OKI B840DN mono A4 Mono Laser Printer

  • Fast, superior mono printing on your desktop
  • Flexible media output and duplex printing
  • Reduced running costs and lower TCO
  • Packed full of value-added features

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QuickFind: 260886

Mfr part code: 01308001

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    OKI B840DN mono A4 Mono Laser Printer Product Description

    Transform your black and white documents with the B840, the A3 printer with the speed, versatility and footprint of an A4 device. With sharper mono output, provided by OKI's innovative digital LED technology, the B840 brings A4 and A3 mono printing closer to your work group.

    Gone are the days of having to decipher your spreadsheets and diagrams with a magnifying glass. The B840 provides the convenience of fast desktop A4 printing speeds of up to 40 ppm with the capability to print your documents at a size that gives them and you a new perspective. The B840 brings affordable A4 and A3 mono printing to every business, large or small.

    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 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, 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. Adding extra performance
    You can increase the performance and productivity of your OKI product with the following accessories

    Add-ons and Accessories


    £4.19 inc. vat
    £3.49 ex. vat
    £16.08 inc. vat
    £17.98save £1.90
    £13.40 ex. vat
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    £4.08 inc. vat
    £4.80save £0.72
    £3.40 ex. vat
    £4.00save £0.60

    C2G 5M USB 2.0 White Cable

    QuickFind: 170970

    £3.38 inc. vat
    £3.57save £0.19
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    £2.99 inc. vat
    £2.49 ex. vat
    £4.98 inc. vat
    £4.15 ex. vat
    £4.79 inc. vat
    £3.99 ex. vat

    Technical Specifications

    Environmental Standards

    ENERGY STAR Qualified Yes
    Green Tick Certified Yes


    Width 48.5 cm
    Depth 52.1 cm
    Height 38.3 cm
    Weight 28 kg
    Printer Type Workgroup printer - LED - monochrome


    Interface Parallel, USB, LAN
    Max Resolution ( B&W ) 1200 dpi
    Duplex Printout Duplex
    Automatic Duplexing Yes
    Fonts Included 87 x scalable PCL ¦ 3 x bitmapped ¦ 136 x scalable PostScript ¦ 1 x barcode
    Print Speed Up to 40 ppm - max speed - A4 (210 x 297 mm) ¦ Up to 22 ppm - max speed - A3 (297 x 420 mm)
    Built-in Devices Status LCD
    Connectivity Technology Wired
    Max Resolution (B&W) 1200 dpi
    PostScript Support Standard
    First Print Out Time B/W 5 sec
    Language Simulation PCL 5E, PostScript 3, EPSON FX, IBM PPR, SIDM
    Barcodes ZIP
    Media Handling 100-sheet multipurpose tray, 530-sheet input tray

    Duty Cycle

    Monthly Duty Cycle 100000 pages
    Monthly Duty Cycle (max) 100000 pages
    Recommended Monthly Volume 20000 pages


    Connectivity Technology Wired
    Networking Print server
    Data Link Protocol Ethernet, Fast Ethernet
    Network / Transport Protocol TCP/IP, IPX/SPX, AppleTalk, NetBEUI/NetBIOS, ICMP/IP, LPR/LPD, ARP, SMTP, FTP, BOOTP, DHCP, DNS, POP3, RARP, Bonjour
    Remote Management Protocol SNMP 1, SNMP 2, Telnet, SNMP 3, HTTP
    Security Protocols & Features Apple Bonjour, TLS, IPsec, 802.1x

    Expansion / Connectivity

    Expansion Slot(s) 1 x memory
    Connections 1 x USB 2.0 - 4 pin USB Type B ¦ 1 x parallel - 36 PIN Centronics ¦ 1 x LAN - RJ-45

    Manufacturer Warranty

    Service & Support Limited warranty - 3 years
    Service & Support Details Limited warranty - 3 years

    Media Handling

    Media Feeder(s) 1 x automatic - 530 sheets - A3 (297 x 420 mm) weight: 60 g/m2 - 176 g/m2 ¦ 1 x automatic - 100 sheets - 297 x 432 mm weight: 60 g/m2 - 200 g/m2
    Media Weight 60 g/m² - 200 g/m²
    Media Feeders 1 x automatic - 530 sheets - A3 (297 x 420 mm) weight: 60 g/m² - 176 g/m² ¦ 1 x automatic - 100 sheets - 297 x 432 mm weight: 60 g/m² - 200 g/m²
    Media Type Envelopes, labels, plain paper
    Media Size Class A3
    Max Media Size A3 (297 x 420 mm)
    Min Media Size (Custom) 76 mm x 148 mm
    Max Media Size (Custom) 297 mm x 431.8 mm
    Media Sizes A4 (210 x 297 mm), A5 (148 x 210 mm), B5 (176 x 250 mm), A3 (297 x 420 mm), B4 (250 x 353 mm), A6 (105 x 148 mm)
    Envelope Sizes International DL (110 x 220 mm), Com-10 (105 x 241 mm), International C5 (162 x 229 mm), Monarch (98.4 x 190.5 mm), International C4 (229 x 324 mm), Com-9 (98 x 225 mm)
    Total Media Capacity 630 sheets
    Max Media Capacity 1690 sheets
    Output Trays Capacity 250 sheets


    RAM Installed ( Max ) 128 MB / 640 MB (max)
    RAM Installed (Max) 128 MB / 640 MB (max)
    Slots Qty 1
    Empty Slots 1


    Consumables Included 1 x toner cartridge (black) - up to 6000 pages ISO/IEC 19752
    Compatible with Windows 7 "Compatible with Windows 7" software and devices carry Microsoft’s assurance that these products have passed tests for compatibility and reliability with 32-bit and 64-bit Windows 7.


    Frequency Required 50/60 Hz
    Power Consumption Operational 550 Watt
    Power Consumption Stand by / Sleep 75 Watt
    Power Device Power supply - internal
    Voltage Required AC 230V

    Software / System Requirements

    Software Included OKI PrintSuperVision, OKI LPR, OKI Print Control Client, OKI Print Control Server, OKI Web Driver Installer, OKI Storage Device Manager, OKI Network Extension, OKI Template Manager, OKI PDF Print Direct
    OS Required Microsoft Windows Server 2008 R2, Apple MacOS X 10.3.9 - 10.6, Microsoft Windows 7 (32/64 bits), Microsoft Windows XP (32/64 bits), Microsoft Windows Server 2008 (32/64-bits), Microsoft Windows Server 2003 (32/64-bits)

    Environmental Parameters

    Min Operating Temperature 10 °C
    Max Operating Temperature 32 °C
    Humidity Range Operating 20 - 80%
    Sound Emission (Idle) 37 dBA
    Sound Emission (Operating) 54 dBA

    Dimensions & Weight

    Width 48.5 cm
    Depth 52.1 cm
    Height 38.3 cm
    Weight 28 kg


    Processor PowerPC 464FP H90 533 MHz

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