NP45 Series (HP)

NP45 Series

The NP45 Series offers the convenience and versatility you’ve come to expect from thermal inkjet, at an attractive price. Print heads are available in widths from 0.5″ to 4.0″, and multiple heads can be configured to print different regions across a page or web. The NP45 Series is based on the 600 dpi, 0.5″ 45a cartridge technology from Hewlett Packard. It offers all the advantages of cartridge-based printers — economical, low-maintenance, compact, and simple to change between ink types or colors. Ink is supplied via disposable or bulk cartridges. Aqueous inks are available for porous stocks and solvent inks are available for coated and non-porous stocks.



0.5″, 1.0″, 1.5″, 2.0″, 4.0″, or custom print width


0.5″, 1.0″, or custom print width


  • Cartridge-based – Clean and convenient; Easy to replace cartridges
  • Low-cost Hardware – Entry-level price with 600 dpi quality
  • Compact Design – Seamless integration with your production line
  • Substrate Flexibility – Water-based and solvent inks to print on porous and non-porous substrates, coated stocks, plastics
  • Spot Colors – More than a dozen ink colors; Custom colors to match any PMS
  • Dependable Workhorse – Thousands of installations worldwide
  • Proven Platform – HP 45a is the original thermal inkjet technology and has the most installations
  • Modular and Scalable – Choose print width to match your application; Configure up to 16 head modules per system
  • Low-Profile Option for Case Coding – Horizontal printing close to bottom of case

Front End

  • XiJet Composer
  • Customer Application
    • via Composer Read and Print
    • via Composer Remote Interface
    • via XiJet API/DLL
    • via XiJet RS-232 Protocol


  • Inkjet Technology: Thermal Drop-on-demand
  • Cartridge Technology: HP 51645a
  • Native Print Resolution: 600 dpi
  • Print Width: 0.5″ to 4.0″
  • Ink Throw Distance: up to 1 mm
  • Ink Delivery: Disposable or Bulk Cartridges
  • Ink Delivery: Aqueous, Solvent
  • Print Orientations: Down or Horizontally
  • Max Transport Speed:
    • 600 x 600 dpi @ 125 ft/min (38 m/min)
    • 600 x 300 dpi @ 250 ft/min (76 m/min)
    • 600 x 150 dpi @ 500 ft/min (152 m/min)


Aqueous Inks

  • Dye-based or pigment
  • More than a dozen colors; Custom color matching available
  • Security inks (UV invisible, IR invisible)

Solvent Inks

  • For non-porous materials such as coated stocks, film, plastics, metals