ink refill

Hello, I have a 5year old Canon Pixma E510. I use this printer just for home prints occasionally (10ish pages weekly). My current ink cartridge has around 20% ink left and since this is a old model there are no OEM replacement cartridges available anymore. I am used to refill the colour...

Hi I have started reading up on refilling ink cartridges etc. The internet is full of tutorials on how to refill ink cartridges, but not much about what ink to use in which printer. I get the thing about pigment ink and dye ink, but it seems like even within this scope there are differences...