Boost your business productivity with the highly versatile 3-in-1 MC351.

MC351Enjoy professional, high quality colour printing, scanning and copying with the versatile MC351dn.  This compact and ergonomically designed device combines three office machines in one saving valuable office space.  With impressive print speeds of up to 24ppm the MC351dn adds real value to every business.

The MC351dn has an extensive range of built in features, such as a large graphical LCD display and LED printing, scanning and copying.  The ability to create high quality, professional in-house documents on a variety of media makes the MC351dn the perfect solution for your business.

Impressive document quality
OKI’s advanced LED printing and scanning technology means shaper, clearer and consistent colour output and our unique ProQ2400 technology allows you to produce compelling marketing material in-house.

Improved ease-of-use
The intuitive operator panel, with one-touch copy, scan and print buttons, improves user interaction and ease-of-use so everyone will benefit. Advanced features can be accessed with ease on the 3.5 inch graphical LCD display, further increasing workgroup productivity.

Energy and cost savings
The integration of three office devices in one saves money and reduces your impact on the environment. ECO and Deep Sleep modes are cost saving features which reduce the energy consumption of the MC351dn while duplex printing, as standard, keeps paper wastage to an absolute minimum.

Technology you can rely on
The MC351dn is built on tried and tested digital LED technology that delivers reliable and high quality results.  Fewer moving parts, single-pass technology and a three year warranty, as standard, keeps the MC351dn delivering time and time again.

Copy of MC351_Overview_top



Key specifications

  • Print Speed 22ppm colour, 24ppm mono

Full specifications


  • Print Speed 22ppm colour, 24ppm mono
  • Time to first print 9 seconds colour, 8.5 seconds mono
  • Warm up time Up to 60 seconds from power on and up to 32 seconds from power save
  • Processor speed 533MHz


  • Scan resolution Up to 1200 x 1200dpi
  • Scan speed Up to 20ppm colour, up to 30ppm mono
  • Colour depth Input 48-bit / Output 24-bit
  • Document input 50-sheet Reverse Automatic Document Feeder (RADF), flatbed scanner
  • Contrast 7 Levels
  • Format PDF, M-TIFF, JPEG, XPS
  • Addressbook LDAP, 100 E-mail addresses and 20 group addresses
  • Scan to FTP, HTTP, USB memory, E-mail, TWAIN, CIFS


  • First copy out Less than 14 seconds colour, less than 12 seconds mono
  • Copy speed Up to 22cpm colour and up to 24cpm mono
  • Copy resolution Up to 600 x 600dpi
  • Reduction/Enlargement Zoom 25-400%
  • Maximum copies 99

Operator panel

  • LCD panel Single simplified blue backlit graphics panel: 84.1mm (W) x 33.6mm (H); Resolution: 320x120 dots
  • Key pad 12 alpha/numeric keys, 3 main function buttons (Copy, Scan, Print), Color & Mono Start, Status, Setting, Help, 6 main navigation buttons (Back, Up, Down, Left Right, OK), Clear, Stop, Power Save, Reset/Log Out.

Interface and Software (MFP)

  • Connectivity 10/100 TX Ethernet, USB 2.0 Device IF, USB 2.0 Host IF
  • Printer language PCL6 (XL3.0), PCL5c, PostScript 3 emulation, SIDM (IBM-PPR, EPSON-FX)
  • Network & protocols All major network protocols supported via ethernet card with internal web server for printer and All major network protocols supported via ethernet card with internal web server for printer and network card set-up and management. TCP/IPv4&v6, SMTP, POP3, HTTP, SNMPv1&v3, DHCP, DNS, LPR, Port9100, BOOTP, ARP, FTP, CIFS, LDAP, SLP, Bonjour, Web Services Discovery. NetWare, EtherTalk, NetBEUI
  • OS Compatibility Windows 2000 / XP Home / XP Professional (32-bit & 64-bit) / Server 2003 (32-bit & 64-bit) / Server 2008 (32-bit & 64-bit) / Server 2008 R2 / Vista (32-bit & 64-bit) / Windows 7 (32-bit & 64-bit); Mac OS X 10.3.9 to 10.6.4
  • Advanced networking and security IP Filtering, MAC Filtering, SSL/TLS, WindowsRally (PnP-X, WSDPrint, LLTD), EmailAlert, EAP(IEEE802.1X), IPSec
  • Utility suite Template Manager, Color Correct, OKI LPR, Color Swatch Utility, Color Access Policy Manager,, PrintSuperVision Java, Print Control Server, Print Control Client, Print Control Report Tool, Web Driver Installer, Network Card Setup, Configuration Tool, ICC Color Profiles, PostScript Gamma Utility, Profile Assistant, PDF Direct Print, Storage Device Manager, ColorSync Profiles, Actkey
  • Document management Nuance PaperPort SEv11, Nuance OmniPage SEv16


  • Printer fonts Scalable: 87 PCL Fonts and 80 PostScript fonts, PCL Bitmap fonts, OCR-A/B, USPS ZIP Barcode
  • Barcodes 12 types of one dimension with 28 variations: UPC-A, UPC-E, EAN/JAN-8, EAN/JAN-13, Interleaved2of5, Code39, Code 128, EAN/UCC-128, CODABAR, ZIP+4POSTNET, USPS Zip Barcode; 1 type of two dimension: PDF417

Print quality

  • Resolution ProQ2400 Multi-level Technology, 1200x600dpi, 600x600dpi
  • Enhancements Auto Color Balance, Photo Enhance via driver (excludes PostScript driver)

Paper Handling (MFP)

  • Paper capacity Tray 1: 250 sheets of 80gsm; Multi-purpose tray: 100 sheets of 80gsm; RADF: 50 sheets of 80gsm
  • Paper capacity optional tray 530 sheets of 80gsm
  • Maximum paper capacity 880 sheets of 80gsm
  • Paper size Tray 1: A4, A5, B5, A6; Tray 2: A4, A5, B5; 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; RADF: A4, A5, B5, A6 (A6 simplex only)
  • Paper weight Tray 1/2: 64 to 176gsm; Multi-purpose tray: 64 to 220gsm; Duplex: 64 to 176gsm; RADF: 60 to 105gsm (duplex 60 to 90gsm)
  • Duplex Standard
  • Paper output Face Down: 150 sheets of 80gsm; Face Up: 100 sheets of 80gsm

General Features

  • Memory (RAM) Standard: 256MB; Maximum: 768MB
  • Operating temperature/ humidty 10°C to 32°C (17°C to 27°C recommended)/ 20% to 80% RH (50% to 70% RH recommended)
  • Storage temperature/ humidty -10°C to 43°C/ 10% to 90% RH
  • Power supply Single phase 220 to 240VAC, frequency 50-60Hz +/- 2%
  • Power consumption Typical: 500W; Max: 1170W; Idle: 100W; Power Save: <20W; Deep Sleep: <1.2W
  • Noise level Operating: 52dB(A) or less (print), 54dB(A) or less (copy); Standby: 37dB(A); Power save: Inaudible
  • Dimensions (HxWxD) 444 x 427 x 509mm
  • Weight 29kg
  • Warranty 3 years extended warranty upon registration within 30 days of purchase
  • Note Toner: A4 pages yield compliant with ISO/IEC 19798. Printer shipped with toner for 1,000 A4 pages. Drum: Average life of 3 pages per job from tray 1 in simplex mode.