Question about Brother MFC-9440CN Laser Printer

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Can a cartridge be "fixed" to continue use after "replace toner"

Does anyone have a "fix" to continue using a toner cartridge after the machine tells me to replace it?

Is there any possible problem to the machine if a cartridge is used until it is completely empty? I cannot see any electrical contacts for an electronic sensor, so I am thinking that there may not be an electronic detector.

There are2 circular windows, one on each side of the cartridge that can be covered by toner if the cart. is tipped on its end. Other threads on this forum talk about covering a window with black tape to fool the machine into thinking that there is enough toner.

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  • doddcomps Nov 29, 2008

    Thanks moe0303. Will give this a try when the warning message appears. The message appeared quite some time before the machine declared all the coloured toners empty (at the same time), and would not allow any printing, even black.

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Yes, tthe machine shines a laser through the cartridge to tell that it is empty. However, I do not believe that there is anything that you can do once the add toner indicator has come on. The best theing to do is to avoid the add toner indicator by the means you described. I would not advise tipping to one side as that will eventually lead to uneven coverage. Instead, try turning it a few times then re-inserting it back into the machine.

I hope you find this information helpful.

Posted on Nov 28, 2008

  • 3 more comments 
  • Maurice Holliday Nov 29, 2008

    Glad I could help.

    Another thing to do is to make sure that the default setting on your printing preferences is set to black and white. If it is set to "color", the machine will treat all documents (even black and white documents) as color. This will cause the supplies to deplete more rapidly costing you $$$.



    I hope you find this information even more helpful.

  • Mergatroid Jul 11, 2011

    It's IR, not a laser.

  • Mergatroid Jul 11, 2011

    And, no it will not deplete faster if it's set to colour. The machine counts how much toner it uses, not how many pages are colour prints. It uses the sensor window to confirm the count.

    Remove the cartridge and shake it side to side. If you must, block the sensor window with some masking or electrical tape. Don't try to reset the counter before you replace the cartridge or you can end up with an incorrect BIAS voltage.

  • Maurice Holliday Jul 12, 2011

    Many things that we call "lasers" are not actually lasers. The description was intended to convey an idea of the operation not to be a technical walk through of all the processes.

    Actually, other components such as the drum and transfer assemblies are on set counters. When making a color print the machine will go thru 4 cycles (black, yellow, magenta, cyan). If they are printing a black and white copy as color the machine will at least record a cycle for each color on the drum and transfer assemblies. This means that the assemblies will record cycles even though they do not need to be used. This will, in effect, deplete the supplies more rapidly since they operate only for a set amount of cycles (17,000). If you printed 17,000 black and white images as color, you would find that you would have to replace all four drum units instead of just the black.

    I also advise against resetting the counter before replacing the cartridge.

  • Maurice Holliday Jul 12, 2011

    We call lots of things lasers that are not actually lasers. It was meant to convey the general idea.

    This printer has 4 drums (black, yellow, cyan, magenta) and a transfer assembly. These units are on a set counter for usage. Lets say each one is set for 17,000 prints/clicks. If you printed 17,000 black and white pages as color, you would find yourself having to replace all four drums even though logic says that you should only have to replace the Black drum. All of the other drums should still have 17,000 clicks remaining, but if they were run as color, they wouldn't. This, in effect, causes supplies to deplete more rapidly thus costing more money.

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Sir/Madam

I suggest You Go To http://welcome.solutions.brother.com/BSC/public/eu/eu_ot/en/faq/faq/000000/000000/000065/faq000065_056.html?reg=eu&c=eu_ot&lang=en&prod=dcp7060d_all

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Hold your Brother machine with one hand, and take out the drum unit and toner cartridge assembly by pulling on the handle in the middle of the drum unit and toner cartridge assembly. We recommend that you place the drum unit and/or the toner cartridge on a clean, flat, level, stable surface with a sheet of disposable paper or cloth underneath it in case you accidentally spill or scatter toner.
* This movie is being streamed from YouTube. (Opening new window.)
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Go to Above Mention Official Brother Printer Url Link for instructions on how to return your used consumable items to the Brother collection program. If you choose not to return your used consumable, please discard the used consumable according to local regulations, keeping it separate from domestic waste. If you have questions, call your local waste disposal office.
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* This movie is being streamed from YouTube. (Opening new window.)
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This movie is being streamed from YouTube. (Opening new window.)
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@font-face { font-family: Verdana;}@page Section1 {size: 8.5in 11.0in; margin: 1.0in 1.25in 1.0in 1.25in; }P.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"}LI.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"}DIV.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"}A:link { COLOR: blue; TEXT-DECORATION: underline}SPAN.MsoHyperlink { COLOR: blue; TEXT-DECORATION: underline}A:visited { COLOR: purple; TEXT-DECORATION: underline}SPAN.MsoHyperlinkFollowed { COLOR: purple; TEXT-DECORATION: underline}DIV.Section1 { page: Section1} If the Toner LED is still on, or the status monitor continues to display the message "Toner Life End" after installing a new toner cartridge, verify you are using a genuine Brother toner cartridge.

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