The Lexmark MS331dn is a compact black‑and‑white laser printer built for small workgroups or offices that need reliable, high‑volume text printing. It’s engineered for durability and efficiency, featuring fast print speeds, two‑sided (duplex) printing, a solid build, and modern connectivity through USB and Ethernet. The printer is designed to handle up to several thousand pages per month, with options to expand paper capacity. With a steel frame and lifetime fuser, it focuses on long‑term performance while maintaining a modest footprint.
High Print Speed
Produces up to 40 pages per minute, allowing fast output for documents and reducing waiting times.
Automatic Duplex Printing
Capable of two‑sided printing out of the box, saving paper and making duplex document creation easier.
Compact Footprint
Designed to be small in size so it fits easily on or under desks; its dimensions make it suitable for tighter spaces without sacrificing performance.
Strong Duty Cycle & Recommended Monthly Volume
Supports regular printing workloads with a recommended monthly volume around 500‑5,000 pages, and up to 50,000 pages per month maximum duty, so it can keep up with heavy usage when needed.
High Yield Toner Options
Offers both standard and high‑yield toner cartridges; the high yield version allows many more pages between replacements, reducing maintenance stop‑times.
Fast Time to First Page
The first page comes out in about 6.2 seconds, which means you don’t have to wait long after waking from sleep or starting a print job.
Solid Hardware & Build Quality
Steel frame and a lifetime fuser contribute to durability; built to endure frequent use and help maintain print quality over time.
Good Input‑Output Paper Capacity
Comes standard with enough paper handling for many small office needs (input trays plus a multipurpose feeder) with options to add extra trays for higher capacity up to ~900 sheets.
Broad Media and Paper Support
Supports a variety of media types, sizes, and thicknesses via its standard tray and multipurpose feeder—envelopes, labels, card stock, legal, etc.
Security & Energy Efficiency Features
Incorporates built‑in security features to help protect documents and network communications; also includes energy‑saving modes and qualifies under efficiency/environmental certifications to reduce power usage and operational costs.
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