Does toner expire? I have unopened 2-year old laser printer toner cartridges to sell.?

I have stored these cartridges for a Tektronix printer I got rid of over a year ago. I don't want to go through the hassle of selling them if they expire or go bad in some way.Does toner expire? I have unopened 2-year old laser printer toner cartridges to sell.?
Toner has an expiration date. Check the package carefully, it should list the date somewhere. If it's not listed, you need to contact the manufacturer to find out. Some companies don't put the expiration date on the toner.Does toner expire? I have unopened 2-year old laser printer toner cartridges to sell.?
Yes it has a shelf life. There should be an expiration date on the package.

windows explorer