If the printer has not been used for a long time, the cartridge nozzles can become clogged with dry ink. If your printer prints fuzzy or is missing a few lines, the cartridge is probably dirty. To clean them up, I followed these steps!
Steps to follow
Remove the cover that covers the printer. Find the cartridges in the printhead. Unlock the latches that hold them and gently pull them out.
We take a swab soaked in isopropyl alcohol and thoroughly clean each nozzle. Then we blow the area lightly with compressed air to remove the remains of impurities. We put the cartridges back in the head, secure them with their respective closures and put the lid that covers the printer back on. And done!
A video for a better understanding