Printerland Logo
Mon - Fri 9:00am - 5:30pm Sales:0800 840 1992 Customer Service:0800 995 1992
Basket
Basket 0
 
OKI ML321 Dot Matrix Printer Accessories

OKI ML321 Dot Matrix Printer Accessories

Ask a Question
OKI RS232 Serial Interface

09002351

OKI RS232 Serial Interface
  • Genuine Original OKI Product
Business Price
£145.00 ex VAT @ 20%
£174.00 inc VAT
Out of Stock
OKI RS422 Interface

9002357

OKI RS422 Interface
  • Genuine Original OKI Product
Business Price
£86.90 ex VAT @ 20%
£104.28 inc VAT
Out of Stock
OKI Current Loop Interface

09000684

OKI Current Loop Interface
  • Genuine Original OKI Product
Business Price
£70.00 ex VAT @ 20%
£84.00 inc VAT
Out of Stock

**Page yields are declared by the manufacturer in accordance with ISO/IEC standards or occasionally estimated based on 5% per page coverage. Yields will vary greatly depending on image, area coverage, print mode and environmental conditions.

Upgrading your office, factory, school or lab's dot matrix printer doesn't need to be difficult or expensive, thanks to our wide selection of OKI ML321 Dot Matrix Printer Accessories. As well as being cheap and reliable, they also mean you can get more from your printer without having to buy a new machine altogether.

Expand your OKI printer's capabilities

Dot matrix printers are a great no-nonsense printing solution for busy locations that need to handle a lot of printed data. Replacing legacy hardware or upgrading computer systems can often leave these great machines redundant, but luckily there are a few simple add-ons that make connecting new technology to dot matrix printers easy. We stock both current loop and RS422 interface cards, as well as a serial interface card, so you can get hooked up without any additional hassle.

OKI for quality

OKI have a reputation for manufacturing great workhorse printers, and this reputation extends to their accessories and enhancements. This is why we only ever stock genuine OKI products, so you'll only ever receive a product that is both easy to install and covered by a manufacturer's warranty. OKI products are also environmentally friendly, so your carbon footprint won't be affected when the product's lifespan comes to an end.

Genuine OKI products

Let's face it, new printer accessories are never a priority, especially in offices where IT budgets are tight (or even non-existent). This is where going for a cheaper alternative may make sense from a cost-saving perspective, but you could actually end up spending more money in the long run. As well as not being guaranteed to be compatible with your printer, cheap low-quality alternatives may even cause damage to your machine over time, resulting in expensive repair bills or even a replacement. Avoid having to pay any more than you should by only sticking to genuine OKI parts and accessories.

Questions & Answers

Customer Question & Answers

Can't find the answer you're looking for? Our printer experts are here to help!
Ask a Question

Why buy from us?

  • Printer Experts Printer Experts Printer Experts
    30+ Printer Experts Ready to Take Your Call

    Our average call answer time is just 3 phone rings

    Mon - Fri 9:00am - 5.30pm

  • Trusted Service
    Over 30 Years of Trusted Service

    Established in 1993 we have grown to be the largest independent reseller of printers and consumables in the UK

  • UK tax payer
    Proud to be a UK Tax-Payer

    Printerland is registered in England and Wales with a UK based call centre, making it even easier to get the support you need.

  • Printer Experts
    Our Customers Love Us!

    Join thousands of happy customers today and enjoy the best service your business deserves.

Why Buy from Printerland?

Popular Searches

Most Popular Printers

  • 99+ In Stock
    Xerox C315
    Xerox C315 A4 Colour Multifunction Laser Printer
    (105)
    • £40 Cashback or £80 Cashback with CMYK Toner Pack
    • Free 2 Year On-Site Warranty and Extend up to 5 Years*
    • Ships with 1.5K Black and 1K CMY Toner Cartridges*
    • Lowest Running Costs in its Class
    Business Price £395.00
    ex VAT @ 20%     £474.00
    inc VAT
      Free Next Day Delivery*
    View
  • 99+ In Stock
    HP Color LaserJet Pro MFP 4302dw
    HP Color LaserJet Pro MFP 4302dw A4 Colour Multifunction Laser Printer
    (50)
    • £80 Cashback
    • 40 Day Buy & Try Offer
    • Free 3 Year Warranty
    Business Price £249.08
    ex VAT @ 20%     £298.90
    inc VAT
      Free Next Day Delivery*
    View
  • 5 In Stock
    Epson EcoTank ET-2814
    Epson EcoTank ET-2814 A4 Colour Multifunction Inkjet Printer
    (33)
    • Free 3 Year Warranty
    • 0.2p per Mono Page, 0.5p per Colour Page*
    • Shipped with 3.6K Black & 6.5K CMY Inks*
    Business Price £150.99
    ex VAT @ 20%     £181.19
    inc VAT
      Free Next Day Delivery*
    View
  • 99+ In Stock
    HP LaserJet Pro 4002dn
    HP LaserJet Pro 4002dn A4 Mono Laser Printer
    (21)
    • £75 Cashback
    • 40 Day Buy & Try Offer
    • Free 3 Year Warranty
    • Just £53.25 ex VAT after Cashback
    Business Price £115.75
    ex VAT @ 20%     £138.90
    inc VAT
      Free Next Day Delivery*
    View
  • Xerox B225
    Xerox B225 A4 Mono Multifunction Laser Printer
    (69)
    • £20 Cashback
    • Free 2 Year On-Site Warranty*
    Business Price £154.98
    ex VAT @ 20%     £185.98
    inc VAT
    View
  • 38 In Stock
    Xerox VersaLink C400DN
    Xerox VersaLink C400DN A4 Colour Laser Printer
    (60)
    • Up to 5 Years On-Site Warranty*
    • Ships with 2k Colour & 3k Black Toner*
    Business Price £348.67
    ex VAT @ 20%     £418.40
    inc VAT
      Free Next Day Delivery*
    View
  • 99+ In Stock
    Kyocera ECOSYS M5526cdw
    Kyocera ECOSYS M5526cdw A4 Colour Multifunction Laser Printer
    (78)
    • Free 2 Year On-Site Warranty
    • Lowest Running Costs in its Class
    Business Price £380.00
    ex VAT @ 20%     £456.00
    inc VAT
      Free Next Day Delivery*
    View
  • 99+ In Stock
    HP OfficeJet Pro 9010e
    HP OfficeJet Pro 9010e A4 Colour Multifunction Inkjet Printer with HP Plus
    (40)
    • Printerland Exclusive
    • Up to 3 Years Extended Warranty*
    • Free 6 Month Instant Ink Trial*
    • Eligible for HP Plus
    Business Price £119.08
    ex VAT @ 20%     £142.90
    inc VAT
      Free Next Day Delivery*
    View
Subscribe for Special Offers
Receive all our latest discounts

Keep me up to date with the latest discounts at Printerland by email.

View Our Privacy Policy
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Thank you!

We will be in touch soon with our latest special offers.
In the meantime, use code SIGNUP5 to get 5% off all ink and toner cartridges.

Recently Viewed
Compare Products
FREE Next Day Delivery on all Orders Over £125
Free Next Business Day Delivery
Available on all orders over £125.00 + VAT on the UK mainland

Most items are shipped to you via ‘Next Working Day’ courier service. The cut-off for next working day delivery is 4:30pm. In the event of an item not being available via this service, we will endeavour to contact you at the earliest opportunity.

We also deliver to the Channel Islands, Scottish Islands, Isle of Man, Northern Ireland and Eire. Areas such as the Scottish Highlands or where a body of water is crossed are subject to a 2-3 working day delivery time.

Please note, we are always charged a levy by the courier if an area of sea is crossed. For our full list of delivery charges please click the following link: Delivery Charges

No guarantees are given for next day delivery. However, our mission is to achieve this where possible.

  • 100% Genuine Manufacturer Cartridges
  • FREE Next Day Delivery On Orders Over £125 ex VAT*
  • Genuine Cartridges Protect Your Warranty
The Printerland Promise...
We Won't Be Beaten on Price! We check our closest competitors every day to make sure you get the best deal possible!
If you still find anyone cheaper, we'll match the price on request..

Even on ink and toner cartridges!

To request a price match, call us on 0800 840 1992 or email us at
  • The competitor must have the identical product in stock and available immediately to the general public.
  • Offer does not include stock based outside of the UK.
  • The competitors product price must include any charges for next day delivery.
  • Offer does not apply to special order items, special offers, cash-backs, display models, clearance sales, refurbished printers, typographical errors and exclusive or limited quantity items.
  • Printerland cannot match the price where a manufacturer or distributor sells directly to the public
  • We reserve the right to verify or ask for written proof of a competitors offer before we beat the price.
  • The price promise cannot be used in conjunction with any other offer.
  • Price matches must be agreed prior to the purchase being made.
  • Any price match will be limited to one unit per customer within a 30 day period.
  • Where special offers provided by Printerland and/or the manufacturer applies, the competitor must also be providing the same offer/s for the price match to be valid.
  • 100% Genuine Manufacturer Cartridges
  • FREE Next Day Delivery On Orders Over £125 ex VAT*
  • Genuine Cartridges Protect Your Warranty

Price applicable to business customers and those eligible to recover VAT.

VAT is payable at a rate of 20%

This calculation is based on current pricing which is subject to change over time and excludes the cost of additional long life components such as drums, fusers or other maintenance items.

*Page yields are declared by the manufacturer in accordance with ISO/IEC standards or occasionally estimated based on 5% coverage. Yield will vary greatly depending on image, area coverage, print mode and environmental conditions.

*Page yields are declared by the manufacturer in accordance with ISO/IEC standards or occasionally estimated based on 5% per page coverage. Yields will vary greatly depending on image, area coverage, print mode and environmental conditions.

Manage your consent preferences cookie policy
  • Essential Cookies
    These are necessary for basic website functionality and to keep your data secure.
  • Performance Cookies (for a better experience)
    These help us improve your experience on this website and allow us to better recommend items and services based on your choices.
  • Functional Cookies (for the best experience)
    These recognise the items you have chosen to help you see similar products across other Printerland services.
  • Marketing Cookies (for your future visits)
    If you see one of our ads across the web, these cookies ensure they are relevant to you based on your choices when shopping with us.
;