Printer Range > Multi Function / All in One Printer > Oki ES8451 MFP
| ES8451 MFP Technical Spec Sheet | |
| Executive Series Range Flyer | |
| ES8451 MFP & ES8451 MFP Brochure |

![]() |
![]() |
![]() |
![]() |
A4: 26ppm colour, 34ppm mono; A3: 15ppm colour, 17ppm mono |
Hi-Speed USB, 10/100-TX Ethernet, Parallel Port |
A3 & A4 Automatic Duplex |
ProQ2400 Multi-level technology 1200 x 600dpi |

The A4/A3 colour MFP that adds value and versatility to demanding workgroups
A3 colour workgroup MFP - Print, Copy, Scan and Fax
A4 34ppm mono/22ppm colour A3 17ppm/12ppm print speeds
400 sheet standard paper capacity (up to 1,460 sheets)
PCL, PostScript, IBM and Epson printer language emulation
Auto duplex as standard
Affordable A4/A3 versatility
Based on award winning technology, the ES8451 MFP makes versatile A4/A3 printing, scanning, photocopying and faxing accessible to every business.
The ES8451 MFP comes at a highly competitive price, enabling budget conscious businesses to produce in-house, high quality, professional documents in rich high definition colour, reducing outsourced print costs and providing the ability to print what you need, when you need it.
Adding value to your business
The ES8451 MFP is ergonomically designed and packed full of useful features, offering everything a business needs from a multifunctional device, including:
duplex printing as standard
flexible media handling from CD labels, business cards and banners to standard, day-to-day business documents
one touch Copy, Scan, Print and Fax buttons
scan to USB stick, client, email or network PC
fax directly from a PC or forward incoming faxes to a PC
embedded LDAP provides direct access to contact and email data in an existing database
Job Program allows users to save time by defining regularly used functions for repeated use
Job Interrupt temporarily pauses the device, allowing users to copy urgent documents without disrupting the workflow
Reliable, tried and tested technology
Using award winning, tried and tested digital LED printing technology, the ES8451 MFP is reliable and robust, offering high quality scanning and A4 print speeds of up to 34ppm mono and 22ppm colour in high definition.
Intuitive management and control tools
The ES8451 MFP includes a wide range of in-the-box software utilities to help you manage and improve productivity whilst reducing your support costs. For example, control your print usage and user access rights, streamline your document handling and assist with file sharing or archiving.
| Print Speed | A4: 22ppm colour, 34ppm mono; A3: 12ppm colour, 17ppm mono |
| Multifunction | Print, Scan, Copy and Fax |
| Time to first print (TTFP) | 11.5 seconds colour, 9.5 seconds mono |
| Warm up time | 90 seconds or less from power on |
| Processor speed | PowerPC750 500MHz |
| Resolution | ProQ2400 Multi-level technology, 1200 x 600dpi |
| Enhancements | Auto Colour Balance, Photo Enhance via Driver (Windows only) |
| Printer fonts | Scalable: 86 PCL fonts & 136 PostScript fonts, PCL Bitmap fonts, OCR-A/B, USPS ZIP Barcode |
Scan |
|
| Scan Resolution | 600 x 600dpi |
| Scan Speed | Up to 34spm |
| Colour depth | Output 24-bit (8-bit x 3 RGB) |
| Document input | 50-sheet Reverse Automatic Document Feeder (RADF) |
| Contrast | 7 Levels |
| Format | PDF, TIFF, JPEG, XPS |
| Addressbook | LDAP & internal address book |
| Scan to | Folder (CIFS), E-Mail, FTP, HTTP, USB Memory |
Copy |
|
| First copy out | 16 seconds colour, 13 seconds mono |
| Copy speed | 22cpm colour, 34cpm mono |
| Copy resolution | 600dpi |
| Reduction/Enlargement | Zoom 25-400% |
| Maximum copies | 999 |
Fax / SMS |
|
| Fax connectivity | RJ11 x 2 (Line/Tel), PSTN, PBX |
| Fax speed | ITU-T G3 (Super G3) 33.6kbps |
| Speed dials | 500 |
| Groups | 32 |
| Broadcast | Up to 530 |
| Fax memory | 16MB (approx 1,000 pages) |
Operator Panel |
|
| LCD panel | 14.5cm back-lit touch-screen |
| Key pad | 12 numeric, 4 main function buttons, Color & Mono Start, Setup, Job Programs, Reports, Reset, Help, Power Save, Interrupt Key, Fax Job View/Cancel & Stop Key |
Interface and Software (MFP) |
|
| Connectivity | Hi-Speed USB, 10/100-TX Ethernet, Parallel Port |
| Printer language | PCL 5c, PCL 6 (Windows), PostScript (Windows/Mac) |
| Network & protocols | 10Base-T/100Base-TX Ethernet Card with internal Web Server for printer and network card set-up and management. Includes POP3/APOP and SMTP Mail client for submission of print jobs and for alerts. All major network protocols supported - TCP/IP:- ARP, RARP, IPv4/v6, ICMPv4/v6, TCP, UDP, LPR, FTP, TELNET, HTTP(IPP), BOOTP, DHCP, SNMPv1/v3, DNS, DDNS, UPnP, Bonjour, WINS, SSL/TLS, SMTP, POP3, SNTP, WSDPrint, JetDirect protocols, NetBIOSoverTCP, Kerberos. NetWare 3.x, 4.x, 5.x & 6 with full NDS and NDPS support:- PServer, RPrinter, NDPS supported via dedicated OKI NDPS Gateway. Ethertalk:- ELAP, AARP, DDP, AEP, NBP, ZIP, RTMP, ATP, PAP. NetBEUI:- SMB, NetBIOS. Other:- EAP |
| Advanced networking and security | IPv6, 802.1x authentication, IPSec, SNMPv3, SSL3/TLS HTTPS encryption, Secure Erase, Data Encryption, MAC filtering, IP filtering, Secure Print |
| OS Compatibility | Windows 2000 / XP (32-bit & 64-bit) / Server 2003 (32-bit & 64-bit) / Server 2008 (32-bit & 64-bit) / Server 2008 R2 / Vista (32-bit & 64-bit) / 7 (32-bit & 64-bit); Mac OS X 10.3.9 or greater |
| Utility suite | Color Correct, OKI LPR, PrintSuperVision.net, Swatch Utility, Template Manager, Web Driver Installer, WebPrint, Print, Control Server, Print Control Client, Print Control Report Tool, Storage Device Manager, Gamma Utility, Profile Assistant, PDF Direct Utility, Configuration Tool, Actkey |
| Document management | Nuance PaperPort SEv11, Nuance OmniPage SEv16 |
Paper Handling (MFP) |
|
| Paper capacity | Tray 1: 300 sheets of 80gsm; Multi-purpose tray: 100 sheets of 80gsm; RADF: 50 sheets of 80gsm |
| Paper capacity optional tray | 2nd tray + tall cabinet: 530 sheets of 80gsm (Standard on ES8451cdtn); 2nd/3rd tray + short cabinet: 1,060 sheets of 80gsm (Standard on ES8451cdxn) |
| Maximum paper capacity | ES8451dn: 400 sheets of 80gsm; ES8451cdtn: 930 sheets of 80gsm; ES8451cdxn: 1,460 sheets of 80gsm |
| Paper sizes | Tray 1: A3, B4, A4, A5, B5, A6; Tray 2/3: A3, B4, A4, A5, B5; Multi-purpose tray: A3, B4, A4, B5, A5, A6, Envelopes (Com10, DL, C4, C5), Labels (Avery 7162, 7664, 7666), Transparencies, Custom size: Width 64-297mm Length 105-1200mm; RADF: A3, A4, A5, B4, B5; Duplex: A3, A4, A5, B4, B5, Custom size: Width 148.5-297mm Length: 182-431.8mm |
| Paper weight | Tray 1: 64 to 120gsm; Tray 2/3: 64 to 176gsm; Multi-purpose tray: 64 to 200gsm; RADF: 42 to 128gsm; Duplex: 64 to 105gsm |
| Duplex | Standard |
| Paper output | 250 sheets face down, 100 sheets face up |
General Features |
|
| Memory (RAM) | Standard: 512MB (2 x 256MB); Maximum: 768MB (1 x 256MB, 1 x 512MB) |
| Memory (Hard Disk Drive) | 40GB |
| 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�240VAC, frequency 50/60Hz +/- 2% |
| Power consumption | Typical: 700W; Peak: 1300W; Idle: 160W; Power Save: <25W |
| Noise level | Operating: 54dB(A) or less, Standby: 37dB(A) or less, Power save: Background |
| Dimensions (HxWxD) | ES8451dn: 669 x 565 x 658mm; ES8451cdtn: 1130 x 845 x 766mm; ES8451cdxn: 1130 x 845 x 766mm |
| Weight | ES8451dn: 68kg; ES8451cdtn: 95kg; ES8451cdxn: 100kg (includes all consumables) |
| Accessory | Description | Product ID |
512MB RAM![]() |
Enables easy printing in graphic intensive applications and handling of print jobs from many users. | 01182902 |
2nd Paper Tray and Tall Cabinet![]() |
Integrated 530-sheet 2nd paper tray and tall cabinet. Ideal for environments with high print volumes or a higher number of users whilst increasing media flexibility and provides convenient storage for paper and supplies. | 44020403 |
2nd / 3rd Tray and Short Cabinet![]() |
Integrated 1060-sheet 2nd/3rd paper tray and short cabinet. Ideal for environments with higher print volumes or a higher number of users whilst increasing media flexibility and provides convenient storage for paper. | 44020503 |