HP M551n

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The HP LaserJet Enterprise M551n is a monochrome laser printer designed for medium to large workgroups requiring robust, high-volume printing capabilities. It utilizes the CF081A cartridge, known for its high-yield toner capacity, enabling extended printing without frequent replacements. The printer supports mobile printing features such as Apple AirPrint, allowing seamless integration with iOS devices and enhancing user convenience. It features a print speed of up to 40 pages per minute and a monthly duty cycle of up to 125,000 pages, making it suitable for demanding office environments. Connectivity options include USB 2.0, Ethernet, and support for networked workgroup environments. The M551n model incorporates advanced security controls and energy-saving technologies compliant with ENERGY STAR standards.

The printer's resolution supports up to 1200 x 1200 dpi effective output enhancing print clarity and professionalism. The device is built with a 600 MHz processor and 256 MB RAM (expandable), optimizing print job processing and multitasking efficiency. Paper handling includes a 500-sheet input tray and a 100-sheet multipurpose feeder, with an optional 2,100-sheet input capacity through accessory trays. Its robust build and easy-to-navigate control panel facilitate smooth workflow integration in enterprise settings.

The HP LaserJet Enterprise M551n offers fast print speeds up to 40 ppm, ideal for high-volume office printing demands. Its high-capacity CF081A toner cartridge reduces the frequency of cartridge changes and lowers operational downtime. Support for mobile printing technologies like Apple AirPrint enhances workplace flexibility and productivity, enabling print jobs directly from smartphones and tablets. The printer's network-ready design allows multiple users to share the device efficiently in workgroup environments. Energy efficiency aligned with ENERGY STAR certification helps reduce electricity usage and operational costs. Expandable memory and optional paper trays provide scalability for growing office needs.

The device is limited to monochrome printing, so it cannot produce color documents, which might be a necessity in some offices. Its size and weight are relatively substantial, which may limit placement flexibility in smaller office spaces. The monthly duty cycle, although high, is not suitable for extremely heavy production printing such as large-scale publishing houses. Some users have reported that the initial setup and network configuration can be complex for less technical personnel. While mobile printing support is included, it lacks some of the newer cloud printing integrations found in more recent models. The printer does not feature a built-in duplex scanner or copier functionality, requiring separate devices for those tasks.

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