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EcoFast TWK3541-CT Black Aqueous Ink Cartridge for HP45A

EcoFast TWK3541-CT aqueous ink cartridge for HP45A printers. Fast-drying dye ink producing smudge-free prints on envelopes, paper, corrugate, and porous media.

Part Number # : EcoFast TWK3541-CT
Manufacturer: Collins Ink
MPN:: TWK3541-CT

EcoFast TWK3541-CT Black Aqueous Ink Cartridge for HP45A

EcoFast TWK3541-CT aqueous ink cartridge is engineered for HP45A thermal inkjet technology and delivers fast-drying, smudge-free printing on porous and semi-porous substrates. This eco-friendly black ink is designed for production environments where speed and print clarity are critical.

The EcoFast TWK3541 HP45A ink cartridge produces clean, readable impressions on envelopes, paper, corrugate, and coated stocks. Its quick-drying formulation helps prevent smearing on high-speed mailing and packaging lines while maintaining reliable print quality.

Part Number: TWK3541-CT
Product Line: EcoFast
Manufacturer: Kao Collins

Key Features

  • Designed for HP45A print technology
  • Fast-drying aqueous ink for high-speed production
  • Produces smudge-free prints
  • PFAS-free and Non-CMR formulation
  • Excellent performance on porous and semi-porous media
  • Ideal for mailing, packaging, and coding applications
  • Reliable industrial printing performance

Typical Applications

  • Mailing and addressing
  • Packaging printing
  • Marking and coding
  • Barcode printing
  • Product identification
  • Date and lot coding

Recommended Media

  • Uncoated paper
  • Envelopes
  • Copy paper
  • Newsprint
  • Clay coated stocks
  • Corrugate
  • Matte, dull, and gloss stocks
  • Mill finishes

Technical Specifications

Ink Type Aqueous
Color Black
Colorant Dye
Print Technology HP45A
Firing Parameters Voltage: 10.2V; Pulse: 2.2µs
Pulse Warning On – 40°C
Open Time ~1 hour
Shelf Life 18 months from manufacture
Storage Conditions 10°C – 30°C
Operating Conditions 10°C – 40°C
Maintenance Gently wipe printhead with a dry lint-free cloth

Regulatory Compliance

  • EuPIA compliant
  • PFAS Free
  • Non-CMR
  • REACH SVHC compliant

Downtime Guidance

If downtime is less than 1 day, leave the cartridge installed and wipe and purge before next use. For downtime longer than 1 day, remove the cartridge and seal with a cartridge clip before storage.

Order EcoFast TWK3541-CT with Confidence

The EcoFast TWK3541-CT HP45A ink cartridge is a reliable solution for high-speed mailing and packaging operations that require fast-drying, smudge-free printing on porous media.

Order today to keep production lines running with clean, consistent print performance.


Your Price: $99.00
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