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Laser Printers > 
Oki Data > 
Item#: 14R-0040-00001

MB451w MFP 120V

  • 4-in-1: Print, Copy, Scan & Fax
  • Up to 30 ppm
  • 2400 x 600 dpi Black Print Quality
  • Ethernet 10/100BaseTX (RJ-45)
  • Up to 50,000 pages monthly
  • 256 MB Memory, std.
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the Oki Data MB451w

Cartridges Compatible

Cartridges Compatible
44992405 BK


Recommended Use
MFC / All-In-One
4-in-1: Print, Copy, Scan & Fax
3.5" backlit LCD display; 1-Touch function buttons; Alphanumeric keypad
16.8" x 16.7" x 17.9"
Approx. 44.09 lbs.


Output Type
Laser Technology
Black Print Speed
Up to 30 ppm
Black Print Quality
2400 x 600 dpi
Duplex printing
Max. Duty Cycle
Up to 50,000 pages monthly


Copy Speed, Black
Up to 30 cpm
Copy Quality, Black
600 x 600 dpi
Max. Document Enlargement
Max. Document Reduction
Max. Number of Copies


Scan Element
Scan Resolution, Optical
600 dpi


Fax Memory
4 MB
Modem Speed
Fax Features
Fax from PC; Fax to email; Fax to fax server; Internet Fax (T.37); Transmit - from memory, manual; Auto redial; Receive - auto, to memory, manual; Dual access; Delayed transmit; Broadcast; Auto Fax/Tel switch; Distinctive ring detection; Time/Date stamp

Media Handling

Input Capacity, std.
250 sheets + 100-sheet Multipurpose Feeder; RADF - 50 sheets
Media sizes supported
Multipurpose Feeder: 3" x 5" SEF up to 8.5" x 52" banner, com-10, com-9, C5, C6, DL and Monarch envelopes; Tray 1: Letter, Legal 14"/13.5"/13", Statement, A4, A5, B5 (JIS); Duplex: Letter, Legal 14"/13.5"/13", A4, B5 (JIS); RADF: Letter, Legal 14"/13.5"/13", A4, A5, B5 (JIS); Platen Glass: Letter, A4, A5, B5 (JIS)


USB Ports
Network Ports
Ethernet 10/100BaseTX (RJ-45)
Other Ports
Wireless Lan
Connectivity Technology
Wireless 802.11b/g/n

Hardware SPEC

Noise Level (Approx.)
Operating (Printing/Scanning/ Copying) 55dB(A) or less; Standby 30dB(A)
Memory, std.
256 MB
Memory, max.
256 MB
Power Requirements
Power Consumption
Idle: 80W; Max: 950W; Typical: 580W; Power Save: <18W; Sleep: <3W; Power Off: <0.5W


Windows Compatible
Windows 7 (32/64-bit), Vista (32/64-bit), XP (32/64 bit), Server 2008 (32/64-bit), Server 2008 R2 (64-bit), Server 2003 (32/64-bit)
Macintosh Compatible
Mac OS X 10.4.0 - 10.7.2


Professional, affordable solutions - print, copy, scan and fax

Versatile and reliable

Compact design, ideal for small office or small workgroup

Fast black & white printing and copying at up to 30 ppm/cpm

Wi-Fi CERTIFIED wireless connectivity standard

Ethernet and USB connectivity standard (including walk-up USB slot)

Duplex (2-sided) printing/copying standard

Multi-tasking functionality standard, enabling two tasks to be performed at once

Color scanning with send-to functionality

Document management through Nuance PaperPort, OCR with Nuance OmniPage

Operator panel with backlit 3.5" LCD display, 1-touch function buttons, alphanumeric keypad

50-sheet reversing duplex automatic document feeder (RADF - scans both sides)

ENERGY STAR compliant

Quick Info

Customer Reviews of the Oki Data MB451w

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  • Robbie D.
  • 9/11/2013 8:05:13 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

2 out of 5 eggsGreat Plan - Poor Execution

Pros: This machine has plenty of features, and was on sale for 129.95 when I purchased it. It was a great deal for the price. The print quality is good and the machine seems to work very well and doesn't have problems with jams.

Cons: The setup process is HORRIBLE for basic users. I'm a techie with plenty of experience building PC's and setting up small networks. It took hours to get this machine set up properly and I had to scour the internet for proper documentation. The on-command fax reception feature only seems to work about 50% of the time. The rest of the time the machine thinks you want to send a fax instead of receive one. Also, the printer has a duty cycle of 50,000 pages per month but they designed it with a toner cartridge that's only good for 1500 pages. It's a decent machine, but there are way better products in the same price range. I've had good luck with Oki products in the past, but I don't think I'll be purchasing anything from them in the future.

Other Thoughts: If you're an IT professional that needs a multi-function machine without a lot of toner capacity, this might be a decent product. For an amateur use, the setup process is a nightmare, and for a professional that does a lot of printing, having to constantly replace toner cartridges is both annoying and expensive in comparison to other units. The $99 Brother printer I bought this to replace had toner cartridges available for 10K page capacity. This one only has 1500 page cartridges.

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Home > 
Computer Hardware > 
Printers / Scanners & Supplies > 
Laser Printers > 
Oki Data > 
Item#: 14R-0040-00001
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