Lexmark MS620/MS621dn Desktop Laser Printer — Monochrome

Discover the Lexmark MS620 and MS621dn, a compact, high‑speed monochrome desktop laser printer designed to power busy offices with reliability and efficiency. Engineered for outstanding print speed, this printer delivers up to 50 pages per minute (letter), so you can move from draft to final with minimal delay. Its robust build and enhanced security features make it a dependable centerpiece for showrooms, back offices, and warehouses alike, where consistent quality and durability matter most. The MS620/MS621dn family combines a small footprint with a powerful print engine, enabling teams to print professional, legible documents—ranging from client proposals to invoices—without sacrificing space or performance.

• High-speed monochrome printing up to 50 pages per minute (letter), ensuring rapid turnaround on reports, memos, and client-facing documents for even the busiest workdays.
• Professional output with crisp text and bold, legible typography thanks to Lexmark’s precision printing and high-resolution capability designed for clear business documents.
• Built-in security features to protect sensitive information, including secure print options and authentication methods that help safeguard data across networked workgroups.
• Network-ready design with Ethernet connectivity for easy sharing across multiple users and departments, plus automatic duplex printing to reduce paper usage and lower costs.
• Compact, durable desktop footprint built to withstand heavy workloads in diverse environments—from showroom floors to warehouse docks—while delivering long-term reliability and straightforward maintenance.

Technical Details of Lexmark MS620/MS621dn

• Printer type: Monochrome laser printer designed for desktop use
• Print speed: Up to 50 pages per minute (letter)
• Print quality: Up to high-resolution monochrome output for sharp, professional text
• Duplex capability: Automatic two-sided printing for efficient paper usage
• Connectivity: Ethernet (network-ready) with supported standard interfaces for shared office use
• Memory and processing: Robust processing for consistent performance with scalable memory options
• Paper handling: Flexible media support and tray options suitable for common office sizes such as Letter, A4, and Legal
• Security features: Integrated data protection and secure print options to safeguard documents on the network
• Energy and reliability: Designed for efficient operation and long service life in busy work environments

How to Install Lexmark MS620/MS621dn

• Choose a stable, well-ventilated location near a power outlet and a wired network connection to maximize performance and minimize cable clutter.
• Unpack the printer, remove all protective packaging, and install the toner cartridge according to the quick-start guide. Confirm proper seating before powering on.
• Load the input media tray with the recommended paper type and sizes (e.g., Letter or A4). Align the media guides so the stack lies flat and feeds smoothly.
• Connect the printer to power, then attach the Ethernet cable to your network switch or router. Ensure the network port is active and reachable from your computers.
• Install the printer driver on each computer that will print to the MS620/MS621dn. Use the Lexmark support site or accompanying installation media and follow on-screen prompts to complete the setup.
• Configure network settings and print queues on your devices. If your organization uses centralized login or secure print, enable the appropriate options in the printer properties.
• Run a Print Test page from a connected computer to verify communication, print quality, and that duplex printing functions are correctly configured.

Frequently asked questions

• Q: Is the Lexmark MS621dn a monochrome printer? A: Yes. It is a monochrome laser printer designed for high-contrast black-and-white output suitable for business documents.
• Q: Does this model support duplex (two-sided) printing? A: Yes. The MS620/MS621dn includes automatic duplex printing to help reduce paper usage and costs.
• Q: What kind of network connectivity does it offer? A: It provides built‑in Ethernet networking to share the printer across multiple users and devices in an office environment.
• Q: What media sizes are supported? A: It supports common office media sizes such as Letter, A4, and Legal, with options for envelopes depending on tray configuration.
• Q: How reliable is the MS620/MS621dn for heavy workloads? A: The printer is designed for robust, long-term operation in busy environments, offering a durable build and steady performance for high-volume printing.