| Colour | No |
| Print technology | Laser |
| Maximum resolution | 1200 x 1200 DPI |
| Print speed (black, normal quality, A4/US Letter) | 55 ppm |
| Time to first page (black, normal) | 4.5 s |
| Maximum duty cycle | 250000 pages per month |
| Printing colours | Black, White |
| Recommended duty cycle | 3000 - 50000 pages per month |
| Maximum cartridge yield (black) | 45000 pages |
| Total number of input trays | 1 |
| Total input capacity | 550 sheets |
| Total output capacity | 550 sheets |
| Paper input type | Paper tray |
| Multi-Purpose tray | Yes |
| Multi-Purpose tray input capacity | 100 sheets |
| Maximum input capacity | 4400 sheets |
| Maximum output capacity | 2550 sheets |
| Maximum ISO A-series paper size | A4 |
| Paper tray media types | Card stock, Envelopes, Labels, Plain paper, Transparencies |
| ISO A-series sizes (A0...A9) | A4, A5, A6 |
| ISO B-series sizes (B0...B9) | B5 |
| Non-ISO print media sizes | Executive, Folio, Legal, Letter, Statement, Universal |
| Envelopes sizes | 7 3/4, 9, 10, C5, DL |
| Paper tray media weight | 0 - 75 g/m² |
| Paper tray media weight (imperial) | 0 - 9.07 kg (0 - 20 lbs) |
| Standard interfaces | Ethernet, USB 2.0 |
| USB 2.0 ports quantity | 3 |
| USB connector | USB Type-A / USB Type-B |
| Optional connectivity | Fiber, Parallel, Serial (RS-232), Wireless LAN |
| Wi-Fi | No |
| Ethernet LAN | Yes |
| Network ready | Yes |
| Cabling technology | 10/100/1000Base-T(X) |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Internal memory | 1024 MB |
| Maximum internal memory | 5120 MB |
| Built-in processor | Yes |
| Processor frequency | 1000 MHz |
| Processor cores | 2 |
| Sound pressure level (printing) | 57 dB |
| Market positioning | Business |
| Product colour | Black, Grey |
| Built-in display | Yes |
| Colour display | Yes |
| Display diagonal | 10.9 cm (4.3") |
| Touchscreen | Yes |
| Control type | Touch |
| Operating temperature (T-T) | 10 - 32 °C |
| Operating relative humidity (H-H) | 8 - 80% |
| Operating altitude | 0 - 2896 m |
| Sustainability certificates | EPEAT Silver, ENERGY STAR |
| Width | 442 mm |
| Depth | 428 mm |
| Height | 510.5 mm |
| Weight | 25.6 kg |
| Cartridge(s) included | Yes |
| Included cartridge capacity (black) | 11000 pages |
| Description |
| Lexmark M5255. Print technology: Laser. Maximum duty cycle: 250000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 55 ppm. Network ready. Product colour: Black, Grey |
