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Laser Coding Machine vs. Inkjet Coding Machine Comparison

22 Sep,2025

Working Principle

Laser Coding Machine: Uses a high-energy laser beam to etch or burn the material surface, creating a permanent mark.

Inkjet Coding Machine: Uses a printhead to spray tiny ink droplets onto the product surface to form characters or patterns.

Marking Effect

Laser:
  • High precision with clear edges
  • Permanent marking, resistant to wear and chemicals
  • No consumable residues, suitable for food and pharmaceutical industries
Inkjet:
  • Wide range of colors with high contrast
  • Mark durability depends on ink type and substrate
  • May be affected by friction and solvents

Operating Costs

Laser:
  • High initial investment
  • Almost no consumables, low operating costs
  • Long service life
Inkjet:
  • Lower initial investment
  • Requires ongoing purchase of ink, solvents, and other consumables
  • Higher maintenance costs

Suitable Materials

Laser:
  • Metals, plastics, glass, ceramics
  • Some wooden materials
  • Requires certain surface conditions
Inkjet:
  • Paper, film, plastic, metal
  • Wider application range, especially suitable for porous materials

Environmental & Safety Considerations

Laser:
  • No chemical pollution
  • Need to pay attention to laser safety protection
Inkjet:
  • May produce VOC emissions
  • Requires handling of waste liquid and cleaning solvents

Selection Recommendations

  • For permanent, high-contrast marking: choose laser coding machine
  • For multi-color, flexible marking: choose inkjet coding machine
  • For food and pharmaceutical industries: prioritize laser coding machine
  • For packaging and printing industries: inkjet coding machine is more suitable

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