SKU: 01308001 Brand: OKI
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Product Description

Transform your black and white documents with the B840, the A3 printer with the speed, versatility and the footprint of an A4 device. With sharp 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 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.


Print quality
Network readyYes
Duplex printingYes
Print technologyLaser
Maximum resolution1200 x 1200 DPI
Monthly duty cycle (max)100000 pages
Duty cycle (recommended)20000 pages per month
Print speed (black, normal quality, A4)40 ppm
Warm-up time19 s
Time to first page (black, normal)5 s
Internal memory128 MB
Maximum internal memory640 MB
Processor clock speed533 MHz
Built-in processor464FP
Processor familyPowerPC
Input capacity
Standard input capacity80 sheets
Maximum input capacity1690 sheets
Output capacity
Standard output capacity100 sheets
Paper handling
Maximum print sizeA4 / Letter (216 x 297 mm)
Standard tray media typesPlain paper
ISO A-series sizes (A0...A9)A3,A4,A5,A6
ISO B-series sizes (B0...B9)B4,B5
Non-ISO print media sizesExecutive,Legal,Letter,Statement
Envelopes sizes9,10,C5,DL
Standard interfacesUSB 2.0
Ethernet LAN connectionYes
Wireless LAN (WLAN) connectionNo
Supported network protocols (IPv4)IPv4, IPv6, ICMP, ARP, RARP, DHCP/BOOTP, “Port 9100”, LPR/LPD, Apple Bonjour (mDNS), Dynamic DNS, DNS/WINS, HTTP, SMTP, POP3, FTP, SNMPv1/v2/v3, Ethertalk, Netware IPX/SPX, IPSec, 802.1x, EAP-MD5, PEAP, EAP-TLS
Print technology
Standard printer languagesPCL 5e,PostScript 3
Energy management
Power consumption550 W
Power consumption (standby)1.2 W
Power consumption (PowerSave)75 W
Input voltage220-240 V
Input frequency50/60 Hz
Weight & dimensions
Dimensions (WxDxH)485 x 450 x 373 mm
Weight24000 g
Packaging data
Package weight28000 g
Package dimensions (WxDxH)485 x 521 x 373 mm
Environmental conditions
Storage temperature range (T-T)-10 - 43 °C
Operating temperature range (T-T)10 - 32 °C
System requirements
Mac compatibilityYes
Authentication methodPEAP, EAP-TLS, IPSec
Technical details
Input capacity (tray 2)530 sheets
Bundled softwareTemplate Manager/PrintSuperVision/OKI LPR/PDF Print Direct/Font & Macro Manager/Status Monitor
Compliance industry standardsIEEE 802.3, IEEE 802.3u, IEEE 802.1x
Standby acoustic emission37 dB
Operating acoustic emission54 dB
Compatible operating systemsWindows 2000/XP Home/XP//Vista/7\nServer 2003/2008/R2\nMac OS X 10.2 - 10.6\nUnix\nLinux
Networking featuresFast Ethernet
Power supply1200 W
Fonts includedPCL, PostScript 3

About OKI

OKI contact information

For after-sales support and information relating to products from OKI, please contact OKI on:

OKI Data Americas, Inc., a subsidiary of OKI Data Corporation of Japan, markets PC peripheral equipment under the OKI® Printing Solutions brand, including digital color and monochrome printers, serial impact dot matrix printers and multifunction products. As business printing solutions specialists, OKI Data Americas provides world-class printing technology and real-world solutions designed to help manage workflow and optimize business performance.

Strong customer collaboration and customer service and support mark OKI Data Americas' reputation in the industry. The company proactively partners with its customers and channel partners to improve their productivity, performance and profitability. It is this individualized approach that has helped OKI Data Americas grow 30 percent over the last two years, more than two times faster than the industry average.

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