The color printer of the lab, LaserJet 2605dn, uses the next toners:
Q6000A- Black
Q6001A- Cyan
Q6002A- Yellow
Q6003A- Magenta

When the printer ask for a replacement of one of them, please do it!!!!
1- Open the toner cardboard box, and throw it to the recycling box
2- Open the toner plastic box
3- Pull the orange ring
4- Replace the toner

What to do with the replace toner. You have to take it to “Conserjer√≠a”. The small room in front of the main entrance.