3 ms·
Your printer has been doing this for decades. There's an invisible-to-human dot matrix pattern that encodes things like model, serial number and i don't remembe
by kmacdough 1mo ago
Your printer has been doing this for decades. There's an invisible-to-human dot matrix pattern that encodes things like model, serial number and i don't remember what else.
- bigodbiel 28d agoiirc only color printer/xerox