These 350ml refillable cartridges are the cheapest and easiest way to convert your Mutoh printer to the bulk ink, saving tons of money as a result. They are made for a direct refilling from a bottle, not to work as part of a bulk system with the bottles sitting on top.

• Insert a pre-charged smart cart into the connector at the back, with the gold contacts facing the cartridge.
• Plug the cartridge into your printer.
• Power up the printer and make sure the cartridges are all recognized.
• Pour the ink in via the funnel supplied, to fill the cartridge half way. It will work well when the ink level is between 1/4 and 3/4 of the cartridge. 
• Perform 2 or 3 strong cleaning cycles.
• The machine is ready to use.