By dipping it into ink, of course! In truth, there are many methods of filling engravable fountain pens, but you have to know what kind of custom pen you have in order to know how to fill it.
Many people prefer the convenience of an ink cartridge while others enjoy the ritual of filling their engraved pens from the glass bottles of richly colored ink.
Some engravable pens use a disposable ink cartridge. Those pens may also be equipped with a "converter", a small cartridge-like container which uses a piston to draw ink up inside it. Kind of like a small syringe: ink is drawn up into the converter when the knob at the end is turned.
INK CARTRIDGE REPLACEMENT
Cartridges should only be replaced when the ink supply has been depleted. It is best to clean the fountain pen when changing cartridges of different colors to avoid blending the inks.
Unscrew the barrel of the fountain pen and remove the empty cartridge. Insert the narrower end of the cartridge into the back of the section block with enough pressure to create a snug fit. The pin inside the section block will puncture the seal of the cartridge, allowing ink to flow into the section block. Screw the barrel on over the cartridge into the section block. Hold a cleaning cloth over the nib and shake the ink down through the nib into the cloth to start the ink flow.
BOTTLED INK USE (CONVERTER)
Unscrew the barrel of the engraved fountain pen - dip the nib of the fountain pen into the bottled ink so that the nib is submerged up to the section block. Twist the black knob end to draw ink up into the converter. Remove the nib from the bottled ink and twist the black knob end a little to force out a couple of drops of ink back into the bottle. Twist the knob end again in the opposite direction to draw a little air into the converter. Screw the barrel on over the converter into the section block. Use a cleaning cloth to wipe any excess ink off the nib.
ALSO ...........
Some personalized pens are "piston fillers". In these pens, the body of the pen is used just like a "converter". These pens usually have a knob at the end of the barrel which, when turned, either pushes the piston toward the nib or away from the nib. Of course, pushing the piston toward the nib will force ink out, and toward the end of the barrel will suck ink in.
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