General Overview

• Model Name: HP 51A
• Part Number: Q7551A
• Type: Standard-yield black toner cartridge
• Technology: Monochrome laser printing
• Function: Supplies black toner for high-volume, professional-quality printing in HP LaserJet devices

Compatibility

• Compatible Printer Models:
• HP LaserJet P3005
• HP LaserJet M3027 MFP
• HP LaserJet M3035 MFP
• Printer Series: HP LaserJet P3000 and M3000 series

Print Performance

• Page Yield: Up to 6,500 pages (based on ISO/IEC 19752 standard)
• Color: Black
• Print Quality:
• Crisp text and sharp graphics
• Ideal for business documents, reports, and archival printing
• Toner Formulation: Engineered for consistent output and reduced wear on printer components

Build & Design

• Cartridge Type: Single-piece, user-replaceable unit
• Installation: Tool-free, plug-and-print design
• Smart Features:
• Built-in chip for toner level monitoring
• Supports HP SureSupply for reordering alerts

Reliability & Efficiency

• Performance:
• Reliable page yield with minimal maintenance
• Designed to reduce misfeeds, smudging, and downtime
• Environmental Features:
• Recyclable via HP Planet Partners program
• RoHS compliant

Physical Specifications

• Dimensions: Approx. 13.5 x 6.0 x 8.5 inches (varies slightly by batch)
• Weight: Approx. 3.3 lbs (1.5 kg)

Packaging & Labeling (for storefront or catalog)

• Label Example: “HP 51A Black Toner Cartridge – Q7551A – 6,500 Pages – For LaserJet P3005/M3027/M3035”
• Inclusions: Toner cartridge only; no drum or accessories unless specified
• Packaging: Sealed anti-static bag inside branded retail box