Dealt with a printer recently. No visible paper jam. Turned out to have a back door basically that you had to open to find the one sheet of sucked up paper. 

 Sneaky sneaky 😏 https://image.nostr.build/77bd8401733c151668d174d372146a7b38ab3885cc2804674173e186d9f223a0.jpg  

  https://image.nostr.build/c8c636f2f63d1dcc51738eb587a999236436ab15609661cfaee26110e6538375.jpg