When will my order ship? Order by 3PM PST for Same Day Shipping from Southern California ​What is included in my order? (1) 1000ml Jetbest EJ Eco-Solvent Ink Bag with chip in the color of your choice (Cyan, Magenta, Yellow, Black, or Cleaning Solution) Compatible Printers Roland EJ-640 ​What are the benefits of using our ink system? Fast drying​ time, comparable to OEM​ Lower ink cost​s by 40%​ Uses the same ICC Color Profile ​No need to flush the OEM Ink. See instructions below Print with OEM UV Ink​ at the same time Works well with OEM Ink​ - mix and match compatibility High printing speed and quality ​How to use this product?​ Perform a nozzle check and date it to compare before/after ink switch.  Remove the Roland ink cartridge from the printer.​ Insert Jetbest ink into printer. Perform 3 strong cleans​.​ Ready to print! Where is this product made? ​Jetbest has been made in Taiwan since 2004.