HP M551

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The HP LaserJet M551 is a multifunction monochrome laser printer designed primarily for small to medium-sized office environments. It integrates printing, copying, and scanning functionalities into a single compact unit with a built-in automatic document feeder (ADF). The printer uses LaserJet technology delivering high-quality black and white prints with a resolution up to 1200 x 1200 dpi. Featuring an Intel 800 MHz processor and 256 MB standard memory, expandable to 1 GB, it efficiently handles large print jobs and supports network connectivity via Ethernet. The device supports various paper sizes including Letter, Legal, A4, and envelopes with a standard input capacity of 300 sheets, expandable with optional trays.

The M551 supports PCL 6, PCL 5c, and PostScript language emulation, ensuring compatibility with a range of operating systems. For connectivity, it includes USB 2.0 and 10/100 Base-TX Ethernet interfaces, making it suitable for shared office use. It supports scan to email, scan to network folder, and duplex double-sided printing, which enhances productivity while saving paper and energy. Additionally, it includes built-in security features to protect sensitive documents and network communications.

The HP LaserJet M551 offers robust multifunction capabilities in a space-saving design making it ideal for office environments with high demands. Its fast print speed of up to 42 pages per minute ensures quick turnaround for large print jobs. The high monthly duty cycle of up to 150,000 pages guarantees durability and reliability for heavy workloads. Expandable memory and input trays provide flexibility to customize the printer to specific needs. The inclusion of multiple connectivity options supports versatile integration within existing network environments. Advanced security features help protect confidential information and control document access.

While the M551 emphasizes black and white printing, it lacks color printing capabilities, limiting its use for color-intensive applications. Its physical size is larger compared to some newer multifunction printers, which might restrict placement options in smaller offices. The memory capacity, although expandable, may fall short when handling very complex print jobs or high-resolution graphics. The printer's interface and touchscreen capabilities are basic compared to modern models, providing limited user interaction enhancements. Energy efficiency, while compliant with standards of its release time, may not meet the expectations of latest energy-saving technologies. Driver support for newer operating systems might be reduced over time as the model ages.

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