HP 11 Magenta Printhead (C4812A)

The HP 11 Magenta Printhead (C4812A) is a genuine OEM replacement designed for select HP Business InkJet, DesignJet, and OfficeJet printers. Featuring ultra‑small dye-based ink drops and smart-chip technology, this printhead produces vibrant magenta tones, sharp text, and detailed graphics. Built to OEM standards, it ensures professional output, reliable performance, and easy maintenance—ideal for users demanding consistent, high-volume printing quality.

Product Features

Ultra‑small dye-based ink drop technology

Delivers precise magenta output with smooth color transitions and high-resolution detail.

Smart-chip integration

Monitors ink usage and printhead health, delivering timely alerts and ensuring optimal performance.

OEM-grade durability

Constructed to HP’s OEM standards, this printhead ensures long-lasting reliability and compatibility.

Vibrant, professional color

Produces consistently accurate and vibrant magenta hues, ideal for photo-quality prints and graphic-intensive documents.

Easy replacement and recycling

Supports clean swap-out replacement and participation in HP’s official recycling program.

Product Specifications

• Part number: C4812A
• Color: Magenta
• Print technology: HP Thermal Inkjet
• Ink type: Dye-based
• Ink drop size: approximately 4 pL
• Page yield: up to 24,000 pages at 5% coverage
• Operating temperature: 5 °C to 40 °C
• Storage temperature: −40 °C to 60 °C
• Nozzle count: ~304
• Shelf life: 12 months unopened
• Package dimensions: approximately 110 × 26 × 148 mm; weight ~0.05 kg
• Compatibility: HP Business InkJet 1000, 1100, 1200, 2200, 2230, 2250, 2280, 2300, 2600, 2800; DesignJet 10ps, 20ps, 50ps, 70, 100, 500, 510, 800, 815mfp, 820, cc800ps; OfficeJet 9110, 9120, 9130; OfficeJet Pro K850/K850dn