use generic “Driver Updater” software. They will break your setup.
Use the Seagull Scientific driver (standard for POS thermal printers) or the CH340 generic driver .
If you have followed the driver fix guide and the printer still doesn't work, the issue is hardware. The POS9200L has a known flaw: the USB-B port solder joint breaks.
is frequently manufactured by Zjiang, you can find the ZJ-9200 driver which is often interchangeable for Windows, macOS, and Linux.
A: This means you are using a 64-bit driver on a 32-bit system (or vice versa). Download the "POS9200L 32bit" version if you are on old hardware.
