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OKI B840dtn A3 Mono LED Laser Printer

01310301  

OKI B840dtn A3 Mono LED Laser Printer

  • Key Features
  • Bundles & Compare
  • Overview
  • Detailed Spec
  • Cartridges & Accessories
  • Questions & Answers
  • Reviews
  • Toner Cartridge Costs
    1.4p per mono page
  • Protect Sensitive Data and Documents with Secure Print
  • Automatic Double Sided Printing
  • Up to 600 x 600 dpi Print
  • USB, Network & Parallel
  • As Fast as 5 Seconds First page
  • Up to 40ppm Mono Print
  • PCL5e, PostScript 3 (emulation), SIDM (IBM-PPR, EPSON-FX)
  • 2 x 530 Sheet Input Tray
  • 100 Sheet Multipurpose Tray
  • 128MB (640MB) RAM
  • Windows & Mac Compatible
  • Up to 1,200 x 1,200 dpi Print Enhanced
  • OKI Mobile Printing
  • Print Job Accounting
ModelDouble Sided PrintingMemoryPrice ex Vat
OKI B840dnAutomatic128MB (640MB)£947.24View
OKI B840dtn in More Detail

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

Fast and Flexible

The B840 is designed to offer low running costs with a low total cost of ownership that puts A3 printing in the reach of businesses and workgroups in every sector. What’s more, it comes with a three-year warranty at no extra cost, so you can absolutely rely on it.


Combining the speed of an A4 printer with the flexibility of A3 output, the B840 delivers superior mono print quality in a compact machine that will sit on any desktop, bringing versatile printing right to the heart of a workgroup. The B840 comes network ready with PCL/PostScript built-in for maximum platform flexibility and application support.


Able to handle a wide range of media and paper weights of up to 200gsm, the B840 is ideal for reducing costs through printing items such as business cards, labels and other business documents in-house. In addition, the B840dn and B840dtn models offer duplex printing as standard for reduced running costs and to save paper.

Secure and Reliable

Putting you in control, the software utilities and features provide even more value for your money. Secure Print3 removes the risk of sensitive information falling into the wrong hands. PrintSuperVision provides remote monitoring and management of printers across your network and Print Control allows you to control your print costs and usage.


The B840 is built on tried and tested digital LED technology, developed by OKI for over 20 years. The robust design and innovative technology not only delivers outstanding reliability, but also the 100k duty cycle offers you consistently high quality prints over and over again.

What's in the box?
  • OKI B840dtn
  • Black Starter Toner Cartridge (6000 Pages)
  • AC Cable (UK)
  • Software CD/DVD (Software/Utilities/Drivers/User Manuals)
  • Setup Guide
View Brochure
  • Special Offers
    • Claim a Free Amazon Kindle Paperwhite
    • Free 3 Year On-Site Warranty
    • **Printerland Exclusive**
    • 14 Day Trial - Call 0800 840 1992 to arrange
  • Special Offers
    • Claim a Free Amazon Kindle Paperwhite
    • Free 3 Year On-Site Warranty
    • **Printerland Exclusive**
    • 14 Day Trial - Call 0800 840 1992 to arrange
Double Sided Printing Automatic Double Sided Printing
Printer Resolution Up to 600 x 600 dpi Print
First Page As Fast as 5 Seconds First page
Product Group Output A3
Speed Monochrome Up to 40ppm Mono Print
Printer Enhanced Resolution Up to 1,200 x 1,200 dpi Print Enhanced
Speed Monochrome (A3) Up to 22ppm
Interface Type(s) USB, Network & Parallel
Network Interface 10/100 Base-TX Ethernet Network
USB Ports 1 x USB 2.0
Memory (Maximum) 128MB (640MB) RAM
Operating Systems Supported Windows & Mac Compatible
Paper Handling Input 1 2 x 530 Sheet Input Tray
Paper Handling Input 2 100 Sheet Multipurpose Tray
Maximum Paper Size A3
Maximum Paper Weight 200gsm
Paper Handling Standard Output 250 Sheets Face Down, 100 Sheets Face Up (80gsm)
Paper Size A3, A4, A5, B4, B5, A6; 10 Envelopes (Com-9, Com-10, DL, Monarch, C4, C5); Labels (A4), Custom size: Width 76-297mm Length 148-431.8mm;
Barcode 5031713051992
Monthly Duty Cycle Up to 100,000 Pages/Month
Recommended Max Print Volume Up to 20000 Pages/Month
Mono or Colour Printer Mono
Technology LED Laser Printer
Case Colour Classic Grey
Dimensions 485mm (W) x 575mm (D) x 520mm (H) - 35kg
Power Saving Modes Printing, Sleep, Energy Star compliant
Product Summary OKI B840dtn A3 Mono LED Laser Printer
Product Type A3 Laser Printer
Voltage/ Power/ Frequency 220 to 240VAC / 50 to 60Hz
Carton Dimensions 670mm (W) x 730mm (D) x 898mm (H) - 46kg
Printer Languages PCL5e, PostScript 3 (emulation), SIDM (IBM-PPR, EPSON-FX)
Font Capabilities PCL: 87 scalable PCL and 3 bitmap font; PostScript 3: 136 scalable
Security IPv6, 802.1x Authentication, SNMPv3, SSL/TLS HTTPS Encryption, Secure Print, Secure Erase, Data Encryption, MAC Filtering, IP Filtering, IPSec
In The Box OKI B840dtn, Black Starter Toner Cartridge (6000 Pages), AC Cable (UK), Software CD/DVD (Software/Utilities/Drivers/User Manuals),Setup Guide
Black 6000 Pages
Warranty 3 Year On-Site Warranty (when product is registered within 30 days of purchase).

**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.

OKI B840dtn Consumables

DescriptionProduct CodePrice
Genuine OKI Print Cartridge (20,000 Pages)
44661802
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.

OKI B840dtn Accessories

DescriptionProduct CodePrice
TP-Link AV600 Nano Powerline Adapter Kit
TL-PA4010KIT V1.20
OKI 16GB Secure Digital Memory Card
01272701
OKI 256MB RAM Memory Upgrade
01182907
OKI 512MB RAM Memory Upgrade
01182908
OKI 2nd/3rd Paper Tray
44676103

OKI B840dtn Warranties

DescriptionProduct CodePrice
Installation Service
09401395

£208.00 ex VAT @ 20%

£249.60 inc vat

Buy
1 In Stock
2 year NBD on site warranty (Total 3 years)
09902588

£250.00 ex VAT @ 20%

£300.00 inc vat

Buy
1 In Stock

OKI B840dtn Cables

DescriptionProduct CodePrice
USB 2.0 Cable (1.8 Metre)
usbcable

£4.95 ex VAT @ 20%

£5.94 inc vat

Buy
99+ In Stock
USB 2.0 Cable (3 metre)
usbcable3m

£6.95 ex VAT @ 20%

£8.34 inc vat

Buy
99+ In Stock
Standard Ethernet Cable (3 Metre)
networkcable

£9.95 ex VAT @ 20%

£11.94 inc vat

Buy
99+ In Stock
USB 2.0 Cable (5 Metre)
usbcable5m

£9.95 ex VAT @ 20%

£11.94 inc vat

Buy
99+ In Stock
Standard Ethernet Cable (5 Metre)
networkcable5m

£12.95 ex VAT @ 20%

£15.54 inc vat

Buy
99+ In Stock
Standard Ethernet Cable (10 Metre)
networkcable10m

£14.95 ex VAT @ 20%

£17.94 inc vat

Buy
99+ In Stock

Customer Question & Answers

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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.