USB class 0x07 — Printer
Class code 0x07 marks a device or interface as Printer. Operating systems read this value from the descriptor and bind a generic class driver, which is why most printer hardware works without a vendor driver even when the VID:PID pair is unrecognised.
How it appears on your system
$ lsusb -v
bInterfaceClass 7 PrinterWindows exposes the same value in the compatible IDs list as USB\Class_07, extended with &SubClass_xx&Prot_xx for the subclass and protocol below.
Subclass and protocol codes
| Subclass | Protocol | Meaning |
|---|---|---|
| 01 | — | Printer |
| 01 | 00 | Reserved/Undefined |
| 01 | 01 | Unidirectional |
| 01 | 02 | Bidirectional |
| 01 | 03 | IEEE 1284.4 compatible bidirectional |
| 01 | ff | Vendor Specific |
Looking up a specific device instead? Search by VID:PID or browse the vendor directory.