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sudo sane-find-scanner 检测到 Viiscan vf3120 扫描仪，但 sudo scanimage -L 没有检测到

tag-icon • tag-icon 18.04 usb scanner
sudo sane-find-scanner 检测到 Viiscan vf3120 扫描仪，但 sudo scanimage -L 没有检测到

扫描器：威盛 VF3120，据说与 Linux 兼容。
我使用的是 LTS（Bionic）。

root# sudo sane-find-scanner | grep libus 
found USB scanner (vendor=0x3297 [ZSA], product=0x1969 [Moonlander Mark I]) at libusb:003:007
found USB scanner (vendor=0x2e5a, product=0xd012, chip=GL848+) at libusb:003:034

由于某种原因，它还检测到了我的键盘 Moonlander。
当我关闭扫描仪时，第二行就消失了，这是我唯一能感觉到它实际上是扫描仪的提示。

不过，它也发生了一些变化，但我猜这对于 USB 来说很正常。

found USB scanner (vendor=0x2e5a, product=0xd012, chip=GL848+) at libusb:003:042

这是 lsusb 中的一行，仅在扫描仪打开时出现。

root# lsusb
Bus 003 Device 036: ID 2e5a:d012

然而，使用 scanimage 却没有什么运气。

root# scanimage -L

No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).

root# scanimage --version
scanimage (sane-backends) 1.0.27; backend version 1.0.27

尝试更新，但没有什么变化。

root# add-apt-repository ppa:sane-project/sane-release
[..update upgrade]
root# scanimage --version
scanimage (sane-backends) 1.0.32; backend version 1.0.27

尝试手动将设备添加到配置中。

root# grep d012 /etc/sane.d/*conf
/etc/sane.d/snapscan.conf:usb 0x2e5a 0xd012

没有帮助。

root# SANE_DEBUG_SNAPSCAN=128 scanimage -L
[sanei_debug] Setting debug level of snapscan to 128.
[snapscan] sane_snapscan_init
[snapscan] sane_snapscan_init: Snapscan backend version 1.4.53
[snapscan] add_usb_device(libusb:003:042)
[snapscan] add_usb_device: Detected (kind of) an USB device
[snapscan] snapscani_usb_open(libusb:003:042)
[snapscan] add_usb_device: Checking if 0x2e5a is a supported USB vendor ID
[snapscan] add_usb_device: USB vendor ID 0x2e5a is currently NOT supported by the snapscan backend.
[snapscan] snapscani_usb_close(1)
[snapscan] 1st read 0 write 0
[snapscan] 2nd read 0 write 0
[snapscan] sane_snapscan_get_devices (0x7ffe17e81320, 0)

No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).
[snapscan] sane_snapscan_exit

答案1

我有相同的扫描仪，如果我xsane以 root 身份启动，它工作得很好。一旦您的用户加入组scanner并且您已将配置文件添加到/etc/udev，一切都将正常工作。

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