FREE next-day delivery on everything
 

Delivery Schedule

Most orders will arrive in the timeframes shown below. However, due to the COVID-19 crisis, a minority will take a day or more than expected. If your order hasn't arrived by the estimated delivery date, please allow 5 days before contacting us.


Order placedExpect to receive
Monday, before 5:15pm Next day (Tuesday)
Tuesday, before 5:15pm Next day (Wednesday)
Wednesday, before 5:15pm Next day (Thursday)
Thursday, before 5:15pm Next day (Friday)
Friday, before 5:15pm Monday
Saturday or Sunday Tuesday

All orders are being dispatched from our warehouse on the day they are placed (Monday to Friday before 5:15pm).

The possible delays in delivery are due to unprecedented demand on couriers, and affect all couriers throughout the U.K. This means that all online stores will be affected equally, regardless of the speed in which orders are dispatched.

Bank holidays

We do not despatch or deliver orders on bank holidays

Highlands and Islands

Deliveries may take 2 to 3 days longer to arrive

International deliveries

We only deliver to addresses within the UK.

Lowest online price guaranteed
We beat or match all other retailers
Lowest price guaranteed
Fast, FREE delivery

Lowest online price guaranteed.

If within 7 days of your purchase you find the same product (brand and model) being offered online at a lower price, we will refund 100% of the difference. For further info, click here.

<2>Lowest online price guaranteed

To claim against our low price guarantee simply contact us and include the following information:

  • Your full name, postal address, email address and order number
  • The product code of the item you found cheaper on a competitor's site
  • The exact page on the competitors website where you found the product cheaper
  • Please note: unfortunately we are unable to offer this guarantee on printers and hardware

Our low price guarantee applies only to products available from online UK retailers. It excludes products that are not new and immediately available, online promotions such as special, bonus or free offers that are not at everyday prices and products which are sold under different terms and conditions, such as special financing, contract pricing or volume discount pricing.

Basically, the identical items must be in stock and ready for immediate dispatch on another VAT registered UK mainland based website.

Free next-day delivery

Our free delivery option typically uses Royal Mail first class. In 98% of cases, orders placed on Monday to Friday before 5:15pm will arrive on the next working day. To see other delivery options and our delivery schedule click here.

Delivery Schedule

Orders placed before 5:15pm on Monday to Thursday - receive next day

Orders placed before 5:15pm on Friday - receive on Monday

Orders placed on Saturday or Sunday - receive on Tuesday

Delivery Options

Free next-day

98% of orders arrive the next working day. Typically uses Royal Mail 1st class, though some orders may be upgraded to courier.

Guaranteed next-day (£2.95)

Uses courier. In the extremely unlikely event that delivery isn't attempted on the next working day, you will be given:

  • A 10% refund of the total order value
  • A refund of £2.95 courier charge
  • A further voucher giving you a further 10% off your next order

Guaranteed pre-12 (£7.95)

Uses courier. In the extremely unlikely event that delivery isn't attempted before 12 noon on the next working day, you will be given:

  • A 10% refund of the total order value
  • A refund of £7.95 courier charge
  • A further voucher giving you a further 10% off your next order

12 month warranty on printer cartridges

If within a year of purchase you happen to experience any quality problem, we'll happily provide a replacement, or a full refund.

Free returns on printer cartridges

Whatever the reason for returning printer cartridges to Cartridge Save, you will never pay a penny for postage.

Lowest online price guaranteed

We pride ourselves in giving our customers the best possible value for money. To ensure you are not out of pocket, we will refund 100% of the difference, if within 7 days of your purchase you find the same product (brand and model) being offered online at a lower price.

To claim against our low price guarantee simply contact us and include the following information:

  • Your full name, postal address, email address and order number
  • The product code of the item you found cheaper on a competitor's site
  • The exact page on the competitors website where you found the product cheaper
  • Please note: unfortunately we are unable to offer this guarantee on printers and hardware

Our low price guarantee applies only to products available from online UK retailers. It excludes products that are not new and immediately available, online promotions such as special, bonus or free offers that are not at everyday prices and products which are sold under different terms and conditions, such as special financing, contract pricing or volume discount pricing.

Basically, the identical items must be in stock and ready for immediate dispatch on another VAT registered UK mainland based website.

Brother MFC-7840W Toner Cartridges

Brother MFC-7840W Toner Cartridges

The following 6 products are guaranteed to work in your Brother MFC-7840W printer:

6 products guaranteed to work in your printer:

6 products guaranteed to work in your Brother MFC-7840W printer:

Got a question about products for this printer?

 
Black toner cartridges for Brother MFC-7840W printer

  1. Genuine Brother TN-2120 High Capacity Black Toner Cartridge (TN2120 Laser Printer Cartridge)
    Customer Reviews
    1. 5 Star 18
    2. 4 Star 3
    3. 3 Star 0
    4. 2 Star 0
    5. 1 Star 0
    See all 21 reviews

    Average Customer Review:
    97.142857142857%
    21 reviews

    1. 80%

      By Gary Cocks on

      Always works unlike some non brother ones
    2. 100%

      By A Hall on

      No problems - prompt response and delivery despite these challenging times.
    3. 80%

      By Mrs Julie Page on

      I am very happy with the Cartridge and the new Drum, which arrived on time. We can now relax with no worries. The printer they were bought for is a Brother HL-2140 and I would thoroughly recommend it. Cannot comment on the price, as quite honestly I did not shop around but just went to the company I trust. Thank you Cartridge Save.
    4. 100%

      By Pat on

      Always had excellent service with next day delivery as very good prices.
    5. 100%

      By Angela on

      Simple to install. Delivered promptly. Good quality printing.
    Page
    Show per page
    Page yield:
    1. 2,600 pages

    Pack Contains:

    Black - 2,600 pages

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

    High Capacity
    • High capacity black toner cartridge
    • Lowest online price guarantee
    • Lowest online price guarantee

      If within a year of purchase you happen to experience any quality problem, we'll happily provide a replacement, or a full refund.

      Whatever the reason for returning items to cartridgesave.co.uk, you will never pay a penny for postage.

    Best value Genuine

    2.4p per page

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

    1. 2,600 pages
    High Capacity
    Page yield:
    1. 2,600 pages

    Pack Contains:

    Black - 2,600 pages

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

    High Capacity
    £63.18

    FREE next-day delivery

    Multi-buy discount
    • Buy more, save money
    • 2 £60.70
    • 3+ £59.83
    Page yield:
    1. 2,600 pages

    Pack Contains:

    Black - 2,600 pages

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

    High Capacity
      • High capacity black toner cartridge
      • Lowest online price guarantee
      • Lowest online price guarantee

        If within a year of purchase you happen to experience any quality problem, we'll happily provide a replacement, or a full refund.

        Whatever the reason for returning items to cartridgesave.co.uk, you will never pay a penny for postage.

    £63.18

    FREE next-day delivery

    Multi-buy discount
    • Buy more, save money
    • 2 £60.70
    • 3+ £59.83
  2. Genuine Brother TN-2110 Black Toner Cartridge (TN2110 Laser Printer Cartridge)
    Customer Reviews
    1. 5 Star 6
    2. 4 Star 4
    3. 3 Star 0
    4. 2 Star 0
    5. 1 Star 0
    See all 10 reviews

    Average Customer Review:
    92%
    10 reviews

    1. 100%

      By Graham Johnson on

      Really good service I ordered the cartridge one day and it was delivered the next day. Installation of the cartridge was easy, instructions easy to follow
    2. 100%

      By Gill on

      Have been ordering from you for a while now have always been very happy with the prompt delivery of our orders, cartridges and drums always work well and are a very competitive price.
    3. 80%

      By Jamie BL on

      Good price and the cartridge for my DCP7030 installed and works well.
      Can recommend them.
    4. 80%

      By REBECCA BUCKLEY on

      EASY TO INSTALL, GOOD PRINT QUALITY AND A RESONABLE PRICE. DOESNT LAST AS LONG AS YOU WOULD EXPECT
    5. 100%

      By fred on

      arrived ok ,and on time
    Page
    Show per page
    Page yield:
    1. 1,500 pages

    Pack Contains:

    Black - 1,500 pages

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

    • Black toner cartridge
    • Lowest online price guarantee
    • Lowest online price guarantee

      If within a year of purchase you happen to experience any quality problem, we'll happily provide a replacement, or a full refund.

      Whatever the reason for returning items to cartridgesave.co.uk, you will never pay a penny for postage.

    3.0p per page

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

    1. 1,500 pages
    Page yield:
    1. 1,500 pages

    Pack Contains:

    Black - 1,500 pages

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

    £44.62

    FREE next-day delivery

    Multi-buy discount
    • Buy more, save money
    • 2 £42.38
    • 3+ £41.62
    Page yield:
    1. 1,500 pages

    Pack Contains:

    Black - 1,500 pages

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

      • Black toner cartridge
      • Lowest online price guarantee
      • Lowest online price guarantee

        If within a year of purchase you happen to experience any quality problem, we'll happily provide a replacement, or a full refund.

        Whatever the reason for returning items to cartridgesave.co.uk, you will never pay a penny for postage.

    £44.62

    FREE next-day delivery

    Multi-buy discount
    • Buy more, save money
    • 2 £42.38
    • 3+ £41.62
  3. Compatible High Capacity Black Brother TN-2120 Laser Toner - (Brother TN2120)
    Customer Reviews

    Average Customer Review:
    97.402597402597%
    77 reviews

    1. 100%

      By Alan on

      So far, so good. First time tried a compatible brand. Price good - delivery excellent
    2. 100%

      By Peter Ray on

      Excellent service in times when the country is in turmoil due to Coronavirus. Delivery was very quick and staff very obliging.
    3. 100%

      By Kaz Blach on

      Really impressed with service. Immediate delivery, problems and requests dealt with speedily and to our satisfaction.
    4. 100%

      By Anita on

      Arrived in two days - easy to install - we use these cartridges at school and I have not been disappointed with the quality or amount of pages printed. Definitely recommended!
    5. 100%

      By Neville Gilasbey on

      Always a first class service, quality products and very competitive prices, Highly recommended.
    Page
    Show per page
    Save £30.96 compared to the genuine Brother cartridge!
    Page yield:
    1. 2,600 pages

    Pack Contains:

    Black - 2,600 pages

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

    High Capacity
    • High capacity black toner cartridge
    • Premium brand toner cartridge

      These cartridges are a direct replacement for the version. Manufactured to strict quality standards, our premium cartridges product high quality prints and are very reliable.

    • Premium brand toner cartridge

      These cartridges are a direct replacement for the version. Manufactured to strict quality standards, our premium cartridges product high quality prints and are very reliable.

    • 3-year warranty
      3-year warranty on our own-brand cartridges
      We are proud of our own-brand cartridges, so we’ve made trying them a no-brainer. If within three years of purchase you have any problem whatsoever, we’ll happily offer either a replacement or a refund.
      Returning items is easy—it takes just a few minutes. But our return rate is very low, so you’ll be unlikely to need it.
      We are confident that no other own-brand cartridges are better than ours. They produce vibrant prints with accurate colour densities and dark blacks—and their page yields are as good as the genuines, if not better. Give them a try, and see why our customers love them.
      Our own-brand cartridges are incredibly reliable for three reasons:
      1. We are the UK’s biggest seller of own-brand cartridges, and we have invested a lot in optimising them.
      2. We are dedicated to quality. Every own-brand cartridge is performance-tested before it leaves the factory.
      3. We constantly monitor customer feedback, and quickly resolve any issues.
    • Printer protection guarantee
      Our cartridges won't damage your printer—guaranteed
      Some people worry that own-brand cartridges might damage their printers. We know from experience that ours don’t.
      To reassure you, we guarantee that we’ll repair or replace your printer—for free—in the unlikely event that it gets damaged by an own-brand cartridge. This is regardless of how old your printer is. We can afford to offer this because problems are almost unheard of.
      Some people whose printers are less than a year old worry that an own-brand cartridge might invalidate the manufacturer’s warranty. This isn’t true. By law, the manufacturers aren’t allowed to invalidate your warranty if you use own-brand cartridges. If something does go wrong, and our own-brand cartridges are to blame, we’ll take over the manufacturer’s warranty, offer you phone support and repair or replace your printer if needed.

      In summary, there’s zero risk in using our own-brand cartridges.

    Best value Premium

    1.2p per page

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

    1. 2,600 pages
    High Capacity
    Page yield:
    1. 2,600 pages

    Pack Contains:

    Black - 2,600 pages

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

    High Capacity
    £32.22

    FREE next-day delivery

    Multi-buy discount
    • Buy more, save money
    • 2 £29.00
    • 3+ £27.59
    Page yield:
    1. 2,600 pages

    Pack Contains:

    Black - 2,600 pages

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

    High Capacity
      • High capacity black toner cartridge
      • Premium brand toner cartridge

        These cartridges are a direct replacement for the version. Manufactured to strict quality standards, our premium cartridges product high quality prints and are very reliable.

      • Premium brand toner cartridge

        These cartridges are a direct replacement for the version. Manufactured to strict quality standards, our premium cartridges product high quality prints and are very reliable.

      • 3-year warranty
        3-year warranty on our own-brand cartridges
        We are proud of our own-brand cartridges, so we’ve made trying them a no-brainer. If within three years of purchase you have any problem whatsoever, we’ll happily offer either a replacement or a refund.
        Returning items is easy—it takes just a few minutes. But our return rate is very low, so you’ll be unlikely to need it.
        We are confident that no other own-brand cartridges are better than ours. They produce vibrant prints with accurate colour densities and dark blacks—and their page yields are as good as the genuines, if not better. Give them a try, and see why our customers love them.
        Our own-brand cartridges are incredibly reliable for three reasons:
        1. We are the UK’s biggest seller of own-brand cartridges, and we have invested a lot in optimising them.
        2. We are dedicated to quality. Every own-brand cartridge is performance-tested before it leaves the factory.
        3. We constantly monitor customer feedback, and quickly resolve any issues.
      • Printer protection guarantee
        Our cartridges won't damage your printer—guaranteed
        Some people worry that own-brand cartridges might damage their printers. We know from experience that ours don’t.
        To reassure you, we guarantee that we’ll repair or replace your printer—for free—in the unlikely event that it gets damaged by an own-brand cartridge. This is regardless of how old your printer is. We can afford to offer this because problems are almost unheard of.
        Some people whose printers are less than a year old worry that an own-brand cartridge might invalidate the manufacturer’s warranty. This isn’t true. By law, the manufacturers aren’t allowed to invalidate your warranty if you use own-brand cartridges. If something does go wrong, and our own-brand cartridges are to blame, we’ll take over the manufacturer’s warranty, offer you phone support and repair or replace your printer if needed.

        In summary, there’s zero risk in using our own-brand cartridges.
    £32.22

    FREE next-day delivery

    Multi-buy discount
    • Buy more, save money
    • 2 £29.00
    • 3+ £27.59
  4. Compatible Black Brother TN-2110 Toner Cartridge (Replaces TN2110 Laser Printer Cartridge)
    Customer Reviews
    1. 5 Star 4
    2. 4 Star 0
    3. 3 Star 1
    4. 2 Star 0
    5. 1 Star 0
    See all 5 reviews

    Average Customer Review:
    92%
    5 reviews

    1. 100%

      By Brian Chapple on

      Offered me a cheaper alternative and it came in less than 24hours.
      Who could ask for anythiong more?
    2. 100%

      By Bill Musson on

      Great toner cartridge - lasts very well. I have been using these for several years. Much cheaper than original Brother toner and fast, reliable, next day delivery. Excellent!
    3. 60%

      By Mrs.M.Slater on

      Very efficient but was upset that I did not recieve what I had ordered.. It does work and fitted into my printer easily (Brother DCP30) but I am concerned that the V&A Museum will query the quality as it is supposed to be lazer printing. I hope that it will be accepted.
    4. 100%

      By Sooz on

      This compatible cartridge is as good as the Brother one. It is still going strong since i bought it more than 3 months ago. I doubt if I will go back the Brother cartridges as these are far better value.
    5. 100%

      By MAGGIE on

      ITEM ARIVED QUICKLY AND GOOD PRODUCT
    Show per page
    Save £21.87 compared to the genuine Brother cartridge!
    Page yield:
    1. 1,500 pages

    Pack Contains:

    Black - 1,500 pages

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

    • Black toner cartridge
    • Premium brand toner cartridge

      These cartridges are a direct replacement for the version. Manufactured to strict quality standards, our premium cartridges product high quality prints and are very reliable.

    • Premium brand toner cartridge

      These cartridges are a direct replacement for the version. Manufactured to strict quality standards, our premium cartridges product high quality prints and are very reliable.

    • 3-year warranty
      3-year warranty on our own-brand cartridges
      We are proud of our own-brand cartridges, so we’ve made trying them a no-brainer. If within three years of purchase you have any problem whatsoever, we’ll happily offer either a replacement or a refund.
      Returning items is easy—it takes just a few minutes. But our return rate is very low, so you’ll be unlikely to need it.
      We are confident that no other own-brand cartridges are better than ours. They produce vibrant prints with accurate colour densities and dark blacks—and their page yields are as good as the genuines, if not better. Give them a try, and see why our customers love them.
      Our own-brand cartridges are incredibly reliable for three reasons:
      1. We are the UK’s biggest seller of own-brand cartridges, and we have invested a lot in optimising them.
      2. We are dedicated to quality. Every own-brand cartridge is performance-tested before it leaves the factory.
      3. We constantly monitor customer feedback, and quickly resolve any issues.
    • Printer protection guarantee
      Our cartridges won't damage your printer—guaranteed
      Some people worry that own-brand cartridges might damage their printers. We know from experience that ours don’t.
      To reassure you, we guarantee that we’ll repair or replace your printer—for free—in the unlikely event that it gets damaged by an own-brand cartridge. This is regardless of how old your printer is. We can afford to offer this because problems are almost unheard of.
      Some people whose printers are less than a year old worry that an own-brand cartridge might invalidate the manufacturer’s warranty. This isn’t true. By law, the manufacturers aren’t allowed to invalidate your warranty if you use own-brand cartridges. If something does go wrong, and our own-brand cartridges are to blame, we’ll take over the manufacturer’s warranty, offer you phone support and repair or replace your printer if needed.

      In summary, there’s zero risk in using our own-brand cartridges.
    1.5p per page

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

    1. 1,500 pages
    Page yield:
    1. 1,500 pages

    Pack Contains:

    Black - 1,500 pages

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

    £22.75

    FREE next-day delivery

    Multi-buy discount
    • Buy more, save money
    • 2 £20.00
    • 3+ £18.83
    Page yield:
    1. 1,500 pages

    Pack Contains:

    Black - 1,500 pages

    For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

      • Black toner cartridge
      • Premium brand toner cartridge

        These cartridges are a direct replacement for the version. Manufactured to strict quality standards, our premium cartridges product high quality prints and are very reliable.

      • Premium brand toner cartridge

        These cartridges are a direct replacement for the version. Manufactured to strict quality standards, our premium cartridges product high quality prints and are very reliable.

      • 3-year warranty
        3-year warranty on our own-brand cartridges
        We are proud of our own-brand cartridges, so we’ve made trying them a no-brainer. If within three years of purchase you have any problem whatsoever, we’ll happily offer either a replacement or a refund.
        Returning items is easy—it takes just a few minutes. But our return rate is very low, so you’ll be unlikely to need it.
        We are confident that no other own-brand cartridges are better than ours. They produce vibrant prints with accurate colour densities and dark blacks—and their page yields are as good as the genuines, if not better. Give them a try, and see why our customers love them.
        Our own-brand cartridges are incredibly reliable for three reasons:
        1. We are the UK’s biggest seller of own-brand cartridges, and we have invested a lot in optimising them.
        2. We are dedicated to quality. Every own-brand cartridge is performance-tested before it leaves the factory.
        3. We constantly monitor customer feedback, and quickly resolve any issues.
      • Printer protection guarantee
        Our cartridges won't damage your printer—guaranteed
        Some people worry that own-brand cartridges might damage their printers. We know from experience that ours don’t.
        To reassure you, we guarantee that we’ll repair or replace your printer—for free—in the unlikely event that it gets damaged by an own-brand cartridge. This is regardless of how old your printer is. We can afford to offer this because problems are almost unheard of.
        Some people whose printers are less than a year old worry that an own-brand cartridge might invalidate the manufacturer’s warranty. This isn’t true. By law, the manufacturers aren’t allowed to invalidate your warranty if you use own-brand cartridges. If something does go wrong, and our own-brand cartridges are to blame, we’ll take over the manufacturer’s warranty, offer you phone support and repair or replace your printer if needed.

        In summary, there’s zero risk in using our own-brand cartridges.
    £22.75

    FREE next-day delivery

    Multi-buy discount
    • Buy more, save money
    • 2 £20.00
    • 3+ £18.83

Customer Questions & Answers

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Great Value Brother MFC-7840W Toner Cartridges

Brother looked to offer something new in the monochome laser printer market when they released the MFC-7840W. This compact all-in-one printer which has print,copy, scan and fax functions was claimed to be the only 4 in one MFP with built-in wireless networking. The MFC-7840W can also use wired connections such as USB and features a 50-sheet ADF and 250-sheet input tray. Print speeds are rated at up to 22ppm and the Brother MFC-7840W uses separate toner and drum cartridges to allow for full depletion of the toner cartridges before a replacement is required. If you are currently running short on toner then you may want to consider the range of cheap Brother MFC-7840W cartridges on offer at Cartridge Save. We stock both original and compatible black Brother MFC7840W toner cartridges that are bound to save you money when compared to paying inflated high street prices. We also regularly compare our prices online for Brother MFC 7840W toner and are confident that we will be able to find you the best deal.

Money Back Guarantee As Standard

It is always completely risk free to shop with us because we operate a no quibbles return policy. In rare circumstances where you are genuinely unsatisfied with one of our products you have the protection of our money back guarantee so you can easily obtain a full refund. Such instances are few and far between considering the exceptional build quality of our Brother MFC-7840W toners although it is always better to have our extra quality assurance when you order online. To complete our award winning customer service we dispatch your Brother MFC-7840W cartridges with free next day delivery so you can save valuable time and money. Don't miss out on cheaper Brother toners and enjoy the extra reliability of ordering your supplies from Cartridge Save.

Brother MFC-7840W Printer Review

Expert review of the Brother MFC-7840W printer

Our Verdict:

The Brother MFC-7840W is an excellent printer for the small to medium sized business that requires print speeds of up to 23 pages per minute. This laser monochrome printer can print in a resolution of up to 2,400 x 600 dpi. Faxing is done at speeds of 33.6 Kbps and also includes fax forwarding, automatic redial, dual access, and auto fax reduction. Copies can be reduced 25 percent or increased up to 400 percent. Scanning can be done at a optical resolution of up to 600 x 2,400 dpi.

Design

This printer is decked out in an elegant black enclosure that has dimensions of 42.92 cm in width, 39.62 cm in depth, and a height of 30.48 cm. It is also very transportable at a weight of only 11.11 kg. The Brother MFC-7840W toner printer has a 250 sheet input capacity, but does not come with optional cassettes for more paper. The output tray on this printer can hold up to 100 sheets. This printer also uses either USB or Ethernet as its standard interface. For storage, the Brother MFC-7840W uses 32 MB that cannot be upgraded due to a lack of expansion slots. It is able to run at 460 watts and reduces power consumption down to 10 watts in sleep mode.

Advantages

The Brother MFC-7840W also comes with a mobile device printing application that allows users to print from an Android smartphone. This printer will put out a reasonable monthly duty cycle of 10,000 pages if it is pushed to the limit. Brother MFC-7840W toner is can produce 1,500 pages before needing to be replaced, but higher capacity Brother MFC-7840W toner is available with a 2,600 page yield. The Brother MFC-7840W also comes with 1200 IQ to enhance images and reproduce colours accurately and can also be connected wirelessly with a built-in 802.11b/g wireless network card that is installed.

Disadvantages

This printer is quite complete but lacks colour printing. Another minor disadvantage one can find with this printer is its lack of duplex printing, which allows printing on both sides of a document. However, the Brother MFC-7840W is moderately priced and is worth it for its rapid printing power.