It is up to you if you prefer to have a permanent box in your section and then ring when full, or if you want to keep empty toners and ring when you need a box, this is up to you and your office.
Efallai y byddwch hefyd yn dewis storio'ch bagiau du llawn mewn bin sbwriel neu whilfin, yna rhowch eich bagiau du yn eich man casglu cyn 6am ar eich diwrnod casglu.