38S0415

Overview

Lexmark MS631dw A4 Mono Laser Printer
The Lexmark MS631dw is a high-performance A4 monochrome laser printer designed for busy office environments that require fast, reliable, and secure document output. It delivers professional-quality black and white printing with a strong focus on productivity, connectivity, and efficient paper handling. Built for medium workgroups, it supports demanding print volumes while maintaining consistent output quality and operational stability.

Description

The Lexmark MS631dw mono laser printer combines speed, security, and enterprise-grade reliability in a compact office device. It supports rapid print performance up to 50 pages per minute, automatic two-sided printing, and advanced connectivity options including WiFi, Gigabit Ethernet, USB, AirPrint, and Mopria. With a responsive 2.8-inch colour touchscreen, users can manage print jobs and settings with ease. Designed for scalable office environments, it also supports high monthly duty cycles and flexible paper input expansion.

Part Number / SKU: 38S0415 (also referenced as 38S0400 in manufacturing documentation)

Features

High-performance printing for demanding office workloads
Engineered for productivity, the MS631dw is built to handle continuous printing in medium-sized workgroups. It delivers sharp text output at up to 1200 x 1200 dpi resolution, ensuring clear and professional documents every time.

Key performance points include:

• Print speed up to 50 ppm for high-volume tasks
• First page output in as fast as 6 seconds
• Automatic duplex printing for reduced paper usage
• Monthly duty cycle up to 175,000 pages
• Recommended volume between 2,000 and 20,000 pages per month

Smart connectivity and flexible integration
The printer is designed for modern hybrid office environments, offering a wide range of connectivity options for seamless integration into existing networks.

Supported connections include:

• Gigabit Ethernet (10/100/1000)
• Dual-band WiFi (802.11 b/g/n/ac with BLE)
• USB 2.0 Type A and Type B ports
• Mobile printing via AirPrint and Mopria

It also supports secure network protocols and remote management tools, making it suitable for IT-managed environments and distributed teams.

Paper handling and media flexibility
The Lexmark MS631dw supports a wide range of paper types and sizes, making it adaptable for everyday office printing and specialised document tasks.

Paper handling capabilities:

• Standard input capacity of 650 sheets
• Maximum expandable input up to 2300 sheets
• 100-sheet multipurpose feeder for special media
• 250-sheet output bin for continuous printing workflows
• Optional trays available for expanded capacity

Supported media includes plain paper, card stock, envelopes, labels, and specialty formats such as A4, A5, Legal, Executive, and various envelope sizes.

Security and enterprise-level protection
Security is embedded into the device architecture, making it suitable for organisations handling sensitive data. The Trusted Platform Module (TPM) enhances protection through hardware-based security functions.

Security highlights:

• Built-in TPM with cryptographic capabilities
• Secure boot and system integrity checks
• SNMPv3 and SSL encryption support
• 802.1x authentication and port access control
• Network traffic protection across IPv4 and IPv6 environments

These features help reduce exposure to cyber threats while ensuring compliance with enterprise security standards.

Sustainable and durable design approach
The MS631dw is designed with long-term efficiency and environmental responsibility in mind. It incorporates recycled materials and energy-efficient operation modes to reduce overall environmental impact.

Sustainability and build quality:

• Energy Star certified for reduced power consumption
• Engineered with long-life components for extended device lifespan
• At least 39 percent recycled content in construction
• Low power usage in sleep and hibernate modes
• Designed to minimise waste through high-yield consumables

Hardware and system capability
Built for reliability, the printer includes a dual-core 1 GHz processor and 512 MB memory, enabling smooth processing of complex print jobs and large document queues.

System capabilities include:

• PCL, PostScript, PDF, and PPDS language support
• Advanced font libraries for document compatibility
• Optional intelligent storage drive support
• Colour touchscreen interface for intuitive control

Cartridges and output efficiency
The device supports high-yield toner cartridges and long-life imaging components, reducing maintenance intervals and improving uptime.

Consumable performance:

• Black toner yield up to 31,000 pages
• Imaging unit yield up to 75,000 pages
• Starter cartridge included for approximately 5,000 pages

Ideal use cases
The Lexmark MS631dw A4 mono laser printer is suitable for:

• Corporate offices with high-volume print needs
• Government and administrative departments
• Educational institutions requiring reliable document output
• Workgroups needing secure, fast, and networked printing

It is particularly effective in environments where speed, reliability, and secure document handling are essential.

Specifications

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Specifications
Product Code	38S0415
In the Box	Up to 75,000 pages** return program imaging unit.
	Worldwide Safety Stability Sheet
	Worldwide Printer Setup Sheet (wordless)
	Warranty Information (region / country dependent)
	Power Cord (Country Dependent)
	Lexmark MS631dw mono laser printer.
	QR Code Setup Sheet
	Worldwide Safety Information Sheet
	Up to 5,000 pages* starter return program toner cartridge.
General Specs
Part #	38S0400
Print Technology	Monochrome Laser
Function	Printing
	Trusted Platform Module (TPM)
Workgroup Size	Medium Workgroup
Display	2.8 inch (7.2 cm) Color touch screen
Media Sizes Supported	A6, Oficio, 7 3/4 Envelope, 9 Envelope, JIS-B5, A4, Legal, A5, Hagaki Card, Letter, B5 Envelope, Statement, C5 Envelope, Executive, DL Envelope, Folio, 10 Envelope
Included Paper Handling	100-Sheet Multipurpose Feeder, 250-Sheet Output Bin, Integrated Duplex, 550-Sheet Input
Standard Ports	Gigabit Ethernet (10 / 100 / 1000), Front USB 2.0 Specification Hi-Speed Certified port (Type A), USB 2.0 Specification Hi-Speed Certified (Type B), 802.11b/g/n/ac + BLE
Size (in. - H x W x D)	12.1 x 15.7 x 15.3 in.
Weight (lb.)	33 lb.
Packaged Size (in. - H x W x D)	16.6 x 18.5 x 16.9 in.
Packaged Weight (lb.)	37.8 lb.
Printing
Print Speed	Up to:
	Black: 50 ppm (Letter)
Print Speed Duplex	Up to:
	Black: 24 spm (Letter)
Time to First Page	As fast as:
	Black: 6 seconds
Print Resolution	Black: 1200 x 1200 dpi, 1200 IQ (1200 x 600 dpi)
Duplex	2-sided:
	Integrated Duplex
Printable Area	0.16 inches of the top, bottom, right and left edges (within)
Paper Handling
Media Types Supported	Paper Labels, Card Stock, Plain Paper, Envelopes, Refer to the Paper & Specialty Media Guide
Number of Paper Inputs	Standard: 2
	Maximum: 5
Paper Input Capacity	Standard: 650 pages 20 lb or 75 gsm bond
	Maximum: 2300 pages 20 lb or 75 gsm bond
	650 pages 20 lb or 75 gsm bond
Paper Output Capacity	Up to:
	Standard: 250 pages 20 lb or 75 gsm bond
	Maximum: 250 pages 20 lb or 75 gsm bond
Paper Weight Range Supported	lb.:
	16 - 32 lb. (Standard Tray)
	16 - 58 lb. (Multipurpose Feeder)
Optional Paper Handling	550-Sheet Lockable Tray, 250-Sheet Tray, 550-Sheet Tray
Recommended Monthly Page Volume	2,000 - 20,000 pages
Maximum Monthly Duty Cycle	Up to:
	175,000 pages per month
Cartridges & Imaging
Laser Cartridge Yields	up to:
	31,000-page Black Cartridge
Imaging Unit Estimated Yield	Up to:
	75,000 pages, based on 3 average letter/A4-size pages per print job and ~ 5% coverage
Cartridge(s) Shipping with Product	5,000-page Return Program Toner Cartridge
Replacement Cartridges	Product functions only with replacement cartridges designed for use in a specific geographical region.
Hardware
Processor Speed	Dual Core, 1 GHz
Memory	Standard: 512 MB
	Maximum: 512 MB
Hard Disk	Intelligent Storage Drive available
Printer Languages	Standard:
	PCL 5, PCLm, PCL 6 Emulation, Personal Printer Data Stream (PPDS), PostScript 3 Emulation, PDF 1.7 emulation, Direct Image
Fonts and Symbol Sets	2 PCL 5/6 bitmap fonts, 94 scalable PCL 5/6 fonts, 163 scalable PostScript fonts, 5 PPDS bitmap fonts, 39 scalable PPDS fonts
Touch Screen Display	Yes
Connectivity
Ethernet Network	Yes
Wireless	Yes
Network Protocol Support	IPSEC w/ IPv4, IPSEC w/ IPv6, IPv6, IPv4, ICMP, TCP, IGMP, UDP
Network Printing Methods	FTP, Pull Printing, Thin Print, Microsoft Web Services WSD, Telnet, IPP 1.0, 1.1, 2.0 (Internet Printing Protocol)
Network Management Protocols	DHCP, APIPA (AutoIP), mDNS, BOOTP, WINS, DDNS, DNS, ARP
Network Security	SSL Cipher Configuration, SNMPv3, Certificate Management, TCP Restricted Server List, 802.1x Authentication: MD5, MSCHAPv2, LEAP, PEAP, TLS, TTLS, IPSEC Support (IPv4/IPv6), TCP/UDP Port Access Control, Security Port Lockdown
Optional Local Ports	Internal 1284-B Bidirectional Parallel, Internal RS-232C serial
Optional Network Ports	MarkNet N8230 Fiber Ethernet Print Server
Wireless Network	WEP Encryption (64- and 128-bit key), 802.1x Authentication: MD5, MSCHAPv2, LEAP, PEAP, TLS, TTLS, WPA2 - Personal
Supported Operating Systems
Microsoft Windows Operating Systems Supported	Windows Server 2008 x64 running Terminal Services, Windows 11, Windows Server 2008 x64, Windows Server 2008 running Terminal Services, Windows Server 2022, Windows Server 2008, Windows 8 x64, Windows Server 2012, Windows Server 2003 x64, Windows Server 2003, Windows Server 2012 R2, Windows Server 2003 x64 running Terminal Services, Windows Server 2003 running Terminal Services, Windows 10, Windows 8.1, Windows Server 2008 R2 running Terminal Services, Windows 8, Windows 2000 Server running Terminal Services, Windows Server 2008 R2, Windows 7 x64, Windows Server 2016, Windows XP x64, Windows Me, Windows XP, Windows Vista x64, Windows 2000, Windows Server 2019, Windows NT (4.00/4.00 Server), Windows Vista, Windows 98 2nd Edition, Windows 7
Apple Operating Systems Supported	Support is provided through AirPrint and AirScan only
Android Operating System Support	Support is provided through Mopria Print Service and Mopria Scan.
Linux Operating Systems Supported	OpenSUSE 15.1, Red Hat Linux 8.3, Debian 9.4, Red Hat Linux 7.9, SUSE Linux Enterprise Server 15 SP2, SUSE Linux Enterprise Server 12 SP5, Fedora 33, Fedora 32, Debian 10, Ubuntu 20.04, Ubuntu 18.04 LTS, OpenSUSE 15.2
Citrix MetaFrame	Microsoft Windows Server 2003 x64 running Terminal Services with Citrix Presentation Server 4.0 x64, 4.5 x64, Microsoft Windows 2000 Server running Terminal Services with Citrix Presentation Server 3.0, 4.0, Microsoft Windows Server 2003 running Terminal Services with Citrix Presentation Server 3.0, 4.0, 4.5, Microsoft Windows Server 2008 R2 Standard Edition running Citrix XenApp 6.0, 6.5, Microsoft Windows Server 2003 and 2003 X64 Edition with Citrix XenApp 5.0, Microsoft Windows Server 2008 R2 Enterprise Edition running Citrix XenApp 6.0, 6.5, Microsoft Windows 2000 Server running Terminal Services with Citrix MetaFrame Presentation Server 4.0, Microsoft Windows Server 2012 R2 Datacenter Edition running Citrix XenApp 7.5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, Microsoft Windows Server 2012 Datacenter Edition running Citrix XenApp 7.5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, Microsoft Windows Server 2012 Essentials running Citrix XenApp 6.0, 6.5, Microsoft Windows Server 2012 Foundation running Citrix XenApp 6.0, 6.5, Microsoft Windows Server 2008 R2 Datacenter Edition running Citrix XenApp 7.5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, Microsoft Windows Server 2008 and 2008 X64 Edition with Citrix XenApp 5.0, Microsoft Windows Server 2012 Standard running Citrix XenApp 6.0, 6.5
Novell Operating Systems Supported	Novell Open Enterprise Server 2 (SP3) on SuSE Linux Enterprise Server 10 SP4 (x86 and x64) 3, Novell Open Enterprise Server 11 (SP3) on SuSE Linux Enterprise Server 11 SP4 (x86 and x64), Novell NetWare 6.5 Open Enterprise Server, Novell Open Enterprise Server 15 (SP1) on SuSE Linux Enterprise Server 11 SP4 (x86 and x64), Novell Open Enterprise Server 11 (SP3) on SuSE Linux Enterprise Server 12 SP1 (x86 and x64)
Other Operating Systems Supported	Virtually any platform supporting TCP/IP
Electrical & Operation
ENERGY STAR	Yes
ENERGY STAR Typical Electricity Consumption	TEC:
	0.6 kilowatt-hours per week
Noise Level	Operating:
	14 dBA (Idle)
	56 dBA (Print)
Duplex Print Noise Level	Operating:
	55 dBA
Average Power	0.1 watts (Hibernate Mode)
	0.9 watts (Sleep Mode)
	7.1 watts (Ready Mode)
	657 watts (Printing)
Specified Operating Environment	Temperature: 10 to 32degreesC (50 to 90degreesF)
	Altitude: 0 - 2896 Meters (9,500 Feet)
	Humidity: 15 to 80% Relative Humidity
Product Certifications	ENERGY STAR, ICES-003 Class B, BSMI Class B, VCCI Class B, US FDA, UL 60950-1, FCC Class B, cUL CAN/CSA-C22.2 60950-1, NOM, CB EN/IEC 60950-1, CB EN/IEC 60825-1, CE DoC (EN 62368-1 Class B, EN 62311, CE EN/IEC 60950-1, CE EN/IEC 60825-1, EN 61000-3, EN 55022 Class B, EuP, EN 55032 Class B, UL), EFTA (CE), KCC, CCC, CECP, CEL, A-tick DoC, UL-AR, KC mark, UL GS mark, EC 1275, ISO 532B, ECMA-370, TED, SII, TER, Mopria Certified, Blue Angel / DE-UZ 219
UNSPSC Code	43212105
Harmonized Tariff Code	8443.32.1010
Country of Origin	Rest of World - PRC, North America & TAA Compliant - Mexico