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OKI B840
OKI B840
OKI B840
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OKI B840
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Everything you expect from an A4 mono printer, with the added versatility of A3 output

B840_overview_rightTransform your black and white documents with the B840, the A3 printer with the speed, versatility and the footprint of an A4 device.  With sharper mono output, provided by innovative digital LED technology, the B840 brings A4/A3 mono printing closer to your small to medium workgroup.

View your documents in an A3 perspective

Gone are the days of having to decipher your spreadsheets and diagrams with a magnifying glass. The B840 offers you the option to print in A3 format, allowing you to get a bigger and clearer perspective.

Faster speeds and desktop versatility

The B840 combines the convenience of fast desktop A4 printing speeds of up to 40ppm with A3 output, whilst also being of a size that sits comfortably on a desktop.

Affordable A3 mono printing for any size of business

The B840 is competitively priced when compared with many A4 printers and brings affordable, A3 mono printing, to every business, large or small. Ideal for larger volume printing, document proofing or a range of other applications, the B840 is a valuable addition to any office.

Reliable LED technology with a three-year warranty as standard

Built to last, with reliable digital LED printing technology, and a three-year warranty at no extra cost,  the B840 is designed to offer low running costs and a low total cost of ownership that puts A3 printing in the reach of businesses and workgroups in every sector.


Fast, efficient A4/A3 mono printing

The B840, packed full of features for ease of use.

Fast, versatile printing on your desktop 

Combining the speed of an A4 printer with the flexibility of A3 output, the B840 delivers superior mono print quality, with print speeds of up to 40ppm, in a compact machine that will sit on any desktop, bringing versatile printing right to the heart of a workgroup.


Crisp, high definition mono printing 

Using high definition digital LED technology, the B840 offers a printing resolution of up to 1200 x 1200dpi which provides crisp, clear and consistent text and graphics every time.


Full of value added features including duplex printing  

The B840dn and B840dtn models offer duplex printing as standard for a wider range of output. This additional functionality reduces running costs and your impact on the environment.


256MB RAMIncreased RAM memory enables easy printing in graphic intensive applications and handling of print jobs from many users01182907
2nd/3rd Paper Tray
2nd/3rd Paper Tray
Adds an additional paper capacity of 530 sheets of 80gsm.44676103
B840 Duplex Unit 
B840 Duplex Unit
Double sided printing44676203
512MB RAM  
512MB RAM 
Enables easy printing in graphic intensive applications and handling of print jobs from many users01182908
SDHC Memory Card 16GB01272701

B840 Consumables

To get the very best out of your compact B840, OKI Printing Solutions provide everything you need to maximise the quality and versatility of its output. Whatever the print job required, we have the high quality products to help your business do it.

Black toner cartridge 
Black toner cartridge

Black toner cartridge


3 YRs + 1 Onsite
Print Head Lifetime
Price Ex Vat :
33,551.00 บาท