#printers
Printers Tracking Dots

Copies or printouts of documents with confidential personal information, for example health care information, account statements, tax declaration or balance sheets, can be traced to the owner of the printer and the inception date of the documents can be revealed.
Machine Identification Code
https://en.wikipedia.org/wiki/Machine_Identification_Code
Can people track what you print?

“Yes, most companies have their printers configured through a print server that keeps track of the user and the documents they print,” reads an article from Workplace Round Table. “Even smaller companies have ways to investigate your printer activity without an IT department.”Apr 6, 2023