It is vital that every customer has access to clear information about the product they are consuming. From tracking & tracing to expiry dates, batch numbers, scannable QR codes & more, selecting the proper ink for your project ensures a consistent, clear print every time. 

The RNJet team is dedicated to bringing you specially formulated, top-shelf ink that adheres to almost any surface, and more importantly, stays there permanently. 

Here are some commonly asked questions regarding this important issue:

What types of inks are available?

  • This depends on the technology. For TIJ we offer different types of solvent-based, water-based, and USDA-Approved, food-grade ink. For piezo we have oil and solvent-based ink. Click here to learn more.

What ink colors are available?

  • Solvent based inks are available in black, pigmented white, pigmented yellow, blue, orange, and red. Oil based inks are available black, green, red, and blue. Water-based ink for TIJ is available in black, blue, red etc. Food-grade ink is available in dark pink, blue and green.

What is the difference between oil and solvent-based inks?

  • Oil-based inks are odorless and offer the advantage of being more resistant to water and lighter than water-based inks. Solvent-based inks are used as the carrier for the colorants, and the solvent evaporates during printing. The advantage of these inks is that they adhere to a wider range of materials.

How many prints can you get from an ink cartridge?

  • Using a 2 mm font print height, about 15 million characters can be printed using a single cartridge. Our uniquely designed controller also features a built-in calculator so you can get an estimate of ink usage for each of your prints.

Can we buy ink from other suppliers?

  • To ensure optimal performance of your RN Mark printer, we do not recommend purchasing ink from other suppliers as their inks might not be compatible with our machines.

Can we switch from solvent to oil-based ink?

  • Unfortunately, this switch cannot be made because of incompatibility with the print engine. 

Can we print at temperatures below freezing?

  • This is possible, but oil gets thicker under zero degrees Celsius, which results in diminishment of print quality.

Which ink type is best suited to my needs?

The following factors need to be considered when determining the correct ink for your use:

  • What kind of substrate will you be printing on – is the material porous (cardboard, paper, non-finished wood), or non-porous (glass, metal, plastic)?
  • What types of environment will the product be exposed to during its lifecycle? (Temperature range, humidity, presence of chemicals, etc.)
  • How important is the ink’s drying time – does your application require a fast dry ink?
  • What types of adhesion characteristics does the print require – strong adhesion, durability, or waterproof?

Questions? Our knowledgeable team will be happy to help.


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