OKI C321dn Ask Expert!

The C321dn A4 colour desktop printer is perfect for micro and small businesses that require colour and mono printing of day-to-day business documents for their workgroups. PCL/PS support is also included for printing graphic files and applications. Offering outstanding High Definition colour quality and duplex printing with fast, reliable performance, all in a low cost, compact and highly competitively priced device.

In-house printing that saves time and money

The use of High Definition digital LED technology achieves a superior level of print quality. This, combined with flexible media handling of up to 220gsm and OKI’s unique Template Manager, means that micro and small businesses can now create and print a wide variety of documents and marketing  materials in-house, including business cards, CD/DVD labels, leaflets, presentations and banners up to 1320mm.


Energy saving features that reduces your impact upon the environment

These outstanding devices have many features that reduce your impact upon the environment, whilst also reducing your on-going costs. A pre-set option automatically powers off devices when not in use. This is in addition to our Deep Sleep mode that places the printers to sleep when not in use and powers up as you request to print a job.


Reliability you can depend upon

OKI printers are inherently more reliable due to LED technology requiring fewer moving parts. This means that we can offer a 3-year warranty, giving you complete peace of mind.


Print Speed A4 : 20ppm colour, 22ppm mono

Time to first print (TTFP)9 seconds colour, 8.5 seconds mono

Warm up timeUp to 60 seconds from power on & up to 32 seconds from power save

Processor speed532MHz

Interface and Software

ConnectivityUSB 2.0 High Speed, 10/100 TX Ethernet

Printer languagePCL6 (XL3.0 & PCL5c) PostScript 3 emulation, SIDM (IBM-PPR, EPSON-FX)

Network & protocolsAll major network protocols supported via ethernet card with internal web server for printer and network card set-up and management. TCP/IP: ARP, IP, ICMP, TCP, UDP, LPR, FTP, TELNET, HTTP(IPP), BOOTP, DHCP, SNMPv1, DNS, DDNS, UPnP, Bonjour, WINS, SMTP, SNTP, WSDPrint, LLTD

OS CompatibilityWindows XP Home / XP Professional (32-bit & 64-bit) / Server 2003 (32-bit & 64-bit) / Server 2008 (32-bit & 64-bit) / Server 2008 R2 (64-bit) / Vista (32-bit & 64-bit) / Windows 7 (32-bit & 64-bit); Mac OS X 10.3.9 to 10.7

Advanced networking and securityIP Filtering, MAC Filtering

UtilitiesTemplate Manager, Color Correct, OKI LPR, Color Swatch Utility, PrintSuperVision.net, PrintSuperVision Multiplatform, Print Job Accounting Server, Print Job Accounting Client, Web Driver Installer, Network Card Setup, Configuration Tool, ICC Color Profiles, PS Gamma Adjuster, PDF Direct Print

Print quality

ResolutionProQ2400 Multi-level Technology, 1200x600dpi, 600x600dpi

EnhancementsAuto Color Balance, Photo Enhance via driver

Paper Handling

Paper capacityTray 1: 250 sheets of 80gsm; Multi-purpose tray: 100 sheets of 80gsm

Maximum paper capacity350 sheets of 80gsm

Paper sizesTray 1: A4, A5, B5, A6; Multi-purpose tray: A4, A5, B5, A6, Envelopes (C5, DL, Com-9, Com-10, Monarch), Index Card (3" x 5") (75 x 125mm), Photo Size (4" x 6", 5" x 7") (100 x 150mm, 125 x 175mm), Custom Size (up to 1320mm length including banners); Duplex: A4, A5, B5

Paper weightTray 1: 64 to 176gsm; Multi-purpose tray: 64 to 220gsm; Duplex: 64 to 176gsm


Paper outputFace Down: 150 sheets of 80gsm; Face Up: 100 sheets of 80gsm

General Features

Memory (RAM)Standard: 128MB; Maximum: 640MB

Operating temperature/ humidity10°C to 32°C (17°C to 27°C recommended) / 20% to 80% RH (50% to 70% RH recommended)

Storage temperature/ humidity-10°C to 43°C, 10% to 90% RH

Power supplySingle phase 220-240VAC, frequency 50/60Hz +/-2%

Power consumptionTypical: 480W; Max: 1170W; Idle: 90W; Power Save: <9.5W; Deep Sleep: <1.5W; Auto-Off: <0.5W

Noise levelOperating: <52dB(A); Standby: 35dB(A); Power save: Inaudible

Dimensions (HxWxD)242 x 410 x 504mm


Duty cycle (Maximum)30,000 pages/month

Duty cycle (Recommended)Up to 2,000 pages/month

Warranty3 years extended warranty upon registration within 30 days of purchase

Key Features

Description A4 colour printer

Number of users 1 to 5

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