Can you suggest a reliable resource that accepts large quantities of outdated printer/toner cartridges?

I have a fair number (~250) of outdated but BRAND NEW printer/toner cartridges. They are overstock from years past and I'd like to resell them if possible. Worst case, I'll recycle/trash them. Thanks.Can you suggest a reliable resource that accepts large quantities of outdated printer/toner cartridges?
I have sold thousands of dollars of outdated cartridges to a company called trading connection in Chatsworth California. I have dealt with them many times in the last 4 years and they have never given me problems. Tel Tony that Felipe from Tijuana, Mexico recommended him. Tel: (818)773-5551. email: tony@tradingconnectionusa.comCan you suggest a reliable resource that accepts large quantities of outdated printer/toner cartridges?
Maybe Staples or Kinko's