scanimage не видит сканер, который сам же показывает через scanimage -L
Пишу scanimage -L, получаю сканер:
$ scanimage -L
dev_inquiry: Model name = Pantum BM5100ADN series (libusb:003:003)
printer_info: (BM5100ADN series,172.16.5.142)
dev_inquiry: Model name = Pantum BM5100ADN series (tcp 172.16.5.142 9200)
device `pantum6500:tcp 172.16.5.142 9200' is a Pantum BM5100ADN series (tcp 172.16.5.142 9200)
$ scanimage --help -d "pantum6500:tcp 172.16.5.142 9200"
<...>
scanimage: open of device pantum6500:tcp 172.16.5.142 9200 failed: Invalid argument
<...>