HP LaserJet Pro M501dn Duplex Network Printer

The frequency of the alternating current supplied to a power supply or charger, expressed in hertz (Hz). It indicates the acceptable operating range for the electrical mains that powers the device, ensuring proper functionality and safety.

The range of alternating current voltage that the product accepts from its power source, expressed in volts (V). It indicates the minimum and maximum supply voltages compatible with the device across different regions.

The highest pixel resolution that a printer can produce, expressed as width by height (e.g., 1200x1200 dpi). It indicates the maximum detail level achievable in printed images and documents.

Indicates whether the product has been certified by Blue Angel, a recognized sustainability and quality standard that ensures compliance with environmental and social criteria.

Indicates whether the product includes a built‑in screen or display unit that can be used directly for viewing content, such as an integrated monitor on a laptop or a built-in display on appliances. A value of "Yes" means the device has such a display; a value of "No" means it does not.

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.

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.

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.

The total number of text lines that a device’s built‑in or external display can show at once. It indicates how many separate rows of characters are visible on the screen, which is useful for understanding readability and interface layout.

The standard paper format that a product can handle, such as "A4", "Legal", or "A3/Ledger". It indicates the size of documents the device is designed to process and helps customers choose compatible equipment.

Indicates whether the product supports printing on both sides of a sheet in a single pass. A value of "Yes" means duplex printing is supported; a value of "No" means it does not support duplex printing.

The number of pages a printer can produce per minute when printing in duplex mode with black ink at normal print quality on A4 or US Letter paper. It indicates the throughput capability for standard document printing tasks.

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.

Indicates whether the product has been certified by Energy Star, a recognized standard for energy efficiency in appliances and electronics.

The average amount of electrical energy a product uses in one week, expressed in kilowatt‑hours (kWh). This figure represents the typical operating consumption and can be used to estimate weekly running costs or compare efficiency across similar devices.

The level of a product’s compliance with the EPEAT (Electronic Product Environmental Assessment Tool) program, indicating how well it meets environmental and sustainability criteria. Typical levels are "Gold", "Silver" or "Bronze".

Indicates whether the product has an Ethernet interface for wired network connectivity, allowing data transmission over RJ‑45 or compatible cables.

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.

Indicates the target market segment for a product, such as "Business", "Home", or "Small‑medium business". This attribute helps customers quickly identify the intended user group and typical use case of the item.

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.

A list of the standard ISO B‑series paper dimensions that a device can accept, such as B0, B1, …, B5. Each value represents a distinct sheet size and allows users to verify compatibility with the documents they need to print or scan.

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.

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.

The general category or style of the product, such as printer, copier, scanner, dishwasher, label maker, or any other machine used in a commercial or household setting. It helps buyers quickly identify the primary function and compare similar items.

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.

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.

The highest number of sheets a printer, copier or fax machine can process in a single operation cycle, such as printing, copying or scanning. This figure indicates the device’s throughput capability and helps users compare productivity across models.

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.

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.

The maximum number of sheets a multi‑purpose input tray can hold in a single feeding cycle. This value indicates the paper capacity of the tray, helping users understand how many pages can be processed automatically before needing to refill or change the tray.

Indicates whether the product can connect to a network, either wired or wireless, and is capable of transmitting and receiving data over that connection.

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.

The linear measurement from front to back or top to bottom of a product’s packaging, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the packaged item is and can be used for fitting, compatibility, or spatial planning.

The vertical dimension of a product’s packaging measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and helps customers assess how tall the package will be when stored or shipped.

The horizontal measurement of a product’s packaging, expressed in a linear unit such as millimetres or inches. It indicates how wide the package is from one side to the other and helps customers assess fit for storage, shipping, or display.

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.

The amount of electrical power a device uses during normal operation, expressed in watts (W). It represents the typical energy draw when the product is actively performing its intended functions and can be used to estimate operating costs or compare efficiency across similar devices.

The type of printing process or technology used by the product, such as laser, inkjet, thermal, LED, or other specialized methods.

A list of the colours that a product can print or produce, such as black, cyan, magenta, yellow and any additional colour variations (e.g., photo‑black, matte black). The value is a comma‑separated string of colour names. This attribute applies to printers, ink cartridges, toner cartridges, and other printing consumables.

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.

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.

A list of environmental, safety or quality certifications that a product has obtained from recognized authorities. Typical entries include RoHS, ENERGY STAR, CE, WEEE, TCO Certified, FCC, and other industry‑specific standards.

The duration from the moment a web request is made until the first black page is rendered on the screen, expressed in seconds or other standard time units. It indicates how quickly a user sees any visual content and helps assess initial page performance.

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.

The maximum count of paper or other media sheets that a device can accept in a single feed operation, expressed as an integer followed by the unit "sheets" (e.g., "250 sheets"). This value indicates how many pages can be automatically fed from the input tray before manual intervention is required.

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.

Indicates whether the product has built‑in Wi‑Fi capability, allowing it to connect to wireless networks without requiring external adapters or dongles.

Indicates whether the product has built‑in Wi‑Fi capability, allowing it to connect to wireless networks without requiring external adapters or dongles.

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.

A list of Microsoft Windows operating system versions that the product can run or support, including any relevant architecture or edition information. Each entry represents a distinct OS that is compatible with the hardware or software.

A list of Microsoft Windows operating system versions that the product is compatible with, including any relevant architecture or edition information.

Indicates whether the product uses a wired connection, a wireless connection, or both for data transfer and communication. The value is typically one of: "Wired", "Wireless", or "None" when no connectivity is available.