| Print technology | Laser |
| Printing | Mono printing |
| Duplex printing | Yes |
| Maximum resolution | 1200 x 1200 DPI |
| Print speed (black, normal quality, A4/US Letter) | 44 ppm |
| Duplex print speed (black, normal quality, A4/US Letter) | 22 ppm |
| Time to first page (black, normal) | 6 s |
| Print margins (top, bottom, right, left) | 4 mm |
| Copying | Mono copying |
| Duplex copying | Yes |
| Copy speed (black, normal quality, A4) | 44 cpm |
| Duplex copy speed (black, US Letter) | 23 ppm |
| Time to first copy (black, normal) | 6 s |
| Copier resize | 25 - 400% |
| Scanning | Colour scanning |
| Duplex scanning | Yes |
| Optical scanning resolution | 1200 x 600 DPI |
| Scanner type | Flatbed & ADF scanner |
| Optical scanning resolution (black) | 1200 x 600 ppi |
| Optical scanning resolution (colour) | 600 x 600 ppi |
| Maximum scan area | 215.9 x 355.6 mm |
| Scan technology | CIS |
| Scan to | E-mail, FTP, Image, USB |
| Scan speed (colour) | 22 ppm |
| Scan speed (black) | 45 ppm |
| Duplex scan speed (colour) | 10.5 ppm |
| Duplex scan speed (black) | 20 ppm |
| Image formats supported | JPEG, JPG, TIFF |
| Document formats supported | PDF, XPS |
| Faxing | Mono faxing |
| Fax transmission speed | 3 sec/page |
| Modem speed | 33.6 Kbit/s |
| Maximum duty cycle | 120000 pages per month |
| Printing colours | Black |
| Recommended duty cycle | 2000 - 15000 pages per month |
| Page description languages | Microsoft XPS, PCL 5e, PCL 6, PDF 1.7, PPDS, PostScript 3 |
| Total number of input trays | 2 |
| Total input capacity | 350 sheets |
| Total output capacity | 150 sheets |
| Multi-Purpose tray | Yes |
| Multi-Purpose tray input capacity | 100 sheets |
| Paper input type | Paper tray |
| Auto document feeder (ADF) | Yes |
| Auto document feeder (ADF) input capacity | 50 sheets |
| Auto document feeder (ADF) output capacity | 50 sheets |
| Maximum number of input trays | 5 |
| Maximum input capacity | 2000 sheets |
| Maximum output capacity | 150 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 |
| Non-ISO print media sizes | Executive, Folio, Legal, Letter, Oficio, Statement, Universal |
| Envelopes sizes | 7 3/4, 9, 10, DL |
| Paper tray media weight | 60 - 120 g/m² |
| Direct printing | Yes |
| Standard interfaces | Ethernet, USB 2.0 |
| USB port | Yes |
| USB connector | USB Type-A / USB Type-B |
| USB 2.0 ports quantity | 3 |
| Optional connectivity | Wireless LAN |
| Wi-Fi | No |
| Ethernet LAN | Yes |
| Cabling technology | 10/100/1000Base-T(X) |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Security algorithms | 802.1x RADIUS, LEAP, MD5, MSCHAPv2, PEAP, SSL/TLS, TTLS |
| Supported network protocols (IPv4) | TCP/IP IPv4, AppleTalk, TCP, UDP |
| Supported network protocols (IPv6) | TCP/IP IPv6, AppleTalk, TCP, UDP |
| Management protocols | , APIPA (AutoIP), BOOTP, RARP, mDNS, IGMP, WINS, DDNS, SNMPv3, SNMPv1, SNMPv2c, Telnet, NTP, ICMP, HTTP, DNS, ARP, HTTPs (SSL /TLS), Finger |
| Network printing methods | LPR/LPD, Direct IP (Port 9100), Pull Printing, Microsoft Web Services WSD, Secure IP (Port 96xx), FTP, TFTP, Enhanced IP (Port 9400), ThinPrint .print integration, IPP 1.0, 1.1, 2.0 |
| Authentication method | 802.1x |
| Mobile printing technologies | Apple AirPrint |
| Internal memory | 1024 MB |
| Maximum internal memory | 1024 MB |
| Card reader integrated | No |
| Built-in processor | Yes |
| Processor frequency | 1000 MHz |
| Processor cores | 2 |
| Sound pressure level (printing) | 56 dB |
| Sound pressure level (duplex printing) | 55 dB |
| Sound pressure level (copying) | 56 dB |
| Sound pressure level (scanning) | 55 dB |
| Product colour | Black, White |
| Market positioning | Business |
| Built-in display | No |
| Display diagonal | 10.9 cm (4.3") |
| Touchscreen | Yes |
| Control type | Touch |
| Colour display | Yes |
| Power consumption (printing) | 630 W |
| Power consumption (copying) | 620 W |
| Power consumption (scanning) | 20 W |
| Power consumption (ready) | 14.5 W |
| Power consumption (sleep) | 2.6 W |
| Energy Star Typical Electricity Consumption (TEC) | 1.9 kWh/week |
| Windows operating systems supported | Yes |
| Mac operating systems supported | Yes |
| Linux operating systems supported | Yes |
| Operating relative humidity (H-H) | 8 - 80% |
| Operating temperature (T-T) | 10 - 32 °C |
| Operating altitude | 0 - 5000 m |
| Certification | ICES-003 Class B, BSMI Class B, VCCI Class B, US FDA, UL 60950-1, FCC Class B, cUL CAN/CSA-C22.2 60950-1, NOM, CB EN/IEC 60950-1, CB EN/IEC 60825-1, CE DoC (EN 62301 Class B, EN 62311, CE EN/IEC 60950-1, CE EN/IEC 60825-1, EN 61000-3, EN 55022 Class B, EuP, EN 55024, UL), EFTA (CE), KCC, CCC, CECP, CEL, C-tick DoC, UL-AR, KC mark, UL GS mark, EC 1275, MET-I, ISO 532B, ECMA-370, TED, GOST-R, SII, TER |
| Sustainability certificates | ENERGY STAR |
| Width | 489 mm |
| Depth | 429.5 mm |
| Height | 477 mm |
| Weight | 20.6 kg |
| Package width | 511 mm |
| Package depth | 576 mm |
| Package height | 614 mm |
| Package weight | 23.7 kg |
| Cartridge(s) included | Yes |
| Imaging unit included | Yes |
| Power cord included | Yes |
| Warranty card | Yes |
| Quick installation guide | Yes |
| Harmonized System (HS) code | 84433100 |
| Fonts included | 2 PCL bitmap fonts, OCR-A, OCR-B scalable PCL 5e fonts, For more information, refer to the Technical Reference., 84 scalable PCL fonts, 91 scalable PostScript fonts, 3 of 9 scalable PCL 5e fonts in Narrow, Regular and Wide, 5 PPDS bitmap fonts, 39 scalable PPDS fonts |
| Safety sheet | Yes |
| Software CD | Yes |
| Documentation CD | Yes |
| Finishing option | No |
| Description |
| Lexmark MX521ade. Print technology: Laser, Printing: Mono printing, Maximum resolution: 1200 x 1200 DPI. Copying: Mono copying. Scanning: Colour scanning, Optical scanning resolution: 1200 x 600 DPI. Faxing: Mono faxing. Maximum ISO A-series paper size: A4. Direct printing. Product colour: Black, White |
