WEBCGI.EXE/,/?St=110,E=0000000001181486662,K=5398,Sxi=19,Case=obj(1219)

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There really isnt an easy way to do that.
The transfer belt assembly starts off with a fuse on it to blow immediatly on install, and a counter that is internal so that it will end of life and have to be replaced. It's really not a convience counter but an obsolence counter.

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Phaser 7400


The closest I can find to your description is a U6-0 and the suggestion is to replace the transfer belt assembly,

Feb 11, 2008 | Xerox Phaser 7400/DXF Laser Printer

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