Toner Scam! (usually they block their number, but these guys didn't!)

The scam is pretty easy, they calls, ask for your copier model, and then send you toner that you didn't order at a wildly inflated price.

Typically, asking them to state their company name causes them to disconnect, in my experience.

You can read more about this scam (and others) here
https://www.ftc.gov/tips-advice/business-cent ... scams#directory