Tess

> The Canon driver expects sicgsfilter binary on your machine, but there is no such filter at least on Fedora. The sicgsfilter file is in the package Cque_Linux_Driver_4.09_64_EN.rpm, you can...

My laptop has no Wi-Fi. May my scanner have some problem... Anyway, I will try another scanner and the ipp-usb next week.

@Ordissimo There are another infor that I didn’t mention in the alexpevzner/sane-airscan#27. Hope it’s helpful. (1) My scanner is always connected to the network. (2) On debian 10, the deamon...

Yes, they are on the same machine. May my laotop have some problem...

@Ordissimo Thanks a lot, I got it. The scanner is in my office. I will retrieve the log tomorrow morning. I am really sorry for not giving feedback as quick...

@Ordissimo After adding "-d", the phenomenon on Ubuntu20.04 made me confused. But on Debian10, it's clear. My laptop has no network cable plugged-in. The scanner is connected to laptop via...

The issue has been fixed at pappl side, related issue: https://github.com/michaelrsweet/pappl/issues/328