Continuous Ink Delivery System [CIDS] with 6 x 2 channels for use with printers which have 12 cartridge slots (configured as 4 colors x 2 cartridges each + extra channels for flushing solution or repeat of colors , or 6 colors x 2 cartridges each). Includes 6 ink main reservoirs feeding into 2 permanent cartridge reservoirs each. Cartridge reservoirs feature automatic maximum ink level cut-off, and automatic refill from the main reservoirs.