How to Replace PenGem Ink Cartridge
- Hold the barrel of the pen tightly, and twist counterclockwise, as if you are closing the pen. Keep twisting! Sometimes it helps to wrap a rubber band around the tip to get a good grip.
- Find the ink cartridge holder. It's usually white or black. To unscrew, twist it counterclockwise.
- Remove the old ink cartridge from the screw cap (it's usually a snug fit, so you might try that rubber band again).
- Use the same screw cap, and insert the new cartridge into it, pressing the cap on tightly. Now screw the new refill in, and replace the barrel.
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Photos and directions courtesy of PenGems.