To replace Canon printer ink cartridges, first, turn on your printer and open the front cover. Gently press the tab on the old ink cartridge to release it and pull it out. Unbox the new ink cartridge and remove any protective tape or plastic. Insert the new cartridge into the correct slot, making sure it clicks into place. Close the printer cover and follow any on-screen prompts for a... https://medium.com/@aryannraj65/how-to-refill-a-canon-printer-cartridge-canon-printer-ink-f2ac821ef6cc