My fountain pen is having ink flow problems, what can I do? We recommend cleaning the fountain pen regularly (ideally every one to two months) under running, clear, lukewarm water. Particularly if the ink has dried up through lack of use, when changing the ink colour or if the ink flow has reduced.
The pen was used for quite some time and was running out of gas. So I decided to give this technique a try: opened the top part (shown separately on the image below - please do not be lazy and get pliers - I used my teeth and it's not the smartest move - the cap is hard!), added a few drops of alcohol and - VIOLA! The pen has more life! YPcB1R.