A single Gladwell of anecdata: I've got a thermal printer which talks Bluetooth - works flawlessly when sending data from my Macbook; outputs garbage when sendi

A single Gladwell of anecdata: I've got a thermal printer which talks Bluetooth - works flawlessly when sending data from my Macbook; outputs garbage when sending the exact same data from a Raspberry Pi 3+ (which is definitely Linux on hardware designed for Linux.)