我的 AIO 打印机/扫描仪是 Canon E400，但我作为普通用户找不到我的扫描仪，只能使用 sudo & scan 也可以使用 sudo
~ cincinmasukmangkok@orangepizero
< sane-find-scanner <<<
# sane-find-scanner will now attempt to detect your scanner. If the
# result is different from what you expected, first make sure your
# scanner is powered up and properly connected to your computer.
# No SCSI scanners found. If you expected something different, make sure that
# you have loaded a kernel SCSI driver for your SCSI adapter.
could not open USB device 0x1d6b/0x0001 …