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FREE next-day delivery on everything
Order now to receive on Monday

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.

Genuine Extra High Capacity Black Epson T7891 XXL Ink Cartridge - (C13T789140)

98.181818181818%
11 reviews

Average Customer Review:

  1. 5 Star 10
  2. 4 Star 1
  3. 3 Star 0
  4. 2 Star 0
  5. 1 Star 0
See all 11 reviews
| 1 answered question
Genuine Extra High Capacity Black Epson T7891 XXL Ink Cartridge - (C13T789140)
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.

4,000 pages

Pack Contains:

Black - 4,000 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.

High Capacity
£41.36 (£49.63 inc VAT)

FREE next-day delivery

Multi-buy discount
  • Buy more, save money
  • 2 £40.74 (£48.89 inc VAT)
  • 3+ £40.42 (£48.50 inc VAT)
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.

4,000 pages

Pack Contains:

Black - 4,000 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.

High Capacity
  • 98.181818181818%
    11 reviews

    Average Customer Review:

    1. 5 Star 10
    2. 4 Star 1
    3. 3 Star 0
    4. 2 Star 0
    5. 1 Star 0
    See all 11 reviews
    | 1 answered question
  • 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.

  • Will this item work in my printer?
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.

4,000 pages
  • 4,000 pages
High Capacity

Looking for compatibles?

Cartridge Save Premium alternative

Compatible Extra High Capacity Black Epson T7891 XXL Ink Cartridge - (Replaces C13T789140)
£14.48 (£17.38 inc VAT)
0.4p 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.

0.4p 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.
Cartridge Save brand 12 month guarantee

Cartridge Save premium
recycled toner cartridges

Made using recycled Canon cartridges, these cartridges are a direct replacement for the Canon versions, and are guaranteed to produce high-quality prints.

12 month guaranteed

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

Free returns

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

Product Description

Product Description

Genuine T7891 Extra High Capacity Black Inkjet Cartridge

The original Epson T7891 ink cartridge is ideal for busy offices as it’s filled to the maximum capacity with high quality black ink. Thanks to its extra high capacity of approximately 4,000 pages, the Epson T7891 printer cartridge doesn’t need frequent replacement and can even improve workflow. Using DURABrite Ultra Ink, the genuine Epson T7891 XXL black cartridge delivers resin coated pigments for an even finish. You can produce laser-quality texts or smooth black and white images using the Epson C13T789140 ink. What’s more, the genuine Epson T7891 black cartridge delivers quick-drying ink for smudge-free prints.


Purchase Black Epson C13T789140 Ink For Less At Cartridge Save

If you want to get excellent value for your money, buy the black extra high capacity Epson T7891 XXL ink here at Cartridge Save. We offer free next day delivery for the genuine Epson C13T789140 black ink. In addition, a low-price guarantee is offered for this cheap Epson T7891 XXL extra high yield black ink as well as other products. You may use any major credit card to buy the genuine T7891 black ink from Cartridge Save. If you need assistance in getting the extra high capacity black cartridge C13T789140, you may contact our dedicated customer service team by phone.

Product Specification

Product Specification

More Information
Manufacturer Part No.:T7891, C13T789140, T7891 XXL, 79XXL
Duty Cycle:Approx. 4,000 pages @ 5% average coverage
Brand:Epson
Colour:Extra High Capacity Black
Product Type:Ink Cartridge

Looking for compatibles?

Cartridge Save Premium alternative

Compatible Extra High Capacity Black Epson T7891 XXL Ink Cartridge - (Replaces C13T789140)
£14.48 (£17.38 inc VAT)
0.4p 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.

0.4p 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.

Other cartridges and multipacks in this range

Genuine Epson T6710 Maintenance Box - (C13T671000)
Genuine Epson T6710 Maintenance Box
£18.93 (£22.72 inc VAT)
Genuine 4 Colour High Capacity Epson 79XL Ink Cartridge Multipack - (T7901/ T7902/ T7903/ T7904 Tower of Pisa Inkjet Printer Cartridges)
Genuine 4 Colour High Capacity Epson 79XL Ink Cartridge Multipack
£96.02 (£115.22 inc VAT)
Genuine High Capacity Black Epson 79XL Ink Cartridge - (Tower of Pisa T7901 Inkjet Printer Cartridge)
Genuine High Capacity Black Epson 79XL Ink Cartridge
£27.58 (£33.10 inc VAT)
Genuine High Capacity Cyan Epson 79XL Ink Cartridge - (Tower of Pisa T7902 Inkjet Printer Cartridge)
Genuine High Capacity Cyan Epson 79XL Ink Cartridge
£24.24 (£29.09 inc VAT)
Genuine High Capacity Magenta Epson 79XL Ink Cartridge - (Tower of Pisa T7903 Inkjet Printer Cartridge)
Genuine High Capacity Magenta Epson 79XL Ink Cartridge
£24.24 (£29.09 inc VAT)
Genuine High Capacity Yellow Epson 79XL Ink Cartridge - (Tower of Pisa T7904 Inkjet Printer Cartridges)
Genuine High Capacity Yellow Epson 79XL Ink Cartridge
£24.24 (£29.09 inc VAT)
Genuine 4 Colour Epson 79 Ink Cartridge Multipack - (T7911/ T7912/ T7913/ T7914 Tower of Pisa inkjet Printer Cartridges)
Genuine 4 Colour Epson 79 Ink Cartridge Multipack
£55.58 (£66.70 inc VAT)
Genuine Black Epson 79 Ink Cartridge - (Tower of Pisa T7911 Inkjet Printer Cartridge)
Genuine Black Epson 79 Ink Cartridge
£15.67 (£18.80 inc VAT)
Genuine Cyan Epson 79 Ink Cartridge - (Tower of Pisa T7912 Inkjet Printer Cartridges)
Genuine Cyan Epson 79 Ink Cartridge
£14.46 (£17.35 inc VAT)
Genuine Magenta Epson 79 Ink Cartridge - (Tower of Pisa T7913 Inkjet Printer Cartridges)
Genuine Magenta Epson 79 Ink Cartridge
£14.75 (£17.70 inc VAT)
Genuine Yellow Epson 79 Ink Cartridge - (Tower of Pisa T7914 Inkjet Printer Cartridges)
Genuine Yellow Epson 79 Ink Cartridge
£14.46 (£17.35 inc VAT)
Genuine Extra High Capacity 4 Colour Epson T789 Ink Cartridge Multipack - (T7891/T7892/T7893/7894)
Genuine Extra High Capacity 4 Colour Epson T789 Ink Cartridge Multipack
£156.58 (£187.90 inc VAT)
Genuine Extra High Capacity Cyan Epson T7892 XXL Ink Cartridge - (C13T789240)
Genuine Extra High Capacity Cyan Epson T7892 XXL Ink Cartridge
£46.37 (£55.64 inc VAT)
Genuine Extra High Capacity Magenta Epson T7893 XXL Ink Cartridge - (C13T789340)
Genuine Extra High Capacity Magenta Epson T7893 XXL Ink Cartridge
£37.58 (£45.10 inc VAT)
Genuine Extra High Capacity Yellow Epson T7894 XXL Ink Cartridge - (C13T789440)
Genuine Extra High Capacity Yellow Epson T7894 XXL Ink Cartridge
£38.03 (£45.64 inc VAT)

Product Information

Product Description

Genuine T7891 Extra High Capacity Black Inkjet Cartridge

The original Epson T7891 ink cartridge is ideal for busy offices as it’s filled to the maximum capacity with high quality black ink. Thanks to its extra high capacity of approximately 4,000 pages, the Epson T7891 printer cartridge doesn’t need frequent replacement and can even improve workflow. Using DURABrite Ultra Ink, the genuine Epson T7891 XXL black cartridge delivers resin coated pigments for an even finish. You can produce laser-quality texts or smooth black and white images using the Epson C13T789140 ink. What’s more, the genuine Epson T7891 black cartridge delivers quick-drying ink for smudge-free prints.


Purchase Black Epson C13T789140 Ink For Less At Cartridge Save

If you want to get excellent value for your money, buy the black extra high capacity Epson T7891 XXL ink here at Cartridge Save. We offer free next day delivery for the genuine Epson C13T789140 black ink. In addition, a low-price guarantee is offered for this cheap Epson T7891 XXL extra high yield black ink as well as other products. You may use any major credit card to buy the genuine T7891 black ink from Cartridge Save. If you need assistance in getting the extra high capacity black cartridge C13T789140, you may contact our dedicated customer service team by phone.

Product Specification

More Information
Manufacturer Part No.:T7891, C13T789140, T7891 XXL, 79XXL
Duty Cycle:Approx. 4,000 pages @ 5% average coverage
Brand:Epson
Colour:Extra High Capacity Black
Product Type:Ink Cartridge

Customer Questions & Answers

Customer Questions & Answers

Can't find the answer you're looking for? Ask us a question we're happy to help!

We are currently answering questions in: 8 minutes

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

  • Hi, I want to ask if you can you send your product to Bulgaria?

    Epson T7891 ink delivery

    Sorry, we can only deliver this original Epson T7891 XXL ink cartridge within the UK.

    Answered by Denise Mannion (Staff Member) - about 3 years ago

Customer Reviews

Customer Reviews and Ratings

  1. 5 Star 10
  2. 4 Star 1
  3. 3 Star 0
  4. 2 Star 0
  5. 1 Star 0
See all 11 reviews

Average Customer Review:
98.181818181818%
11 reviews

Customer Reviews
  1. 100%

    By Hazel Collier on

    Does what it says on the tin. Cartridges always work well, delivery is quick and ordering from Cartridge Save is hassle-free with good prices. Happy to recommend.
  2. 100%

    By Eeva on

    Speedy delivery as always and the product great, just as described. The price was right. I would recommend cartridgesave.
  3. 100%

    By Elliboy on

    Great service and good prices from this company
  4. 100%

    By Hazel on

    No hassle, good price, quick delivery, happy to recommend.
  5. 100%

    By John Hutchinson on

    Excellent service with speedy delivery and product exactly as described.
  6. 100%

    By John on

    Very speedy delivery
  7. 100%

    By tc on

    lasts well no problems with the printer
  8. 100%

    By tc on

    lasts well no problems with printer
  9. 100%

    By tc on

    lasts well no problems with printer
  10. 100%

    By TC on

    Great product there is much debate about using genuine ink they are expensive. They do work and so far no adverse effects on the computer.
  11. 80%

    By George Kent on

    Does exactly what is required in a busy office where the printer is always in use.

Compatibility

This item is guaranteed to work in the following printers

Guaranteed to work in the following printers

To see a full list of products that work in your printer, click on the model name below: