A tried and true scam is to give away a gadget and charge for its consumables. One that comes to mind immediately is razor blades. And to add insult to injury, the messages from the printers are either incomplete or inconsistent or both.
We recently purchased two Samsung color computer printers from Fry’s in Palo Alto, CA. The first one (call it #1) was motivated by (1) the high price of toner for our aging printer, and (2) a super-low price advertised by Fry’s. The second one (call it #2) was motivated by the limited space available for it. Strangely, when one or more colors of toner in printer #1 got low, it warned on the PC #1 “Toner Low”, but it didn’t tell WHICH color or colors were low. But on printer #2 it DID tell which color was low on PC #2. Interestingly, we found that yellow runs out first. And we weren’t the only ones who noticed this.