我的意思是在 Ubuntu 20.04 下安装扫描仪 Epson 3170 Photo。我在底部张贴了在检查我的 PC 是否找到扫描仪之前我采取的（通常）安装步骤。
然后，sane-find-scanner找到了扫描仪
$ sudo 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.
found USB scanner (vendor=0x06cb, product=0x009a) at …