Question about Brother MFC-9440CN Laser Printer

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Error reading on Toner not correct

How does the brother 9440 cn sense the toner?

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Probably just like other Brother printers. It is an optical device, sending light through a window in the toner cassette and sensing the amount of light that gets through. High light throughput in this circuit = toner low.

Posted on May 21, 2009

  • Håkan Sterner May 21, 2009

    PS. Sometimes this optical sensor / device becomes dirty and needs some cleaning to work normally.

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Posted on Jan 02, 2017

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Brother MFC 9440CN Toner Life End Message... The Final Solution


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Sadly, I was crushed to discover that performing this operation did not solve the problem for my accursed unit.
[Do it anyway as it will save you from these annoyingly premature warnings in future!]

Reading further, I became convinced that a reset process similar to that used to solve this problem for the Brother 2040 and 7420 models was also required here.

With nothing more to go on than responses to my emails from the good people (knuckleheads) at Brother telling me only how to install a new cartridge, I began poking around on my own 'till, after much swearing and gnashing of teeth, I figured it out:

1. With power on, open the toner access main door (You will get a "door open" message in the LCD.)
2. Hit the "Clear/Back" button and... ta-dah!!! you go right to the “Toner Reset Menu” (cue Vienna Boy's choir sounds here).
3. Using the up á Down â "Search" arrow buttons you can then scroll through reset options for each of the printer's [4] toner cartridges!
Code: B. = black; C. = cyan; M. = magenta and Y. = yellow
4. For each for these cartridges is the option to reset for low yield = S (small?) or High Yield - H
5. Using the number keypad, select option #1 (to reset each to the size you have installed.
6. Hit the "Clear/Back" button to get out of the menu, close door ad the problem is FINALLY solved.

Additional tip: you might want to try turning on the Toner Save Mode to stretch out your cartridge replacements.
Open Printers > go to the MFC 9440 icon >>> Printing Preferences...> Advanced Settings > Printer Functions > Toner Save Mode >> turn on.
Looks fine to me, though not suggested for grayscale or photo printing,.

Cheers!
b.

on Jun 30, 2008 | Brother MFC-9440CN Laser Printer

1 Answer

Brother dcp9040 cn . you had advised me before. replaced toner cartridges. continue to say load cyan toner. had reordered a new cyan toner and replaced it. removed drum . it still contiue to say load cyan...


Try reseting the toner cartridge via the operations panel.

Do this by opening front door and pressing clear/back button, a menu will appear, we want to select C-TNR-S or C-TNR-H depending on if you are using Cyan/TonerStandard or Cyan/Toner/High Capacity, so use arrows to go to correct one then press ok to select it, then a new menu appears, we want to select 1 and ok to reset, then it should just go back to cover open.

That should do it, have you tried it? as I think I told you the same before, I also need to know if you are using original brother branded toners or refill/remanufactured ones. You can reach me via this question

Steve

Jan 21, 2012 | Office Equipment & Supplies

1 Answer

Brother MFC 9440 won't recognize new toner cartridge


I knew it needed to be reset to recognize the new toner. Glad you found the info in the electronic menu. Thanks for using Fixya. If my suggestion was helpful could you please rate it for Fixya. Thanks

Dec 05, 2011 | Brother MFC9440cn AllInOne Laser Printer

1 Answer

Can i refill tonner on MFC- 9440 CN laser printer


You can, but it a dirty job. I would not recommend it as the toner powder is very fine and you don't want to breath in this toner powder.
If you don't want to purchase a new toner cartridge, then I recommend you buy a re-manufactured toner cartridge for your model printer. They cheaper than the new Brother toner cartridges and usually contain more toner and the drum cartridge components have been refurbished.

Feb 24, 2011 | Brother MFC-9440CN Laser Printer

1 Answer

MFC-9440 CN Laser Printer is producing vertical color line streak


Colored vertical streaks - looks like a transfer belt problem, and it's not user fixable. You may need a new belt unit - you can find it for around US$ 80-120, but you may want to have a technician inspect the unit first, since it could arguably be the drum instead, and you don't want to fork around US$ 100 and replace the wrong part.
You can try showing a printer sample at a print shop; by looking at the streaks it is possible to diagnose drum, fuser or belt problems.
Here you find a much more detailed page, for another printer model, but the issues are mainly the same for most color printers:
http://www.laserquipt.com/support/idx/26/452/article/Toner-Smearing-Issues.html

Mar 25, 2010 | Brother MFC-9440CN Laser Printer

1 Answer

Black dots on printed page from Brother 9440 color laser printer


The problem lies with the black toner cartridge. This is a common problem in these machines due to poor design by Brother. Best solution is to replace the offending color toner cartridge.

Jan 18, 2010 | Brother MFC-9440CN Laser Printer

1 Answer

I replaced my waste toner box in Nov 09, ever since then at times (most of the time)my Brother DCP-9040 CN Printer keeps saying no waste toner box, and it won't print. There is one in it, I know cause I...


Make sure the box is in the unit correctly and is completely seated in its holder. Either one of these could result in the unit not recognizing that you have replaced the bottle.

Jan 05, 2010 | Brother DCP-9040CN Laser Printer

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