Many printers and imaging devices are left relatively unprotected, despite a stream of documents that are transmitted to them electronically. Sensitive documents may be left unattended in output trays where they can be exposed to unauthorized individuals. Security procedures can range from implementing technology solutions such as authentication and access controls to prevent unauthorized use and configuration, to periodically ensuring the device memory is wiped clean. Technology research firm IDC found that a significant number of companies did not consider printer security important to their business processes, according to a report by Notebook Review.”]
Source: https://www.csoonline.com/article/3229669/did-you-forget-your-printer-probably-didn-t.html