るプリントシステム。1. A Mass storage class US printer. A printing program characterized by possessing a B (Common Serial Bus) interface to connect a mass storage class gadget and to immediately print out an image file for the printer. 【請求項２】 前記プリンタとマスストレージクラスの Stack Trade network includes 183 Q&A communities which include Stack Overflow, http://kwster.com/board/308301