C831dn – obsolete


All OKI products are expertly designed to work with the minimum need for technical support thanks to the technical advancements made.

However, if for any reason you are experiencing problems or are looking to upgrade by adding any additional accessories, the following pages will assist you. This support section also offers you help and advise so that you can achieve maximum impact with your OKI product.

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Fast, affordable A3 and A4 colour printing that enhances your business

C831_OverviewThe C831 is the ideal A3/A4 colour printer for small to medium businesses or workgroups looking for fast, high quality, high volume, print on demand capabilities, in-house. With fast print speeds and high capacity toners, you can rely on this device to deliver on your day-to-day business printing needs.

Fast, robust and superb colour print quality
The C831 is built on tried and tested LED technology that your business can rely on to deliver over and over again, supported by a 3-year warranty.

  • Outstanding A4 print speeds of up to 35ppm in high definition colour
  • A range of energy and cost saving functions to reduce your total cost of ownership, improving efficiency and productivity.
  • ProQ2400 Multi-level output quality, 1200 x 600dpi print resolution and Photo Enhance setting guarantee sharp, clear and vibrant photo-like pictures.

Excellent media flexibility to support your business
The C831 provides complete flexibility, enabling users to print on a wide range of media sizes, formats and paper weights:

  • Print on paper sizes from A6 to A3
  • Produce banners of up to 1321mm in length
  • Standard 400 sheet paper capacity expands to 1,990 sheets
  • Print on paper weights of up to 256gsm.


Colour your life

Excellent colour made easy
You don’t need any special skills or training to get the best out of your C831. It has ProQ2400 Multi-level output quality with 2400 x 600dpi print resolution for smoother shades, there’s a Photo Enhance setting for printing sharp, photo-like pictures, and support for support for PCL and PostScript for when you’re working with graphics files and applications.

Rapid print speeds
Not only can the C831 can print all your routine A4 documents at speeds of up to 35 pages per minute (ppm). Even in A3, it still prints at a highly capable 20ppm. And that’s not all.

Because it comes with 256MB RAM, expandable to 768MB, an optional 16GB SDHC memory card, and a powerful 800MHz processor as standard, you can work with large and complex documents as easily as small and simple ones.

Versatile media handling
Your team can do so much more with the C831. Documents can be any size from A6 postcards, right the way up to A3 and beyond to 1321mm banners. It handles paper weights from as light as 64 to as heavy as 256gsm, and it has a standard 400-sheet paper capacity that can be expanded 1,990 sheets for more printing with fewer interruptions.

Support your environmental objectives
The C831dn comes with automatic two-sided printing as standard (optional on C831n), helping people to reduce paper usage and saves money. A useful Deep Sleep function helps to reduce energy consumption, and toner cartridges which last for around 10,000 pages each mean less waste and packaging.

Adding extra performance

As your business needs grow, you can increase the performance and productivity of your OKI Printing Solutions products with the following accessories

Accessory Description
2nd Paper Tray
2nd Paper Tray
Adds an additional paper capacity of 530 sheets of 80gsm. 44713903
3rd Paper Tray
3rd Paper Tray
Adds an additional paper capacity of 530 sheets of 80gsm. 44713903
4th Paper Tray
4th Paper Tray
Adds an additional paper capacity of 530 sheets of 80gsm. 44713903
Duplex Unit Double sided printing 44717603
512MB RAM 
Enables easy printing in graphic intensive applications and handling of print jobs from many users 44302207
SDHC Memory Card 16GB 44848903

Smarter printing for your business

The C831 A3/A4 colour printer puts you in control of what, when and how you print in your business.

Smart Solutions
A range of software utilities are available to help you to print in an efficient, productive and professional manner, improving your business presentation and versatility through superior print management and output

  • Template Manager – allows you to create and print your professional documents in-house, such as business cards, leaflets, CD labels, point of sale items, banners and posters
  • Print Job Accounting allows you to monitor and control your print costs and usage.
  • PrintSuperVision enables monitoring, reporting and managing networked printers in real-time
  • Colour Access Policy Manager (CAPM) – controls and monitors user access rights
    • Secure Print –   enables PIN number protected printing of confidential documents using the numeric keypad.

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