BENTSAI EB21B Water Soluble Black Ink Cartridge with 1 Inch Print Head to Use B30/B35/B80/B85 Handheld Printer Print on Porous Surfaces, 1 Pack

Ink Compatibility: Bentsai original EB21B black ink cartridge is built with self-developed encrypted chip and can only be used on Bentsai B30, B35, B80, B85 handheld inkjet printer.
Cost-effective with Extensive Output: Featured with a 1 inch (25.4mm) print head, this ink cartridge contains 42mL high capacity to print up to 2,000,000 characters at the print height 2.5mm.
Print on Porous Surfaces Only: Bentsai EB21B ink is water based and can only be applied on porous materials such as carton, textile, wood, paper, fiberboard, etc.
Maintenance Tips: To maintain optimal performance, remove the cartridge from the printer when not in use and cover the ink nozzle with the protective cap. If clogging occurs, gently wipe the nozzle with an alcohol wipe.
Temperature Tips: BENTSAI handheld printer ink works reliably in the range of 68 to 86 degrees Fahrenheit. The humidity should be between 10% and 80%.