unscrew the body from the grip section, remove and dispose of any spent cartridges

hold the grip section firmly with one hand, then grab a new ink cartridge

insert the cartridge into the feed and push firmly until you feel a click, indicating the cartridge is connected

screw the body onto the grip section. test the pen by writing a few lines, the ink will flow after a few strokes

unscrew the body from the grip section, ready the ink converter included with the fountain pen

submerge the nib into the ink bottle. make sure the entire nib is covered to avoid drawing in air

twist the converter counterclockwise to remove any excess air, then twist clockwise to draw ink until full

screw the body onto the grip section. use a paper tissue to wipe off any excess ink from the nib and feed