Question about Brother MFC-9420CN All-In-One Laser Printer

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Lose of coloron one side

It appears that I am losing coverage of the black toner on the extreme left side of the page. I put in a brand new toner cartridge thinking that toner was running low, but same problem exists.

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  • 4 Answers

Try cleaning the toner drum with a lint free cloth.

Posted on Jun 14, 2010

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How do I print out toner usage coverage report. average coverage per page colro vs bw


depending on how much color or black you print per page, you control that, you didn't state the make and model to help your with that question

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My cartridge is full of toner but the printer says it needs to be replaced, how do i reset the cartridge?


You can't. The toner levels are calculated and approximated. Make sure you use genuine Kyocera toner and replace it.

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My Brother HL-2170W only gets about 300 pages per toner cartridge unless I put a piece of masking tape over the whole in the cartridge through which the printer ascertains how much ink is left. When I...


It is perfectly safe to cover the sensors on either side of the cartridge. What works best is to cover it with a piece of black electrical tape. The cartridge is set up so that when you put it in the printer, the printer shines a laser from one end of the cartridge to the other. This laser reads the toner level. If you cover both sides up with tape, it tricks the printer into thinking the cartridge is full of toner.

Hope this helps! :)

Mar 23, 2010 | Brother HL-2170W Laser Printer

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Vertical lines printed on right side of every page


Would be helpful to know the brand and model of the printer. Sometimes this is caused by not returning the slide used to clean the primary corona wire to its original position (usually to the extreme left side of the toner cartridge) after cleaning the corona wire. If you haven't cleaned the corona wire, you should follow instructions and do that first.

Jul 22, 2009 | Dell 3000cn Color Laser Printer

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Want to know toner yield for the Ricoh Aticio MP 6500


43,000 copies/bottle (based on 5% coverage). For the extremely low cost per page of toner usage, why bother with toner save - you lose substantial quality

Mar 26, 2009 | Ricoh Office Equipment & Supplies

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Black lines on the right side of every copy


depending on what the lines look like it could be the charge roller or transfer roller.
A defect on the charge roll appears as black areas on the front of the test page, and as light gray areas on the test page.
A defect on the PC drum of the toner cartridge appears as white areas on a dark, full–coverage test print and as black areas on the "text only" test page.
I have also seen a line with a 'ridge' on the paper. This will appear almost like an embossed line. This was caused by the fuser roller being scored by debris.

Jan 12, 2009 | Dell 1710 Laser Printer

1 Answer

Printing vertical grayish black ink on the left and right side of page


replace the toner cartridge, you wont have anything "dripping" out of it as the toner inside is a powder. if it still appears replace the fuser.

Oct 22, 2008 | HP LaserJet 4250dtn Printer

1 Answer

Hey m8


  • Buxie, first off you have voided your warrenty, secondly
  • If marks repeatedly appear on the printed side of the
    page at even intervals:
    • Clean the inside of the printer. See “Cleaning the
    Inside of the Printer” on page 5.7. After cleaning
    the inside of the printer, if you still have the same
    problems, install a new toner cartridge of the
    problem color. See “Replacing Toner Cartridges” on
    page 5.3.
    • Parts of the printer may have toner on them. If the
    defects occur on the back of the page, the problem
    will likely correct itself after a few more pages.
    • The fusing assembly may be damaged. Contact a
    service representative.
  • If horizontally aligned color or black streaks or
    smears appear:
    • A toner cartridge may be installed improperly.
    Remove the toner cartridge and reinsert.
    • A toner cartridge may be defective. Install a new
    toner cartridge.
    • If the problem persists, the printer may require
    repair. Contact a service representative.
  • SXPRESS- It is normal to have to replace it after that because the starter cartridges are rated for 1500 pages but that is at only 5% page coverage and most people print alot higher coverage than that, and the replacements cover 2000 pages again @ 5% page Coverage

May 20, 2008 | Samsung CLP 300 Laser Printer

1 Answer

My cpmputer does not show how much ink is in my cartridge and hgow many pages left tp print


If you loaded the full suite of software that came eith your printer it may give you an estimate of how much ink is left. Most inkjet printers do not have the capability to show exactly how much it left, they calculate remaining ink from the number of pages printed since the ink was installed. Even $15,000 color copiers must calculate the amount of toner left but the complexity of the data the copier looks at gives an extremely close estimate. All of this depends on what percentage of the page is covered. Most toner and ink usage data assumes 5% coverage meaning an 8.5" X 11" page completely filled, excluding margins, with 10 point text. If you are printing pictures, graphics, bold face type, etc... the coverage could be extremely high. Hope this helps. Post if you have more questions and I will be glad to help.

Mar 09, 2008 | Computers & Internet

2 Answers

Black Toner Problem


You just might have a faulty black toner cartridge think back did the problem arise when you installed the new black cartridge. Also is the toner a original if not change for a original.

Hope this Helps
Thanks J

Dec 31, 2007 | Samsung CLP 300 Laser Printer

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