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FREE next-day delivery on everything
Order before 5:15pm to receive tomorrow

Delivery Options

TimescaleMethodCharge
Free next-day 98% of orders arrive the next working day Royal Mail 1st class * FREE
Guaranteed next-day Guaranteed to arrive on the next working day

Guaranteed next-day

In the extremely unlikely event that the courier does not attempt delivery on the next working day, you will be given:

- A 10% refund of the total order value

- A refund of £2.95 next-day courier charge

- A further voucher giving you 10% off your next order

Guaranteed next-day

In the extremely unlikely event that the courier does not attempt delivery on the next working day, you will be given:

- A 10% refund of the total order value

- A refund of £2.95 next-day courier charge

- A further voucher giving you 10% off your next order

 Courier £2.95
Guaranteed pre-12 Guaranteed to arrive before 12 noon on the next working day

Guaranteed pre-12

In the extremely unlikely event that the courier does not attempt delivery 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 pre-12 courier charge

- A further voucher giving you 10% off your next order

Guaranteed pre-12

In the extremely unlikely event that the courier does not attempt delivery 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 pre-12 courier charge

- A further voucher giving you 10% off your next order

 Courier £7.95

* Depending on size and value, some orders may be upgraded from Royal Mail to Courier.


Delivery Schedule

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

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
and FREE next-day 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.

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

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 everything

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

Whatever the reason for returning items 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

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.

OKI B840 Toner Cartridges
OKI B840 Toner Cartridges

OKI B840 Toner Cartridges

The following 2 products are guaranteed to work in your OKI B840 printer:

2 products guaranteed to work in your printer:

2 products guaranteed to work in your OKI B840 printer:

Got a question about products for this printer?
Ask a question

 
Black toner cartridges for OKI B840 printer

  1. Genuine OKI
    Genuine Black OKI 44661802 Toner Cartridge - (44661802 Laser Printer Cartridge)
    Genuine Black OKI 44661802 Toner Cartridge - (44661802 Laser Printer Cartridge)
    1.0p per page (1 pack) 1.0p per page Pack of 1 toner cartridges

    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.

    20,000 pages

    Pack Contains:

    Black - 20,000 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 guaranteed

      If within 7 days of buying a product from us, you find the same product cheaper at any other UK online store, we will refund you with 100% of the difference.

    • Lowest online price guaranteed

      Lowest online price guaranteed

      If within 7 days of buying a product from us, you find the same product cheaper at any other UK online store, we will refund you with 100% of the difference.

    • 12 month guarantee and FREE returns

      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.

    • 12 month guarantee and FREE returns

      12 month guarantee and FREE returns

      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.

    Product details
    1.0p 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.

    20,000 pages
    Genuine Black OKI 44661802 Toner Cartridge - (44661802 Laser Printer Cartridge)
    1.0p per page (1 pack) 1.0p per page Pack of 1 toner cartridges

    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.

    20,000 pages

    Pack Contains:

    Black - 20,000 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.

    £194.90 (£233.88 inc VAT)

    FREE next-day delivery

    Multi-buy discount
    • Buy more, save money
    • 2 £192.41 (£230.89 inc VAT)
    • 3+ £191.45 (£229.74 inc VAT)
    1 pack | 1.0p per page

    Pack Contains:

    Black - 20,000 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 guaranteed

      If within 7 days of buying a product from us, you find the same product cheaper at any other UK online store, we will refund you with 100% of the difference.

    • Lowest online price guaranteed

      Lowest online price guaranteed

      If within 7 days of buying a product from us, you find the same product cheaper at any other UK online store, we will refund you with 100% of the difference.

    • 12 month guarantee and FREE returns

      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.

    • 12 month guarantee and FREE returns

      12 month guarantee and FREE returns

      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.

    £194.90 (£233.88 inc VAT)

    FREE next-day delivery

    Multi-buy discount
    • Buy more, save money
    • 2 £192.41 (£230.89 inc VAT)
    • 3+ £191.45 (£229.74 inc VAT)

 
Maintenance items for OKI B840 printer

  1. Genuine OKI
    Genuine Oki 44707602 Fuser Unit - (44707602)
    Genuine Oki 44707602 Fuser Unit - (44707602)
    • Fuser kit
    • Lowest online price guaranteed

      If within 7 days of buying a product from us, you find the same product cheaper at any other UK online store, we will refund you with 100% of the difference.

    • Lowest online price guaranteed

      Lowest online price guaranteed

      If within 7 days of buying a product from us, you find the same product cheaper at any other UK online store, we will refund you with 100% of the difference.

    • 12 month guarantee and FREE returns

      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.

    • 12 month guarantee and FREE returns

      12 month guarantee and FREE returns

      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.

    Product details
    Genuine Oki 44707602 Fuser Unit - (44707602)
    £172.98 (£207.58 inc VAT)

    FREE delivery

    Multi-buy discount
    • Buy more, save money
    • 2 £170.68 (£204.82 inc VAT)
    • 3+ £169.79 (£203.75 inc VAT)
    • Fuser kit
    • Lowest online price guaranteed

      If within 7 days of buying a product from us, you find the same product cheaper at any other UK online store, we will refund you with 100% of the difference.

    • Lowest online price guaranteed

      Lowest online price guaranteed

      If within 7 days of buying a product from us, you find the same product cheaper at any other UK online store, we will refund you with 100% of the difference.

    • 12 month guarantee and FREE returns

      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.

    • 12 month guarantee and FREE returns

      12 month guarantee and FREE returns

      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.

    £172.98 (£207.58 inc VAT)

    FREE delivery

    Multi-buy discount
    • Buy more, save money
    • 2 £170.68 (£204.82 inc VAT)
    • 3+ £169.79 (£203.75 inc VAT)

Customer Questions & Answers

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Questions asked between 9am and 5pm, Monday to Friday excluding bank holidays will be answered within 30 minutes.
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Most popular Oki printers

OKI B840 Printer Review

Expert review of the OKI B840 printer

Our Verdict:

This series of workplace printers from Oki is wonderfully versatile and very reliable, and would be a great addition to any small or mid-sized office that wants great printing results without having to sacrifice too much space. Despite being able to print up to A3, the Oki B840 range has a footprint of an A4 printer, and will easily fit on any desktop of work surface. It is also very easily integrated, making it simple to use and a good choice for shared working areas as well traditional office spaces.

Design

One of the main benefits of this range of printers from Oki is its small size. The Oki B840 measures just 14.68 x 19 x 17.7 inches and weighs a minimum of 24kg. The B840dn and B840dtn are both slightly larger and heavier than the B840n due to their extra features, but they are both appropriately sized for small and mid-sized offices. The Oki B840 features a digital LCD display that is easy to use.

Advantages

The Oki B840 range’s main advantages are its small size and its reliability, combined with its low running costs. This small machine can produce the same high-quality prints at similar print speeds as many printer models that are up to twice the size, and offers money saving options by giving you the opportunity to print high quality business cards, documents and labels in-house. This mono printer has a print speed of 40ppm in A4 and 22ppm in A3, and a print resolution of 1200 x 1200 dpi. The B840dn comes with integrated duplex printing as standard, while the B840dtn also comes with duplex, networking and an extra tray.

Disadvantages

The Oki B840 is strictly a mono printer so colour graphs, charts and images will need to be printed on a second machine. The LCD is simple and only offers minimal information, unlike the touchscreen displayed found on more modern competitors to the Oki B840.