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OKI C834dnw A3 Colour Printer



With powerful and energy efficient performance thanks to OKI's fast fusing technology,the compact C834 is an ideal choice for busy businesses and workgroups.Fast print speeds and high-quality on-demand colour printing on a wide range of media from A6 to 1.3m banners and 256gsm card, make the C834 the perfect printer for workgroups or businesses looking to do more from one device.

Super compact

The smallest A3 colour printer on the market

Eco-friendly Performance

Energy and time-saving with efficient fusing technology

Unrivalled media handling

Print in sizes and weights up to 256gsm and banners up to 1.3m

Easy printing on the go

Tap and print NFC functionality from Android smartphones and tablets, AirPrint by Apple Inc enabled and Google Cloud Print 2.0 ready

High-quality output, low running costs and outstanding eco-performance make the compact C834 A3 colour printer a great choice for on-demand business printing. Easy-to-use and fully-equipped with energy-efficient, time-saving fusing technology, the versatile device offers media flexibility from A6 to A3, making it ideal for sales, marketing and general office printing.

Professional results c824

Professional results - Print large and small projects in-house

Achieve great results and save costs with the versatile, ultra-compact C834. Award winning digital LED technology delivers high-quality results on a range of media sizes from A6 to A3, and up to 1.3m banners.

  • Print on light and heavy paper from 64gsm to 256gsm
  • Create a range of documents in-house, from A6 to A3, including banners up to 1.3m
  • Auto-sensing 100-sheet multi-purpose tray (MPT) for seamless, ready-to-go printing no matter what the task
  • Standard paper supply of 400 sheets and 4 optional paper trays, increasing paper capacity to up to 2,540 sheets
  • Optional Banner tray for printing multiple banners in one go

Eco cost effective

Eco-friendly Performance - Energy and time-saving with efficient fusing technology

Affordable, compact and built to deliver high-quality, high-impact results, the C834 includes cost and energy-saving features and the latest fusing technology, enabling it to warm up almost instantly (9.9 seconds), saving time, increasing efficiency and conserving energy.

  • Automatic duplex printing reduces paper usage (standard on C834dnw, optional on C834nw)
  • New fusing technology cuts warm-up time and makes it fast to quieten and cool down
  • Deep Sleep mode saves energy, Auto-Off mode automatically powers down to less than 0.15W when not in use

Mobile friendly

Mobile Print Friendly - for printing on the go

Designed to make it straightforward and simple to achieve fantastic, high-quality results in-house, the C834 is easy to use and has professional security features. The C834 comes with advanced connectivity including NFC for tap and print functionality (no network connectivity required, Android devices only) and is AirPrint by Apple Inc enabled, and Google Cloud Print 2.0 ready.

  • Clear, easy-to-use screen
  • Tap and print directly from Android smartphones and tablets
  • User videos through mobile app for maintenance and troubleshooting
  • Private Print and optional Card Release user authentication prevents unauthorised access and helps to protect corporate data
  • Internet Protocol Security (IPSec) compliance for document security
  • Wireless LAN, NFC (Android), AirPint by Apple Inc enabled and Google Cloud Print 2.0 ready

compact sizre

Compact size High quality results in-house

Ideal for workgroups with different needs and the smallest A3 colour business printers available, the versatile C834 delivers affordable day-to-day document printing and outstanding high-impact results on a wide range of sales and marketing materials.

  • Outstanding High Definition ProQ2400 multi-level output quality
  • Clear, 1200 x 600dpi print resolution for readable fine print
  • Toner Save reduces cost when printing draft or internal documents
  • Print a wide range of jobs in-house from letters to leaflets and posters

C834 Print Samples

Increase basket value and customer engagement with attention grabbing in-store signage and advertising

From automotive showrooms to fashion clothing changing rooms and food and beverage aisles, high-impact visual customer communications such as banners and shelf-edge labels are highly influential. Whether it is a change in pricing or a special promotion, capture immediate attention and increase basket value with the C834 High Definition Colour printer combined with OKI's Retail Solutions. Create high quality signage at your staff's fingertips, produce small price tags to 1.3m hanging and floor banners. Print on pre-cut media for door hangers, bottle collars and much more.

Whatever your retail environment, OKI's Retail Solutions will improve customer satisfaction and loyalty, increase staff productivity and generate sales.


Printing Method

Digital 4 LED Full-color Electrophotographic Printing Method

Printing Resolution

600 x 600 dpi

600 x 1200 dpi

600 x 600 dpi (4 levels)

Physical dot pitch: 600 dpi

Warm-up Time

Approx. 20.0 seconds from power-on

Approx. 9.9 seconds from power save

First Print Out Time

Color: Approx. 6.3 seconds

Mono: Approx. 6.3 seconds

Print Speed

A4(Landscape) 36 ppm color, 36 ppm mono

A3 20 ppm color, 20 ppm mono


1000BASE-T/100BASE-TX/10BASE-T, Wireless LAN (IEEE802.11a/b/g/n), USB 2.0 (High Speed), USB 2.0 (High Speed) Host



Printer Language

PCL 6 (XL) emulation, PCL 5c emulation, Epson FX Emulation, PostScript 3 emulation, PDF v1.7 emulation, IBM ProPrinter emulation

Supported OS

Windows 10, Windows 10 x64, Windows 8.1, Windows 8.1 x64, Windows 8, Windows 8 x64, Windows 7, Windows 7 x64, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2, Windows Server 2008, Windows Server 2008 x64, macOS 10.13, macOS 10.12, OS X 10.11, OS X 10.10, iOS, Linux, Android

Memory (Std./Max.)



PCL emulation 87 scalable fonts, 4 bitmap fonts, PostScript emulation 80 fonts

Paper Size

A3, A4, A5, A6, B4, B5, B6, B6 Half, Legal 13, Legal 13.5, Legal 14, Tabloid (11" x 17"), Letter, Executive, 16K, 8K, Statement, Folio, Banner, Envelopes, Postcard, Return postcard, Index Card (3" x 5") (75 x 125mm), Photo Size (4" x 6", 5" x 7") (100 x 150mm, 125 x 175mm), Custom Size: Width 55-297 mm x Length 90-1321 mm, B8, B7

Paper Weight

Tray 1 : 64 - 220 gsm

Multi-purpose tray : 64 - 256 gsm

(Optional)Additional Tray : 64 - 176 gsm

Input Capacity

Tray 1 : 300 sheets

Multi-purpose tray : 100 sheets

(Optional)Additional Tray : 535 sheets

Output Capacity

Face Down : Max. 250 sheets

Face Up : Max. 100 sheets


449 x 552 x 360 mm

Weight(includes supplies)

Approx. 37.0 kg

Operating Environment

Operating: 10 - 32 C, 20 - 80 %RH

No condensation

Power Consumption

Operating: Max. 1,118W / Ave. 680W

Idle: 13W

Power Save: 11.0W

Deep Sleep: 1.0W

Auto-Off: 0.15W

Safety& Environment Regulation

CE Mark, GS Mark

Noise Level

Operating :Approx. 54 dBA

Idle: < 32 dBA

Duty Cycle

Recommended: 10,000 pages/month

Maximum: 50,000 pages/month

In the Box

Starter toner cartridge x 4, Image Drum x 4, Power cable, DVD-ROM

No additional files, specification sheets, guides or documentation found for product.

Warranty: 12 Month Return To Base

Full manufacturers warranty details are available at the manufacturers (OKI) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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