Stripe Down Center of Printed Paper from LaserJet

I have a HP Laserjet 4250n laserjet printer.  All of a sudden I am getting a very dull print (about 2 inches wide) down the center of the paper.  Some parts of it are not readable, while some are very dull and hard to read.  It almost seems like the toner was not being laid down correctly there so I replaced the Toner Cartridge.  Still happened.  I tried replacing the Fuser and still have the same issue.

Any Thoughts?

Thanks,

Jared
jaredricoAsked:
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johnb6767Commented:
Can you see a pattern in the stripe, if so, could be a drum thats going out.....
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jaredricoAuthor Commented:
not really...where would the drum be located in the printer.
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rfportillaCommented:
Do you have a piece of paper stuck in the printer?
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nobusbiljart fanCommented:
did you try another cartridge yet ?   that should help
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jaredricoAuthor Commented:
yes, i did try another cartridge.  no paper is stuck.
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joedCommented:
Cartridge and fuser are the normal causes of this. Since you changed them I would say you have something stuck in the printer. It could be toner that has leaked from a cartridge. It could be paper or a lost label stuck to a roller.
Try opening the printer with a print half way through. See if you can determine which section of the printer is giving the problem.
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nobusbiljart fanCommented:
and give the unit a good cleaning !
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rfportillaCommented:
Yeah, for your printer, it's either the toner/drum, fuser, or something stuck.  
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walkman48Commented:
Jariedco

Do a halfway test:
Start a print job and when the page is half way through under the toner open the top cover this will stop all workings so that you can look at the toner. Take out the toner and look at the blue or green drum  and look at the image that is left on tha drum if it is light in the middle like your prints on the drum then follow the laser cleaning if the image on the drum is fine then would follow transfer roller cleaning/relacement

For the laser cleaning In my experiance it is not normaly in the middle it is normaly to the side on the laser mrrors that build up so in your case I would look for dust bunnies in the laser bean area.  To do this  take out the toner and look to the slilver metal that is just above the toner when it is in. There is an long rectangle cut in the metal look for dust bunnies in this area as the printer uses a laser through this cut to shine on the drum in the toner cartridge. to disassemble and clean the laser unit will take some tools but you have already replaced the most common parts toner cartridge and the fuser. so if it is not printing on the drum with the halfway test that the laser mirrors need cleaning. just download the manual and follow the cleaning fo the laser unit

for the transfer roller look to the bottom of where the toner goes in and look for a black sponge looking roller and look for a build up in the middle of the roller blocking the eletricity from pulling the image from the drum. if a build up if found I would replace it but  you can try alcohol and a rag to clean
 
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