OKI B 721 DN Printer

Oki (5031713059530 / 45487002) - AC input frequency: 50/60 Hz - Processor frequency: 800 MHz - AC input voltage: 220 - 240 V - Duplex media weight: 64 - 220 g/m² - Multi-Purpose Tray media weight: 64 - 253 g/m²

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Overview of the OKI B 721 DN Printer

The OKI B 721 DN is a high‑performance monochrome LED laser printer designed for office and small‑business environments that demand reliable, fast, and efficient printing. With a maximum print speed of 47 pages per minute, it delivers crisp text and graphics at a resolution of up to 1200 x 1200 DPI. Its robust build and extensive connectivity options make it a versatile choice for any networked workplace.

Key Technical Specifications

Print Technology: LED laser
Maximum Resolution: 1200 x 1200 DPI
Print Speed: 47 ppm (black & white)
Duty Cycle: 500 – 20,000 pages/month (recommended); up to 200,000 pages/month (maximum)
Paper Size: A4, B5, Legal (216 x 356 mm), Letter
Envelope Sizes: 9, 10, C5, DL
Media Weight: 64 – 220 g/m² (standard), up to 253 g/m² (multi‑purpose tray)
Input Capacity: 530 sheets (standard), 3,160 sheets (maximum)
Output Capacity: 500 sheets
Processor: 800 MHz, built‑in
Internal Memory: 256 MB (expandable to 768 MB)
Power Consumption: 800 W (active), 95 W (standby)
Dimensions: Height 410 mm, Width 435 mm, Depth 498 mm
Weight: 27 kg

Connectivity & Network Features

The printer supports a wide range of network protocols and interfaces, ensuring seamless integration into modern office infrastructures:

Standard Interfaces: Ethernet (Gigabit LAN), USB 2.0 (two ports)
Supported Network Protocols: TCP/IPv4 & IPv6, NetBIOS over TCP, SMTP, HTTP/HTTPS, SNMPv1/v3, DHCP, DNS, IPP/IPPS, BOOTP, DDNS, WINS, UPnP, SNTP, IGMP, ICMP, IMCPv6, LPR, Port 9100, FTP, Telnet, Bonjour, LLTD
Management Protocols: SMTP, SNMPv3, SSL/TLS
Mobile Printing: Apple AirPrint (iOS devices)

Operating System Compatibility

The OKI B 721 DN is engineered to work across a broad spectrum of operating systems, providing flexibility for mixed‑platform environments:

Windows: Windows XP SP2 or higher, Windows Vista (32/64‑bit), Windows 7 (all editions), Windows 8/8.1, Windows Server 2003/2008/2008 R2 (x86 and x64)
Mac OS X: Leopard (10.5) through Mountain Lion (10.8)
Linux: Supported on most distributions with standard printer drivers
UNIX: Compatible with common UNIX variants

Paper Handling & Tray Configuration

The printer’s paper handling system is designed for high throughput and versatility:

Multi‑Purpose Tray: Holds up to 100 sheets of envelopes or plain paper
Standard Tray: Holds up to 530 sheets of plain paper
Maximum Input Capacity: 3,160 sheets (when using the optional high‑capacity tray)
Automatic Duplexing: Enabled by default, allowing efficient double‑sided printing without manual intervention
Envelope Handling: Supports standard envelope sizes (9, 10, C5, DL) with appropriate feeding mechanisms

Print Quality & Performance

The OKI B 721 DN delivers sharp, high‑contrast text and graphics suitable for professional documents:

Print Languages Supported: Epson FX, IBM ProPrinter, Microsoft XPS, PCL 5c, PCL XL, PostScript 3
First Page Warm‑Up Time: 5 seconds
Total Warm‑Up Time: 25 seconds before the first print
Noise Levels: 30 dB (standby), 55 dB (printing), 53 dB (silent mode)

Environmental & Energy Efficiency

The printer is engineered with sustainability in mind:

Energy Star Certified, ensuring reduced power consumption during operation and standby modes.
Operating Temperature Range: 10–32 °C (operational), -10 to +43 °C (storage)
Humidity Range: 20–90 % relative humidity (storage), 10–90 % (operational)

Physical Build & Durability

The OKI B 721 DN’s robust chassis and precise mechanical components guarantee reliable performance over extended periods:

Dimensions: Height 410 mm, Width 435 mm, Depth 498 mm
Weight: 27 kg, facilitating easy relocation if needed
Construction: Heavy‑duty metal frame with reinforced rollers and guides
Maximum Duty Cycle: Up to 200,000 pages/month for high‑volume environments

Security & Management Features

The printer includes advanced security and management capabilities to protect sensitive data and streamline administration:

Secure Printing: Supports SSL/TLS encryption for network traffic
SNMPv3: Enables secure monitoring and management via network protocols
SMTP: Allows email printing for remote document submission
Firmware Updates: Accessible through the web interface or via USB for maintaining up‑to‑date security patches

Typical Use Cases

The OKI B 721 DN excels in a variety of office scenarios:

Document‑Heavy Departments: Legal, HR, and finance teams that require fast, high‑volume printing of contracts, reports, and statements.
Small to Medium‑Sized Businesses: Offices with limited space that still need a reliable, high‑speed printer for daily operations.
Educational Institutions: Schools and universities that print lecture notes, exam papers, and administrative documents.
Government Offices: Departments that handle confidential paperwork and require secure, efficient printing solutions.

Conclusion

The OKI B 721 DN Printer combines high speed, exceptional print quality, and extensive connectivity in a compact, energy‑efficient package. Its robust build, versatile media handling, and comprehensive OS support make it an ideal choice for any environment that demands reliable monochrome printing at scale.

This product in Comparor
Category This product is cataloged in our store in these categories	- Laser Printers
International Find this product in one of our international stores	358.00 EUR
Colors Predominant colors of the product
Identifiers
Brand	Oki is a Japanese brand that produces printers, copiers, and fax machines. The company has a wide range of products for both personal and business use, and its printers are known for their quality and reliability. Oki also offers a number of software applications for managing and printing documents.
MPN	Oki 45487002
ID	18615266
Dimensions / Weight
Key Features
AC input frequency The frequency of the alternating current supplied to the device, expressed in hertz (Hz). It indicates the acceptable operating range for the electrical mains that powers the product.	50/60 Hz
AC input voltage The alternating current voltage range that the product accepts from its power source, expressed in volts (V). It indicates the minimum and maximum supply voltages compatible with the device.	220 - 240 V
Built-in processor Indicates whether the product contains a built‑in central processing unit (CPU) that can execute instructions without requiring an external processor module. A value of "Yes" means the device has such a CPU; "No" means it does not.	Yes
Certification A list of official certifications or compliance marks that the product has received from regulatory bodies, safety organizations, or industry standards groups. Each entry represents a distinct certification such as CE, FCC, RoHS, UL, or WEEE, and may include additional details like version numbers or specific test reports.	CE, GS
Colour The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.	No
Depth The linear measurement of an object from front to back or top to bottom, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the item is and can be used for fitting, compatibility, or spatial planning.	498 mm
Duplex media weight The weight of paper or other media that is suitable for duplex printing, expressed as a range in grams per square meter (g/m²). This attribute indicates the acceptable thickness and density of sheets that can be fed through a device to achieve reliable double‑sided output.	64 - 220 g/m²
Duplex printing Indicates whether the device can automatically print on both sides of a sheet in a single pass. A value of "Yes" means duplex printing is supported; a value of "No" indicates that only single‑sided printing is available.	Yes
Energy Star certified	Yes
Envelopes sizes A list of envelope sizes that a product can accept, expressed with standard codes or names (e.g., "DL", "C5", "10"), optionally combined in comma‑separated groups to indicate compatible envelopes.	9,10,C5,DL
Ethernet LAN Indicates whether the product includes an Ethernet LAN interface for wired network connectivity, allowing data transmission over RJ‑45 or compatible cables.	Yes
Height The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.	410 mm
Internal memory The total amount of internal memory available in a device, expressed as a data size such as megabytes (MB) or gigabytes (GB). It indicates how much information the component can hold for active processes and affects multitasking performance.	256 MB
Linux operating systems supported List of Linux operating systems that the product can run or support, including specific versions and architectures when relevant. Each value represents a distinct Linux distribution or kernel version supported by the hardware or software.	Yes
Mac operating systems supported A list of macOS operating system versions that the product supports or is compatible with, such as "macOS 10.15 Catalina", "macOS 11 Big Sur" or newer releases. Each entry represents a distinct OS version that can run on or be supported by the device.	Mac OS X 10.5 Leopard,Mac OS X 10.6 Snow Leopard,Mac OS X 10.7 Lion,Mac OS X 10.8 Mountain Lion
Management protocols A list of network protocols that a device can use for configuration, monitoring and remote management, such as SNMP, HTTP/HTTPS, Telnet, SSH or other standard interfaces. Each protocol is represented by its common name and may be separated by commas or slashes in the source data.	SMTP, SNMPv3, SSL/TLS
Maximum duty cycle The maximum number of pages a printer, copier or fax machine is designed to handle in a typical month of operation. It indicates the expected workload capacity and helps users compare how heavily different models can be used before reaching their limits.	200000 pages per month
Maximum input capacity The maximum number of sheets or pages that a printer, copier, or fax machine can accept in a single feeding cycle. It indicates the largest input tray capacity and helps users understand how many pages can be processed automatically before needing to reload paper.	3160 sheets
Maximum internal memory The largest amount of internal random‑access memory that a device can support, expressed as a data size such as megabytes or gigabytes. It indicates the maximum capacity for active processes and multitasking performance.	768 MB
Maximum ISO A-series paper size The largest standard ISO A-series paper format that a device can handle, expressed as the ISO code (e.g., "A4", "A3"). This attribute indicates the maximum sheet size supported by printers, scanners, copiers, and similar equipment.	A4
Maximum print size The largest paper or media size that a printer can handle, expressed either as standard format names (e.g., "A4", "Legal") or as physical dimensions in millimeters or inches. It indicates the maximum sheet dimensions supported by the device for printing.	216 x 356 mm
Maximum resolution The maximum pixel dimensions of a display or image, expressed as width by height (e.g., 1920x1080). It indicates the highest resolution that a device can output or support and is commonly used for monitors, TVs, smartphones, cameras, and digital images.	1200 x 1200 DPI
Mobile Printing Technologies A comma‑separated list of mobile printing services or protocols that a device can use to send print jobs from smartphones, tablets or other mobile devices. Typical values include Apple AirPrint, Google Cloud Print, Mopria Print Service and similar cloud‑based solutions.	Apple AirPrint
Multi-Purpose tray The maximum number of paper sheets that a multi-purpose tray can hold for automatic feeding. This value indicates how many pages the device can process before needing to be reloaded, helping users compare throughput and convenience across models.	Yes
Multi-Purpose Tray media weight The weight of the paper or media that can be placed in a multipurpose tray, expressed as grams per square meter (g/m²). This value indicates how dense the material is and helps users compare the quality or thickness of different papers used in printers, copiers, and similar devices.	64 - 253 g/m²
Non-ISO print media sizes	Letter
Number of print cartridges The total count of individual cartridge units included in the product package or supplied with the device. It represents how many separate cartridges—such as ink, toner, filter, or other consumable cartridges—are available for use or replacement.	1
Page description languages A list of natural languages in which the page descriptions or captions of a product are available. This attribute indicates the linguistic options for textual information that accompanies each page, such as titles, annotations, or metadata.	Epson FX,IBM ProPrinter,Microsoft XPS,PCL 5c,PCL XL,PostScript 3
Paper tray media types A list of the paper or media types that a printer’s input trays can accept, such as envelopes, labels, plain paper, recycled paper, and transparencies. The values are free‑text strings separated by commas, allowing users to see which materials are compatible with the device.	Envelopes,Plain paper
Power consumption (StandBy)	95 W
Print technology The type of printing process or technology used by the product, such as laser, inkjet, thermal, LED, or other specialized methods.	LED
Processor frequency The fundamental operating frequency of a processor, expressed in hertz (Hz). It indicates the speed at which the CPU runs under normal conditions and is typically reported in gigahertz (GHz) or megahertz (MHz). This value helps users compare performance potential across different models.	800 MHz
Recommended duty cycle The expected number of pages a printer, copier or fax machine is designed to produce in an average month under normal operating conditions. It indicates the workload capacity that the device can handle without overheating or failure.	500 - 20000 pages per month
Sound power level (standby) The sound power level produced by a device while it is in standby mode, expressed in decibels (dB). This value indicates the acoustic intensity of the product when it is powered on but not actively performing tasks, helping users assess suitability for quiet environments.	30 dB
Standard interfaces A list of the physical or logical interfaces that a device can use to connect with other devices, such as USB, Ethernet, Bluetooth, Wi‑Fi, RS‑232, RJ‑45, Parallel, and similar standards.	Ethernet,USB 2.0
Total input capacity The maximum amount of material that can be fed into the device in a single operation, expressed as a numeric value followed by an appropriate unit such as sheets, pages or volume.	530 sheets
Total output capacity The maximum number of individual pages that a product—such as a book, magazine, or printed publication—can contain. It represents the total count of physical sheets, regardless of layout or formatting, and is useful for assessing the length or volume of the material.	500 sheets
USB 2.0 ports quantity Represents the count of external USB 2.0 (high‑speed) connectors available on a device. The value is an integer indicating how many USB 2.0 ports can be used for data transfer or power delivery from the outside of the product, regardless of internal placement or version.	2
Warm-up time	25 s
Weight The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.	27 kg
Wi-Fi Indicates whether the product has built‑in Wi‑Fi capability, allowing it to connect to wireless networks without requiring external adapters or dongles.	No
Width The horizontal measurement of a product, expressed in a linear unit such as millimetres or inches. It indicates how wide the item is from one side to the other and is used for sizing, fitting, and compatibility purposes.	435 mm