Lexmark MS521dn Monochrome Laser Printer - Model 36S0300
The Lexmark MS521dn is a business-class monochrome laser printer designed for offices, warehouses, and demanding work environments that need fast output, dependable reliability, and low-maintenance performance. Built for productivity, this printer delivers print speeds up to 46 pages per minute, standard automatic duplex printing, strong security features, and flexible media handling in a compact and durable design. With support for long-life components, high-yield toner options, and expandable paper capacity up to 2,000 sheets, the MS521dn is a strong choice for businesses that need professional black-and-white printing every day.
Key Features
Fast monochrome laser printing up to 46 ppm
Automatic duplex printing
2.4-inch color LCD display
Gigabit Ethernet and USB 2.0 connectivity
Standard input capacity: 350 sheets
Maximum input capacity: 2,000 sheets
100-sheet multipurpose feeder
150-sheet output bin
Print resolution up to 1200 x 1200 dpi
Time to first page as fast as 6.0 seconds
512 MB memory
1.0 GHz processor
Strong network and document security features
ENERGY STAR certified
Supports media sizes from A6 to Legal
Replacement cartridge yields up to 25,000 pages
Performance and Productivity
The Lexmark MS521dn is built for fast and efficient business printing. It produces monochrome documents at up to 46 pages per minute and supports duplex print speeds up to 23 spm. First page output is as fast as 6.0 seconds, helping reduce wait times in busy office settings. Long-life components and high-yield cartridge support help lower maintenance interruptions and operating costs.
Security and Reliability
Lexmark’s full-spectrum security approach is built into the MS521dn to help protect information in the document, on the device, and across the network. Security support includes SNMPv3 and 802.1x authentication methods such as MD5, MSCHAPv2, LEAP, PEAP, TLS, and TTLS. The printer is also designed for reliable performance in showroom, warehouse, and office environments with fewer interventions.
Media Handling
The MS521dn supports a wide range of paper sizes and media types for flexible business printing. The included 250-sheet input tray and 100-sheet multipurpose feeder provide a standard input capacity of 350 sheets, while optional paper trays allow expansion up to 2,000 sheets. The standard output bin holds up to 150 sheets. Supported media sizes include A6, Oficio, 7 3/4 Envelope, 9 Envelope, JIS-B5, A4, Legal, A5, Letter, Statement, Executive, Universal, DL Envelope, Folio, and 10 Envelope. Supported media types include plain paper, envelopes, card stock, transparencies, labels, and specialty media.
Energy Efficiency
This printer includes power-saving and energy management features designed to reduce consumption during active use and sleep mode. Average power usage is 620 watts while printing, 8 watts in ready mode, 1.31 watts in sleep mode, and 0.1 watts in hibernate mode. The MS521dn is ENERGY STAR certified and has a typical electricity consumption of 0.6 kilowatt-hours per week.
Detailed Specifications
Brand: Lexmark
Model Number: 36S0300
Part Number: 36S0300
Printer Type: Monochrome Laser Printer
Printing Technology: Laser
Color Output: Black and White
Special Feature: Auto-Duplex
Display: 2.4-inch Color LCD Display
Processor Speed: 1.0 GHz
Memory: 512 MB
Maximum Memory: 512 MB
Hard Disk: Not Available
Connectivity Technology: USB, Ethernet
Standard Ports: Gigabit Ethernet (10/100/1000), USB 2.0 Hi-Speed Certified Type-B
Direct USB: No
Ethernet Network: Yes
Wireless: Wireless Option
Optional Network Ports: Marknet N8370 WiFi Option
Print Speed: Up to 46 ppm
Duplex Print Speed: Up to 23 spm
Time to First Page: As fast as 6.0 seconds
Print Resolution: 1200 x 1200 dpi, 2400 IQ (2400 x 600 dpi), 300 x 300 dpi, 600 x 600 dpi, 1200 IQ (1200 x 600 dpi)
Duplex Printing: Integrated Duplex
Printable Area: 0.16 inches from top, bottom, left, and right edges
Standard Input Capacity: 350 sheets
Maximum Input Capacity: 2,000 sheets
Paper Input Sources: Standard 2, Maximum 5
Multipurpose Feeder Capacity: 100 sheets
Standard Output Capacity: 150 sheets
Maximum Output Capacity: 150 sheets
Included Paper Handling: 100-Sheet Multipurpose Feeder, Integrated Duplex, 150-Sheet Output Bin, 250-Sheet Input Tray
Optional Paper Handling: 550-Sheet Lockable Tray, 250-Sheet Tray, 550-Sheet Tray
Supported Media Sizes: A6, Oficio, 7 3/4 Envelope, 9 Envelope, JIS-B5, A4, Legal, A5, Letter, Statement, Executive, Universal, DL Envelope, Folio, 10 Envelope
Supported Media Types: Paper Labels, Card Stock, Plain Paper, Transparencies, Envelopes
Paper Weight Range Supported: 16 - 32 lb. Standard Tray, 16 - 58 lb. Multipurpose Feeder
Recommended Monthly Page Volume: 2,000 - 15,000 pages
Maximum Monthly Duty Cycle: Up to 120,000 pages per month
Laser Cartridge Yields: 6,000-page cartridge, 15,000-page high yield cartridge, 20,000-page extra high yield cartridge, 25,000-page ultra high yield cartridge
Cartridge Included: 5,000-page Return Program Toner Cartridge
Imaging Unit Estimated Yield: Up to 60,000 pages
Printer Languages: PCL 5e Emulation, PCL 6 Emulation, PPDS, PostScript 3 Emulation, PDF 1.7 emulation, Direct Image, AirPrint
Touch Screen Display: No
Network Protocol Support: TCP/IP IPv6, TCP/IP IPv4, TCP, UDP
Network Printing Methods: LPR/LPD, Pull Printing, Microsoft Web Services WSD, Secure IP, FTP, TFTP, Enhanced IP, ThinPrint, IPP 1.0, 1.1, 2.0
Network Management Protocols: DHCP, APIPA, mDNS, IGMP, WINS, DDNS, SNMPv3, SNMPv1, SNMPv2c, Telnet, NTP, ICMP, HTTP, DNS, ARP, HTTPS, Finger
Network Security: SNMPv3, 802.1x Authentication, MD5, MSCHAPv2, LEAP, PEAP, TLS, TTLS
Supported Operating Systems: Windows, Apple OS X, Linux, Citrix MetaFrame, Novell, UNIX
ENERGY STAR: Yes
ENERGY STAR Typical Electricity Consumption: 0.6 kWh per week
Noise Level: 14 dBA idle, 56 dBA printing
Duplex Print Noise Level: 55 dBA
Average Power: 0.1 watts hibernate, 1.31 watts sleep, 8 watts ready, 620 watts printing
Operating Temperature: 50 to 90 degrees F
Operating Humidity: 8 to 80 percent relative humidity
Operating Altitude: 0 to 5000 meters
Product Dimensions (H x W x D): 10.2 x 15.7 x 14.7 inches
Product Weight: 31.1 lb.
Certifications: ENERGY STAR and multiple international compliance certifications
UNSPSC Code: 43212105
Harmonized Tariff Code: 8443.32.1010
Country of Origin: US/Canada/LV LAD - Mexico, LA HV, AP & EMEA - PRC
Professional Use
The Lexmark MS521dn is ideal for businesses that need fast monochrome printing, dependable duplex output, flexible paper handling, strong device security, and lower long-term operating costs in a professional office printer.
