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14 Products for the Brother MFC-8640N MultiFunction Center
You Are Here: >  Top >  Brother >  MFC - All-in-One >  MFC-8640N


Brother MFC-8640N Toner Cartridge (Extra Capacity - 7000 Pages)
  OVER 100

Price:  $20.89
Product Description
Toner Cartridge for Brother MFC-8640N MultiFunction Laser Printer.

High Yield Toner Cartridge: Printer manufacturers offer High Yield Toner Cartridges as an upgrade over standard cartridges. High Yield cartridges contain more ink/toner than regular cartridges. This cartridge prints 7,000 pages with an average of 5% coverage, while a standard cartridge only prints 3,500.

This product comes with a 6 month Warranty against any defects (including free replacement). We stand behind our products 100%, as these are not manufactured by Brother.

Why toner? Why not call it ink? Regular ink dries quickly, which is why cartridges for inkjet printers do not last long. Laser Printers use toner, which is ink in the form of powder. A sealed toner cartridge can be stored for 2+ years prior to usage.

Product Manuals
When do I Replace a Toner Cartridge in the Brother MFC-8640N Multifunction Center?
The TN-540 (standard-yield) toner cartridge used in your Brother MFC-8640N Multifunction Center has a lifespan of approx. 3,500 A4 pages at 5% coverage. You can increase the useful life of the installed toner cartridge by activating Toner Save ([General Setup] – [Ecology] – [Toner Save] – [On/Off]). One of the listed indications will appear when the installed toner cartridge reaches the end of its useful life.

The message [Toner Empty] is displayed – This message indicates that your Brother MFC-8640N Multifunction Center cannot print or copy due to an empty toner cartridge. You should install a new toner cartridge to resume printing/copying.

The message [Toner Low] is displayed – Printing is still possible in this situation. However, you should replace the installed toner cartridge soon to avoid print quality problems and printing delays.

Faded printouts

All white sections of the document are printed in grey

Black dots appear

Black and/or white lines appear
How to Install a Toner Cartridge in the Brother MFC-8640N Multifunction Center
In the initial step of the replacement procedure, you must open the front cover by pulling its upper section gently towards you, and then pull the drum unit and toner cartridge assembly out of the Brother MFC-8640N Multifunction Center. Please place the removed drum unit and toner cartridge assembly on a piece of disposable paper or cloth. After that, you must pull the exhausted toner cartridge out of the drum unit while pressing the release lever that is located on the right, and then remove the replacement toner cartridge from the protective aluminum bag. In the next step of the replacement procedure, you must hold the new toner cartridge with both hands, and shake it several times from side to side to loosen and redistribute the toner. Once you have loosened and redistributed the toner, you must remove the protective cover from the toner roller, and then insert the new toner cartridge into the drum unit until it locks into place. Now, you must grasp the little blue tab that is located on the top side of the drum unit, and slide it several times from left to right and right to left in order to clean the primary corona wire. Please return the cleaning tab back to its original position once you have finished cleaning the primary corona wire of the drum unit. Finally, you must insert the drum unit and toner cartridge assembly into the Brother MFC-8640N Multifunction Center, and then close the front cover.
Brother MFC-8640N Toner Cartridge (OEM) made by Brother - 6700 Pages
Brother OVER 50

Price:  $104.89
Brother MFC-8640N Drum Unit -25,000Pages (Brother MFC8640N Drum)
  OVER 100

Price:  $27.89
Brother MFC-8640N Drum and (2) Toner Cartridges Combo
  OVER 100

Price:  $66.89
Brother MFC-8640N Drum Unit (OEM) made by Brother - Prints 25000 Pages
Brother OVER 100

Price:  $187.89
Brother MFC-8640N Drum Unit (OEM) made by Brother - Prints 20000 Pages
Brother 46 IN STOCK NOW

Price:  $176.89
Brother MFC-8640N Fuser Assembly Unit (OEM)

Price:  $141.89
Brother MFC-8640N Paper Cassette Unit (OEM)

Price:  $30.89
Brother MFC-8640N Main Motor Assembly (OEM)

Price:  $73.89
Brother MFC-8640N Cleaner Pinch Roller S (OEM)
Brother 22 IN STOCK NOW

Price:  $5.89
Brother MFC-8640N P/R Solenoid Assembly (OEM)

Price:  $22.89
Brother MFC-8640N Developer Joint (OEM)
Brother 10 IN STOCK NOW

Price:  $6.89
Brother MFC-8640N Upper Fuser Roller Bearing (OEM)

Price:  $5.89
Brother MFC-8640N Upper Fuser Roller Gear (OEM)

Price:  $4.89

Brother MFC-8640N Review


Having an all in one machine is important in any office, but also having the ability to use it on your company network is crucial. The Brother MFC-8640N can achieve this. With its printing, scanning, faxing and copying functionalities, the added network connectivity makes this one of the most powerful machines around. Built with the small to medium sized business in mind, it is very reliable and has many other features that will make your life very easy.


The machine has a print speed of 21 pages every minute. This is a very fast speed that is certain suit most businesses, especially small businesses. Even if you are printing out a lot of documents per month, to surpass the 20,000 pages per month limit would take some doing, and you will find it hard to come anywhere near that number. To handle this high printing speed, it comes with a 50 page automatic document feeder. It also has the option to upgrade its paper drawer to up to hold 250 pages. Refilling can be a nuisance so getting the upgrade will be useful.

Another feature the MFC-8640N offers is the ability to copy and scan. Just like its print speed, it can copy at 21 pages per minute. It only does this in black and white though. It can print out copies of up to 2400 x 600 dpi resolution. This is excellent quality that will make your documents and images appear very clear on the page.

The scanning feature this machine has is also very useful. Not only is it able to achieve high resolutions of 9600 dpi, but also is also capable of scanning on color. This is an extra bonus that can be a great little addition that might come in handy sometime. It can also scan in black and white, and can reach a resolution of 2400 x 600 dpi when optical scanning.

One of the most impressive features is the reduction and enlargement feature. Not only can you make documents smaller or bigger to fit a page, but also take use of the 2 in 1 or 4 in 1 functions. This allows you to take up to four images and shrink them so they fit on just one document. This can also be done in vice versa, and one page can be transformed into two pages.

The "N" in the MFC-8640N stands for network. This is the stand out feature in this machine and allows the machine to connect to the network with ease. This is very useful, as it allows for a faster workflow and more convenient connection. By connecting both your computer, and the all in one device to the network, you can have instant access to all of the functions easily. The scan to feature that is included in the device allows the user to scan a document, and then have it sent to the computer ready for editing, or ready for use in an email. This is a very fast way of working and should be taken full advantage of.


One of the major disadvantages is that the machine cannot do duplex printing. Duplex printing is when the machine will automatically turn the document around and print on both sides. This will save the user time and money. Instead, if you wish to print on both sides of the same paper, you must do it manually. There is not an option to upgrade this either.

Another downfall is the lack of color support. Although you can scan in color, you cannot print, and therefore cannot copy in color. For a company that sometimes might need this functionality, they will have to find a different machine to suit their needs.

For an all in one machine this will take some beating. It has almost everything you need if you are looking for something to use on a day to day basis. It can print and copy your documents at high speeds and in high quality, or can copy your documents in color. It even has a faxing function. And the main selling point is the ability to connect to a network, which will make life much easier for the everyday user.

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TradeMark Disclosure: QuikShip Toner is a registered US Trademark. 3D Printing, Airwolf, Amano, Apple, Brother, Canon, Casio, Citizen, Copystar, Danka/Infotec, DEC, Dell, Epson, Fujitsu, Gestetner, Hasler, Hitachi, HP, IBM, KIP, Kodak, Konica Minolta, Kyocera Mita, Lanier, Lexmark, MakerBot, Muratec, Nashuatec, NEC, Neopost, OkiData, Olivetti, Panasonic, Pitney Bowes, Printek, Printronix, RepRap, Rex Rotary, Ricoh, Risograph, Samsung, Savin, Sharp, Smith Corona, Star Micronics, Tally Genicom, Texas Instruments, Toshiba, Underwood, Unisys, Xerox, Zebra and other manufacturer brand names and logos are registered trademarks of their respective owners who have no association with or make any endorsement of the products or services provided by Any use of a brand name or model designation for a non-OEM cartridge is made solely for purposes of demonstrating compatibility, and unless noted as OEM, All products listed on this site is are non-OEM.



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