This is a compatible ES3BK (SPC-0440Bk) eco-solvent wide format black inkjet cartridge designed for use in Mimaki printers. It features a brand new chip that allows for tracking of your printer ink levels, ensuring you are always aware of your ink status. Manufactured to meet the same specifications and performance standards as the original Mimaki cartridges, this ink cartridge provides reliable output. Backed by our 100% Quality Satisfaction Guarantee.