Get A Quote for Oki B431DN

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Please select the services your require for your Oki B431DN


  • Fixed price printer repairs plus parts if required. unlimited time on site unless an hourly rate has been quoted.
  • If parts are required you will not be charged another callout charge just the price to supply and fit the part plus delivery.
  • 3 months parts and service warranty as long as the fault is the same or a part we have purchased and installed for you has become faulty.

Select a date and time for your repair.

Additional information, info if hard to find, times to avoid ect


Related Oki B431DN Spares

  • Oki 44917602 Black Toner Cartridge
  • Oki 44574302 Drum Unit

Our Services

Managed Print Service

Are you paying too much for your MPS or are you looking to start one? Give us a list of your printers and we will provide you with a quote – it’s as simple as that!

We can offer traditional managed print service in which all parts, consumables and labour are included or a tailor made service where you may only want the...

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Toner Contracts

We will offer you free printer repairs when you use our bronze level contract in return for your toner business. You will find our prices similar to what you are currently paying for your toners but with the added benefit of free labour no one else offers this.

Free printer repairs when you buy our toners

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HP Plotter Designjet repair

Plotter Repair HP, Canon, Epson

Our engineer specialises in not only HP Designjet plotter repairs and services but also Canon and Epson plotters. Our engineers will always clean, service and provide a report with current and future issues that may occur due to coming to end of life consumables

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Oki Printer Repairs & Maintenance

We know how crucial your printer is to your business. We know that any printer downtime is, any many instances, lost time.

When it comes to Oki printers, a world-renowned and reputable band, we know from experience that most breakdowns comes as a complete shock. After trying the usual troubleshooting methods most business owners don’t know what to do. It wasn’t expected.

They have a thousand questions going around in their head:

  • Who can repair this?
  • Who is qualified to deal with Oki printers?
  • Can we get someone local who can see to it quickly?
  • How much will this cost?
  • What guarantees will we get if we get someone to repair it?
  • Shall we just replace it?

For over 20 years we have been answering all of these questions. Repairing and maintaining Oki printers has become a large part of our business and, as a result, we have customers all over the country who call us first when they have a problem.

We only ever use local, qualified engineers who can service your printer quickly. We know that time is valuable for you. Most of our repairs are done on the same or next day, after you have got in touch with us. We won’t stop at basic repairing, either. As part of our unparalleled service we will also undertake a thorough multi-point test procedure, identifying all of the printer parts and components that might be a problem in the future. We’ll back this up with a comprehensive report so you’re aware. Given the generally unforeseen nature of printer breakdowns we feel that prevention is always the best course of action where possible. After we’re done we will clean your printer inside and out. You’ll never know we were there.

If you want a quote simply scroll up, input your printer model into the dropdown menu on the right-hand side of the page and follow the instructions. We can also help with Designjet repairs, Oki scanner repairs, Oki MFD repairs and plotter repairs.

As for guarantees, we’re so confident about the work that we do offer a 3 month warranty on labour and parts for the same fault. If you have the same problem again we will sort it out for free.

Get in touch

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What our Clients say

Great service, they came when they said they would and got me back up and running the same day will certainly us... William A -
Diamondsource Printer Repairs really know their pr...
We have used Diamondsource to supply and maintain...
Diamondsource ltd has kept our printers up and run...
Diamondsource has saved me on several occasions, t...

Oki Printer Models

Oki B2200Oki B2400Oki B2400NOki B2500Oki B2500MFPOki B2520Oki B2520MFPOki B2540Oki B2540MFPOki B401Oki B401DOki B401DNOki B410Oki B4100Oki B410DOki B411DOki B411DNOki B4200Oki B4250Oki B430Oki B4300Oki B4300NOki B430DOki B430DNOki B431DOki B431DNOki B4350Oki B4350NOki B440Oki B4400Oki B4400NOki B440DNOki B4520Oki B4525Oki B4525MFPOki B4540Oki B4545Oki B4545MFPOki B4600Oki B4600 PSOki B4600NOki B4600N PSOki B6100Oki B6200Oki B6250Oki B6250DNOki B6250NOki B6300Oki B6500Oki B6500DNOki B6500NOki B710DNOki B710NOki B720DNOki B720NOki B730DNOki B730NOki B8300Oki B840Oki B840DNOki B840DTNOki B840NOki B930OKI B930DOKI B930DTNOKI B930DXFOKI B930NOki C110Oki C130NOki C3000Oki C301DNOki C3100Oki C310DNOki C3200Oki C3200NOki C321DNOki C3300Oki C3300NOki C330DNOki C3400Oki C3400NOki C3450Oki C3520Oki C3520MFPOki C3530Oki C3530MFPOki C3600Oki C5100Oki C5100NOki C510DNOki C511DNOki C5200Oki C5250Oki C5300Oki C5300NOki C530DNOki C531DNOki C5400Oki C5400DNOki C5400DTNOki C5400NOki C5400TNOki C5450Oki C5510Oki C5510MFPOki C5540Oki C5540MFPOki C5550Oki C5600Oki C5600DNOki C5600NOki C5650Oki C5650DNOki C5650NOki C5700Oki C5700DNOki C5700NOki C5750Oki C5750DNOki C5750NOki C5800Oki C5850Oki C5850DNOki C5850NOki C5900Oki C5900CDTNOki C5900DTNOki C5950Oki C5950CDTNOki C5950DNOki C5950DTNOki C5950NOki C610Oki C610DNOki C610DTNOki C610NOki C7000Oki C710Oki C7100Oki C710CDTNOki C711CDTNOki C711DNOki C711NOki C7200Oki C7300Oki C7350Oki C7400Oki C7500Oki C801DNOki C801NOki C810Oki C810CDTNOki C810DNOki C810NOki C821DNOki C821NOki C822Oki C822DNOki C822NOki C830CDTNOki C830DNOki C830NOki C831Oki C831CDTNOki C831DNOki C831NOki C841Oki C841CDTNOki C841DNOki C841NOki C8600Oki C8600CDTNOki C8600DNOki C8600NOki C8800Oki C8800CDTNOki C8800DNOki C8800HNOki C8800NOki C9000Oki C910Oki C9200Oki C9300Oki C9400Oki C9500Oki C9600Oki C9650Oki C9650DNOki C9650HDNOki C9650HDTNOki C9650NOki C9650XFOki C9655Oki C9655DNOki C9655HDNOki C9655HDTNOki C9655NOki C9800Oki C9800HDNOki C9850OKI C9850HDNOKI C9850HDTNOKI C9850MFPOki FAX 1000Oki FAX 1050Oki FAX 160Oki FAX 170Oki FAX 2200Oki FAX 2350Oki FAX 2400Oki FAX 2450Oki FAX 250Oki FAX 2510Oki FAX 2600Oki FAX 2700Oki FAX 2800Oki FAX 2900Oki FAX 4100Oki FAX 4500Oki FAX 4510Oki FAX 4515Oki FAX 4550Oki FAX 4580Oki FAX 5200Oki FAX 5400Oki FAX 5500Oki FAX 5650Oki FAX 5680Oki FAX 5700Oki FAX 5750Oki FAX 5780Oki FAX 5900Oki FAX 5950Oki FAX 5980Oki FAX 610Oki FAX 660Oki MB260Oki MB280Oki MB290Oki MB441Oki MB451Oki MB460Oki MB461Oki MB470Oki MB471Oki MB480Oki MB491Oki MC160NOki MC342DNOki MC350Oki MC351DNOki MC352DNOki MC360Oki MC361DNOki MC362DNOki MC560DNOki MC560NOki MC561DNOki MC562DNOki MC760Oki MC770Oki MC780Oki MC851Oki MC851CDTNOki MC851CDXNOki MC851DNOki MC860CDTNOki MC860CDXNOki MC860DNOki MC861Oki MC861CDTNOki MC861CDXNOki MC861DNOki ML393Oki ML395Oki OFFICE 2530Oki OFFICE 44Oki OFFICE 84Oki OFFICE 86Oki OFFICE 87Oki OL1200Oki OL16Oki OL400Oki OL410exOki OL600Oki OL610exOki OL800Oki PAGE 10Oki PAGE 10EXOki PAGE 12Oki PAGE 14Oki PAGE 14EXOki PAGE 16Oki PAGE 20Oki PAGE 24Oki PAGE 4Oki PAGE 6Oki PAGE 6 SeriesOki PAGE 6EOki PAGE 6EXOki PAGE 8Oki Page 8c

Diamondsource Ltd

Diamondsource Ltd,

27 Glenhurst Ave,




Company Reg No: 3495951

VAT Reg No: 722486042

© Diamondsource Ltd 2022 All Rights Reserved all 3rd party trademarks acknowledged.