Lexmark MS331dn Monochrome Laser Printer
- 40 pages per minute, black and white
- 2400 IQ (2400 x 600 dpi) and 600 x 600 dpi resolution
- 6.2 second first page
- 250 sheets maximum, legal size supported
- Automatic duplex, Ethernet and USB
- Optional 550 sheet paper tray
- Print only, LCD touch control
Last refreshed Sep 23, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A light, fast mono laser for an office desk with automatic duplex and an optional large tray. It prints only, and the box is described as a setup guide.
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ASIN: B08773NSRBModel: MS331dnCategory: Laser Printers
Overview
An automatic duplex unit and an LCD touch panel define this Lexmark mono laser, which prints black pages over Ethernet or USB. The body is described as light and compact, with a tray upgrade available.
Speed and a quick first page suit an office desk where several people print. The limit is scope: it is print only, with a single tray and no wireless connection listed.
Who it's for
Small offices and home workers who print documents and letters on a network will use the speed and duplex. Buyers who want scanning, Wi-Fi or color should consider other models.
Pros and cons
- Fast black and white output
- Automatic two-sided printing
- Legal size supported
- Optional large paper tray
- Print only, no copy or scan
- No wireless connection listed
- Single tray in base form
Performance notes
The laser engine sets the page rate, and the quick first page time helps short jobs. Automatic duplex handles the second side inside the unit. The optional tray adds paper capacity for longer runs.
Specifications
| Brand | Lexmark |
|---|---|
| Model | MS331dn |
| Dimensions & fit | |
| Item Dimensions D x W x H | 14 x 14 x 9 inches |
| Maximum Media Size | Legal (8.5 x 14 inches) |
| Item weight | 21 pounds |
| Capacity & performance | |
| Printer Output Type | Monochrome |
| Maximum Sheet Capacity | 250 sheets |
| Wattage | 550 watts |
| Compatibility & installation | |
| Printer Connectivity Type | USB |
| Hardware Interface | Ethernet, USB |
| Warranty & support | |
| Warranty Description | 1 year manufacturer |
| Other details | |
| Resolution | 2400 IQ (2400 x 600 dpi), 600 x 600 dpi |
| Additional Printer Functions | Print only |
| Duplex | Automatic |
| Printer Type | Laser |
| Number of Trays | 1 |
| Control Type | Touch |
| Display Type | LCD |
| First page out | 6.2 seconds |
| Optional tray | 550 sheets |
| Print media | Plain paper |
| BW Pages per Minute | 40 pages per minute |
Frequently asked questions
How big is the Lexmark MS331dn and how much does it weigh?
The listing gives 14 x 14 x 9 inches and 21 pounds, and the description calls it light and compact.
What comes in the box with the Lexmark MS331dn?
The listing names a setup guide only. Toner and cables are not described, so confirm with the seller.
Does the Lexmark MS331dn have Wi-Fi?
No wireless connection is listed. The connections given are Ethernet and USB.