HP 712 80ml Black DesignJet Ink Cartridge, 3ED71A

HP 712 Black Ink 3ED71A 80 mL DesignJet Ink Cartridge

HP 712 black ink 3ED71A is a genuine HP ink cartridge designed for sharp linework, clean text, and dependable performance on compatible HP DesignJet printers. Black ink is the foundation of technical printing, driving line clarity, label readability, and overall contrast on CAD drawings, plan sets, and everyday office or classroom documents. If text starts to look faded, lines lose contrast, or black areas show uneven density, replacing your HP 712 black cartridge is a simple way to bring output back to a clean, predictable standard.

This cartridge contains 80 mL, making it a practical choice for teams that want a little more capacity than the smaller cartridges while still keeping changeouts easy. It is a strong fit for small offices, schools, and workgroups printing plans, posters, and technical documents where readability matters. Genuine HP ink is built for reliable results and helps reduce reprints caused by weak blacks, streaking, or inconsistent density in solid areas. When you are working with deadlines, predictable black output saves time and keeps your sets looking consistent.

This cartridge supports a wide range of compatible printers, including the HP DesignJet T210, T230, T250, T630, T650, and DesignJet Studio families. For teams that print in bursts, keeping a spare black cartridge on hand can prevent mid job interruptions and keep production moving. When paired with consistent media selection and stable print settings, HP 712 black helps maintain crisp lines and repeatable contrast across reprints and multi copy jobs.

HP 712 black Key Features:

• 80 mL capacity: A strong balance of capacity and convenience for routine printing.
• Genuine HP ink: Designed for dependable performance and consistent output.
• Crisp black output: Supports readable text, sharp lines, and clean technical detail.
• Consistent performance: Helps reduce streaking and uneven density across reprints.

Applications:

• CAD drawings and plan sets: Sharp linework and readable labels for technical documents.
• Construction documents: Clean output for revisions, markups, and bid sets.
• Posters and presentations: Strong contrast for clear titles, callouts, and notes.
• Everyday documents: Dependable black output for office and classroom printing.

Technical Specifications:

Compatible Printers:

• HP DesignJet T650 36-in Printer (5HB10W, 5HB10D, 5HB10T, 5HB10H, 5HB10A)
• HP DesignJet T650 24-in Printer (5HB08D, 5HB08T, 5HB08W, 5HB08H, 5HB08A, 5HB08G)
• HP DesignJet T630 36-in Printer (5HB11D, 5HB11A)
• HP DesignJet T630 24-in Printer (5HB09D, 5HB09A)
• HP DesignJet T250 24-in Printer (5HB06D, 5HB06T, 5HB06H, 5HB06A)
• HP DesignJet T230 24-in Printer (5HB07D, 5HB07T, 5HB07H, 5HB07A)
• HP DesignJet T210 24-in Printer (8AG32D, 8AG32T, 8AG32H, 8AG32A)
• HP DesignJet Studio 24-in Printer (5HB12A, 5HB12C, 5HB12H)
• HP DesignJet Studio 36-in Printer (5HB14A, 5HB14C, 5HB14H)

Printing Guidelines & Additional Information:

• Best practice: Keep a spare black cartridge available to avoid mid job interruptions during deadlines.
• Consistency tip: Use consistent media and settings for repeat jobs so output stays matched across reprints.
• Storage tip: Store unopened cartridges in a cool, dry place and install only when ready to print.
• Recycling: Learn more on our HP cartridge recycling guide, then recycle used HP ink through HP recycling.

HP 712 black ink 3ED71A 80 mL delivers crisp lines and dependable DesignJet results for everyday printing.