"But where are the scanners?". When a store doesn't understand how multifunctional printer/scanners work...
$Customer: Yes that's exactly the model we ordered
$Me: ... ok (confused), but sir that model is a multifunctional device, meaning the scanner is part of the printer. $Customer: Well, we opened the box and sure enough we found the printers, but the scanner doesn't seem to be in the box. I see...(obviously feels stupid) we opened literally every box here trying to find the scanners, but this explains it. tl;dr - Customer orders multifunctional printer/scanner, doesn't realize the scanner is part of it. $Customer: I see sort of a glass plate