True, but it degrades as well.
It is a powder.... I have never seen degraded toner, and I have a old cartridge here that is 8 years old in a old Epson Action laser II that still works fine.
What colour laser do you have?
OKI 3500n, it's great so far, I really like it.... except it is really huge and heavy. It is a office machine, you need a dedicated cart for it.
