We take a look at printer security, an oft-neglected aspect of locking down an organization’s network. Printers also operate online across multiple aspects of your network. Many models offer various levels of physical security to accommodate your requirements. Some manufacturers offer up secure pull printing, where the documents wont be released from the printer queue without the correct recipient presenting a PIN, or an ID card, or even a QR code. A poorly-implemented office layout could cause issues by essentially giving dozens of employees physical access to sensitive documents.”]
Source: https://blog.malwarebytes.com/101/2018/10/removing-jam-printer-security/