Question about Xerox Phaser 8400 Laser Printer

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Dark streaks There are dark streaks in the printing that show especially in the yellow. I've done all the cleaning protocols and replaced the maintenance kit. Help!?

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  • avaterlaus Oct 02, 2008

    I have dark streaks across the printed areas, especially on the complex images. Also, most images are slightly darker. I have cleaned the printer and it has recently been serviced by a Xerox dealer.

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Dark streaks are an indication of "burned" or overheated ink. This will occur when the printer sets for a long period of time and nothing is printed. The problem will usually disappear after 50 pages or so, unless the printhead is damaged.

If the print remains dark, the printhead will need replaced.
(Very expensive)

(Dark print can also be caused by using Non-Xerox ink)

Posted on Jan 17, 2009

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C252 streaks


Check your consumables. Press utility then check consumables. If anything is at the end of life, it needs replaced. It sounds like your drums are not cleaning properly and need to be changed. If they are fairly new, then I would suspect the transfer belt. If you know hoe to get into service mode you can go into test mode. Then run your halftones on each color. If it moves around, its your drums. If it stays in one spot, its your transfer belt. Also you could check your drum units. If they have streaks going across the green drum, like its dirty, then its coming from the drums.

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John Norman
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www.maxoptical.com

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1 Answer

I get a dark streak down the left hand side of every page.


It is either toner cartridge or fuser.
Print a few sheets of anything.
While printing, open the cover and pull out the toner.
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Have a canon c130.changed toner and still getting dark streaks on copies. Have cleaned all I could find inside still dark streaks


Try doing a "stop test." You would induce a jam before the paper reaches the fuser.

Just open a cover while printing and hopefully some image has been transferred to the paper. If the defect exists already then the laser unit, or document scanner may be causing it.

If that eliminates the dark streak, then obviously the fuser FG6-3720-000 should be changed.

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1 Answer

The left hand side of each page prints some streaky dark lines. I've tried to clean it and put it in cleaning mode but nothing works. Help please!


Remove the toner cartridge. Turn it over and slide open the gate that covers the drum. Do you see streaks on one end of the little colored cylinder? (drum)
If so then the streaks are coming from the cartridge.
90% or better of the time, especially on HP's the print quality issues are coming from the cartridge.
Good Luck and Thank You for using Fixya.

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Reference page 22-17 in reguards to cleaning the charge wire on the drum unit and page 22-16 for cleaning the document scanner. This is a link to your Brother MFC 8500. Hope this helps.
http://www.brother-usa.com/ModelDocuments/Consumer/Users%20Manual/UM_MFC_8500_EN_1354.PDF
If the dark streak appears on printed documents, cleaning the charge wire will correct it.

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1 Answer

Dark streaks


Hi,


You need to remove the maintanence kit and clean the wiper blades there and where the paper comes out of the machine at the top. See below and check when your maintenance kit runs out and how to replace it!



http://www.support.xerox.com/SRVS/CGI-BIN/WEBCGI.EXE/,/?St=389,E=0000000001343282793,K=7185,Sxi=9,Case=obj(947)

http://www.support.xerox.com/SRVS/CGI-BIN/WEBCGI.EXE/,/?St=389,E=0000000001343282793,K=7185,Sxi=9,Case=obj(1031)

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1 Answer

Lexmark X83 printer has streaks printing color pictures (but text is fine)


This is the problem with the cartridge if you brought original Lexmark cartridge you can get it exchanged as the cartridge is nay be defective and the cartridge comes with one year warranty...........................................

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sounds a lot like the print heads are clogged. Can you print a test page, and how does that come out?

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