Lexmark MS821dn Monochrome Laser Printer Duplex

Overview

The Lexmark MS821dn Monochrome Laser Printer delivers enterprise-class performance, exceptional durability, and advanced security features for demanding workgroups. With blazing print speeds of up to 55 ppm and first-page-out times as fast as 4.5 seconds, this high-efficiency duplex printer is built for fast-paced office environments. Powered by a robust 1 GHz dual-core processor and 512 MB of onboard memory (expandable to 4.5 GB), the MS821dn handles complex jobs effortlessly while maintaining sharp, consistent output at 1200 × 1200 dpi.

The MS821dn is part of Lexmark’s most energy-efficient line of large-workgroup monochrome devices, featuring EPEAT® Silver and ENERGY STAR® (2.0) certifications. Its intuitive 2.4-inch color LCD, ADA-compliant trays, front-access paper path, and tool-free maintenance make it easy to operate and manage. With standard duplex printing, enterprise-grade security, and a maximum input capacity of up to 4,400 sheets, this printer is engineered for reliability and long-term productivity.

Key Features

• High-Speed Output: Up to 55 ppm with fast 4.5-second first-page performance.
• Enterprise Processing Power: Dual-core 1 GHz CPU with expandable memory up to 4.5 GB.
• Professional Quality: Crisp 1200 × 1200 dpi prints ideal for text-intensive applications.
• Automatic Duplexing: Built-in two-sided printing for improved efficiency and reduced paper use.
• Advanced Security: GDPR-compliant platform with award-winning document protection.
• High-Volume Ready: Duty cycle up to 250,000 pages; toner yields up to 55,000 pages.
• Designed for Accessibility: ADA-compliant trays and easy front-access maintenance.
• Energy Efficient: ENERGY STAR® 2.0, Blue Angel, and EPEAT® Silver certified.

Compatible Printers

• Lexmark MS821dn (this model)
• Members of the MS820 series using similar consumables and accessories

Specifications

Installation & Use

Unpack the Lexmark MS821dn, install the starter toner and imaging unit, load paper into the ADA-compliant trays, and connect via USB or Ethernet. Use the 2.4-inch LCD interface for guided setup, network configuration, and security settings. Duplex printing is enabled by default for efficiency.

Troubleshooting

• Paper skew or jams: Check front-access paper path and ensure trays are properly aligned.
• Faded output: Replace toner or verify print density settings.
• Network issues: Restart the device and confirm Ethernet/USB status in settings.
• Security alerts: Use Lexmark’s embedded security menu to update certificates or policies.

About TonerParts

TonerParts is a leading Canadian provider of OEM and compatible printing solutions. Based in North Vancouver since 2003, we supply printers, toner, fusers, and maintenance kits with fast shipping across Canada and the USA. We prioritize quality, reliability, and professional support for organizations of all sizes.

Related Links

• Shop All Lexmark Products
• Monochrome Laser Printers
• Lexmark MS820 Series Supplies