Question about Xerox Phaser 6250DP Laser Printer

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Phaser Imaging Unit install error

Today my Xerox Phaser 6250 had a message stating that it needed a new Imaging Unit, so I installed one. After I completed the installation an error message appeared reading "reseat or install new imaging unit". I tried reseating the imaging unit several times, I cleaned the area around where the unit sits, I turned the printer on and off several times, I then reinstalled the old imaging unit to see if that would make the error message go away, it didn't :( When I spoke to customer service at xerox they said my "v clips" had popped out? I'm not sure where these are and I do not want to pay a technician $100s for 5 seconds of work. If anyone knows how I can go about fixing this please let me know :) Thank you for your time and consideration.

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Worked like a charm! Thank you for the detailed information. The step by step instructions were right on target.

Posted on May 20, 2008

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It worked like a charm with the following exceptions:
1. Left cover Removal: required a phillips screw driver to remove 4 screwss
2. and a little forceful-cave-man approach to undoing the plastic hooks and forcing the left cover out of its location (primarily the top cover gave me the most trouble, followed by protruding wedge on the fron cover
3. The solution's STEP: "If you follow solution and if you marks the round gear with the horizontal gear on their touching point in the first place you would see it should be off by one or two gears."

Posted on Sep 25, 2008


Followed your procedure and it Worked great!

I admit I was a little confused by your instructions until I actually opened up the left cover and saw the vertical/horizontal/round gears for myself. After opening it, I could see the problem and it all made perfect sense!


Posted on Sep 18, 2008

I had this exact problem with two of the 6250s at the office. After reseating the imaging unit, try turning the printer off and unplugging it for 10 minutes or so. Plug it back in and turn it on. It very well may function properly when restarted. This DID WORK for both of my units.

Posted on Oct 25, 2007

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Electronics counts end replace new new imaging unit

Posted on Oct 20, 2007

Phaser 6200/6250 Imaging unit reseat (not being recognize) This seems to be a common problem after paper got jam or imaging unit was removed. There is chance that gears was shifted and not pushing the color toner couplers (with sensor) far enough to reach the imaging unit. The solution is to realign the rack V gears. Xerox pn# 116-1630-00 Kit,Rack V (gear,racks) diagram list at; (facing the printer at your left hand side with top and left side open) It compose of one vertical gear rack driving behind the round gear and moving the horizontal gear rack then pushing the toner couplers into the imaging unit. I found this solution from My alignment procedure is as following; Have the imaging unit, toners removed, top and left side cover opened. Close the imaging cover or lock so that the VERTICAL rack is push down. Open the retaining clips at the center of the round gear and start loosen it by pulling it out slowly. Keep pushing the Horizontal gear rack to the front while disengaging the round gear. It will loose touch with the vertical gear rack then the horizontal rack and the vertical rack will drop further. Now the round gear is off and vertical rack is dropped. While keep pushing the horizontal rack to the front and keep the vertical rack up (not dropped) ease the round gear back. The hard part is not to gear on the horizontal rack, it is the vertical rack which is hidden by the round gear. If you follow solution and if you marks the round gear with the horizontal gear on their touching point in the first place you would see it should be off by one or two gears. The goal is to have the horizontal rack being pushed to the front at much as possible while the imaging unit cover is close. You should manually test the correct position by pushing the horizontal rack to the front, it will move said one eighth of an inch and at the same time the vertical rack should drop to the bottom limit. When you release the horizontal rack the vertical rack should touch the top cover metal bar again. Good luck and keep helping each others.

Posted on Sep 11, 2007

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Posted on Jan 02, 2017

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I just replaced the Belt Cleaner Assembly in our Xerox Phaser 7800 as it was stating it was at 0% and PAST end of life. Now I have installed a new one, the same message is still up! Help!

It may be another part that is past end of life, The imaging unit may also need replaced, once a new part is installed the printer should pick-up on the new part (Except belts) and reset itself. Often this line of printer fails to reset after a new part is installed. Xerox offers little to now support on this error, except sending in for repairs. However many people have said turning the unit off, unplugging it, sometimes fixes this issue.
Others have stated the problem "Fixes itself" after a while.
In my experience, removing the cartridges or imaging units and reseating them can sometimes cause the device to reset but not always.

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Code 83: Engine NVRAM is corrupted or receiving wrong data from a CRUM.

1 Cycle power to the printer. Does the error still appear? If so, go to step 2.

2 Remove and reinstall the Imaging Unit and Fuser Assembly. Does the error recur
after the power has been turned off and then on? If so, go to step 3.

3 Replace the imaging unit. Does the error still occur? If so, go to step 4.

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5 Replace the EEPROM board. Does the error still occur? If so, replace the Engine Control Board.

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I can tell you "exactly" where your jam is !

If you open the top cover and remove the imaging unit. Look straight down, and you will see a black rubber roller about 8 inches long. this is the registration roller. If you remove the four screws (two on the left side, one in the middle, and one on the right) and gently lift up your wrinkled paper will be right there. Since your are not replacing the registration assembly you do not need to remove the two connectors that attach to the main board from the registration assembly. Just remove the paper, reseat unit, and put back screws. There is a test to see if your unit has the fix that gives the drive assembly a little more power to aviod jams in the future. This is a software fix.
I believe it's available on the xerox website as a postscript snippet.

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2 Answers

Reseat imaging unit notice won't go away

The Phaser 6250 has a known flaw in the design of the gear slide assembly associated with the door over the imaging unit. One of the teeth has skipped and will require a service tech to "realign Rack-V". It's an easy fix if pictures/diagrams could be posted, but I'm not recommending a novice to attempt this fix without them. "Reseat Imaging Unit" error is a common fix for Xerox printer techs familiar with the 6250.

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2 Answers

Technical Black Imaging Unit Replaced,Error message still shows

These units are automatically reset with a fuse. When you put the imaging unit in it will completes a connection which resets the count then simultaniously blows the fuse. Sometimes the fuse blows before the reset, which is what it sounds like happened here. The machine should print normally but the error will persist until the unit is replaced with a new one. Is the the imaging unit an OEM unit or remanufactured? Whoever you got the unit from should replace it as defective free of charge. If it is OEM you might have to go through Xerox to get it replaced. I don't know if the Big Box stores will.

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Xerox Phaser 6250 started printing bad

That really sounds like the imaging unit cleaner has an issue.
If you have one try the imaging unit, I really suspect that is your problem.
Black is Faded or Missing Step 1 Clean the Laser Windows and Remove Excess Toner From the Imaging Unit Step 2 Check or Replace the Imaging Unit Gear Retaining Pin Step 3 Replace the Imaging Unit (installation instructions) ic-film.gif
See if this link works. Xerox is infameous for these not working.,/?St=842,E=0000000000019251353,K=6024,Sxi=13,Case=obj(19377)

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Ok nevermind. Just trying to get it out of the queue.

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Xerox Phaser 6250

How Brave is Jan?

Doubt it be the fuser(100 000life), "just magenta dots".... fuser would be "all smudged" or "black marks" , "the print rubs off" , "paper is creasing or jamming"

Can prove it by stopping a print (open door) when paper is1/2 way threw machine, you need to stop it before it goes threw the hot bit, so you can tell if the hot bit (fuser) puts the marks on the paper.

Transfer roller one would expect to effect whole print Smudged/Faint,uneven density

It will be the imaging unit ( 30 000 pagelife Ouch$ ) or possible leaking toner (if aftermarket)

Remove imaging unit and inspect film you should find image of lines, dots are usually chips or sticky stuff on drum surface, carefull no oily human fingers on surface please.

When stopping machine mid print and perfecting your timing, pull out the imaging unit and look at replica of your print notice if marked and where.

Hope this helps

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Xerox phaser 6250 NVRAM Failure

Cycle power, try cleaning the CTD (ADC) sensor and toner full sensor. This is what Xerox has to say about the NVRAM failure: On the front panel, press the key labeled i to view information about the error. Record the error code number. Turn off the printer. Reseat the fuser. Reseat the imaging unit. Reseat the toner cartridges. Turn on the printer. If the error continues to be displayed contact service. To be on the safe side you can follow the instructions here on the procedure to replace the transfer roler: Good luck

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