Lexmark MX431adw Multifunction Mono Laser Printer
Description

The Lexmark MX431adw is a compact multifunction mono laser printer offering printing, copying, scanning, and faxing capabilities in a enterprise-ready footprint. Designed for small workgroups, it delivers rapid output with print speeds up to 40 pages per minute and a first page out in as fast as 5.9 seconds.
- Delivers mono print and copy speeds up to 40 ppm with standard automatic two-sided printing.
- Equipped with a 50-sheet single-pass duplex automatic document feeder (DADF) scanning up to 92 sides per minute in mono and 40 sides per minute in colour.
- Features a 7.2 cm colour touchscreen with built-in cloud connectors for Box, DropBox, Google Drive, and Microsoft OneDrive.
- Offers versatile connectivity via USB 2.0, Gigabit Ethernet, and built-in Wi-Fi.
- Uses Lexmark 55B toner cartridges, available in standard, high-yield, and extra high-yield options up to 20,000 pages.
- Includes a 3,000-page starter black toner cartridge and a 40,000-page imaging unit for setup out of the box.
- Supports the Lexmark Mobile Print app, AirPrint, Mopria, and Lexmark Mobile Assistant for simple setup.
- Full-spectrum security architecture protects information on the device, over the network, and across all endpoints.
For manufacturer information, see the Lexmark MX431adw on Lexmark Australia.
Lexmark MX431adw multifunction mono laser printer orders are fulfilled through distribution centres in Melbourne, Sydney, Brisbane, Adelaide and Perth for delivery across Australia.
Disclaimer: We work hard to keep product details accurate and current, though occasional errors or omissions may occur. Specifications and features can also change without notice. Before purchasing or using a product, we encourage you to check the packaging or product listing, especially for materials or compatibility, to ensure it meets your needs.
Basic Specifications
| Brand | Lexmark |
|---|---|
| Model | MX431adw |
| Functions | Printing, Copying, Colour Scanning, Network Scanning, Faxing |
| Printer Type | Multifunction Mono Laser |
| Workgroup Size | Small Workgroup |
| Recommended Monthly Page Volume | 800 - 8,000 pages |
| Maximum Monthly Duty Cycle | Up to 80,000 pages per month |
| Print Speed | Up to 40 ppm (A4, Black) |
|---|---|
| Duplex Print Speed | Up to 18 spm (A4, Black) |
| Time to First Page | As fast as 5.9 seconds |
| Print Resolution | 2400 IQ (2400 x 600 dpi), 600 x 600 dpi |
| Automatic Duplex | Integrated Duplex |
| Print Emulations | PCL 5c, PCL 5e, PCL 6, PostScript 3, Direct Image |
Copy
| Copy Speed | Up to 39 cpm (A4, Black) |
|---|---|
| Duplex Copy Speed | Up to 18 spm (A4, Black) |
| First Copy Out Time | As fast as 5.9 seconds |
| Reduce / Enlarge Range | 25 - 400% |
Scan
| Scanner Type | Flatbed scanner with ADF |
|---|---|
| ADF Scan Type | DADF (Single-Pass Duplex) |
| Simplex Scan Speed | Up to 46 ipm (Black), 20 ipm (Colour) |
| Duplex Scan Speed | Up to 92 spm (Black), 40 spm (Colour) |
| Optical Scan Resolution | Up to 600 x 600 dpi |
| Maximum Scan Area | 216 x 356 mm |
| Scan File Formats | TIFF, PDF, JPEG, JPG |
| Scan Destinations | e-mail, USB, Network connected computer, FTP |
Fax
| Modem Speed | ITU T.30, V.34 Half-Duplex, 33.6 Kbps |
|---|---|
| Fax Transmission Speed | < 3 seconds per page |
Paper Handling
| Standard Paper Input | 250-Sheet Input Tray, 100-Sheet Multipurpose Feeder |
|---|---|
| ADF Capacity | 50-Sheet Automatic Document Feeder |
| Standard Paper Output | 150-Sheet Output Bin |
| Maximum Paper Input | Up to 900 sheets (with optional 550-sheet tray) |
| Media Sizes Supported | A4, A5, A6, Legal, Letter, Executive, Statement, Folio, Oficio, JIS-B5, Envelopes (7 3/4, 9, 10, DL) |
| Media Types Supported | Plain Paper, Paper Labels, Card Stock, Envelopes |
| Paper Weight Range | 60 - 120 gsm (Standard Tray), 60 - 217 gsm (Multipurpose Feeder) |
Connectivity & Software
| Standard Ports | USB 2.0 (Type B), Ethernet 10/100BaseTX (RJ-45), Built-in Wireless (802.11b/g/n) |
|---|---|
| Mobile Printing | Lexmark Mobile Print app, AirPrint, Mopria Print Service |
| Cloud Integration | Cloud connectors for Box, DropBox, Google Drive, Microsoft OneDrive |
| Network Protocols | TCP/IP IPv4, TCP/IP IPv6, IPSEC, LPR/LPD, WSD, IPP, FTP, HTTP/HTTPS, SNMPv3 |
Display & Hardware
| Display | 7.2 cm (2.8-inch) LCD Colour Touchscreen |
|---|---|
| Processor | Dual Core, 1.0 GHz |
| Memory | 512 MB (Standard & Maximum) |
Consumables
| Toner Cartridges | Lexmark 55B Return Program Toner Cartridges (55B6000 3K, 55B6H00 15K, 55B6X00 20K) |
|---|---|
| Imaging Unit | Lexmark 55B0ZA0 Imaging Unit (up to 40,000 pages) |
| Includes Ink/Toner Consumables | Yes |
| Ink/Toner Models Included | Up to 3,000-page starter black return program toner cartridge and 40,000-page return program imaging unit |
Dimensions & Power
| Dimensions (H x W x D) | 339 x 411 x 366 mm |
|---|---|
| Weight | 12.8 kg |
| Power Consumption | 0.1 W (Hibernate), 1.1 W (Sleep), 580 W (Printing) |
| Noise Level | 53 dBA (Printing), 59 dBA (Copying), 58 dBA (Scanning) |
Warranty
| Warranty | 1-Year Advanced Exchange |
|---|
























