Light, compact, and fast, the MS431dn supports output up to 42 pages per minute, multiple connectivity options, and an optional 550-sheet paper tray.
Get monochrome output at up to 40 pages per minute, with a first page as fast as 5.9 seconds
Connect via Gigabit Ethernet and USB
Two-line display lets you configure, interact with, and monitor vital system information
Lexmark's full-spectrum security architecture helps keep your information safe - in the document, on the device, over the network, and everywhere in between
A range of embedded features harden the device against attacks
Standard Confidential Print feature helps ensure output security via simple PIN
Tech Specs
General
Printer Type
Workgroup printer - laser - monochrome
Bundled Services
1 year Advanced Exchange Service
Printer
Print Speed
Up to 42 ppm - B/W (ISO/IEC 24734) - Letter A Size (8.5 in x 11 in)
Up to 17 ppm - B/W duplex (ISO/IEC 24734) - Letter A Size (8.5 in x 11 in)
Up to 40 ppm - B/W (ISO/IEC 24734) - A4 (8.25 in x 11.7 in)
Up to 17 ppm - B/W duplex (ISO/IEC 24734) - A4 (8.25 in x 11.7 in)
Built-in Devices
Status LCD
Connectivity Technology
Wired
Interface
USB, Gigabit LAN
Max Resolution (B&W)
600 x 600 dpi
Image Enhancement Technology
2400 IQ
Automatic Duplexing
Yes
PostScript Support
Standard
First Print Out Time B/W
5.9 sec
Language Simulation
PCL 5E, PCL 5C, PostScript 3, PCL 6, PDF 1.7
Fonts Included
158 x scalable PostScript
2 x bitmapped PCL
89 x scalable PCL
39 x scalable PPDS
5 x bitmapped PPDS
Barcodes
OCR-A, OCR-B
Media Handling
100-sheet multipurpose tray, 250-sheet input tray
Processor
Processor
1 GHz
RAM
RAM Installed (Max)
256 MB / 256 MB (max)
Media Handling
Media Type
Envelopes, labels, plain paper, card stock
Media Size Class
A4/Legal
Max Media Size
Legal (8.5 in x 14 in), A4 (8.25 in x 11.7 in)
Media Sizes
Letter A Size (8.5 in x 11 in), Legal (8.5 in x 14 in), Executive (7.25 in x 10.5 in), A4 (8.25 in x 11.7 in), A5 (5.83 in x 8.25 in), A6 (4.13 in x 5.83 in), Folio (8.5 in x 13 in), JIS B5 (7.17 in x 10.12 in), Statement (5.5 in x 8.5 in), Oficio (8.5 in x 13.5 in)
Envelope Sizes
US No 10 (4.1 in x 9.5 in), International DL (4.33 in x 8.66 in), International C5 (6.38 in x 9 in), International B5 (6.93 in x 9.83 in), Monarch (3.87 in x 7.5 in), US No 9 (4 in x 9 in)
1 x toner cartridge (black) - up to 3000 pages ISO/IEC 19752
1 x imaging unit - up to 40000 pages
Compliant Standards
FCC Class B certified, UL, C-Tick, cUL, GS, NOM, ICES-003 Class B, CCC, DOC, SII, UL 60950-1, IEC 60950-1, EN 60950-1, BSMI Class B, KCC, IEC 60825-1, FDA, UL-AR, GOST-R, EN 60825-1, KC, CECP, CEL, ECMA-370, EFTA, TER, MET, ISO 532B, TED, CAN/CSA-C22.2 No. 60950-1, DE-UZ 205, EC 1275
Power
Power Device
Power supply
Power Consumption Operational
550 Watt
Power Consumption Stand by
5.5 Watt
Power Consumption Sleep
0.9 Watt
Software / System Requirements
OS Required
Microsoft Windows 2000 Server, Microsoft Windows Server 2008 R2, Microsoft Windows Server 2008, Microsoft Windows Server 2008 x64 Edition, Microsoft Windows 7 (32/64 bits), Microsoft Windows Server 2012, Windows 8 (32/64 bits), Windows 8.1 (32/64 bits), Windows 10, Microsoft Windows Server 2016, SuSE Linux Enterprise Server 12 SP3, Ubuntu 16.04, openSUSE 42.3, Microsoft Windows Server 2019, Linux Fedora 27, SUSE Linux Enterprise Server 15, openSUSE 15, Debian Linux 9.4, Debian GNU/Linux 8.11, Ubuntu 18.04 LTS, Red Hat Enterprise Linux WS 7.5, Linux Fedora 28, Linux Fedora 29, SuSE Linux Enterprise Server 12 SP4
Environmental Standards
EPEAT Compliant
EPEAT Silver
ENERGY STAR
Yes
Manufacturer Warranty
Service & Support
Limited warranty - 1 year - response time: next business day
Environmental Parameters
Min Operating Temperature
50 °F
Max Operating Temperature
89.6 °F
Humidity Range Operating
8 - 80%
Sound Emission (Idle)
14 dBA
Sound Emission (Operating)
53 dBA
Dimensions & Weight
Width
14.5 in
Depth
14.3 in
Height
8.7 in
Weight
20.5 lbs
Dimensions & Weight (Shipping)
Width (Shipping)
16.1 in
Depth (Shipping)
16.5 in
Height (Shipping)
11 in
Weight (Shipping)
23.19 lbs
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