For customers interested in recycling and using only original OEM inks. We are offering our customers $10.00 for each 440ml used empty cartridges and $4.00 for each 220ml cartridges. Only applicable on Roland and Mimaki cartridges. The $10 or $4 is credited on the next purchase of the same original OEM cartridge. Credit is 1 for 1. Credit is conditional that the cartridge is in good condition.