1MRM - 1MINUTE REFILLING MACHINE REFILL A LARGE VARIETY OF 1 COLOR / MONO INKJET PRINTER CARTRIDGES - ORIGINAL OR COMPATIBLE - WITHIN 1 TO 3 MINUTES. HAVE A LOOK AT OUR GALLERY BELOW the cartridge gets dipped into the ink… just so that the ink exit hole is covered so the chamber is also the ink container… it even works with this type of cartridge… it just needs a clip, then put it up side down… within seconds the vacuum pressure fills the cartridge… between 10 and 30ml… 2 cartridges dipped 1/3 into the ink… vacuumizing…. allowing air back in…. let the ink drip off and wipe… cartridge is fully filled more than the Original… Refill Canon PG-545/445 PG-540/440 PG-510 and other Printhead cartridges - short version Below the long Version incl. Cartridge reset (printing under 'Ink out ' condition) and incl. Unblocking the 'head' Refilling HP 912 in a jar vacuum chamber - but for the XL cartridge its too small. For other HP or Canon ink tanks it works the same