• ES21B Compact 1-Inch Water-Based Ink Cartridge Specification Sheet
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ES21B Compact 1-Inch Water-Based Ink Cartridge Specification Sheet

  • ES21B
  • 25.4mm
  • Depends on printer setting
  • Yes
The ES21B is a compact 1-inch water-based ink cartridge, designed for porous and semi-porous surfaces. It has a smaller design than standard 1-inch cartridges while retaining full ink capacity and print output.Made for BENTSAI E71S and E71XS handheld Inkjet Stamp printers, it allows the device to work with both half-inch and 1-inch cartridges for full compatibility.


  • Suitable for handheld inkjet stamp printers with long decap time .

  • Deep, solid black print with sharp clarity, high density and long durability.

  • Ideal for semi-porous materials such as high-density cartons, corrugated paper and kraft paper.



SUBSTRATES COVERAGE


PaperKraft PaperCorrugated BoardHD CartonClay Coat


PRODUCT SPECIFICATION


Part NumberES21B                                     Cartridge Type : TIJ ink cartridge with the security chip
Ink TypeAqueous-based Ink                    ● Black                           Colorant Type : Pigment
Resolution300x300 dpi
Max Print Swath25.4mm
Nozzle Count300
Ink Throw Distance2-5mm
Firing Voltage11.8V
 Please conduct test before use, the suitable parameter may be different depending on the printer.
Firing Pulse Width2.9µs
Max. Firing Frequency12kHv
Ink Fill level42ml
Average Delivered Ink36 ml (Vertical)                             31 ml (Horizontal)
Ink Dry Time

4-6 sec ( Using a 300×300 dpi horizontal line as an example, with corrugated board as the test material, the actual drying time varies depending on the substrate).

De-Cap Time

2 hours and above under normal condition and environment

★ The actual toleration depends on the surrounding temperature and humidity.

Operation Conditions

15°C – 35°C;35% – 80% RH

Shipping/Storage Conditions5°C – 40°C ; 20% – 80% RH
Printhead CleaningWipe lightly with lint-free dry cloth
Shelf Life12 months from ink filled date

ATTENTION:

• This ink contains alcohol solvents. It is recommended to use it in a well-ventilated room.

• Please clean the printhead before installing the ink cartridge. 

Use a lint-free dry cloth or ethanol-moistened (> 98% IPA) cloth to clean the ink cartridge and printhead. Do not use a general and water-containing wet cloth, as it may cause nozzle clogging or damage.

 Do not shake the clipped cartridge vigorously.

• Printing performance may vary based on conditions and environment, please conduct a printing test carefully before use. 

• Dye used in this ink has some water resistance. However, it is not recommended to use this ink for printing on substrates that will be immersed in water.

• All data here is based on Bentsai laboratory data, not guaranteed.


MAINTANCE AND HANDLING:

 Use a lint-free cloth wipe the printhead nozzle in a single direction from top to bottom.

• Hold the cartridge printhead face down, gently press the printhead on a lint-free cloth to let the ink flow outand then carefully and lightly wipe across the printhead along the edge.


SHIPPING AND STORAGE:

• The cartridge should be stored in vacuum sealed pouch until used.

 Use the cartridge within two weeks of removing it from vacuum sealed pouch for best performance.

• Store the cartridge with a clip placed over the printhead. Horizontal position is recommend.

• Refer to Safety Data Sheet for more information.

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