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Oki Data > 
Item#: N82E16828107421

OKIDATA B431dn Plain Paper Print Up to 40 ppm Mono LED Network Printer (91659903)

  • Up to 40 ppm
  • Duplex w/ network
  • 1200 x 1200 dpi
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 B431dn

Cartridges Compatible

Cartridges Compatible


Recommended Use
Plain Paper Print
9.60" Height x 15.20" Width x 14.30" Depth
26 lbs.


Output Type
Laser Technology
Black Print Speed
Up to 40 ppm
Black Print Quality
1200 x 1200 dpi
Time To First Page (seconds)
5 sec.
Print Languages, std.
PCL 5e, PCL 6, IBM ProPrinter III XL, Epson FX, PostScript 3
Duplex printing
Max. Duty Cycle
Up to 80,000 pages monthly

Media Handling

Paper Trays, std.
Paper Trays, max.
Input Capacity, std.
350 sheets
Input Capacity, max.
880 sheets
Media Type
Plain Paper, Envelope, Banner Paper
Media sizes supported
A4, A5, A6, B5, B6, C5 Envelope, C6 Envelope, DL Envelope
Monarch Envelope, Legal, Letter, Statement, Executive
Universal, Custom Size, 3.40" x 5.50", 8.50" x 14"


USB Ports
USB 2.0
LPT Ports
Network Ports
Fast Ethernet

Hardware SPEC

Memory, std.
64 MB
Memory, max.
320 MB
Power Requirements
Input Voltage: 110 V AC


Windows Compatible
Windows 7/x64, Vista/Vista x64, XP Home Edition/Professional/ x64 Edition, 2008, 2003 Server/x64 Edition, Enterprise Server/ x64 Edition, Data Center Server/x64 Edition, 2000 Workstation/ Professional/ Server/Advanced Server (SP4 or later)
Macintosh Compatible
Mac OS X 10.3 and higher


Form Factor: Desktop

Green Compliance: Yes

Green Compliance Certificate/Authority: Energy Star

Manufacturer Warranty

1 year limited
1 year limited

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Oki Data B431dn

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  • Kyle Z.
  • 4/13/2014 3:39:56 PM
  • Tech Level: Average
  • Ownership: more than 1 year

5 out of 5 eggsBest Printer I ever Bought

Pros: This thing is awesome. I have it hooked to my router and 8 computers access it wired and wirelessly through the router. I loaded the driver software disc into each computer, some with XP, XP Pro, Vista 64 bit, 7 and a Mac Mini with OSX before Maverick came out. The most interesting thing about the setup was the Mac just recognized it on the network and no disc was necessary for that 1 computer. I have saved a ton of money on regular inkjet ink. It is the fastest I have ever had, but it is also the only Laser (LED).

Cons: NONE

Other Thoughts: Just came back to get another one for a friend that has been having all kinds of trouble with inkjet.

Did you find this review helpful? Yes No

  • James F.
  • 9/29/2013 4:43:52 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat Printer

Pros: Great printer, one of the best I have ever owned. I replaced two Brother HL-5240 printers with this one. The Brothers were very nice printers, but this Oki is nicer made. I plan to buy one more as a back up in the next few weeks.

Cons: It was a bit stinky when it printed the first hundred pages. It give you a blast of a chemical smell as the paper feeds out. I asked the Oki tech about this while calling in to figure out how the front paper feed works. They said it has a very hot toner fuser and that is what you smell. The smell seems to be gone now. Never did figure out how to individual sheet feed from the front.

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  • Jamal T.
  • 7/5/2013 10:08:00 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsStill Tank Tough

Pros: Quiet, Fast, easy setup, durable, duplexes, and very good consumables.

Cons: Ethernet isn't gigabit, stock RAM is a bit low, accessories from Oki are outrageously priced.
Prints with large areas of gray or black exhibit some banding, but it's not terrible, and doesn't detract from the overall print quality.

Other Thoughts: This is my 2nd B431dn, and this one I got for the amazing price of $154.98, basically half price. This one I setup for my mother, took maybe 5 minutes to get it un-boxed, plugged in and setup on the network.

I added N82E16820239355 which is a 256MB DIMM that is compatible with this printer, bringing the RAM to 320MB, enough to handle pretty much any document you have. At $15, it was a no brainer when the Okidata version of that DIMM is $280, nearly twice what I paid for the printer.

I've been using Okidata printers for nearly 30 years (I feel so OLD...) and have rarely been let down by them I do wish their 2nd paper trays and other accessories were not so wildly expensive though.

1 out of 1 people found this review helpful. Did you? Yes No

  • Richard T.
  • 7/5/2013 8:29:53 PM
  • Tech Level: High
  • Ownership: less than 1 day

5 out of 5 eggsPhenomenal! Where have you been all my years OKI??

Pros: FAST FAST FAST! I thought I would have to spend $500+ to get a fast laser printer. NOT THE CASE with OKI!

Really easy setup. I set the IP to manual using the small 3 inch LCD window on the printer itself and it was easy as pie.

Cons: It wasn't free?!? I couldn't possibly list a con for this printer.

Other Thoughts: So tired of HP/Brother/Dell/etc. games with inkjet cartridges that have a count set or "expiration date" on the ink. My HP all-in-one inkjet L7780 suddenly stopped working and told me the cyan cartridge was past it's expiration date. All attempts to reset, reseat, and finally replace it failed. The printer became stuck on "aligning." Ridiculous. I am done paying $80+ for the inkjet cartridges. Found this OKI and ordered it based on the reviews on Newegg. (actually the small family owned company I work for bought it - hence why my review isn't a "verified purchase.") I was just so impressed by it I had to leave a review for it.


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  • Jason H.
  • 2/2/2013 5:49:56 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsBUY IT!

Pros: Is a workhorse, doesn't suck up toner, works well in a dusty warehouse. Price is good

Cons: has had a couple issues where it thought it had a jam but not really a con, probably due to the dusty environment

Other Thoughts: Story time... We had 4 brand-new Dell 3330dn printers ($500ea) that came in our new warehouse management package. They all sat in storage for 12 months while we prepared for the transition, (which caused the warranty to expire) Than after go-live and literally only 3 months of use, 1 of them, whether from being overworked or not, got too hot and melted some plastic cover on one of the rollers which messed the whole thing up, So I call Dell and get shafted because the warranty is up and they wanted $250 bucks for the new fuser assembly! Found this oki for $250 that same day and bought it, 3 months later I ask the warehouse guys how they like it.... they say it prints faster, uses wayyy less toner, & never bugs out not to mention the toner is around $60 cheaper. This may be sounding like a dell bash so I wont bring up all the other problems Ive been having with the remaining 3. It just makes me mad to think Dell wants $500 for a printer that is supposed to be the same caliber as this one if not better and wont even back it up. I got 2 oki's now (c330dn) and these 2 printers are the only ones out of my mix of Dell, HP, Canon, & Ricohs that have never once given me any issue since I first set them up. Needless to say I'm a dedicated OKI customer from here on out, Keep up the good work and affordable prices OKI!

1 out of 1 people found this review helpful. Did you? Yes No

  • Eric J.
  • 11/19/2012 8:57:19 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month

5 out of 5 eggsGood Linux printer

Pros: This is my 3rd Okidata LED printer in 18 years. The 2nd one is 12 years old and still works fine, I just wanted duplexing. The B431dn has higher resolution, 40ppm and both PCL5 and Postscript 3 capability.

I dualboot Win7/Kubuntu. The B431 was instantly recognized by Kubuntu 12.10 via USB. Duplexing, PCL and PS are fully supported using the large selection of available Linux drivers. If you use Kubuntu 12.10, make sure you turn off the "reject all printer jobs" box which is enabled by default. Installing Win7 drivers was more problematic than Kubuntu, because hotplugging the USB cable wouldn't trigger the Add New Hardware wizard. That may be a problem with the USB port in my computer. I intalled the Win7 driver manually instead.

The B431 really is fast, both to the first page and per page. I initially printed a 300 page duplexed document, and there were no jammed pages or problems of any kind. It sure is nice to have reliable duplexing!

I haven't tried networking yet.

Cons: None.

1 out of 1 people found this review helpful. Did you? Yes No

  • James W.
  • 10/20/2012 7:30:19 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSecond Printer

Pros: Works really well. Prints fast. Text is crisp. Warm-up time is pretty quick.

Cons: Doesn't come with any cables other than a power cable, which is unfortunate. I am not crazy about the color, but I knew it was black before I bought it so that really isn't a con. Maybe I am too hung up on the color, but my computer and other stuff is beige and I would have preferred a beige printer as well.

I set it up on a network and I had a small issue with setting a static IP Address for the printer. It was nothing I couldn't handle, but it took me a little while to figure out how to do it. I have two of these printers and as I recall, when I connected the last printer to the network I had the same problem. I just forgot how I solved it so I had to figure it out all over again.

Other Thoughts: I have another one of these printers which I bought several months ago. It works so well that when they were on sale here a little while ago with discounts, I ended up getting another one. I figured for $199 it was an offer I couldn't refuse, so I bought a second one. It is working great, and the wife and the two daughters love having two printers.

0 out of 2 people found this review helpful. Did you? Yes No

  • Harold S.
  • 9/19/2012 8:29:09 AM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsOkidata B431dn

Pros: Easiest printer to set up I've ever owned.I have a home network and ran the software,hooked up an ethernet cable to the router worked great.Ran software on my wireless laptop and found the printer in less than 5 min.I'm very happy with this printer.

Cons: None

Did you find this review helpful? Yes No

  • Van R.
  • 7/17/2012 12:43:21 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsGreat little printer

Pros: All OKI printers seem to sip toner, I actually get more pages than they list. The overall toner cost is about 40% less than the HP it replaces.

Print cost is awesome.
Print quality is spectacular.

Cons: The driver had to be installed manually on Windows 7x64 for some reason

Other Thoughts: We are switching our entire office over to OKI printers because the toner cost is so much lower than HP or Brother. In the end it will only take 3 months for 5 printers to pay for themselves.

2 out of 2 people found this review helpful. Did you? Yes No

  • James W.
  • 3/13/2012 6:41:18 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

Pros: We were using a HP Laserjet 4 Plus but it was getting pretty old and was starting to have problems so we went with a new printer rather than repairing the old one.

Fairly easy to set up on a home network. Prints very fast and the text is sharp and crisp.

Cons: I am not crazy about the color but that's not really a con, just a personal preference.

Other Thoughts: This really is a nice printer, I got it when it was on sale for $249 so it was an even better deal. But even at the current price it is still a good buy. I would recommend this printer for a home or business use. We use it for home use, (two daughters in college) and the wife does some computer work for local organizations.

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Oki Data > 
Item#: N82E16828107421
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