HP LaserJet Pro 4002dn Printer, Print, Two-sided printing; Fast

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 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.

Indicates whether the product is a wire‑cut item (custom cut to size) or a stock item (pre‑cut to standard dimensions). This attribute helps buyers understand the manufacturing process and potential customization options.

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.

Represents the number of individual units, packages, or components that can be placed on a single pallet. This value indicates how many pieces are stored or shipped together on one pallet, helping users assess storage capacity and logistics planning.

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.

A classification that indicates the target audience or use case for a product, such as Business, Gaming, Home & Office, Education, etc. It helps customers quickly identify which products are best suited to their needs.

The highest pixel dimensions that a device can output or support, expressed as width by height (e.g., 1920x1080). It indicates the maximum resolution available for display content on the product.

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 electrical power required by a device when it is in its ready or standby state, expressed in watts (W). This value represents the typical energy draw of the product while it is powered on but not actively performing tasks, and can be used to estimate idle consumption or compare efficiency across similar devices.

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

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 number of individual sheets that a printer or copier can accept in its input trays at one time. It represents the total page count that can be fed automatically before needing to refill, regardless of paper size or type.

The maximum number of sheets a printer can produce in a single operation or over its lifetime, expressed as a numeric value followed by the unit "sheets". This attribute helps users compare printing throughput and capacity across different models.

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