The unit comprises of a large reservoir of ink (100mls of each colour) that sit outside your printer. Attached to the reservoir is a set of silicone tubes which feed into special cartridges which you use instead of your current cartridges. The printer works exactly the same way but now you have 100mls of each colour rather
than 10mls (which is the contents of the average cartridge).
Even better, when you get low on ink, just pull out the plug on the reservoir and pour in some refill ink.
Best of all you are saving up to 88% compared to the cost of cartridges.
Obviously, the more you print the more you will be saving.
Consider it this way, the HP940XL black cartridge contains 59.5mls, the Cyan 20.5mls, magenta 19mls and the yellow 19.5mls. HP 940XL cartridges retail for $64.91 for the black and $42.90 for the colour cartridges. (prices correct as of Jan 2014 via officeworks online*)
Rihac CISS is prefilled with 400ml of Rihac ink and is equivalant to approximately 17 HP 940XL cartridges which would cost you about $764 to purchase seperately.
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