To check the printer dev:

ls /dev/usb

Example

posprinter -p /dev/usb/lpt5

Example of posprinter.conf

cups=false
path=/dev/usb/lpt5

Name		Name	Last commit message	Last commit date
Latest commit History 7 Commits
vendor		vendor
.gitignore		.gitignore
README.md		README.md
build.sh		build.sh
decode_test.go		decode_test.go
go.mod		go.mod
go.sum		go.sum
ini.go		ini.go
ini_test.go		ini_test.go
main_linux.go		main_linux.go
main_windows.go		main_windows.go
posprinter.conf		posprinter.conf
printer.go		printer.go

Provide feedback