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Three sealed cyan ink cartridges in HP packaging

HP

HP 3ED77A 712 Cyan DesignJet 29-ml 3-pack ink cartridges (genuine brands)

SKU CH-6K8G-BYCMZ MPN 3ED77A

Three-pack of 29-ml cyan dye-based ink cartridges for HP DesignJet T210, T230, T250, T630 and T650 printers

  • Ink or toner colorCyan
  • Ink or cartridge typeDye-based
  • Operating humidity range10 to 90% RH
  • Storage humidity range10 to 90% RH
  • Operating temperature range41 to 95 °F (5 to 35 °C)
  • Storage temperature range-40 to 140 °F (-40 to 60 °C)
  • Reliable printing for deadlines with genuine HP 712 cartridges
  • Up to 31% more line accuracy on plain paper
  • Bright dye-based inks deliver up to 65% wider colour gamut
  • 100-year archivability with ISO-certified water-resistant black ink
  • Compatible with DesignJet T210, T230, T250, T630 and T650 series

HP 712 Cyan 3-pack for DesignJet

This three-pack supplies genuine HP 712 cyan ink cartridges, each holding 29 ml of dye-based ink. The set is built for HP DesignJet T210, T230, T250, T630 and T650 printers. It delivers reliable output and helps protect the printhead and device warranty.

Suits technical printing; not for photo work

Engineers and architects producing line drawings, maps or CAD plans will value the accurate lines and broad colour gamut. Buyers who need pigment inks for outdoor signage or archival photo prints should look elsewhere.

Dye-based cyan ink, 29 ml per cartridge

The ink formulation is dye-based, giving bright, distinguishable colours on plain paper. Each cartridge provides 29 ml of cyan ink, and the pack contains three units for continuous workflow.

How it compares

Measured against everything we stock in OEM Ink Cartridges, at today’s prices. Recalculated every night.

Price $64.99
Typical for this category: the median of 1,504 items is $60.99.

Specifications

Product
Brand nameHP
Part number3ED77A
Ink or toner colorCyan
Size & build
Shipping weight0.45 kg
Package size127 × 127 × 119 mm
Compatibility
Replacement forHP
Environment & compliance
Operating humidity range10 to 90% RH
Storage humidity range10 to 90% RH
Operating temperature range41 to 95 °F (5 to 35 °C)
Storage temperature range-40 to 140 °F (-40 to 60 °C)
More details
Ink or cartridge typeDye-based

Questions about this item

How often will I need to replace the 29-ml cyan cartridges in this 3-pack?

Each cartridge holds 29 ml of dye-based ink; replacement frequency depends on your print volume and coverage on the DesignJet T210, T230, T250, T630 or T650 series.

What is the first limit reached during continuous printing — ink volume or temperature range?

The cartridges operate from 41 to 95 °F; sustained heavy printing will exhaust the 29-ml supply before the temperature ceiling is hit.

Do the dye-based inks generate extra heat or noise when the printer runs all day?

The ink formulation itself produces no heat or sound; printer acoustics and thermal output are determined by the DesignJet hardware, not the cartridges.

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