| Colour | N |
| Print technology | LED |
| Duplex printing | Y |
| Maximum resolution | 1200 x 1200 DPI |
| Print speed (black, normal quality, A4/US Letter) | 33 ppm |
| Warm-up time | 17 s |
| Time to first page (black, normal) | 5 s |
| Economical printing | Y |
| Maximum duty cycle | 60000 pages per month |
| Printing colours | Black |
| Number of print cartridges | 1 |
| Page description languages | Epson FX,IBM ProPrinter,PCL 5e,PCL 6 |
| Recommended duty cycle | 250 - 3000 pages per month |
| Total input capacity | 250 sheets |
| Total output capacity | 150 sheets |
| Multi-Purpose tray | Y |
| Multi-Purpose tray input capacity | 100 sheets |
| Maximum input capacity | 880 sheets |
| Maximum ISO A-series paper size | A4 |
| Paper tray media types | Envelopes, Plain paper |
| ISO A-series sizes (A0...A9) | A4,A5,A6 |
| Non-ISO print media sizes | Executive, Legal, Letter |
| JIS B-series sizes (B0...B9) | B5 |
| Envelopes sizes | 9,10,C5,C6,DL,Monarch |
| Photo paper sizes (imperial) | 4x6,5x7" |
| Paper tray media weight | 60 - 120 g/m² |
| Multi-Purpose Tray media weight | 60 - 163 g/m² |
| Duplex media weight | 60 - 120 g/m² |
| Standard interfaces | Ethernet, USB 2.0 |
| Optional connectivity | Wireless LAN |
| Wi-Fi | N |
| Ethernet LAN | Y |
| Network ready | Y |
| Internal memory | 512 MB |
| Sound pressure level (printing) | 53 dB |
| Maximum internal memory | 3072 MB |
| Built-in processor | Y |
| Processor frequency | 667 MHz |
| Sound power level (standby) | 30 dB |
| Product colour | White |
| Built-in display | Y |
| Display | LCD |
| Display number of lines | 2 lines |
| Energy Star certified | Y |
| Power consumption (printing) | 560 W |
| Power consumption (max) | 900 W |
| Power consumption (PowerSave) | 7 W |
| AC input voltage | 230 V |
| AC input frequency | 50/60 Hz |
| Windows operating systems supported | Y |
| Mac operating systems supported | Y |
| Linux operating systems supported | Y |
| Operating temperature (T-T) | -10 - 32 °C |
| Storage temperature (T-T) | -10 - 43 °C |
| Operating relative humidity (H-H) | 20 - 80% |
| Storage relative humidity (H-H) | 10 - 90% |
| Width | 387 mm |
| Depth | 364 mm |
| Height | 245 mm |
| Weight | 12 kg |
| Manual | Y |
| Power LED | Y |
| Stand-by LED | Y |
| Description |
| OKI B412dn. Print technology: LED. Number of print cartridges: 1, Maximum duty cycle: 60000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 33 ppm, Duplex printing. Display: LCD. Network ready. Product colour: White |
