Model, vendor, serial number and toner information is only retrieved for network printers scanned through IP Range Scanning, printers with their own Lansweeper webpages.
That is a start....that shows what the printer name is....but not what type.
For example Lexmark uses a Universal drivers for installing the printers....so it shows up as Lexmark universal....when it is really a Lexmark Optra t632. This lets me order the ink and keep inventory as needed...