Kyocera Ecosys M3550idn scans only a lenght of 21 cm when using the ADF

[berny-1]

I have a Kyocera Ecosys M3550idn which I connect to via WSD. When using the flatbed the scanner scans paper in the Din A4 format just fine. When using the ADF however, only the first 21 cm of the page are scanned and gscan2pdf shows the error-message "gscan2pdf: sane_start: Error during device I/O" The result is of course that part of the page is missing then. When using the ADF in RADF-mode this is true as well.

perl-Kyocera-ECOSYS-M3550idn.log
perl-Kyocera-ECOSYS-M3550idn.tar.txt I manually added the file extention .txt because github would not accept a .tar file.

My airscan/trace directory also contained a file named perl-zeroconf.log Is this of interest as well?

Thanks a lot for this cool software!